System and method for powering electronic component using auxiliary coil of electric motor

Abstract

A system including a multi-phase motor is provided. The multiphase motor includes: a rotor including a motor shaft indicating a rotation axis; a stator concentrically arranged around the rotor, the stator including a stator core and a plurality of stator slots radially arranged in an inner cylindrical stator surface of the stator core; a plurality of primary coils formed by a first conductive winding, where the plurality of primary coils are located within the plurality of stator slots; an insulating member disposed between the plurality of primary coils and the plurality of auxiliary coils, and configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils; a plurality of auxiliary coils formed by a second conductive winding and coupled to the stator; and one or more accessory devices electrically connected to the plurality of auxiliary coils.

Description

Technical Field

[0001] The present disclosure relates to electric machines, and more particularly, to systems and methods for powering electronic components using auxiliary coils of an electric machine. Background Art

[0002] An electric motor is a device that converts electrical power into a motive mechanical force output as a torque associated with a rotating motor shaft. Electric motors operate according to different operating principles and can use different types of electrical energy. An example is an AC motor that receives alternating current from a suitable power source. The alternating current is conducted through a plurality of conductive windings or coils arranged circumferentially around the stator of the motor. The conduction of the alternating current in the coils produces a magnetic field or flux that can electromagnetically interact with a rotor that is rotatably arranged in and concentrically surrounded by the stator. The periodic or fluctuating nature of the alternating current causes the magnetic field generated by the stator windings to rotate concentrically around the stator, and the rotor will tend to follow this rotation.

[0003] In particular, electric motors convert high-voltage electrical energy from the grid into mechanical energy, either directly online (DOL) to the grid or through a variable frequency drive (VFD). Motors can be equipped with ancillary devices such as automatic oilers, electric heaters, automation equipment, and status indicators. With the increase in digitalization, more diagnostic sensors are added to motors to monitor operating conditions. Typically, these sensors and ancillary devices require lower voltages to operate, and secondary external power supplies or batteries can be used to provide the required power. External power supplies are expensive and can be cumbersome to install and maintain. The power stored in the battery is consumed faster than the life of the motor. Due to the limitations of the built-in battery, digital capabilities and wireless communications are also limited. Therefore, there is still a need for technology to support sensors and ancillary devices during the life of the motor. Summary of the invention

[0004] A first aspect of the present disclosure provides a system including a multi-phase electric motor. The electric motor includes a rotor including a motor shaft indicating a rotation axis; a stator arranged concentrically around the rotor, the stator including a stator core and a plurality of stator slots, the plurality of stator slots being radially arranged in an inner cylindrical stator surface of the stator core; a plurality of primary coils formed by a first conductive winding, wherein the plurality of primary coils are located within the plurality of stator slots; an insulating member arranged between the plurality of primary coils and the plurality of auxiliary coils and configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils; a plurality of auxiliary coils formed by a second conductive winding and coupled to the stator; and one or more auxiliary devices electrically connected to the plurality of auxiliary coils, wherein the plurality of primary coils generate a magnetic field based on receiving power from an external power source, wherein the plurality of auxiliary coils collect energy from the plurality of primary coils and provide the collected energy to the one or more auxiliary devices, and wherein the collected energy includes an induced current or voltage caused by the magnetic field generated by the plurality of primary coils.

[0005] According to an embodiment of the first aspect, the multi-phase electric motor further comprises an air gap arranged between the rotor and the stator, and wherein the plurality of auxiliary coils are arranged within the air gap of the multi-phase electric motor.

[0006] According to an embodiment of the first aspect, a first stator slot of the plurality of stator slots comprises: a first subset of primary coils among the plurality of primary coils; and an insulating component, wherein the insulating component is a slot liner and is configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils within the air gap and as an insulating barrier between the rotor and the stator.

[0007] According to an embodiment of the first aspect, the multi-phase motor further comprises: a printed circuit board (PCB) comprising a plurality of auxiliary coils, wherein the PCB is coupled to one side of the air gap.

[0008] According to an embodiment of the first aspect, the plurality of auxiliary coils comprises a plurality of turns, and wherein the average area for each of the plurality of turns follows the following inequality: N*A>0.02, wherein N is the number of turns and A is the average area in square meters for each of the plurality of turns.

[0009] According to an embodiment of the first aspect, the one or more auxiliary devices include one or more sensors and a rectifier, wherein the one or more sensors are powered solely by harvested energy from the plurality of auxiliary coils.

[0010] According to an embodiment of the first aspect, the system further includes: a controller configured to receive sensor information from one or more sensors; and display information associated with the sensor information.

[0011] According to an embodiment of the first aspect, the multi-phase motor further comprises: a terminal box, wherein the terminal box comprises: a plurality of first leads configured to provide multi-phase power to a plurality of primary coils; and a user-accessible power port configured to receive collected energy from a plurality of auxiliary coils, wherein the system further comprises: an external accessory device electrically connected to the user-accessible power port, wherein the external accessory device is powered solely using the collected energy from the plurality of auxiliary coils.

[0012] According to an embodiment of the first aspect, the multi-phase motor further comprises: a terminal box comprising a plurality of first leads configured to provide multi-phase power to a plurality of primary coils; and an auxiliary terminal box comprising a user-accessible power port, the user-accessible power port being configured to receive collected energy from the plurality of auxiliary coils, wherein the system further comprises: an external accessory device electrically connected to the user-accessible power port, wherein the external accessory device is powered solely using the collected energy from the plurality of auxiliary coils.

[0013] According to an embodiment of the first aspect, the user accessible power port is a Universal Serial Bus (USB).

[0014] According to an embodiment of the first aspect, the USB is configured to provide five volts (V) direct current (DC) to an external accessory device or an internal accessory device within a multi-phase electric motor.

[0015] According to an embodiment of the first aspect, the user-accessible power port is configured to provide alternating current (AC) power to the external accessory device.

[0016] According to an embodiment of the first aspect, a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; and an insulating component, wherein the insulating component is a slot wedge comprising a plurality of auxiliary coils.

[0017] According to an embodiment of the first aspect, a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; and an insulating component, wherein the insulating component is a slot liner comprising a plurality of auxiliary coils.

[0018] According to an embodiment of the first aspect, a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; and an insulating component, wherein the insulating component is a printed circuit board (PCB) comprising a plurality of auxiliary coils.

[0019] According to an embodiment of the first aspect, a first stator slot among the plurality of stator slots includes: a first subset of primary coils among the plurality of primary coils; an insulating component arranged between the plurality of primary coils and the plurality of auxiliary coils; and a second insulating component arranged between the rotor and the stator and configured as an insulating barrier between the rotor and the stator.

[0020] According to an embodiment of the first aspect, the multi-phase electric motor further comprises one or more batteries and / or one or more supercapacitors.

[0021] According to an embodiment of the first aspect, the multi-phase electric motor further comprises an internal compartment accommodating one or more auxiliary devices and one or more batteries and / or one or more supercapacitors.

[0022] According to an embodiment of the first aspect, the plurality of auxiliary coils are configured to charge and / or recharge one or more batteries and / or one or more supercapacitors.

[0023] A second aspect of the present disclosure provides a multi-phase electric motor, comprising: a rotor including a motor shaft indicating a rotation axis; a stator arranged concentrically around the rotor, the stator including a stator core and a plurality of stator slots, the plurality of stator slots being radially arranged in an inner cylindrical stator surface of the stator core; a plurality of primary coils formed by a first conductive winding, wherein the plurality of primary coils are located within the plurality of stator slots; an insulating component arranged between the plurality of primary coils and the plurality of auxiliary coils, and configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils; a plurality of auxiliary coils formed by a second conductive winding and connected to the stator; and one or more auxiliary devices electrically connected to the plurality of auxiliary coils, wherein the plurality of primary coils generate a magnetic field based on receiving power from an external power source, wherein the plurality of auxiliary coils collect energy from the plurality of primary coils and provide the collected energy to one or more auxiliary devices, and wherein the collected energy includes an induced current or voltage caused by the magnetic field generated by the plurality of primary coils. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The following will describe the embodiments of the present disclosure in more detail based on the exemplary drawings. The present disclosure is not limited to the exemplary embodiments. In the embodiments of the present disclosure, all features described and / or shown herein can be used alone or in combination in different combinations. The features and advantages of various embodiments of the present disclosure will become apparent by reading the following detailed description with reference to the drawings illustrating the following:

[0025] Figure 1 is a perspective view of an electric motor with the rotating shaft indicated and configured for AC operation.

[0026] Figure 2 is a schematic diagram depicting a block diagram of an environment for powering motor accessories using an auxiliary winding of a motor according to the present disclosure.

[0027] Figure 3 is a schematic diagram depicting an exemplary environment for powering motor accessories using an auxiliary winding according to the present disclosure.

[0028] Figure 4A is a schematic cross-sectional view of an electric motor having multiple auxiliary windings and multiple stator slots for accommodating multiple primary coils according to the present disclosure.

[0029] Figure 4B yes Figure 4A A detailed view of a portion of an electric motor, showing the primary and auxiliary coils of the motor.

[0030] FIG. 5A to FIG. 5C is a schematic cross-sectional view of an electric motor having a plurality of auxiliary coils, a plurality of primary coils, and one or more insulating components according to the present disclosure.

[0031] Fig. 6Ais a schematic diagram depicting stator slots and poles of an electric motor with partial auxiliary windings and full-length auxiliary windings according to the present disclosure.

[0032] Figure 6B is a schematic diagram depicting an exemplary printed circuit board (PCB) air gap coil according to the present disclosure.

[0033] Figure 6C is a captured image of an electric motor with an exemplary printed circuit board (PCB) air gap coil according to the present disclosure.

[0034] Figure 7 is a captured image of an electric motor having primary and auxiliary windings according to the present disclosure.

[0035] Figure 8 is another captured image of an electric motor having primary and auxiliary windings according to the present disclosure.

[0036] Fig. 9 An exemplary process for powering motor accessories using an auxiliary winding of a motor according to the present disclosure is depicted. DETAILED DESCRIPTION

[0037] As will be explained in further detail below, the present application integrates one or more auxiliary windings within a motor to power one or more accessory devices (e.g., sensors, rectifiers, and / or external accessories electrically connected to the rectifiers or other circuit elements). For example, the auxiliary windings, rectifiers, sensors (e.g., sensor electronic packages), and / or user-accessible power ports can be directly integrated into a motor (e.g., an electronic motor). In some cases, the power port can be located on a motor terminal box or an auxiliary box. In this way, the auxiliary winding can be configured as a power source to power an accessory device (e.g., to power diagnostic functions and / or other types of accessory devices). Therefore, in some cases, the motor may not include a separate power supply or battery to power these accessory devices.

[0038] In operation, the stator of the motor can be configured to couple the primary winding / coil voltage to the auxiliary winding / coil voltage similar to a transformer by using the magnetic flux of the stator. Based on the auxiliary winding (e.g., auxiliary coil) having the same pitch as the primary winding (e.g., primary coil), the induced energy (e.g., induced current or voltage) can be determined as the ratio of the number of turns of the primary winding to the number of turns of the secondary or auxiliary winding. Therefore, in order to collect power for auxiliary devices, the auxiliary winding can generate a sinusoidal alternating current (AC) voltage, which can be connected to one or more auxiliary devices, such as a standard rectifier and / or one or more sensors. In some cases, the coupling of the primary and auxiliary windings can be configured as an initial filter to smooth the square wave input from the inverter. In addition, and / or alternatively, the auxiliary winding can be configured to provide (e.g., generate or produce) single-phase power, three-phase power, and / or other phase power to limit the required rectified direct current (DC) capacitance. In some cases, the auxiliary winding can be configured to provide 1 to 10 watts (W) of power regardless of the size of the motor, which can be used to power external customer devices. This will be described in further detail below.

[0039] According to the present disclosure, exemplary aspects of using the auxiliary winding of the motor to power the accessory device are further clarified with the exemplary embodiments shown in the figures. The exemplary embodiments illustrate some implementations of the present disclosure and are not intended to limit the scope of the present disclosure.

[0040] Throughout the drawings, the same reference numerals denote similar, but not necessarily identical, elements. The figures are not necessarily drawn to scale, and the dimensions of some components may be exaggerated to more clearly illustrate the examples shown. In addition, the drawings provide examples and / or implementations consistent with the description; however, the description is not limited to the examples and / or implementations provided in the drawings.

[0041] Whenever possible, any term expressed in the singular in this Agreement shall also include the plural form, and vice versa, unless expressly stated otherwise. In addition, the terms "a" and / or "an" used herein shall mean "one or more", even if the phrase "one or more" is also used herein. In addition, when this Agreement refers to something being "based on" something else, it may also be based on one or more of the other things. In other words, "based on" means "based at least in part on" or "based at least in part on", unless expressly stated otherwise.

[0042] Figure 1 is a perspective view of an electric motor with its axis of rotation indicated and configured for synchronous operation with alternating current. For example, Figure 1An example of a rotating electric machine is shown, specifically an electric motor 100 for converting electrical energy into mechanical force in the form of torque that can be transmitted by a rotating motor shaft 102. The motor shaft 102 protrudes from a front end of a motor housing 104 that surrounds and houses the internal operating components of the motor 100. The motor housing 104 can be made of any suitable structural material, such as cast iron, steel, aluminum, or other suitable materials, and the housing can be configured according to common or standardized frame dimensions that determine the location and arrangement of mounting features, such as mounting feet 106 and / or eye hooks 108. In addition, the motor housing 104 can be specified according to any of several housing types, such as open drip-proof (ODP) or fully enclosed fan-cooled (TEFC), which determines how the motor 100 is constructed to interact with the operating environment to provide cooling and protect internal components from contaminants such as moisture and dust. For reference, the motor shaft 102 is supported for rotation relative to and defines a rotation axis 110 of the motor 100.

[0043] In order to receive current from an external power source, the motor 100 may include a conduit box or terminal box 112 located at an appropriate position on the motor housing 104, from which a plurality of power leads 114, such as insulated wires, extend. The power leads 114 can be electrically connected to an external power source and complete a circuit, and the external power source provides electricity with appropriate electrical characteristics and performance for the operation of the motor 100. For example, the motor 100 can be configured to operate on a multi-phase AC power source. In a multi-phase power supply system, the plurality of power leads 114 can each deliver AC power of the same frequency and voltage to the motor, but the AC power delivered in each power lead can be different from the AC power delivered in the other power leads. Accordingly, the cyclic oscillation between 0° and 360° of the AC current in each power lead 114 can be delayed or advanced relative to the cyclic oscillation in the other power leads. As an example, a three-phase motor 100 may include three power leads 114 that conduct alternating current that are 120° out of phase with each other, and a fourth neutral or ground lead 115 that may be connected to an electrical ground, such as the motor frame, and serve as a reference.

[0044] In some cases, the three-phase motor 100 may include additional power leads, such as power leads for connecting and / or powering one or more external accessories (e.g., a user-accessible power port). For example, the motor 100 may include primary and auxiliary windings (e.g., coils). The primary coil may act as a transformer and may be powered by the power lead 114. The primary coil may be coupled to the auxiliary winding such that when powered by the power lead 114, the primary winding causes an induced voltage to be applied to the auxiliary winding. Thus, the auxiliary winding may be electrically connected to an accessory device such as a user-accessible power port (e.g., an additional power lead within a terminal box 112 configured to power a user device) and / or a sensor device.

[0045] In operation, the motor 100 includes a rotor and a stator to drive the rotation of the motor shaft 102. The rotor is generally cylindrical, assembled around an extension of the shaft 102 located within the housing 104, and configured to electromagnetically interact with the annular stator in which the rotor is arranged. The cylindrical rotor and the annular stator are concentrically aligned with the rotation axis 110 of the motor 100 defined by the motor shaft 102.

[0046] The annular stator may be fixed around the rotor and may be spaced apart and isolated by an annular air gap (4A and 4B below). The stator includes a stator core, which may be made of a magnetically permeable material such as iron or steel. The stator core may be made of a plurality of annular core sheets, which are axially arranged in a stack and extend coaxially along the rotating shaft 110. The stator core may be fixed to and enclosed in the motor housing 104, which may include fins, a water cooling jacket, etc. to facilitate cooling.

[0047] In order to accommodate the conductive windings (e.g., primary windings or coils) that conduct current to generate an electromagnetic field, the stator core may include a plurality of stator teeth that are radially arranged in a circumferential direction around the rotating axis 110 and circumferentially separated from each other by stator slots that are radially arranged in the inner cylindrical surface of the stator core. Thus, stator slots are arranged between every two adjacent stator teeth so that the teeth and slots are circumferentially alternating around the inner cylindrical surface of the stator core. The alternating stator teeth and stator slots may extend axially along the axial length of the stator core relative to the rotating axis 110.

[0048] The conductive winding (e.g., primary winding or coil) can be an elongated wire of copper or other conductive material that is wound or looped around a stator tooth and housed in a stator slot. The conductive winding can be wound around a stator tooth or multiple stator teeth several times in succession, each time being referred to as a "turn". The total number of turns of the conductive winding around the same stator tooth or stator teeth forms a "coil". For example, a coil can consist of three, four, or five turns of the conductive winding. The wire of the conductive winding can then be directed in a continuous manner around additional stator teeth that are concentrically spaced from the initial coil until the conductive winding encloses the inner circumference of the stator core. The path and geometry of the conductive winding around the stator core can be referred to as a "winding pattern", which can take a variety of arrangements and can determine the electrical characteristics and operating principles of the motor 100.

[0049] For example, the winding pattern can specify or allocate coils by phase and pole phase group 138. A phase can include coils of the same electrical phase electrically connected in series to a multi-phase power supply. For example, in a three-phase power system, in order for the motor 100 to receive three-phase power, the first phase conductor can be associated with the "A" phase current, the second phase conductor can be associated with the "B" phase current, and the third phase conductor can be associated with the "C" phase current. The phase conductors can be electrically connected to the power lead 114. A series of coils electrically connected to the first, second and third phase conductors, respectively, is called a phase. The number of coils contained in each phase depends on the number of stator teeth and stator slots. In the example of a large motor 100 of the present disclosure, the stator core can include 48 stator teeth separated by 48 stator slots, so that each phase includes 16 coils (48 coils ÷ 3 phases = 16 coils / phase).

[0050] The coils may also be associated with a plurality of pole phase groups, referred to herein as phase groups, each phase group providing a single electromagnetic pole of a single phase. A pair of phase groups associated with the north and south poles of the magnetic field may be located on diametrically opposite sides of the inner circumferential surface of the stator core. In the example of a three-phase four-pole motor 100 with 48 coils arranged around the stator, the motor 100 may include 12 phase groups 138 (48 coils ÷ (4 poles) = 12 phase groups), each phase group also including 4 coils.

[0051] In operation, when the first, second and third phase conductors are excited by the respective conductors with 120 degrees out-of-phase alternating current from the three-phase power system, the current flowing in the multiple phases generates a magnetic field of changing polarity that rotates circumferentially around the rotation axis 110. As the polarity of one phase connected to the first conductor begins to change, for example from north to south, due to the periodic reversal of the direction of the alternating current associated with phase "A", the polarity of the adjacent phase may become stronger because it is connected to the second or third phase conductor that is 120 degrees out of phase with the first conductor. The north pole and the second pole of the permanent magnets arranged in the rotor are magnetically attracted to the opposite polarity associated with the magnetic field generated by the multiple coils contained in each phase, and can follow this polarity as it moves from one phase to an adjacent phase. Thus, the rotor is caused to rotate about the rotation axis 110.

[0052] However, although aspects of the present disclosure may be described with respect to a multi-phase AC power system, aspects of the present disclosure will also be applicable to other types of power systems and motor configurations.

[0053] Figure 2 2 is a schematic diagram depicting a block diagram of an environment for powering motor accessories using an auxiliary winding of a motor according to the present disclosure. Environment 200 includes a control system 202, a motor 206, and an external accessory 218. Motor 206 includes a plurality of primary coils (e.g., primary windings) 208, a plurality of auxiliary coils 210 (e.g., auxiliary windings), and internal electronic circuitry 212. Motor 206 may include an internal compartment housing internal electronic circuitry 212 (e.g., sensor 214, rectifier 216, and / or battery / supercapacitor). Internal electronic circuitry 212 includes sensor 214 (e.g., diagnostic sensor) and rectifier 216.

[0054] The monitoring system 202 includes one or more controllers 204. The controller 204 is electrically connected to one or more components of the motor 206 and / or the external accessory device 218. The controller 204 is not limited to any specific hardware, and the configuration of the controller can be implemented by any type of programming (e.g., embedded Linux) or hardware design, or a combination of both. For example, the controller 204 can be formed by a single processor, such as a general-purpose processor with corresponding software that implements the control operation. On the other hand, the controller 204 can be implemented by dedicated hardware, such as an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), a digital signal processor (DSP), etc. In some cases, the controller 204 can be implemented as software (e.g., one or more instructions stored in a non-temporary computer-readable medium), rather than a hardware element.

[0055] In some examples, monitoring system 202 can be in a cloud environment (e.g., a cloud computing platform). Additionally, and / or alternatively, monitoring system 202 can be an industrial automation, industrial communication system, and / or a local edge device. In some examples, monitoring system 202 can control motor 206 itself, for example, including a variable speed drive (VSD). For example, controller 204 can be a VSD. In some variations, monitoring system 202 can be a supervisory control and data collection (SCADA) system.

[0056] In some examples, the controller 204 can be in electrical communication with the motor 206 and provide instructions for operating the motor 206. For example, the controller 204 can be configured to start, stop, and control the speed (eg, revolutions per minute) of the motor 206.

[0057] In addition, the controller 204 can be in electrical communication with the sensor 214. For example, the controller 204 can receive sensor information (e.g., frequency, speed, input current, temperature, output torque, diagnostic information, and / or other types of information) from the sensor 214. In some variations, the controller 204 can be operably connected to one or more external auxiliary devices 218. For example, the external auxiliary devices 218 can be powered by the plurality of auxiliary coils 210 through the rectifier 216.

[0058] The motor 206 may be Figure 1 . For example, the motor 206 can be a three-phase motor. The motor 206 can include a rotor and a stator having a plurality of primary coils 208. Each primary coil 208 can be connected to a power lead 114, which is configured to provide AC power to the motor 206. Therefore, each primary coil 208 can be associated with one of the three phases of the motor 206. As described above, the primary coil 208 can be configured to generate a magnetic field based on power from an external power source through the power lead 114. The rotor of the motor can include a magnet that responds to the magnetic field generated by the primary coil 208, thereby rotating the motor shaft 102 attached to the rotor. The motor shaft 102 can be operably connected to a load, and the motor 206 can provide power to the load based on the rotation of the motor shaft 102.

[0059] In addition, the motor 206 includes a plurality of auxiliary coils 210. The current provided to the primary coil 208 may be transmitted as electrical energy to the auxiliary coil 210. For example, the primary coil 208 and the auxiliary coil 210 may act as a transformer configured to transfer energy between the primary coil 208 and the auxiliary coil 210. For example, the primary coil 208 may generate magnetic flux, which results in an induced voltage / current being generated in the auxiliary coil 210. The amount of the induced voltage / current in the auxiliary coil 210 may be based on a ratio of the number of turns in the primary coil 208 to the number of turns in the secondary or auxiliary coil 210.

[0060] In some cases, the auxiliary coil 210 can generate a sinusoidal AC voltage that can be connected to a standard rectifier (e.g., rectifier 216) for power harvesting. Coupling with the stator current can enable initial filtering to smooth the square wave input from the variable frequency drive. Additionally, and / or alternatively, the auxiliary coil 210 can be configured to generate single-phase, three-phase, and / or any other number of power phases.

[0061] In some examples, the auxiliary coil 210 is connected to, mounted on, and / or positioned on or within a stator (e.g., a stator of the motor 206). Figure 4A and Figure 4B As shown, the auxiliary coil 210 can be located in the air gap 406 and mounted on the stator core. In addition, and / or alternatively, the auxiliary coil 210 can be located in an insulating component of the stator (e.g., Figure 5A , 5B and 5C).

[0062] In some examples, the internal electronic circuit 212 may include one or more fail-safe components or elements configured to provide support to the motor 206 based on the auxiliary coil 210 being not grounded or shorted at its output side (e.g., its connection to the output of the sensor 214 and / or the rectifier 216). For example, the internal electronic circuit 212 may include one or more printed circuit board trace fuses, current limiting resistors, and / or other types of circuits for protecting the motor 206 and / or accessory devices.

[0063] In some variations, the auxiliary coil 210 can be configured to provide up to or more than 10 W of power regardless of motor size, and thus can be used to power external customer devices (e.g., external accessory devices 218). For external accessory devices 218, the motor 206 can include reinforced insulation for the primary coil 208, such as one or more insulating components (e.g., slot liners). For example, based on the auxiliary coil 210 contacting the stator of the motor 206, this provides a clear path to ground in the event of an insulation failure.

[0064] Additionally, and / or optionally, in consideration of user safety, the output of the auxiliary coil 210 and / or rectifier 216 may be connected to ground to limit the floating potential that the user may come into contact with, thereby keeping the potential within a safe range. However, the low impedance ground connection in the auxiliary coil 210 and / or components connected to the auxiliary coil 210 (e.g., sensor 214 and / or rectifier 216) may introduce additional ground currents, including high frequency currents in the presence of a VFD, which may cause the VFD or other ground protection in the distribution network to trip. Therefore, the internal electronic circuit 212 may include one or more common mode filters, or use additional high frequency isolation for the grounding scheme through the DC-DC stage to limit these ground currents.

[0065] In some examples, the voltage of the auxiliary coil 210 can be proportional to the derivative of the enclosed motor flux for diagnostic purposes. One or more sensors 214 can detect the voltage and / or other sensor measurements of the auxiliary coil 210 and provide the voltage / other sensor measurements to the controller 204. In addition, and / or alternatively, the voltage from the auxiliary coil 210 can be fed directly to the controller 204.

[0066] The external accessory device 218 can be in electrical communication with the motor 206 via the rectifier 216. In addition, the external accessory device 218 can be in electrical communication with the monitoring system 202 and / or the controller 204. The external accessory device 218 can be a user device. The external accessory device 218 can be any type of user device, such as, but not limited to, a condition monitoring sensor (e.g., a temperature and / or vibration sensor that provides a condition locally or remotely via a wireless link), a sensor on a machine connected to the motor 206 (e.g., a pump fluid flow, temperature and pressure, a fan air flow and / or a conveyor speed sensor), and / or a motor with an automatic oiler.

[0067] For example, the motor 206 may include one or more user-accessible power ports that the user can use to power the auxiliary coil 210. For example, the rectifier 216 may be configured to rectify energy (e.g., induced current) from the auxiliary coil 210 and provide the rectified energy to one or more user-accessible power ports. The external accessory device may be a user device connected to one or more user-accessible power ports. Thus, the auxiliary coil 210 can provide rectified energy to the external accessory device 216 via the rectifier 216.

[0068] The sensor 214 may be any type of sensor configured to detect sensor information and / or provide sensor information to the controller 204. The sensor 214 may be electrically connected to the auxiliary coil 210 such that the auxiliary coil 210 provides energy (e.g., induced current) to the sensor 214. The sensor 214 may be and / or include any type of sensor configured to detect sensor information associated with the motor 206 and / or the environment 200. For example, the sensor 214 may be configured to measure operating variables of the motor 206, such as air gap flux waveform, frequency, speed, input current, stator temperature, fault conditions, eccentricity, and output torque. Additionally, and / or alternatively, the sensor 214 may be configured to measure bearing performance, motor characteristic trends, and / or rotor eccentricity, and provide these measurements to the controller 204.

[0069] It should be understood that Figure 2 The exemplary environment 200 described in is only one example, and the principles discussed herein may also be applicable to other situations, for example, including other types of devices, systems and network configurations and / or excluding devices, systems and / or components in the environment 200. For example, the sensor 214 and / or the external accessory device 218 / rectifier 216 may be optional. For example, in some cases, the environment 200 does not include the rectifier 216 and / or the external accessory device 218. Instead, the environment 200 includes one or more sensors 214 powered by the auxiliary coil 210. The sensor 214 can provide sensor information to the controller 204. In other cases, the environment 200 includes the rectifier 216 and / or the external accessory device 218, but does not include the sensor 214. In addition, and / or optionally, the external accessory device 218 can be a device that communicates directly with the controller 204.

[0070] Figure 3 300 is a schematic diagram depicting an exemplary environment for powering motor accessories using auxiliary coils according to the present disclosure. For example, environment 300 shows motor 206 of environment 200. In addition, motor 206 includes a stator 304, which includes a plurality of primary coils 208 and a plurality of auxiliary coils 210. Environment 300 includes an external power source 302, and the plurality of primary coils 208 are electrically connected to the external power source 302 (e.g., via power leads 114). External power source 302 can be any type of power source configured to provide electrical energy (e.g., voltage, current, and / or power) to motor 206. In some cases, external power source 302 can be a three-phase power source configured to provide AC power to motor 206. Figure 3 Each of the three coils 208 shown may be a single phase of the three phases provided by the external power source 302 .

[0071] In addition, the primary coil 208 can transfer energy from the external power source 302 to the auxiliary coil 210. For example, as described above, the primary coil 208 can generate magnetic flux based on the current from the external power source 302. The generated magnetic flux can induce a current in the auxiliary coil 210. As shown, each of the two auxiliary coils 210 can provide energy (e.g., induced current) to the sensor assembly 214 and the rectifier 216, respectively. The sensor assembly 214 and the rectifier 216 are connected to the auxiliary coil output 306. The auxiliary coil output 306 can be and / or include a controller (e.g., the controller 204) and / or other types of devices (e.g., the external accessory device 218).

[0072] The sensor assembly 214 and the rectifier 216 are shown as being connected to separate auxiliary coils 210 for exemplary purposes only. In other cases, the sensor assembly 214 and the rectifier 216 may be connected to the same auxiliary coil 210.

[0073] The induced current / voltage of the auxiliary coil 210 can be determined as the ratio of the number of turns of the primary coil 208 to the number of turns of the auxiliary coil 210. Therefore, based on the desired power level of the connected accessory device (e.g., the sensor assembly 214 and / or the external accessory device 218), the number of turns in the primary coil 208 and the number of turns in the auxiliary coil 210 can be determined. In other words, the number of turns of the primary coil 208 and the number of turns of the auxiliary coil 210 within the motor 206 can be based on the desired power output of the installed sensor assembly 214 and / or the user-accessible power port.

[0074] Additionally, and / or alternatively, a subset of the auxiliary coils 210 (e.g., two or more auxiliary coils 210) can be configured to provide power (e.g., induced current) to the sensor assembly 214 and / or the rectifier 216. For example, each auxiliary coil 210 can be configured to provide a certain amount of power (e.g., 1 W) to the sensor assembly 214. The sensor assembly 214 can use an amount of power (e.g., 5 W) that is greater than the amount of power that a single auxiliary coil 210 can provide. Therefore, a subset of the auxiliary coils 210 (e.g., five auxiliary coils 210) can be configured to provide power to the sensor assembly 214.

[0075] Figure 4A is a schematic cross-sectional view of an electric motor having multiple auxiliary coils and multiple stator slots for accommodating multiple primary coils according to the present disclosure. In particular, the cross-sectional representation 400 of the electric motor may be Figure 1-3 4 is a cross-sectional representation of a portion of an electric motor. For example, as described above, a stator (e.g., stator 304) includes a plurality of stator slots 402 radially arranged around a stator core. A plurality of primary coils or windings 408 (e.g., Figure 2Primary coil 208 shown). Additionally, between each stator slot is a stator lamination 404. Laminations 404 are configured to reduce eddy currents by insulating the stator core. In some cases, laminations 404 may be silicon steel sheets. Additionally, cross-sectional view 400 shows an air gap 406. Air gap 406 is the air gap between the stator and the rotor and separates the rotor from the stator core. The motor shown in cross-sectional view 400 also includes a plurality of auxiliary coils configured to provide an induced current / voltage to an accessory device (e.g., sensor 214 and / or external accessory device 218). This is shown in window 410, which is shown in FIG. Figure 4B A more detailed description is given in .

[0076] Specifically, Figure 4B yes Figure 4A A part of the motor (for example, Figure 4A 410) and shows the primary and auxiliary coils of the motor. For example, Figure 4B The primary coil 408, the stator slots 402, and the laminations 404 between the stator slots 402 are shown. Figure 4B An air gap 406 and a plurality of auxiliary coils 414 and 416 arranged within the air gap 406 are shown. The plurality of auxiliary coils 414 may be configured to provide power to one or more auxiliary devices (e.g., the sensor 214). In addition, and / or alternatively, the plurality of auxiliary coils 416 may be configured to provide power to one or more additional auxiliary devices (such as the external auxiliary device 218) through the rectifier 216. Between the primary coil 408 and the auxiliary coils 414, 416 is an insulating member 412, such as a slot liner. The insulating member 412 (e.g., a slot liner) may be the main insulating member in the rotor and may be configured as an insulating barrier between the main coil and the rotor core. In addition, the insulating member 412 may be configured as an insulating barrier between the primary coil 408 and the auxiliary coils 414, 416.

[0077] Figure 4A and Figure 4B The configuration of the motor shown with the auxiliary coils 414, 416 and the primary coil 408 separated by the insulating member 412 is merely exemplary, and other configurations are contemplated. For example, in another embodiment, the auxiliary coils can be integrated into a printed circuit board (PCB) and arranged (e.g., attached to) the bottom of the air gap 406 (e.g., the side of the air gap located and / or mounted on the inner diameter of the stator). For example, referring to Figure 4A , the PCB with the integrated auxiliary coil may be located at (eg, coupled to) the bottom of the air gap 406, which is indicated by reference numeral 420. The PCB coil disposed at the bottom of the air gap is described below. Figure 6B In addition, FIG. 5A to FIG. 5C Additional and / or alternative configurations of auxiliary coils, primary coils, and insulating components are shown.

[0078] Specifically, FIG. 5A to FIG. 5C are schematic cross-sectional views 500, 520, 540 of electric motors having multiple auxiliary coils, multiple primary coils, and one or more insulating components according to the present disclosure. For example, Figure 5A An embodiment of an electric motor having a plurality of auxiliary coils, a plurality of primary coils, and an insulating component is shown. Figure 5A The illustrated electric machine includes stator slots 502. A plurality of primary coils 504 are included within the stator slots 502. In addition, an air gap 506 is shown. Between the air gap 506 and the primary coils 504 is an insulating member 508. A plurality of auxiliary coils 510 are contained within the insulating member 508. For example, the insulating member 508 may be a slot wedge integrated with a coil (e.g., the auxiliary coils 510). In addition, the auxiliary coils 510 may be divided into two subsets by the rectifier 216—one for the sensor 214 and the other for the external accessory device 218. The two subsets of the auxiliary coils 510 are represented by white boxes and dashed boxes.

[0079] Figure 5B Another embodiment of a motor having multiple auxiliary coils, multiple primary coils, and an insulating component is shown. Figure 5B The motor shown includes a stator slot 522. A plurality of primary coils 524 are included within the stator slot 522. In addition, an air gap 526 is shown. Between the air gap 526 and the primary coil 524 is an insulating member 528. A plurality of auxiliary coils 530 are contained within the insulating member 528. For example, the insulating member 528 may be a slot liner and / or a flexible printed circuit board (PCB). The slot liner and / or the PCB may be integrated with the coil (e.g., the auxiliary coil 530). In addition, the auxiliary coil 530 may be divided into two subsets by the rectifier 216—one for the sensor 214 and the other for the external accessory device 218. The two subsets of the auxiliary coils 530 are represented by white boxes and dashed boxes.

[0080] Figure 5C An embodiment of an electric motor having a plurality of auxiliary coils, a plurality of primary coils and two insulating components is shown. Figure 5C The motor shown includes a stator slot 542. A plurality of primary coils 544 are included within the stator slot 542. In addition, an air gap 546 is shown. Between the air gap 546 and the primary coil 544 is an insulating member 548. The insulating member 548 is configured as an insulating barrier between the primary coil 544 and the rotor core. A second insulating member 550 is also shown. A plurality of auxiliary coils 552 are included within the insulating member 550. The insulating members 548 and / or 550 may be slot liners and / or flexible PCBs. In addition, the insulating member 550 is integrated with the coil (e.g., the auxiliary coil 552). In other words, Figure 5CThe motor includes two independent insulation components—one for the auxiliary coil 552 and the other for insulation between the primary coil and the rotor core. In addition, the auxiliary coil 552 can be divided into two subsets by the rectifier 216—one for the sensor 214 and the other for the external auxiliary device 218. The two subsets of the auxiliary coil 552 are represented by the white box and the dashed box.

[0081] Fig. 6A 6 is a schematic diagram 600 depicting stator slots and poles of an electric motor with partial auxiliary windings and full-length auxiliary windings according to the present disclosure. For example, four stator poles 608 (e.g., stator teeth) are shown, along with three stator slots 602 between each pole 608. In addition, for two stator poles 608, auxiliary windings 604 and 606 (e.g., auxiliary coils) are shown wound together with the stator poles 608. Specifically, the auxiliary windings may run the full length to complete the loop (e.g., auxiliary winding 606), or may be traced to a partial length (e.g., auxiliary winding 604).

[0082] Figure 6B 650 is a schematic diagram depicting an exemplary printed circuit board (PCB) air gap coil according to the present disclosure. For example, as described above, the auxiliary coil can be integrated into the printed circuit board (PCB) as coil 652 and arranged (e.g., attached to) the bottom of the air gap (e.g., air gap 406). As shown, coil 652 is 0.15 millimeters (mm) thick, 16 centimeters (cm) wide, and 6 centimeters (cm) high. In addition, coil 652 can be a 12-turn patch coil having a resistance of 1.4 ohms, an inductance of 18 microhenries (μH) (in free space), an inductance of 250H (in the air gap), and a root mean square open circuit voltage of 8.8 volts (V) at 50 hertz (Hz). Coil 652 is only an example, and other air gap coils with different sizes and / or electrical characteristics can be used as auxiliary coils. In some cases, coil 652 may include multiple turns (N), and the average area (A) of a single turn in square meters follows the inequality equation N*A>0.02.

[0083] Figure 6C is a captured image of an electric motor with an exemplary printed circuit board (PCB) air gap coil according to the present disclosure. Specifically, Figure 6C A captured image 660 of a printed circuit board is shown with a coil 662. For example, the image 660 shows a shared collection and measurement winding (eg, an auxiliary coil) 662 on the printed circuit board.

[0084] Figure 7 is a captured image of a motor having a primary coil and an auxiliary coil according to the present disclosure. Specifically, Figure 7A captured image 700 with a primary coil and an auxiliary coil is shown. For example, the image 700 shows a shared collection and measurement winding (eg, auxiliary coil) 702 that is located in a stator slot as a magnetic wire with the primary coil.

[0085] Figure 8 is another captured image of a motor having a primary coil and an auxiliary coil according to the present disclosure. Specifically, Figure 8 A captured image 800 with a primary coil and an auxiliary coil is shown. For example, the image 800 shows a collection and measurement winding (eg, an auxiliary coil) 802 as a flexible PCB positioned above a slot wedge and against an air gap.

[0086] Fig. 9 An exemplary process for using an auxiliary coil of a motor to power an auxiliary device of the motor according to the present disclosure is depicted. Process 900 may be performed by Figure 2 The controller 204 is shown to perform. However, it will be appreciated that any of the following blocks may be performed in any suitable order, and process 900 may be performed by any suitable controller or processor in any suitable environment.

[0087] At block 902, the controller 204 receives sensor information from one or more sensors 214 of the motor 206. The motor 206 includes a plurality of primary coils 208, one or more insulating components (e.g., slot liners or slot wedges), and a plurality of auxiliary coils 210. The plurality of auxiliary coils 210 harvest energy from the plurality of primary coils 208 based on inductive energy (e.g., induced current or voltage) from a magnetic field generated by the plurality of primary coils. The auxiliary coils 210 are configured to power one or more sensors (and / or additional / alternative accessory devices, such as external accessory devices 218) using the inductive energy.

[0088] In other words, the multiple primary coils generate a magnetic field based on receiving power from an external power source. The multiple auxiliary coils collect energy from the multiple primary coils and provide the collected energy to one or more auxiliary devices. The collected energy is an induced current or voltage caused by the magnetic field generated by the multiple primary coils.

[0089] At block 904 , the controller 204 performs an action based on the sensor information (eg, display information associated with the sensor information).

[0090] In some cases, the primary coil 208 can generate a magnetic field based on power from an external power source. The auxiliary coil 210 can collect energy (e.g., induced current / voltage) based on the magnetic field generated by the primary coil 208. The auxiliary coil 210 can use the collected energy to power one or more auxiliary devices. For example, the auxiliary coil 210 can power one or more sensors 214 configured to measure operating variables of the motor.

[0091] In some examples, the sensor 214 can use energy harvested by the same auxiliary coil 208 or different auxiliary coils 208 (eg, a single auxiliary coil 208 can power the sensor or multiple auxiliary coils 208 can power the sensor).

[0092] In some variations, auxiliary coil 210 can collect energy for powering an accessory device, such as external accessory device 218. In some cases, external accessory device 218 can be connected to the motor through a dedicated power port or socket.

[0093] In some examples, the input voltage of the motor 206 can be a grid AC voltage and / or a pulse train generated by a variable frequency drive. In other words, the motor 206 can receive power from an external power source providing three-phase AC power (e.g., grid AC) and / or can receive power as a pulse train generated by a variable frequency drive.

[0094] In some variations, the auxiliary coil 210 can provide a single AC phase and / or any number of multi-phase currents to an accessory device (eg, a sensor 214 and / or an external accessory device 218 ).

[0095] In some cases, the auxiliary coil 210 can be located in a stator slot with a main coil (e.g., main coil 208), as part of or against an insulating component (e.g., a slot wedge or slot liner), in an additional separate dedicated slot or path anywhere in the stator laminations, between the slot wedge and the air gap, and / or in the air gap itself.

[0096] In some examples, auxiliary coil 210 can be implemented as a rigid or flexible printed circuit board.

[0097] In some cases, the auxiliary coil 210 may be integrated into the slot wedge or slot-type insulating liner.

[0098] In some variations, the auxiliary coil 210 may pass through the entire pole length to complete the loop, or may be traced back along a portion of the pole length.

[0099] In some examples, the auxiliary windings for generating power and the windings for sensing purposes can be configured in the same slots, or can be placed in separate slots. In other words, in one or more examples, the auxiliary coils 210 for powering the sensor 214 and the external accessory device 218 can be located in the same stator slot. In other examples, the auxiliary coils 210 for powering the sensor 214 and the external accessory device 218 can be located in separate stator slots (e.g., one slot for the sensor 214 and another slot for the external accessory device 218).

[0100] In some cases, the insulation around the auxiliary coil 210 may use enhanced insulation between the primary coil and / or stator laminations. For example, the auxiliary coil may have an insulating coating, but in some examples, the coating may not be sufficient. Therefore, in some cases, the auxiliary coil 210 may use and / or include enhanced insulation and / or additional insulation.

[0101] In some variations, the electronics for voltage level conversion for the sensor 214 and / or external accessory device 218 may be co-located on the same PCB as the auxiliary coil 210. For example, the PCB may include the auxiliary coil 210 and / or one or more converters configured to convert the induced voltage from the auxiliary coil 210 to another voltage level.

[0102] In some examples, the voltage conversion stage may include an appropriate grounding scheme (e.g., one or more common mode filters) to ensure user safety and / or include filters or isolation elements to limit interference with the VFD or other protection in the power distribution network due to the increased effects in the ground current from the grounding scheme employed by motor 206.

[0103] In some cases, the power provided by auxiliary coil 210 to external accessory device 218 can be Universal Serial Bus (USB) or other low voltage standard (e.g., 5 volts). In some examples, a USB-compatible port can provide power to external accessory device 218 and / or other devices within the motor itself (e.g., accessory devices within the motor).

[0104] In some variations, the auxiliary coil 210 may be installed in the motor 206 during manufacture, and the electronic components (eg, the sensor 214 and / or the rectifier 216) may be included later.

[0105] In some examples, output ports (eg, user-accessible power ports) can be located in a wired junction box (eg, junction box 112) and / or in a separate auxiliary box.

[0106] In some cases, additional sensor systems (eg, internal to motor 206 and / or external to motor 206 ) may be integrated with sensor 214 and / or controller 204 to monitor the stator and rotor of motor 206 for further diagnostic information.

[0107] Using the auxiliary coil 210 as an auxiliary power source can provide advantages such as, but not limited to, powering a sensor arrangement (e.g., sensor 214) within the motor 206 and / or providing power to an external customer application (e.g., external accessory device 218) through an auxiliary power port without the need for an additional power source. Additionally, and / or alternatively, for many motor applications, the installation cost of a low voltage power source can be prohibitive. Therefore, including the auxiliary coil 210 can be beneficial because a separate installation cost for a power supply is not required. Additionally, the auxiliary coil 210 can be inexpensive to manufacture and can be included in the motor 206 when the motor 206 is manufactured. Additionally, and / or alternatively, electronic components (e.g., internal electronic circuitry 212 including sensor 214 and rectifier 216) can be included at a later time. In some cases, because the power port (e.g., the power lead powered by the auxiliary coil 210) has a low voltage, the single power port can be adjusted so that it can be converted to any conventional or unconventional voltage using an appropriate adapter. In some examples, the power port may be in the range of multiple watts. In some variations, the power port may be configured to provide power during the life of the motor 206 and may not affect the performance of the motor 206.

[0108] In some cases, the motor 206 may include one or more batteries (e.g., backup batteries 0 and / or supercapacitors. For example, see Figure 2 , the internal electronic circuit 212 may include one or more batteries and / or supercapacitors, which may be powered using the auxiliary coil 210. For example, the auxiliary coil 210 may charge and / or recharge the battery / supercapacitor.

[0109] Although embodiments of the present invention have been shown and described in detail in the drawings and the foregoing description, such illustration and description should be regarded as illustrative or exemplary, and not restrictive. It should be understood that changes and modifications may be made by ordinary technicians within the scope of the following claims. Specifically, the present invention covers other embodiments having any combination of features of the different embodiments described above and below. For example, various embodiments of the motion, control, electrical, mounting, and user interface subsystems may be used interchangeably without departing from the scope of the present invention. In addition, the statements made herein describing the features of the present invention refer to embodiments of the present invention, and not necessarily all embodiments.

[0110] The terms used in the claims should be interpreted as having the broadest reasonable interpretation consistent with the preceding description. For example, the use of "a" or "the" when introducing an element should not be interpreted as excluding multiple elements. Similarly, the expression "or" should be interpreted as inclusive, so that the expression "A or B" does not exclude "A and B", unless it is clear from the context or the preceding description that only one of A and B is intended. In addition, the expression "at least one of A, B, and C" should be interpreted as one or more of a group of elements consisting of A, B, and C, and should not be interpreted as requiring at least one of each of the listed elements A, B, and C, regardless of whether A, B, and C are related as a category or otherwise. In addition, the expression "A, B and / or C" or "at least one of A, B, or C" should be interpreted as including any singular entity from the listed elements, such as A, from any subset of the listed elements, such as A and B, or the complete list of elements A, B, and C.

Claims

1. A system comprising: Multiphase electric motor, comprising: a rotor, including a motor shaft indicating the axis of rotation; a stator disposed concentrically around the rotor, the stator comprising a stator core and a plurality of stator slots radially arranged in an inner cylindrical stator surface of the stator core; a plurality of primary coils formed from the first conductive winding, wherein the plurality of primary coils are located within the plurality of stator slots; an insulating member disposed between the plurality of primary coils and the plurality of auxiliary coils and configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils; the plurality of auxiliary coils formed of a second conductive winding and coupled to the stator; and one or more auxiliary devices electrically connected to the plurality of auxiliary coils, The plurality of primary coils generate a magnetic field based on receiving power from an external power source, wherein the plurality of auxiliary coils collect energy from the plurality of primary coils and provide the collected energy to the one or more auxiliary devices, and wherein the collected energy includes an induced current or voltage caused by the magnetic field generated by the plurality of primary coils.

2. The system of claim 1, wherein the multiphase electric motor further comprises: An air gap is arranged between the rotor and the stator, and wherein the plurality of auxiliary coils are arranged within the air gap of the multi-phase motor.

3. The system of claim 2, wherein a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; as well as The insulating component, wherein the insulating component is a slot liner and is configured as the insulating barrier between the plurality of primary coils and the plurality of auxiliary coils within the air gap and as an insulating barrier between the rotor and the stator.

4. The system of claim 2, wherein the multiphase electric motor further comprises: A printed circuit board (PCB) includes the plurality of auxiliary coils, wherein the PCB is coupled to one side of the air gap.

5. The system of claim 4, wherein the plurality of auxiliary coils comprises a plurality of turns, and wherein the average area for each of the plurality of turns follows the following inequality: N*A>0.02, wherein N is the number of turns, and A is the average area in square meters for each of the plurality of turns.

6. The system of claim 1, wherein the one or more auxiliary devices include one or more sensors and a rectifier, wherein the one or more sensors are powered solely by the energy collected from the plurality of auxiliary coils.

7. The system according to claim 6, further comprising: The controller is configured as: receiving sensor information from the one or more sensors; and Information associated with the sensor information is displayed.

8. The system of claim 6, wherein the multiphase electric motor further comprises: A junction box, wherein the junction box comprises: a plurality of first leads configured to provide multi-phase power to the plurality of primary coils; and a user accessible power port configured to receive the harvested energy from the plurality of auxiliary coils, The system further comprises: An external accessory device is electrically connected to the user-accessible power port, wherein the external accessory device is powered using only the energy harvested from the plurality of auxiliary coils.

9. The system of claim 1, wherein the multi-phase electric motor further comprises: a junction box including a plurality of first leads configured to provide a multi-phase power supply to the plurality of primary coils; as well as an auxiliary terminal block comprising a user-accessible power port configured to receive the harvested energy from the plurality of auxiliary coils, wherein the system further comprises: An external accessory device is electrically connected to the user-accessible power port, wherein the external accessory device is powered using only the energy harvested from the plurality of auxiliary coils.

10. The system of claim 9, wherein the user accessible power port is a Universal Serial Bus (USB).

11. The system according to claim 10, wherein: The USB is configured to provide five volts (V) direct current (DC) to the external accessory device or an internal accessory device within the multi-phase motor.

12. The system of claim 9, wherein the user-accessible power port is configured to provide alternating current (AC) power to the external accessory device.

13. The system of claim 1 , wherein a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; as well as The insulating member, wherein the insulating member is a slot wedge including the plurality of auxiliary coils.

14. The system of claim 1 , wherein a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; as well as The insulating component, wherein the insulating component is a slot liner including the plurality of auxiliary coils.

15. The system of claim 1 , wherein a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; as well as The insulating member, wherein the insulating member is a printed circuit board (PCB) including the plurality of auxiliary coils.

16. The system of claim 1, wherein a first stator slot of the plurality of stator slots comprises: a first subset of primary coils of the plurality of primary coils; The insulating member is arranged between the plurality of primary coils and the plurality of auxiliary coils; as well as A second insulating member is disposed between the rotor and the stator and is configured as an insulating barrier between the rotor and the stator.

17. The system of claim 1, wherein the multi-phase electric motor further comprises one or more batteries and / or one or more ultracapacitors.

18. The system of claim 17, wherein the multi-phase electric motor further comprises an internal compartment that houses the one or more accessory devices and the one or more batteries and / or the one or more ultracapacitors.

19. The system of claim 17, wherein the plurality of auxiliary coils are configured to charge and / or recharge the one or more batteries and / or the one or more ultracapacitors.

20. A multi-phase electric motor comprising: a rotor, including a motor shaft indicating the axis of rotation; a stator disposed concentrically around the rotor, the stator comprising a stator core and a plurality of stator slots radially arranged in an inner cylindrical stator surface of the stator core; a plurality of primary coils formed from the first conductive winding, wherein the plurality of primary coils are located within the plurality of stator slots; an insulating member disposed between the plurality of primary coils and the plurality of auxiliary coils and configured as an insulating barrier between the plurality of primary coils and the plurality of auxiliary coils; the plurality of auxiliary coils formed from a second conductive winding and coupled to the stator; as well as one or more auxiliary devices electrically connected to the plurality of auxiliary coils, The plurality of primary coils generate a magnetic field based on receiving power from an external power source, wherein the plurality of auxiliary coils collect energy from the plurality of primary coils and provide the collected energy to the one or more auxiliary devices, and wherein the collected energy includes an induced current or voltage caused by the magnetic field generated by the plurality of primary coils.

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