26615 results about "Circuit breaker" patented technology

A wireless power service panel source includes power and control circuitry that receives power from a wired power connection at a position in a service panel, and generates an electronic drive signal at a frequency, f, and a source magnetic resonator configured to generate an oscillating magnetic field in response to the electronic drive signal, wherein the source magnetic resonator is configured to wirelessly transmit power to sensors in other positions within the service panel.

A programmable power (PPSE) switching element including a front power transistor, a main switching transistor, and at least one reverse current blocking transistor in series, a gate of each of which is connected to a gate driver; an inductor and a shunt resistor connected in series with the transistors; a charge storage capacitor connected between ground and a junction located between the inductor and the shunt resistor; a high-speed NPN transistor, a collector of which is connected to the front power transistor and an emitter of which is connected to an output of the main switching transistor via the shunt resistor; a current measurement element in parallel to the shunt resistor; a voltage amplifier; and a high-speed MCU.

A method and system for monitoring and controlling a power distribution system is provided. The system includes a plurality of circuit breakers and a plurality of node electronic units. Each node electronic unit is mounted remotely from an associated circuit breaker that is electrically coupled with one of the node electronic units. The system also includes a first digital network, and a first central control unit. The first central control unit and the plurality of node electronic units are communicatively coupled to the first digital network. The method includes receiving digital signals from each node electronic unit at the central control unit, determining an operational state of the power distribution system from the digital signal, and transmitting digital signals to the plurality of node electronic units such that the circuit breakers are operable from the first central control unit.

A circuit tracer for use with circuit breakers equipped with sensors capable of sensing at least a change in the power consumption of the circuit and transmitting, preferably wirelessly, such information. The information is received directly or indirectly by a circuit tracer having a display, the display showing all the circuit breakers equipped with the sensors. Upon changing the load of an electricity outlet, such as a wall outlet, a light source, HVAC, pump, electrical machinery, etc., the sensor equipped circuit breaker provides an indication of such power or current consumption change to the circuit tracer. This allows the user of the circuit tracer to associate on the circuit tracer the circuit breaker with the specific electricity outlet. The association information may be saved on a central server or database for future use.

Communication is provided which includes receiving a transmitted radio signal at a powerline wherein the powerline functions as a receiving antenna for the wirelessly transmitted radio signal. The powerline is coupled to an input of a radio receiver using a coupler to communicate the radio signal to the radio receiver. For calibration purposes a second antenna not coupled to powerline may be used. A method for powerline communication across transformers, open circuit breakers, and other devices is also provided. In addition, a method of monitoring a device connected to a powerline is provided.

The invention relates to an installation of photovoltaic modules including a “control command” device, a set of photovoltaic modules, intended to transform the solar energy into electric current, having power terminals, each photovoltaic module including a breaker commanding the passage of a current across the power terminals, control means designed to control the breaker, communication means designed to allow communication between the control means of the breaker of the photovoltaic module and the “control command” device of the installation, where each photovoltaic module furthermore includes addressing means designed to identify in a unique manner a photovoltaic module and / or a group of photovoltaic modules and measurement means for measuring at least one operating parameter of the photovoltaic module.

Administering power supplies in a data center including, upon connection of a first power supply through a power line to a circuit breaker in the data center, querying, by a power supply communications device of the first power supply through the power line, a circuit breaker communications device of the circuit breaker for a circuit breaker identification; querying, by the power supply communications device of the first power supply, for a maximum current threshold for the circuit breaker; sending the circuit breaker identification and the maximum current threshold for the circuit breaker to a management module; and determining, by the management module in dependence upon the circuit breaker identification and the maximum current threshold for the circuit breaker, whether to power on a computing device powered by the first power supply including determining whether the circuit breaker is shared by another power supply.

A programmable system for monitoring electricity consumption by a residence or business, including:(a) a Measuring Transmitting Unit integrated in a main circuit breaker or utility meter in the residence or business; comprising: (1) a means of receiving AC analog signals, converting the AC analog signals to DC analog signals, summing the DC analog signals, and outputting the information; (2) a microcontroller; (3) a power line carrier transmission interface controller; and (4) a power supply for powering the Measuring Transmitting Unit; and(b) a programmable Receiving Display Unit, comprising: (1) a power supply for powering the Receiving Display Unit; (2) a power plug; (3) a power line carrier transmission interface controller; (4) a data decoder; (5) a microcontroller; (6) memory associated with the microcontroller; (7) a visual display; and (8) a mechanism for inputting to the Receiving Display Unit; andwherein the Measuring Transmitting Unit translates current to digitally encoded signals, and transmits the signals over existing power circuits in the residence or business; and the Receiving Display Unit receives the signals, decodes them, and translates them for viewing. A method for monitoring electricity consumption by a residence or business is also included.

An intelligent power distribution system including one or more intelligent power strips. The power strips can each include an elongated housing that may be adapted for mounting in an equipment rack. The housing can include a first end, a second end and plurality of power outlets mounted thereon. The first end can have a number of apertures that enable power and signal conductors to enter an interior region of the housing. The second end can include a first and a second communication port. The first communication port may be adapted to enable a computer to communicate with the power the strip. The second communication port may be adapted to enable the power the strip to be daisy chained with a second intelligent power strip. The power strip further includes power management circuitry that can power-on and power-off the power outlets in accordance with an operator defined sequence and delays. The power management circuitry can further sense electrical current drawn by the power strip and control operation of the power strip based on the sensed electrical current to minimize branch circuit breaker tripping.

A system and method is provided for detecting an island condition using active detection. The active detection involves biasing the voltage, frequency, current or phase of a distributed resource connected to a utility network. Biasing the distributed resource involves inducing a change of voltage, frequency, current or phases above or below the normal operating values. The impact of this biasing on the system operating parameters can then be measure to determine if an island condition exists. Once an island condition has been detected, the system can initiate an anti-islanding procedure to remove the distributed resource from the utility network such as opening a breaker connecting the distributed resource to the network. Additionally, the system and method can include a passive element for detecting frequency and voltage (or other parameters) shifts above certain points.

Methods and compositions are disclosed for controlled addition of components that decrease the viscosity of the viscoelastic surfactant fluids or for controlled changes in the electrolyte concentration or composition of the viscoelastic surfactant fluids. One aspect of the invention relates to the use of internal breakers with a delayed activation. Another aspect of the invention relates to the use of precursors that release a breaking system such as alcohol by a process such as melting, slow dissolution, reaction with a compound present in the fluid or added to the fluid during or after the step of injecting, rupture of an encapsulating coating and de-adsorption of a breaking agent absorbed into solid particles. In another aspect of the invention, alcohols are included in a pad to reduce the low-shear viscosity and reduce the resistance to flow of the treatment fluids during a desired phase of the treatment.

A direct current feeder protection system includes six conductors, four current sensors sensing four currents flowing in four of the conductors, four circuit interrupters interrupting currents flowing in the four conductors, and a processor cooperating with the current sensors to input four sensed currents, and to output a number of commands to the circuit interrupters. The processor includes a routine detecting a number of: a directional current fault of the sensed currents, a differential current fault of the sensed first and third currents or the sensed second and fourth currents, and a residual current fault of the sensed first and second currents or the sensed third and fourth currents, and to responsively output the commands. The first, fifth and third conductors are electrically connected in series with two of the circuit interrupters, and the second, sixth and fourth conductors are electrically connected in series with the other circuit interrupters.

A stored energy system is provided for delivering AC electrical power to a load. This system includes a single housing containing within a battery bank for storing DC power, and an inverter for receiving either DC power or AC power and converting DC power to AC power. The stored electrical system includes five circuit breakers mounted on the outside surface of the housing. Twist lock plugs are connected to each of the circuit breakers for removably connecting input power sources and output loads with the circuit breakers. A first circuit breaker is connected to a solar power source. A second circuit breaker is connected to a wind generator. A third circuit breaker is connected to a generator for generating AC power. A fourth circuit breaker is connected to a utility supplying AC power. A fifth circuit breaker is connected to the outside AC power load.

An intelligent power management system that includes a circuit breaker containing a PLC module that spans open contacts of the circuit breaker to provide a communication path for PLC messages between the line and load sides of the circuit when the contacts are open. The contacts are motorized to permit remote operation through PLC messaging. Coupled to the PLC module is a controller, which controls the opening and closing of the motorized contacts under user control or via an adaptive load management algorithm that reduces peak power consumption and adapts a set of loads to changed power supply conditions. The controller can also dynamically alter operational current and fault threshold levels on a real-time basis based upon circuit requirements or environmental conditions. The algorithm runs a state machine and also manages loads in a limited power source environment such as when loads are powered by a generator.

A backup power management system connectable to a primary power source and a secondary power source, and a method of operating the same. The system includes a transfer switch connectable to the primary and secondary power sources, and a plurality of circuit branches connected to the transfer switch. The circuit branches include first and second remotely operated branches having first and second managed circuit breakers, respectively. The system further includes a controller connected to the first and second managed circuit breakers. The controller controls the managed circuit breakers, thereby controlling the current through the first and second managed circuit branches.

Systems, methods and devices for integrating alternative energy sources and energy storage components into a single device with systems for control and safety monitoring to provide for use of the generated power on the premises, resale of power to the utility, and for power supply from storage and / or the alternative energy sources in the event of an interruption of supply from a utility's power grid. The device integrates the necessary components into a cabinet for use as a home appliance. The power storage and supply device cabinet contains essentially all necessary electrical components including charge controllers, inverters, relay circuitry, circuit breakers, and energy storage modules, such as batteries. A local controller device is disposed inside the cabinet and is configured to monitor and control the processes conducted by the power storage and supply device. The cabinet includes a ventilation system which uses an air intake located at the bottom of the cabinet for receiving air that is pulled into the lower section of the cabinet by fans located in the middle of the cabinet. The air is then circulated into the upper section of the cabinet where it is vented out through exhaust ports. Further, the cabinet of the power storage and supply device is compartmentalized by a separator panel that divides access to the compartments of the cabinet according to both levels associated with safety and a user's expertise.

A battery is inside an enclosure. A shim is inserted between the battery and at least one contact. The shim can be actuated externally without requiring the enclosure to be opened. The shim may be conductive on at least one face to provide a switch function, or may be non-conductive.

An intelligent power management system that includes a circuit breaker containing a PLC module that spans open contacts of the circuit breaker to provide a communication path for PLC messages between the line and load sides of the circuit when the contacts are open. The contacts are motorized to permit remote operation through PLC messaging. Coupled to the PLC module is a controller, which controls the opening and closing of the motorized contacts under user control or via an adaptive load management algorithm that reduces peak power consumption and adapts a set of loads to changed power supply conditions. The controller can also dynamically alter operational current and fault threshold levels on a real-time basis based upon circuit requirements or environmental conditions. The algorithm runs a state machine and also manages loads in a limited power source environment such as when loads are powered by a generator.

An arc fault detector system detects arcing faults in an electrical distribution system by monitoring one or more conductors and producing an input signal representing one or more electrical signal conditions in the circuit to be monitored. This input signal is processed to develop signals representing the electrical current flow through the monitored circuit and broadband noise signal components. The system analyzes these signals to determine whether an arcing fault is present, and if so, outputs a trip signal which may be used directly or indirectly to trip a circuit breaker or other circuit interruption device.

Lockout tagout assemblies, systems, and methods are disclosed. Exemplary lockout tagout assemblies include a base, an arm moveable with respect to the base, and a member extending at an angle from the arm. The member can engage with a circuit breaker in an off position to retain the circuit breaker in the off position.

The invention relates to a GIS device state intelligent monitoring system and method based on the edge computing technology. The system includes a state sensor terminal, a data node device and an intelligent monitoring center, wherein the state sensor terminal is used for gathering collected state data to the data node device to perform power IoT edge calculation and is connected with the intelligent monitoring center through the transmission network, the condition monitoring sensor terminal is used for acquiring related state parameters in real time and receiving and performing limited edge calculation tasks, the data node device is used for collecting the data and receiving and performing the edge calculation tasks, and the intelligent monitoring center is used for performing equipment IoT management, intelligent evaluation analysis and advanced application for a GIS device state and configuring an optimized edge calculation algorithm model and an SG-CIM data model to the data node device. The system is advantaged in that a circuit breaker GIS equipment Internet of Things system of a substation is constructed, and the automation, informationization and intelligence level of equipment state evaluation and diagnosis can be improved.

At a first time, an authorized directive is received by the utility provider to perform an operative action for shedding load of a power system by a minimum system load value on or before a second time. The utility provider may operate the SCADA / DCS system to assist in selecting a set of circuits wherein the total circuit load value of the selection is greater than or equal to the minimum system load value. In response to circuit selection, the SCADA / DCS system selects the corresponding set of circuit breakers and consults the circuit-subscriber notification database to select a set of subscribers corresponding to the selected set of circuits. A system, product, and / or device adapted for communicating data in response to circuit selection may then be accessed by the SCADA / DCS system to communicate to the selected set of subscribers an intention of performing the operative action on or before the second time. The utility provider may then program and / or operate the SCADA / DCS system to perform the operative action upon the selected set of circuit breakers on or before said second time.

Embodiments of a power provision system of the present invention generally include a transformer, a drive assembly, a motor control center, rectifiers, circuit breakers, and a cooling system, all of which are enclosed in a cabinet that is divided into a plurality of compartments that house various components and that is adapted and configured to be skid mounted on a trailer. In one embodiment, high voltage power is supplied to the power provision system, wherein it is stepped down to lower voltages by the transformer and the lower voltage power is utilized to drive a fracking pump motor via the drive assembly, as well as auxiliary equipment, such as the cooling system, via the motor control center. Embodiments of a method of using the power provision system are also provided.

Managing power consumption in a data center including reporting, by a circuit breaker communications device of one of the circuit breakers to the management module, a current power load of the circuit breaker, the report transmitted from the circuit breaker communications device through a power supply communications device of a power supply currently providing power to a particular computing device and through an out-of-band communications link to the management module, upon receiving the report of the current power load, determining, by the management module, whether the current power load of the circuit breaker is greater than a predetermined threshold; and if the current power load of the circuit breaker is greater than the predetermined threshold, reducing, by the management module, power consumption through the circuit breaker of the particular computing device.

A circuit breaker having internal power monitoring and data signal generating apparatus, and a system for utilizing such a circuit breaker in a facility having a plurality of tenants served by branch circuits from a plurality of distribution panels. The circuit breaker radiates signals indicative of power consumption of the branch circuit protected thereby, together with a unique address identifier tied to one tenant. Electrical billings are based on summing all signals for each tenant. Changes to branch circuits during tenancy will not disturb correct billings since individual circuit breakers are associated with that tenant using power supplied by each branch circuit. Hence changes to branch circuits may be limited to modify building space locations served by the modified branch circuit, and need not be further modified to maintain correct billing in light of the circuit changes.

The present invention involves methods and compositions for treating subterranean formations, and more specifically, relates to improved methods and compositions for degrading filter cake deposited in a subterranean formation by effecting a uniform distribution of a filter cake breaker. One embodiment of the present invention provides a weighted encapsulated breaker comprising a breaker material; and, a coating material comprising a polymer material and a filler material having a specific gravity of at least about 6.5.

A method of cleaning a wellbore prior to the production of oil or gas is disclosed, wherein the wellbore has been drilled with an invert emulsion drilling mud that forms an invert emulsion filter cake. The method may include the steps of circulating a breaker fluid into the wellbore, where the breaker fluid includes an aqueous fluid, and imino diacetic acid or salt thereof. Optionally an acid buffering agent, and a weighting age are also included. The breaker fluid is formulated such that after a predetermined period of time and the filter cake present in the wellbore or on the wellbore face is substantially degraded. Other methods may also include drilling the wellbore with a water-based drilling mud that forms a water-based filter cake, wherein the method may include the steps of circulating a breaker fluid into the wellbore, where the breaker fluid may include an aqueous fluid, and an iminodiacetic acid or a salt thereof.

A power load management system for regulating power demand from a distribution panel of a residence or building is disclosed. Load control switches placed in-line between circuit breakers of the distribution panel and the loads they control, such as a water heater, pump, AC unit etc., provide load feedback data to a load management CPU. The load management CPU monitors the load feedback data and other operational parameters for selectively switching load control switches to the open circuit state to ensure that the total load demanded does not exceed the demand limits imposed by the power source. The load management CPU includes adaptive algorithms to automatically prioritize loads based on user and utility applied weighting factors, and patterns of loading based on time and date.

A system and method consisting of networked modular sensors and a data processing / display system to detect, process, manage and present both real-time and historic electrical energy usage data (metrics, statistics, etc), additionally allowing the intelligent management of energy usage through consumer education as well as both manual and automated usage controls.Wherein sensors are integrated into the standardized form-factor components typical of household and commercial electrical interfaces, such as circuit breakers, wall outlets, light switches, plug ends, power strips, etc, additionally allowing integration with appliances or other load devices and being capable of processing data;Wherein sensors and the associated processing, display and management systems are capable of communicating with each other.

A motorized racking operator for racking a circuit breaker into and out of electrical switchgear is disclosed. The racking operator includes a motor, an On-Off control in signal communication with the motor, an anti-rotation bracket securely attached to the motor, and a latch. The motor has a drive shaft with an end configured to operably engage with a receiving end of a racking shaft. The latch serves to removably secure the motor and bracket to the circuit breaker such that the motor and bracket move in unison with the circuit breaker in response to the motor driving the racking shaft to rack the circuit breaker into and out of the switchgear. The anti-rotation surface of the bracket engages with a surface of the circuit breaker to prevent rotation of the motor in response to the motor applying a torque to the racking shaft.