38 results about "Induction regulator" patented technology

The invention discloses a partial discharge simulation experiment device of suspended metal particles in oil of a transformer, which belongs to the technical field of partial discharge online monitoring of oil immersed transformers. The partial discharge simulation experiment device mainly comprises an induction regulator, a non-corona test transformer, a non-partial discharge protective resistor, a standard capacity voltage divider, a partial discharge generation device, a noninductive detection resistor, an ultrahigh frequency antenna, a coaxial cable, a broadband high-speed large-capacity digital storage oscillometer and the like. The partial discharge simulation experiment device can simulate stable partial discharge signals generated by the suspended metal particles in flowing oil with different oil flowing speeds at different temperatures when the oil immersed transformer is in a working stage. Therefore, the partial discharge simulation experiment device can be widely applied to the simulation of partial discharge generated by the defect of the suspended metal particles in the oil immersed transformer in a laboratory and can provide reliable experimental data for teaching, scientific research institutions and schools and transformer manufacturers to monitor oil immersed transformers on line and analyze and apply partial discharge signals.

The invention discloses an apparatus for large-scale oil-immersed transformer no-load and on-load comprehensive tests and a method. The apparatus is composed of a test power source part and a measurement system. The test power source part includes an induction regulator, an intermediate transformer, an oil-immersed intensive compensation capacitor bank and a test control system which are successively connected via a circuit. The measurement system includes a precision measurement current transformer, a voltage transformer and a power analyzer. The apparatus can conduct on-site no-load and on-load loss measurement tests on 110-kV and 220-kV voltage class transformers, and can complete measurements of no-load current, no-load loss, no-load harmonic waves, short circuit impedance and load loss of transformers, and can automatically calculate the measurement test results of no-load and load loss.

The invention relates to a benchmark data measuring device for power cable fiber temperature measurement. The benchmark data measuring device comprises a circular heating system console, an electrical control cabinet, an induction regulator, a strong-current generator, a distributed fiber temperature measuring device, a computer and a cable to be detected. By means of a temperature measurement fiber spirally wound on a sheath of the cable to be detected, temperature data of the sheath loaded at different currents are acquired, accuracy is improved by matching, cable core temperature and sheath temperature at different current loads can be acquired through a thermocouple, and since temperature data measured by the thermocouple are good in stability and can be used as reference standards to correct results of the temperature measurement fiber, accurate contrast relation corresponding to the fiber core temperature and the load current is acquired when the temperature measurement fiber measures the sheath temperature actually, and internal operation state of the cable can be acquired by measuring the sheath temperature of the temperature measurement fiber.

A touch induction type speed regulator of cleaner is composed of an operation knob arranged on the casing of cleaner and consisting of an acceleration piece and a deceleration piece and a speed regulating circuit connected to said two pieces for regulating the speed of motor and consisting of input buffer, phase lock ring, state and phase angle memory, digital comparator, driver and SCR.

The invention discloses a frequency converter testing device which comprises a power grid, an induction voltage regulator, a power supply cabinet, a towing motor, a load cabinet, a remote operation cabinet and a PLC, wherein the power grid is used for providing testing energy for the frequency converter testing device, the induction voltage regulator is used for regulating the output voltage of the power grid, the power supply cabinet is used for switching of circuits matched with the voltage obtained after the regulation of the induction voltage regulator, the towing motor is used for acquiring the loading moment, the load cabinet serves as the load of the towing motor, the remote operation cabinet is used for powered-on and powered-off control of the frequency converter testing device and achieving the regulation of testing voltage, selection of power supply testing lines and on-off control of a test load by controlling the induction voltage regulator, the power supply cabinet and the load cabinet in an isolating mode, and the PLC is used for controlling the remote operation cabinet. According to the frequency converter testing device, the loading test process is easy to control, testing efficiency is improved, and the ex-factory quality of the frequency converter is improved.

The invention provides a chemical induction adjusting method for tobacco axillary bud growth and development. The method includes from a tobacco plant budding period to a blooming period, using a prepared axillary bud growth chemical induction regulator to continuously spray entire tobacco plants for three days (once a day), or clamping cotton balls or brush pens dipped with the prepared axillary bud growth chemical induction regulator at 1-10 leaf axil of the tobacco plants from top to bottom; when axillary bud lateral branches grow to be 10-20cm and 1-2 new leaves of the lateral branches are already unfolded, pruning original leaves on the tobacco plants in batches; when the axillary bud lateral branches grow to be 20-30cm and the lateral branches are about to be in the budding period, using a prepared lateral branch blooming chemical induction regulator to continuously spray the entire tobacco plants for three days (once a day). By the method, more axillary buds of paternal tobacco plants are enabled to develop to be lateral branches, and more flowers and pollen are provided for hybrid seed production, so that the objectives of reduction of paternal planting area, lowering of seed production cost and improving of production benefit of tobacco hybrids are achieved.

The invention provides a manifold block for improving the efficiency of an internal combustion engine. The manifold block is arranged to be located between an inlet manifold and a cylinder head of the engine, and comprises a block of material having at least one manifold channel there through. The manifold channel has an input end and an output end, wherein the input end is connected to the inlet manifold, and the output end is connected to the cylinder. The manifold channel includes at least one injector head channel located towards its input end and adapted to receive a fuel injector. The manifold block may also incorporate one or more induction regulators for improving the efficiency of fuel/air mixing in the manifold channels.

An induction regulator for controlling the voltage amplitude and/or phase angle of a polyphase electric transmission network connected between the primary side and the secondary side of the transmission network. The rotor is fixed in relation to the stator and the volume between stator and rotor includes a magnetic volume with a region including a controllable magnetic flux region of solid material that has a relative permeability that is controllable by changing its temperature.

The invention relates to a compound of formula I, and a preparation method and use thereof. The compound has a bacterial quorum-sensing regulatory effect, and can be used for prevention and/or treatment of a disease caused by a bacterial infection.

The invention relates to a metal base composite material electric hot-pressed preparation and its device, which adopts electric hot-pressed furnace that comprises circuit control system, induction regulator, air-immersed transformer, dynamic caking furnace and computer data acquisition system. Thermal sintering mould comprises housing of normal carbon steel, mould and insulating ceramic layer, and mould is made of iron or high-purity carbite and its inner wall is embed insulating ceramic layer. The process proceeds under the conditions of pressure of 50-60MPa, input voltage of 5-20V and clinkering time of 5-20 minutes. The invention can produce products by high sintering in short time making use of low voltage and heavy current, and can produce product with good strength for extension and hardness.

The invention discloses a super-efficient double voltage motor factory test circuit. The super-efficient double voltage motor factory test circuit comprises a factory test table, a three-phase induction regulator, a breaker and an alternating current contactor, and is characterized in that the three-phase induction regulator is connected with the factory test table and a breaker (QS) in series, a wire outlet end of the three-phase induction regulator is connected with a connecting terminal of a motor and a wire inlet end of an alternating current contactor (KM1), and a wire outlet end of the alternating current contactor (KM1) is connected with the connecting terminal of the motor and a wire inlet end of an alternating current contactor (KM4); a wire inlet end of an alternating current contactor (KM2) is connected with the connecting terminal of the motor, the connecting terminal of the motor is switched in a wire inlet end of an alternating current contactor (KM3) through the wire inlet end of the alternating current contactor (KM2), a wire outlet end of the alternating current contactor (KM2) is connected with the connecting terminal of the motor, and the connecting terminal of the motor is switched in a wire outlet end of the alternating current contactor (KM3). According to the circuit design method adopted by the super-efficient double voltage motor factory test circuit, three kinds of voltage conditions can be simultaneously detected, test device wiring times are reduced, and work efficiency is improved.

The invention discloses an air energy phase change material mass concrete temperature control system and a construction method thereof. The system comprises an intelligent temperature control induction regulator, a temperature control phase change material aqueous solution delivery pipeline, a phase change material dispenser, an air energy refrigeration device, a pressure pump and a filter unit. The temperature control phase change material aqueous solution delivery pipeline comprises a cooling system pipeline, a water conveying pipeline, a heat-dissipating pipe network disposed on the surfaceof mass concrete and at least one cooling pipeline pre-embedded inside the mass concrete. The design of the system is reasonable, the phase change material can be recycled, the cost is reduced, the hot melting of the circulating water is increased, and the temperature control efficiency of the circulating water temperature control system is enhanced. The cooling pipeline is buried to realize thetemperature monitoring of a single cooling pipeline. The air energy refrigeration device is additionally arranged according to the need of actual water treatment amount. The technology has universality and flexibility, and has high promotion and use value. The construction method provided by the invention has high quality of finished products.

A washing machine appliance and a regulator assembly therefor are generally provided. The regulator assembly may include inductive regulator may be positioned along a fluid supply conduit downstream from a water supply. The inductive regulator may include a regulator body, a rotor, a magnetic element, and an electrical stator. The regulator body may define an enclosed cavity extending between a regulator inlet and a regulator outlet. The rotor may be rotatably disposed within the regulator body. The magnetic element may be rotationally attached to the rotor. The electrical stator may be disposed outside of the enclosed cavity in selective magnetic communication with the magnetic element.

The invention provides a novel energy-saving induction voltage regulator, which comprises a power transmission device and a voltage regulator main body, wherein the power transmission device is the top part of the voltage regulator main body and comprises a speed reducer and a motor; a rotating shaft is arranged at the lower part of the speed reducer; the rotating shaft drives a rotor shaft to move; the voltage regulator main body comprises a shell, rotor windings and stator windings; and the rotor windings and the stator windings are arranged in the shell. Cooling components are arranged on the shell and can timely send out the heat in the voltage regulator, so that a moderate temperature in the voltage regulator is ensured. Cooling fins are arranged at the bottom part, and can transmit the heat at the bottom part; the turnover angle of the cooling fins can be controlled through a turnover component; and selective heat emission can be carried out according to the heat in the voltage regulator and the external environment, so that a relatively large temperature difference between the inside and the outside is avoided. A frequency converter is arranged next to the motor, and the motor can carry out variable frequency operation, so that power consumption can be reduced when the voltage regulator works.

A device for controlling the voltage and the phase angle of a polyphase electric transmission network (1) comprising an induction regulator (5) that is connected between the primary side (1a) and the secondary side (1b) of the transmission network. A gap (14) is provided with a magnetic layer (17) which exhibits a relative permeability ([mu]r) that is controllable, wherein the magnitude (amplitude) of the secondary voltage vector deltaE is also adapted to be controlled by controlling the permeability of the magnetic layer (17). The magnetic layer (17) may consist of a magnetic fluid or a solid material.

The invention relates to an induction regulator (201) for an internal combustion engine which comprises one or more features selected from: at least one perforated element (203) for allowing the passage of fuel/air mixture therethrough, at least one open-topped reservoir (205) for retaining excess unvapourised fuel and means (204) for mounting the regulator in the inlet manifold of an engine, the open-topped reservoir (205) comprising a series of perforations (207) therein; at least one perforated element for allowing the passage of fuel/air mixture therethrough, means for mounting the perforated element in the inlet manifold of an engine and the means (510) for heating the perforated element; and a propeller and means for mounting the propeller (703, 803, 903) in the inlet manifold of an engine.