CN214201623U - Comprehensive energy efficiency test platform - Google Patents
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- CN214201623U CN214201623U CN202023207677.2U CN202023207677U CN214201623U CN 214201623 U CN214201623 U CN 214201623U CN 202023207677 U CN202023207677 U CN 202023207677U CN 214201623 U CN214201623 U CN 214201623U
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Abstract
The utility model provides a comprehensive energy efficiency test platform, which comprises a switch cabinet, a rectifying device, a direct current bus, an asynchronous motor inversion branch, a variable frequency motor inversion branch, a charging pile energy efficiency detection branch, a transformer energy efficiency detection branch and a tested motor detection circuit; the tested motor detection circuit comprises a second low-voltage measuring device, a tested motor junction box, a tested motor, a load motor junction box and a load motor inverter which are sequentially connected in series, wherein the output end of the load motor is connected with a direct-current bus through the load motor junction box and the load motor inverter; the transformer energy efficiency detection branch comprises a tested transformer, a transformer load, a sixth switch, a first breaker and a third breaker, and the charging pile energy efficiency detection branch comprises a tested charging pile, a charging pile load, a fifth switch, a first breaker and a second breaker. The utility model discloses can realize on a platform simultaneously to the motor of different capacity, different grade type, fill electric pile and transformer and carry out the function of efficiency test.
Description
Technical Field
The utility model relates to a motor, fill energy efficiency test fields such as electric pile and transformer specifically are a generalized type energy efficiency test platform.
Background
With the continuous rising of industrial production capacity and production scale in China, serious tests on sustainable and stable supply of energy, environmental protection, prevention and control of atmospheric pollution and the like are met, and the requirements on energy structure transformation, efficient energy utilization, energy conservation and consumption reduction of industrial enterprises are more urgent.
For customers, at present, the main energy conversion equipment comprises motors (air conditioners, water pumps, elevators and motors), transformers, charging piles and the like, wherein the motors comprise asynchronous motors, variable frequency motors, synchronous motors and the like, and the energy consumption of the equipment accounts for 60% or more of the energy consumption of the whole industry. Therefore, the detection of the energy efficiency level of the main energy exchange/utilization equipment such as the motor, the charging pile and the transformer is the basis of energy conservation and consumption reduction of customers and is also a key link for manufacturers to carry out performance detection.
At present, the following forms of motor energy efficiency detection exist: firstly, a dynamometer is adopted as a load; secondly, a direct current generator and a power resistor are adopted to simulate a load; thirdly, a motor counter-dragging mode is adopted, the motor counter-dragging mode is directly merged into a power grid, and energy feedback is formed between the motor counter-dragging mode and the power grid; and fourthly, a rectification unit and an inversion unit are additionally arranged to form an energy feedback system sharing a direct current bus. The energy efficiency detection of the charging pile and the transformer mainly uses 380V commercial power as a power supply, and a power resistor is adopted to simulate a load.
The energy efficiency detection device of the existing laboratory or detection mechanism has single function and mainly has the following problems. Firstly, a dynamometer or a resistive load is adopted, the energy utilization rate of the whole system is low, under the long-term test condition, the energy loss is serious for the whole test system, and harmonic waves are introduced into the power grid when energy feedback is formed between the whole system and the power grid. Secondly, if the energy efficiency detection of the charging pile, the transformer or the motor needs to be carried out, the test items corresponding to the tested equipment can be completed only by equipping corresponding complete equipment in different places, and if the complete detection capability is needed, the problems of large occupied area and high equipment cost are faced. Thirdly, because the capacity and the size of the tested equipment are different, frequent centering and carrying are needed in the preparation stage of the test, the steps are troublesome, the efficiency is low, and the safety risk is higher.
SUMMERY OF THE UTILITY MODEL
The above-mentioned not enough to prior art exists, the utility model provides a generalized type efficiency test platform through the optimization and the integration of structure, realizes simultaneously on a platform to the motor of different capacity, different grade type, fill electric pile and transformer and develop the function that the efficiency tested, practices thrift the cost of enterprise on the one hand, and the quality and efficiency is increased, on the other hand hoisting device utilization ratio, area, on the other hand again, avoids frequent change load motor, raises the efficiency, reduces the safety risk.
A comprehensive energy efficiency test platform comprises a switch cabinet, a rectifying device, a direct-current bus, an asynchronous motor inversion branch, a variable-frequency motor inversion branch, a charging pile energy efficiency detection branch, a transformer energy efficiency detection branch and a tested motor detection circuit;
the tested motor detection circuit comprises a second low-voltage measuring device, a tested motor junction box, a tested motor, a load motor junction box and a load motor inverter which are sequentially connected in series, wherein the output end of the load motor is connected with a direct-current bus through the load motor junction box and the load motor inverter;
the asynchronous motor inversion branch comprises a tested motor inverter, a filter, an asynchronous motor transformer and a first switch which are sequentially connected in series, the switch cabinet is connected with the tested motor inverter through a rectifying device, and the first switch is connected with a second low-voltage measuring device;
the inverter branch of the variable frequency motor comprises a tested motor inverter, a filter and a second switch which are sequentially connected in series, and the tested motor inverter is connected with a second low-voltage measuring device through the filter and the second switch;
the transformer energy efficiency detection branch comprises a tested transformer, a transformer load, a sixth switch, a first breaker and a third breaker, a switch cabinet is connected with a rectifying device, the output end of the rectifying device is sequentially connected with a tested motor inverter, a filter and an asynchronous motor transformer, the output side of the asynchronous motor transformer is connected with the tested transformer through the sixth switch, the tested transformer is connected with the transformer load, and the switch cabinet is also directly connected with the tested transformer after passing through the first breaker and the third breaker;
fill electric pile efficiency and detect branch road and include that the stake is filled in the examination, fill electric pile load, fifth switch, first circuit breaker, second circuit breaker, the cubical switchboard is connected with fairing, fairing's output and tested motor dc-to-ac converter, wave filter, asynchronous machine transformer connect gradually, asynchronous machine transformer's output side is connected with the stake of filling in the examination through the fifth switch, the stake of filling in the examination is connected with filling electric pile load, the cubical switchboard still directly is connected with the stake of filling in the examination behind first circuit breaker, the second circuit breaker.
Further, still include high rotational speed car motor contravariant branch road, high rotational speed car motor contravariant branch road is including the car motor transformer, DC power supply cabinet, direct current measuring device, car motor controller input junction box, car motor controller output junction box, the fourth switch that concatenate in proper order, and the input side and the cubical switchboard of car motor transformer are connected, and the output of car motor controller output junction box is connected with second low pressure measuring device through the fourth switch.
The frequency converter detection branch circuit comprises a first low-voltage measuring device, an external frequency converter input cabinet of the motor and an external frequency converter output cabinet of the motor, which are sequentially connected in series, the tested frequency converter is connected between the external frequency converter input cabinet of the motor and the external frequency converter output cabinet of the motor, the input end of the first low-voltage measuring device is connected with the output side of the asynchronous motor transformer, and the output end of the external frequency converter output cabinet of the motor is connected with a second low-voltage measuring device after passing through a third switch.
Further, when the detection object is a high-speed automobile motor, the load motor inverter adopts a high-speed load motor inverter.
The utility model has the following characteristics and effects:
1. the utility model provides a comprehensive energy efficiency test platform, which realizes the function of carrying out energy efficiency test on a motor, a transformer and a charging pile on one platform, comprises an asynchronous motor, a variable frequency motor, a high-speed motor, an automobile motor, a motor frequency converter, a distribution transformer and an AC/DC charging pile, on one hand, the cost of enterprises is saved, the quality and the efficiency are improved, the utilization rate of a device is simultaneously improved, and the occupied area is reduced;
2. the utility model can realize the detection work of the motor, the charging pile and the transformer energy efficiency at the same time through the switching of the PLC to the switch, greatly improve the working efficiency, select different power supplies (frequency conversion and power frequency) according to different test items, and is flexible, reliable, convenient and fast;
3. the utility model can realize the function of energy-saving detection of the motor, the frequency converter and the frequency converter-motor full-ring by integrating and optimizing the junction box and the measuring cabinet;
4. the utility model has simple operation, can complete the switching of different test loops by the remote operation of the switch, avoid frequent replacement of the load motor, improve the efficiency and reduce the safety risk;
5. the utility model discloses the energy flow that the motor efficiency detected is inlet wire cabinet-fairing-DC bus-contravariant cabinet-the motor tested-shaft coupling-load motor (generator state) -contravariant cabinet-DC bus, has formed the energy feedback system of total DC bus, has promoted entire test system's operating efficiency.
Drawings
Fig. 1 is a schematic structural diagram of one embodiment of the comprehensive energy efficiency testing platform of the present invention.
In the figure: 1-automotive motor transformer; 2-DC direct current power supply; 3-direct current measuring cabinet; 4-input junction box of automobile motor controller; 5-vehicle motor controller; 6-output junction box of automobile motor controller; 7-a rectifying device; 8, a tested motor inverter; 9-load motor inverter; 10-high speed load motor inverter; 11-a filter; 12-an asynchronous machine transformer; 13-a first low pressure measuring device; 14, externally connecting a motor with a frequency converter input cabinet; 15, the motor is externally connected with a frequency converter; 16, the motor is externally connected with a frequency converter output cabinet; 17-a second low pressure measuring device; 18-a tested motor junction box; 19-tested motor; 20-a load motor; 21-torque and rotation speed tester; 22-load motor junction box; 23-tested transformer; 24-tested charging pile; 25-transformer load; 26-charging pile load.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 shows the utility model discloses the structure schematic diagram of one of them embodiment of comprehensive energy efficiency test platform, the function that comprehensive energy efficiency test platform mainly realized includes that asynchronous machine efficiency detects, inverter motor converter efficiency detects, high-speed automobile motor efficiency detects, fills electric pile efficiency and detects, transformer efficiency detects etc..
The comprehensive energy efficiency test platform comprises a switch cabinet, a rectifying device 7, a direct-current bus, an asynchronous motor inversion branch, a variable-frequency motor inversion branch, a high-speed automobile motor inversion branch, a charging pile energy efficiency detection branch, a transformer energy efficiency detection branch, a frequency converter detection branch and a tested motor detection circuit;
the tested motor detection circuit comprises a second low-voltage measuring device 17, a tested motor junction box 18, a tested motor 19, a load motor 20, a load motor junction box 22 and a load motor inverter 9 which are sequentially connected in series, wherein the output end of the load motor 20 is connected to a direct-current bus through the load motor junction box 22 and the load motor inverter 9; when the detection object is a high-speed automobile motor, the load motor inverter 9 is a high-speed load motor inverter.
The asynchronous motor inversion branch comprises a tested motor inverter 8, a filter 11, an asynchronous motor transformer 12 and a first switch which are connected in series in sequence, the switch cabinet is connected with the tested motor inverter 8 through a rectifying device 7, the first switch is connected with a second low-voltage measuring device 17,
the inverter branch of the variable frequency motor comprises a tested motor inverter 8, a filter 11 and a second switch which are sequentially connected in series, and the tested motor inverter 8 is connected with a second low-voltage measuring device 17 through the filter 11 and the second switch;
the high-rotation-speed automobile motor inversion branch comprises an automobile motor transformer 1, a DC direct-current power supply cabinet 2, a direct-current measuring device 3, an automobile motor controller input connection box 4, an automobile motor controller 5, an automobile motor controller output connection box 6 and a fourth switch which are sequentially connected in series, wherein the input side of the automobile motor transformer 1 is connected with the switch cabinet, and the output end of the automobile motor controller output connection box 6 is connected with a second low-voltage measuring device 17 through the fourth switch;
the frequency converter detection branch comprises a first low-voltage measuring device 13, an external motor frequency converter input cabinet 14 and an external motor frequency converter output cabinet 16 which are sequentially connected in series, a tested frequency converter 15 is connected between the external motor frequency converter input cabinet 14 and the external motor frequency converter output cabinet 16, the input end of the first low-voltage measuring device 13 is connected with the output side of an asynchronous motor transformer 12, and the output end of the external motor frequency converter output cabinet 16 is connected with a second low-voltage measuring device 17 after passing through a third switch.
The transformer energy efficiency detection branch comprises a tested transformer 23, a transformer load 25, a sixth switch (6KM), a first circuit breaker (1QF1) and a third circuit breaker (3QF), the switch cabinet is connected with the rectifying device 7, the output end of the rectifying device 7 is sequentially connected with a tested motor inverter 8, a filter 11 and an asynchronous motor transformer 12, the output side of the asynchronous motor transformer 12 is connected with the tested transformer 23 through the sixth switch (6KM), the tested transformer 23 is connected with the transformer load 25, and the switch cabinet is directly connected with the tested transformer 23 after passing through the first circuit breaker (1QF1) and the third circuit breaker (3 QF).
Fill electric pile energy efficiency and detect branch road including the stake 24 of charging of being tried, fill electric pile load 26, fifth switch (5KM), first circuit breaker (1QF), second circuit breaker (2QF), the cubical switchboard is connected with fairing 7, fairing 7's output and tested motor inverter 8, wave filter 11, asynchronous machine transformer 12 connects gradually, asynchronous machine transformer 12's output side is connected with the stake 24 of charging of being tried through fifth switch (5KM), the stake 24 of charging of being tried is connected with filling electric pile load 26, the cubical switchboard is still through first circuit breaker (1QF), directly is connected with the stake 24 of being tried to be charged behind second circuit breaker (2 QF).
For the energy efficiency detection of the asynchronous motor, a switch cabinet is connected with a rectifying device 7, alternating current is converted into direct current, the direct current passes through a tested motor inverter 8 to an LC filter cabinet, is filtered by a filter 11 in the LC filter cabinet and then is connected with an asynchronous motor transformer 12, the voltage is increased/decreased by the asynchronous motor transformer 12, the output side of the asynchronous motor transformer 12 passes through a first switch (1KM) and then is connected with a second low-voltage measuring device 17, voltage and current of a tested motor 19 are collected by the second low-voltage measuring device 17, the second low-voltage measuring device 17 is connected with a tested motor junction box 18, the tested motor 19 is connected with the tested motor 19 after being switched by the tested motor junction box 18, wherein the tested motor 19 is connected with a load motor 20 through a coupler and a torque and rotation speed tester 21 and is fixed on a test panel together, and the load motor 20 operates in a generator state during the test, and the energy feedback system is connected with the load motor junction box 22 and finally feeds back the energy to the DC bus through the load motor inverter 9, so that the energy feedback system of the common DC bus is formed.
For the energy efficiency detection of the variable frequency motor, the switch cabinet is connected with the rectifying device 7, after alternating current is converted into direct current, passes through a tested motor inverter 8 to a bus bar of an LC filter cabinet, passes through a filter 11 and a second switch (2KM), is connected with a second low-voltage measuring device 17, the voltage and current of the tested motor are collected by a second low-voltage measuring device 17, are connected with a tested motor junction box 18, are connected with a tested motor 19 after being transferred by the tested motor junction box 18, wherein the tested motor 19 is connected with the load motor 20 through a coupler and a torque and rotation speed tester 21, and fixed on a test flat plate together, during the test, the load motor 20 operates in a generator state, and the energy feedback system is connected with the load motor junction box 22 and finally feeds back the energy to the DC bus through the load motor inverter 9, so that the energy feedback system of the common DC bus is formed. For the loop, after being output by the inverter 8 of the tested motor, the electric energy is directly connected with the tested motor 19 through the second switch (2KM), so that the operation requirement of the variable frequency motor is met.
For the energy efficiency detection of a variable frequency motor with a frequency converter, a switch cabinet is connected with a rectifying device 7, alternating current is converted into direct current, the direct current passes through a tested motor inverter 8 to an LC filter cabinet, is filtered by a filter 11 and then is connected with an asynchronous motor transformer 12, is subjected to voltage rising/reducing by the asynchronous motor transformer 12, is connected with a bus bar copper plate of a first low-voltage measuring device 13 from the output side of the asynchronous motor transformer 12, collects the voltage and current of the tested motor frequency converter through the first low-voltage measuring device 13, is connected with a tested frequency converter 15 after passing through an external motor frequency converter input cabinet 14, is connected with a second low-voltage measuring device 17 after passing through a third switch (3KM), collects the voltage and current of the tested motor through the second low-voltage measuring device 17, is connected with a tested motor wiring box 18, is connected with a tested motor 19 after being switched by the tested motor wiring box 18, the tested motor and the load motor 20 are connected through a coupling torque and rotating speed tester 21 and are fixed on a test flat plate together, during test, the load motor 20 runs in a generator state and is connected with a load motor junction box 22, and finally energy is fed back to the DC bus through a load motor inverter 9, so that an energy feedback system sharing the DC bus is formed. For the loop, the upper computer can be used for switching the switch, so that the energy efficiency detection of the frequency converter of the variable frequency motor can be realized while the energy efficiency detection of the variable frequency motor is met.
For a high-rotating-speed automobile motor, a switch cabinet is connected with an automobile motor transformer 1, the high-rotating-speed automobile motor is subjected to voltage rising/falling through the automobile motor transformer 1 and then is input into a DC direct-current power supply cabinet 2, direct current required by a test is transmitted to an automobile motor controller 5 through a direct-current measuring device 3 and an automobile motor controller input connection box 4 after rectification and control, the direct current is connected with a second low-voltage measuring device 17 after passing through an automobile motor controller output connection box 6 and a fourth switch (4KM), voltage and current of a tested motor are collected through the second low-voltage measuring device 17 and are connected with a tested motor connection box 18, the tested motor is connected with a tested motor 19 after being switched through the tested motor connection box 18, wherein the tested motor 19 is connected with a load motor 20 through a coupler and a torque and rotating speed tester 21 and are fixed on a test panel together, and the load motor 20 operates in a generator state during the test, and the energy feedback system is connected with the negative load motor junction box 22 and finally feeds back the energy to the DC bus through the high-speed load motor inverter 10, so that the energy feedback system of the common DC bus is formed. For the loop, the energy efficiency detection test of the high-speed automobile motor can be realized by switching the switch through the upper computer, and the function of energy efficiency detection of the motor frequency converter can be realized.
For transformer energy efficiency detection, 2 testing loops can be performed, a first loop switch cabinet is connected with a rectifying device 7, alternating current is converted into direct current and then flows to an LC filter cabinet (11) through an inverter 8, the alternating current is filtered by LC and then is connected with an asynchronous motor transformer 12, and after the alternating current is stepped up/down through the asynchronous motor transformer 12, the output side of the asynchronous motor transformer 12 is connected with a tested transformer 23 through a sixth switch (6 KM); the other loop switch cabinet is directly connected with the tested transformer 23 after passing through the first breaker (1QF1) and the third breaker (3 QF).
For charging pile energy efficiency detection, 2 testing loops can be performed, a first loop switch cabinet is connected with a rectifying device 7, alternating current is converted into direct current, the direct current passes through a tested motor inverter 8 to an LC filter cabinet, is filtered by a filter 11 and then is connected with an asynchronous motor transformer 12, and after the voltage is increased/decreased by the transformer, the output side of the asynchronous motor transformer 12 is connected with a tested charging pile 24 through a fifth switch (5 KM); the other circuit switch cabinet is directly connected with the tested charging pile 24 after passing through the first circuit breaker (1QF1) and the second circuit breaker (2 QF).
The utility model discloses control system comprises industrial control computer (or operation panel), PLC controller and controlled part, realizes centralized control and dispersion management through the industrial control computer, and controlled part includes PLC and energy feedback system and other test instrument etc. and control system's signal transmission adopts optical fiber transmission, realizes the switching on/off of experimental power, the start-up and the stop of experimental unit, selection, the setting and the regulation of load etc. of current transformation ratio.
The utility model discloses measurement system adopts the industrial computer to pass through data bus and measuring instrument (mainly have: direct current resistance instrument, temperature patrol and examine appearance, dynamometer, torque speed measuring instrument, locked rotor torque measuring instrument etc.) communication, according to the test demand automatic acquisition test data such as: voltage, current, power, rotational speed, temperature, etc., and store and process data according to test items and related settings, plot curves and generate test reports.
The utility model discloses work flow as follows:
for the motor:
(1) and selecting a corresponding station and a test scheme according to the model and the capacity of the tested motor.
(2) And completing the installation and connection of the motor.
(3) The industrial control computer sends an instruction, and the signal is transmitted to the PLC through the optical fiber to control the closing of the breaker of the main inlet wire cabinet.
(4) The industrial control computer sends an instruction, the signal is transmitted to the PLC through the optical fiber, the transformer breaker, the transformer relay (different transformation ratios are selected through opening and closing of the relay) and the measurement cabinet switch are controlled, and on-off control of a primary main loop is completed.
(5) A V/F control strategy is adopted for a tested machine, the size and frequency of voltage input (output by an inverter) of the tested machine are changed, a load machine is driven to operate through a coupler, and the tested machine operates and the motor state at the moment.
(6) When the rotating speed reaches a certain specified rotating speed, a direct torque control strategy is adopted for the load machine, the load machine is in a power generation running state at the moment, the load size is changed through torque control, and a motor drag test is completed.
(7) The energy flow of the whole system is an inlet cabinet, a rectifying device, a direct current bus, an inversion cabinet, a tested motor, a coupler, a load motor (generator state), the inversion cabinet and the direct current bus, and an energy feedback system sharing the direct current bus is formed.
(8) The voltage and current signals of the whole system are collected from a measuring cabinet, the current adopts Hall CT, the voltage is collected from a bus bar, the rotating speed and torque signals are collected from a rotating speed and torque sensor on a coupler tool, signals such as temperature and the like are collected from an embedded part, and related signals are uploaded to WT1800 and an industrial personal computer through optical fibers.
For the charging pile:
(1) and completing the installation and connection of the charging pile.
(2) The industrial control computer sends an instruction, and the signal is transmitted to the PLC through the optical fiber to control the closing of the breaker of the main inlet wire cabinet.
(3) The industrial control computer sends an instruction, the signal is transmitted to the PLC through the optical fiber, and the transformer breaker and the transformer relay are controlled (different transformation ratios are selected through opening and closing of the relay) to complete on-off control of the primary main loop.
(4) Different test loops are selected according to test conditions, 380V mains supply can be selected for direct power supply, and power supply after rectification and inversion can also be selected.
(5) And finishing the energy efficiency detection of the charging pile.
For the transformer:
(1) and completing the installation and connection of the transformer.
(2) The industrial control computer sends an instruction, and the signal is transmitted to the PLC through the optical fiber to control the closing of the breaker of the main inlet wire cabinet.
(3) The industrial control computer sends an instruction, the signal is transmitted to the PLC through the optical fiber, and the transformer breaker and the transformer relay are controlled (different transformation ratios are selected through opening and closing of the relay) to complete on-off control of the primary main loop.
(4) Different test loops are selected according to test conditions, 380V mains supply can be selected for direct power supply, and power supply after rectification and inversion can also be selected.
(5) And finishing the energy efficiency detection of the transformer.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a comprehensive type energy efficiency test platform which characterized in that: the system comprises a switch cabinet, a rectifying device, a direct-current bus, an asynchronous motor inversion branch, a variable-frequency motor inversion branch, a charging pile energy efficiency detection branch, a transformer energy efficiency detection branch and a tested motor detection circuit;
the tested motor detection circuit comprises a second low-voltage measuring device, a tested motor junction box, a tested motor, a load motor junction box and a load motor inverter which are sequentially connected in series, wherein the output end of the load motor is connected with a direct-current bus through the load motor junction box and the load motor inverter;
the asynchronous motor inversion branch comprises a tested motor inverter, a filter, an asynchronous motor transformer and a first switch which are sequentially connected in series, the switch cabinet is connected with the tested motor inverter through a rectifying device, and the first switch is connected with a second low-voltage measuring device;
the inverter branch of the variable frequency motor comprises a tested motor inverter, a filter and a second switch which are sequentially connected in series, and the tested motor inverter is connected with a second low-voltage measuring device through the filter and the second switch;
the transformer energy efficiency detection branch comprises a tested transformer, a transformer load, a sixth switch, a first breaker and a third breaker, a switch cabinet is connected with a rectifying device, the output end of the rectifying device is sequentially connected with a tested motor inverter, a filter and an asynchronous motor transformer, the output side of the asynchronous motor transformer is connected with the tested transformer through the sixth switch, the tested transformer is connected with the transformer load, and the switch cabinet is also directly connected with the tested transformer after passing through the first breaker and the third breaker;
fill electric pile efficiency and detect branch road and include that the stake is filled in the examination, fill electric pile load, fifth switch, first circuit breaker, second circuit breaker, the cubical switchboard is connected with fairing, fairing's output and tested motor dc-to-ac converter, wave filter, asynchronous machine transformer connect gradually, asynchronous machine transformer's output side is connected with the stake of filling in the examination through the fifth switch, the stake of filling in the examination is connected with filling electric pile load, the cubical switchboard still directly is connected with the stake of filling in the examination behind first circuit breaker, the second circuit breaker.
2. The integrated energy efficiency test platform of claim 1, wherein: the high-speed automobile motor inversion branch circuit comprises an automobile motor transformer, a DC direct-current power supply cabinet, a direct-current measuring device, an automobile motor controller input junction box, an automobile motor controller output junction box and a fourth switch which are sequentially connected in series, wherein the input side of the automobile motor transformer is connected with the switch cabinet, and the output end of the automobile motor controller output junction box is connected with a second low-voltage measuring device through the fourth switch.
3. The integrated energy efficiency test platform of claim 2, wherein: the frequency converter detection branch circuit comprises a first low-voltage measuring device, an external frequency converter input cabinet of a motor and an external frequency converter output cabinet of the motor, which are sequentially connected in series, the tested frequency converter is connected between the external frequency converter input cabinet of the motor and the external frequency converter output cabinet of the motor, the input end of the first low-voltage measuring device is connected with the output side of an asynchronous motor transformer, and the output end of the external frequency converter output cabinet of the motor is connected with a second low-voltage measuring device after passing through a third switch.
4. The integrated energy efficiency test platform of claim 2, wherein: when the detection object is a high-speed automobile motor, the load motor inverter adopts a high-speed load motor inverter.
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| CN202023207677.2U CN214201623U (en) | 2020-12-28 | 2020-12-28 | Comprehensive energy efficiency test platform |
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| CN202023207677.2U CN214201623U (en) | 2020-12-28 | 2020-12-28 | Comprehensive energy efficiency test platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116068396A (en) * | 2023-03-29 | 2023-05-05 | 深圳市昱森机电有限公司 | Method and related device for testing motor performance based on artificial intelligence |
| WO2023138045A1 (en) * | 2022-01-21 | 2023-07-27 | 苏州华电电气股份有限公司 | Energy efficiency index detection apparatus for power transformer |
-
2020
- 2020-12-28 CN CN202023207677.2U patent/CN214201623U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138045A1 (en) * | 2022-01-21 | 2023-07-27 | 苏州华电电气股份有限公司 | Energy efficiency index detection apparatus for power transformer |
| CN116068396A (en) * | 2023-03-29 | 2023-05-05 | 深圳市昱森机电有限公司 | Method and related device for testing motor performance based on artificial intelligence |
| CN116068396B (en) * | 2023-03-29 | 2023-06-20 | 深圳市昱森机电有限公司 | Method and related device for testing motor performance based on artificial intelligence |
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