CN204166110U - A kind of energy-conservation inverter ageing tester - Google Patents
A kind of energy-conservation inverter ageing tester Download PDFInfo
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- CN204166110U CN204166110U CN201420653518.0U CN201420653518U CN204166110U CN 204166110 U CN204166110 U CN 204166110U CN 201420653518 U CN201420653518 U CN 201420653518U CN 204166110 U CN204166110 U CN 204166110U
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Abstract
An energy-conservation inverter ageing tester, belongs to inverter technical field of measurement and test, and in this device, AC/DC change-over circuit connects into utility grid, one group of inverter burn-in test array be connected on AC/DC change-over circuit or at least two group inverter burn-in test array in parallel on AC/DC change-over circuit, often organize inverter burn-in test array by 2-10 inverter burn-in test units in series, connect with tunable load again and form, device of the present utility model is compared with existing inverter aging testing apparatus, required power consumption reduces decades of times, save power-supply unit widely, no longer make the consumption in vain of valuable electric energy on resistance, reduce the pollution to environment simultaneously, the inverter that this inverter ageing tester can be applied to test includes but not limited to coal electricity inverter, sun power/photovoltaic DC-to-AC converter, wind energy inverter, nuclear energy inverter, the similar direct current such as vehicle-mounted inverter changes the conversion electronic equipment of interchange into.
Description
Technical field
The utility model belongs to inverter technical field of measurement and test, particularly a kind of device of inverter burn-in test.
Background technology
Inverter is electronic equipment direct current energy (comprising the electric energy that solar cell, accumulator jar, wind energy, nuclear energy etc. produce) being transformed into alternating current (being generally 220V, 50HZ sine or square wave).Popular says, inverter is a kind of device direct current (DC) being converted into alternating current (AC).Generally be made up of inverter bridge, steering logic and filtering circuit.
Inverter mainly comprises coal electricity inverter, sun power/photovoltaic DC-to-AC converter, wind energy inverter, nuclear energy inverter etc., and be widely used in air-conditioning, home theater, electric wheel, electric tool, sewing machine, DVD, VCD, computer, TV, washing machine, smoke exhaust ventilator, refrigerator, the product such as video recorder, massager, fan, illumination.
Existing inverter all will carry out the burn-in test test of 3-8 hour after having produced, method applies nominal working conditions to inverter to add nominal load, this load is generally electronic load or high-power resistance load, bad components and parts are allowed to expose through the regular hour under the high temperature conditions, it is the important step guaranteeing product quality, and a large amount of valuable energy will be consumed in vain in the inverter burn-in test process of long period, as produced aging 10KW inverter, continuous ageing tunnel line is 100 stations, power supply capacity must be greater than 1000KW, 8 hours will power consumption 8000 degree, the electricity charge are unit up to ten thousand also, make inverter in burn-in test process electric energy consumption in vain at resistance, and add environmental pollution.
Utility model content
The purpose of this utility model overcomes above technical matters, a kind of energy-conservation inverter ageing tester is provided, by last DC Parallel opertation module output terminal being distinguished the input end of feedback link to each inverter burn-in test cells D C Parallel opertation module to compensate the loss of electric energy, greatly can reduce the power consumption in inverter test process, and ensure the validity of burn-in test.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of energy-conservation inverter ageing tester, is characterized in that: AC/DC change-over circuit connects into utility grid; One group of inverter burn-in test array be connected on AC/DC change-over circuit or at least two group inverter burn-in test array in parallel on AC/DC change-over circuit; Often organize inverter burn-in test array by 2-10 inverter burn-in test units in series, then connect with tunable load and form;
Often organize inverter burn-in test unit and comprise tested inverter and DC Parallel opertation module, DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor;
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
Described DC Parallel opertation module comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
Described AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, and the rectification of composition phase shift trigger for thyristor, its rectification form is single-phase bridge or three-phase bridge, and control mode is half-bridge or full-bridge.
Described controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
Described controllable silicon optocoupler controls three-phase half-bridge phase-shifting trigger AC/DC change-over circuit and comprises three controllable silicon optocouplers control phase-shifting trigger conduction module JM1-JM3, three diode D1-D3, a Hall current mutual inductor HGQ, a comparer, diode D1-D3 respectively with JM1-JM3 by just connecting to negative, the anode of diode D1-D3 is GND, the negative terminal that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1-JM3 connects for anode output terminal, diode VD0, the tie point that D1-D3 and controllable silicon optocoupler control phase-shifting trigger conduction module JM1-JM3 respectively with the A of inverter output end, B, C connects, controllable silicon optocoupler controls the L+ of phase-shifting trigger conduction module JM1-JM3, L-connects along polarity, the L+ that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1 connects output terminal through resistance R4, the L-of controllable silicon optocoupler control phase-shifting trigger conduction module JM3 connects the collector output of comparer, the positive input termination reference voltage of comparer, the negative input termination Hall current mutual inductor of comparer.
The beneficial effect of device of the present utility model is: compared with existing inverter aging testing apparatus, required power consumption reduces decades of times, save power-supply unit widely, no longer made the consumption in vain of valuable electric energy on resistance, reduce the pollution to environment simultaneously.
The inverter that this inverter ageing tester can be applied to test includes but not limited to coal electricity inverter, and sun power/photovoltaic DC-to-AC converter, wind energy inverter, nuclear energy inverter, the similar direct current such as vehicle-mounted inverter changes the conversion electronic equipment of interchange into.
Accompanying drawing explanation
Fig. 1 is a kind of syndeton schematic diagram of energy-conservation inverter ageing tester
Fig. 2 is the schematic diagram of the DC Parallel opertation module in Fig. 1
Fig. 3 is the schematic diagram of the controllable silicon optocoupler control phase-shifting trigger conduction module of AC/DC change-over circuit in Fig. 1
Fig. 4 is the schematic diagram of the controllable silicon optocoupler control three-phase half-bridge phase-shift trigger circuit of AC/DC change-over circuit in Fig. 1
In figure: 1. utility grid, 2.AC/DC change-over circuit, 3. tested inverter, 4. inverter burn-in test unit, 5. A.C. contactor, 6.DC Parallel opertation module, 7. tunable load
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further, but the utility model does not limit to specific embodiment.
Embodiment 1
A kind of energy-conservation inverter ageing tester as shown in Figure 1, 2, 3, AC/DC change-over circuit 2 connects into utility grid 1; One group of inverter burn-in test array is connected on AC/DC change-over circuit, and this inverter burn-in test array is connected by 10 inverter burn-in test unit 4, then connects with tunable load 7 and form;
Often organize inverter burn-in test unit and comprise tested inverter 3 and DC Parallel opertation module 6, DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor 5;
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
DC Parallel opertation module 6 comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, the rectification of composition phase shift trigger for thyristor, controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
Embodiment 2
As Fig. 1,2, a kind of energy-conservation inverter ageing tester shown in 3 and 4, AC/DC change-over circuit 2 connects into utility grid 1; Two groups of inverter burn-in test array in parallel are on AC/DC change-over circuit; Often organize inverter burn-in test array to be connected by 6 inverter burn-in test unit 4, then connect with tunable load 7 and form;
Often organize inverter burn-in test unit and comprise tested inverter 3 and DC Parallel opertation module 6, DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor 5;
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
DC Parallel opertation module (6) comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
Described AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, and the rectification of composition phase shift trigger for thyristor, its rectification form is three-phase bridge, and control mode is half-bridge.
Controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
Controllable silicon optocoupler controls three-phase half-bridge phase-shifting trigger AC/DC change-over circuit and comprises three controllable silicon optocouplers control phase-shifting trigger conduction module JM1-JM3, three diode D1-D3, a Hall current mutual inductor HGQ, a comparer, diode D1-D3 respectively with JM1-JM3 by just connecting to negative, the anode of diode D1-D3 is GND, the negative terminal that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1-JM3 connects for anode output terminal, diode VD0, the tie point that D1-D3 and controllable silicon optocoupler control phase-shifting trigger conduction module JM1-JM3 respectively with the A of inverter output end, B, C connects, controllable silicon optocoupler controls the L+ of phase-shifting trigger conduction module JM1-JM3, L-connects along polarity, the L+ that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1 connects output terminal through resistance R4, the L-of controllable silicon optocoupler control phase-shifting trigger conduction module JM3 connects the collector output of comparer, the positive input termination reference voltage of comparer, the negative input termination Hall current mutual inductor of comparer.
Embodiment 3
As Fig. 1,2, a kind of energy-conservation inverter ageing tester shown in 3 and 4, AC/DC change-over circuit 2 connects into utility grid 1; 6 groups of inverter burn-in test array in parallel are on AC/DC change-over circuit; Often organize inverter burn-in test array to be connected by 4 inverter burn-in test unit 4, then connect with tunable load (7) and form;
Often organize inverter burn-in test unit and comprise tested inverter 3 and DC Parallel opertation module 6, DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor 5;
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
DC Parallel opertation module 6 comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, and the rectification of composition phase shift trigger for thyristor, its rectification form is three-phase bridge, and control mode is half-bridge.
Controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
Controllable silicon optocoupler controls three-phase half-bridge phase-shifting trigger AC/DC change-over circuit and comprises three controllable silicon optocouplers control phase-shifting trigger conduction module JM1-JM3, three diode D1-D3, a Hall current mutual inductor HGQ, a comparer, diode D1-D3 respectively with JM1-JM3 by just connecting to negative, the anode of diode D1-D3 is GND, the negative terminal that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1-JM3 connects for anode output terminal, diode VD0, the tie point that D1-D3 and controllable silicon optocoupler control phase-shifting trigger conduction module JM1-JM3 respectively with the A of inverter output end, B, C connects, controllable silicon optocoupler controls the L+ of phase-shifting trigger conduction module JM1-JM3, L-connects along polarity, the L+ that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1 connects output terminal through resistance R4, the L-of controllable silicon optocoupler control phase-shifting trigger conduction module JM3 connects the collector output of comparer, the positive input termination reference voltage of comparer, the negative input termination Hall current mutual inductor of comparer.
Embodiment 4
As Fig. 1,2, a kind of energy-conservation inverter ageing tester shown in 3 and 4, AC/DC change-over circuit 2 connects into utility grid 1; 15 groups of inverter burn-in test array in parallel are on AC/DC change-over circuit; Often organize inverter burn-in test array to be connected by 2 inverter burn-in test unit 4, then connect with tunable load 7 and form;
Often organize inverter burn-in test unit and comprise tested inverter 3 and DC Parallel opertation module 6, DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor 5;
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
DC Parallel opertation module 6 comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, the rectification of composition phase shift trigger for thyristor, controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
Claims (5)
1. an energy-conservation inverter ageing tester, is characterized in that: AC/DC change-over circuit (2) connects into utility grid (1); One group of inverter burn-in test array be connected on AC/DC change-over circuit or at least two group inverter burn-in test array in parallel on AC/DC change-over circuit; Often organize inverter burn-in test array to be connected by 2-10 inverter burn-in test unit (4), then connect with tunable load (7) and form;
Often organize inverter burn-in test unit and comprise tested inverter (3) and DC Parallel opertation module (6), DC Parallel opertation module input is connected with tested inverter output end;
Input end and the output terminal of often organizing inverter burn-in test unit are equipped with A.C. contactor (5);
Often organizing in inverter burn-in test array:
The input end of the tested inverter of first inverter burn-in test unit is connected with AC/DC change-over circuit output terminal, the input end of the tested inverter of remaining inverter burn-in test unit is connected with the DC Parallel opertation module output terminal of previous inverter burn-in test unit, feedback link is to the input end of each inverter burn-in test cells D C Parallel opertation module respectively for last DC Parallel opertation module output terminal, and last DC Parallel opertation module output terminal is connected with tunable load simultaneously.
2. a kind of energy-conservation inverter ageing tester according to claim 1, it is characterized in that: described DC Parallel opertation module (6) comprises AC/DC change-over circuit, Hall current mutual inductor, current feedback comparator circuit, DC/DC change-over circuit and Voltage Feedback compare circuit, the power frequency supply that tested inverter exports delivers to the input end of AC/DC change-over circuit, the output terminal of AC/DC change-over circuit is through Hall current mutual inductor, Hall current mutual inductor output signal connects current feedback comparator circuit, control AC/DC change-over circuit exports steady current, current feedback comparator circuit connects AC/DC change-over circuit, its output current is controlled constant, the output terminal of DC/DC change-over circuit through anti-return diode to output terminal, Voltage Feedback compares circuit and connects output terminal, Voltage Feedback compares the input end that circuit output end connects DC/DC change-over circuit.
3. a kind of energy-conservation inverter ageing tester according to claim 2, it is characterized in that: described AC/DC change-over circuit adopts controllable silicon optocoupler to control phase-shifting trigger conduction module, the rectification of composition phase shift trigger for thyristor, its rectification form is single-phase bridge or three-phase bridge, and control mode is half-bridge or full-bridge.
4. a kind of energy-conservation inverter ageing tester according to claim 3, it is characterized in that: described controllable silicon optocoupler controls phase-shifting trigger conduction module and comprises: one-way SCR Q1, one-way SCR Q2, PNP triode Q3, optocoupler U1, resistance R1-R3, capacitor C1, wherein, trigger electrode and the anode of one-way SCR Q1 are connected negative electrode and the anode of one-way SCR Q2 respectively, the trigger electrode of one-way SCR Q2 connects a capacitor C1 of another termination output terminal, the collector of PNP triode Q3 is connected through R2, the emitter of triode Q3 connects the anode of one-way SCR Q1, the base stage of triode Q3 connects the emitter of optocoupler U1, connect output terminal through resistance R3 simultaneously, the collector of optocoupler U1 connects the anode of one-way SCR Q1.
5. a kind of energy-conservation inverter ageing tester according to claim 3, it is characterized in that: described controllable silicon optocoupler controls three-phase half-bridge phase-shifting trigger AC/DC change-over circuit and comprises three controllable silicon optocouplers control phase-shifting trigger conduction module JM1-JM3, three diode D1-D3, a Hall current mutual inductor HGQ, a comparer, diode D1-D3 respectively with JM1-JM3 by just connecting to negative, the anode of diode D1-D3 is GND, the negative terminal that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1-JM3 connects for anode output terminal, diode VD0, the tie point that D1-D3 and controllable silicon optocoupler control phase-shifting trigger conduction module JM1-JM3 respectively with the A of inverter output end, B, C connects, controllable silicon optocoupler controls the L+ of phase-shifting trigger conduction module JM1-JM3, L-connects along polarity, the L+ that controllable silicon optocoupler controls phase-shifting trigger conduction module JM1 connects output terminal through resistance R4, the L-of controllable silicon optocoupler control phase-shifting trigger conduction module JM3 connects the collector output of comparer, comparer+input termination reference voltage, the negative input termination Hall current mutual inductor of comparer.
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| CN201420653518.0U CN204166110U (en) | 2014-11-04 | 2014-11-04 | A kind of energy-conservation inverter ageing tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330746A (en) * | 2014-11-04 | 2015-02-04 | 大连理工常熟研究院有限公司 | Energy-saving ageing testing device of inverter |
| CN110456201A (en) * | 2019-08-21 | 2019-11-15 | 南方电网科学研究院有限责任公司 | Power cycle acceleration test device of MMC sub-module and control method thereof |
| CN110907846A (en) * | 2018-08-28 | 2020-03-24 | 比亚迪股份有限公司 | Test system and test method of DC/DC conversion module |
| US11806471B2 (en) | 2015-10-21 | 2023-11-07 | Rai Strategic Holdings, Inc. | Power supply for an aerosol delivery device |
-
2014
- 2014-11-04 CN CN201420653518.0U patent/CN204166110U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330746A (en) * | 2014-11-04 | 2015-02-04 | 大连理工常熟研究院有限公司 | Energy-saving ageing testing device of inverter |
| CN104330746B (en) * | 2014-11-04 | 2017-04-19 | 大连理工常熟研究院有限公司 | Energy-saving ageing testing device of inverter |
| US11806471B2 (en) | 2015-10-21 | 2023-11-07 | Rai Strategic Holdings, Inc. | Power supply for an aerosol delivery device |
| CN110907846A (en) * | 2018-08-28 | 2020-03-24 | 比亚迪股份有限公司 | Test system and test method of DC/DC conversion module |
| CN110907846B (en) * | 2018-08-28 | 2021-12-07 | 比亚迪股份有限公司 | Test system and test method of DC/DC conversion module |
| CN110456201A (en) * | 2019-08-21 | 2019-11-15 | 南方电网科学研究院有限责任公司 | Power cycle acceleration test device of MMC sub-module and control method thereof |
| CN110456201B (en) * | 2019-08-21 | 2022-02-25 | 南方电网科学研究院有限责任公司 | Power cycle acceleration test device of MMC sub-module and control method thereof |
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