CN204855746U - Motor type test system - Google Patents
Motor type test system Download PDFInfo
- Publication number
- CN204855746U CN204855746U CN201520622573.8U CN201520622573U CN204855746U CN 204855746 U CN204855746 U CN 204855746U CN 201520622573 U CN201520622573 U CN 201520622573U CN 204855746 U CN204855746 U CN 204855746U
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- Prior art keywords
- circuit
- electrically connected
- rectification
- voltage gear
- commutation
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- Expired - Fee Related
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- Inverter Devices (AREA)
- Power Conversion In General (AREA)
Abstract
The utility model discloses a motor type test system, it makes the alternating current obtain the less DC power supply of ripple after the rectification. Inlet wire module, rectifier module, inverter circuit, voltage gear switching circuit that this motor type test system connects including electricity in proper order inverter circuit with public wiring between the voltage gear switching circuit is served and is gone back the electricity and be connected with filter circuit, rectifier module includes 12 pulse rectifier transformer and rectifier circuit, 12 pulse rectifier transformer's the primary wiring end and the output electricity of inlet wire module are connected, 12 pulse rectifier transformer's secondary coil wiring end and rectifier circuit's input electricity are connected, and rectifier circuit's output is connected with inverter circuit's input electricity.
Description
Technical field
The utility model belongs to the technical field of Motor-Testing System, specifically relates to a kind of electrical type tests system.
Background technology
Electrical type tests system is the testing equipment for detecting motor performance, and it can carry out no-load test, locked rotor test, load test, heat test, MS pull out test.Electrical type tests system uses PLC industrial control technology, detects power of motor, electric current, voltage, frequency, torque, rotating speed, efficiency, power factor, temperature rise.
Electrical type tests system comprises the incoming line module, rectification module, inverter circuit, filtering circuit, voltage gear commutation circuit and the output module that are electrically connected successively.Wherein, rectification module comprises transformer and rectification circuit.Adopt the rectification module of this structure, find that the direct supply that it obtains exists ripple through experiment.As everyone knows, ripple voltage not only reduces power-efficient, but also produces less desirable harmonic wave in a device, serious even burning apparatus.For this reason, the technical matters that ripple becomes urgently those skilled in the art's solution how is reduced.
Summary of the invention
The purpose of this utility model is to provide a kind of electrical type tests system, and it makes alternating current after rectification, obtain the less direct supply of ripple.
For solving the problems of the technologies described above, the purpose of this utility model is achieved in that
A kind of electrical type tests system, comprise the incoming line module be electrically connected successively, rectification module, inverter circuit, voltage gear commutation circuit, common terminal between described inverter circuit and described voltage gear commutation circuit is also electrically connected with filtering circuit, described rectification module comprises 12 impulse commutation transformer and rectification circuits, the primary coil terminals of described 12 impulse commutation transformers are electrically connected with the output terminal of incoming line module, the secondary coil terminals of described 12 impulse commutation transformers are electrically connected with the input end of rectification circuit, the output terminal of rectification circuit is electrically connected with the input end of inverter circuit.
On the basis of such scheme and as the preferred version of such scheme: described inverter circuit comprises DC/AC change-over circuit and for driving the driving circuit of this DC/AC change-over circuit, described driving circuit comprises electrical quantity sample circuit for gathering electrical quantity in voltage gear commutation circuit and feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive, and described electrical quantity sample circuit, feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive are electrically connected successively.
On the basis of such scheme and as the preferred version of such scheme: be also connected with output circuit on the output terminal of described voltage gear commutation circuit, output circuit is made up of the no-fuse switch be connected on the output terminal of described voltage gear commutation circuit.
The utility model gives prominence to compared to existing technology and useful technique effect is:
Electrical type tests system of the present utility model, have employed the structure of 12 impulse commutation transformers and rectification circuit, improves the waveform direct current of DC bus greatly, reduces the ripple of bus, effectively protect equipment and improve power-efficient.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is principle schematic of the present utility model.
Embodiment
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, see Fig. 1-Fig. 2;
This gives a kind of electrical type tests system, comprise the incoming line module 1, rectification module 2, inverter circuit 3 and the voltage gear commutation circuit 5 that are electrically connected successively, filtering circuit 4 is connected electrically on the common terminal between described inverter circuit 3 and described voltage gear commutation circuit 5.Civil power is connected on incoming line module, for this electrical type tests system provides power supply, civil power is changed into direct current through rectification module, direct current obtains the controllable alternating current of frequency through inverter circuit, the alternating current obtained by inverter circuit obtains the power supply of high-quality through filtering circuit, and backward voltage gear position commutation circuit is powered.In the present embodiment, above-mentioned rectification module 2 comprises 12 impulse commutation transformers 21 and rectification circuit 22, the primary coil terminals of described 12 impulse commutation transformers 21 are electrically connected with the output terminal of incoming line module 1, the secondary coil terminals of described 12 impulse commutation transformers 21 are electrically connected with the input end of rectification circuit 22, and the output terminal of rectification circuit 22 is electrically connected with the input end of inverter circuit 3.
This electrical type tests system, have employed the structure of 12 impulse commutation transformers and rectification circuit, improves the waveform direct current of DC bus greatly, reduces the ripple of bus, effectively protect equipment and improve power-efficient.
As shown in Figure 2, described inverter circuit 3 comprises DC/AC change-over circuit 31 and for driving the driving circuit 32 of this DC/AC change-over circuit, described driving circuit 32 comprises electrical quantity sample circuit 321 for gathering electrical quantity in voltage gear commutation circuit and feedback loop 322, waveform generating circuit 323, PWM ripple output control circuit 324, variable frequency drive 325, and described electrical quantity sample circuit 321, feedback loop 322, waveform generating circuit 323, PWM ripple output control circuit 324, variable frequency drive 325 are electrically connected successively.Wherein, feedback loop also claims feedback circuit.
On the basis of above-mentioned electrical type tests system architecture, the output terminal of described voltage gear commutation circuit 5 is also connected with output circuit 6, output circuit is made up of the no-fuse switch be connected on the output terminal of described voltage gear commutation circuit.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (3)
1. an electrical type tests system, comprise the incoming line module be electrically connected successively, rectification module, inverter circuit, voltage gear commutation circuit, common terminal between described inverter circuit and described voltage gear commutation circuit is also electrically connected with filtering circuit, it is characterized in that: described rectification module comprises 12 impulse commutation transformer and rectification circuits, the primary coil terminals of described 12 impulse commutation transformers are electrically connected with the output terminal of incoming line module, the secondary coil terminals of described 12 impulse commutation transformers are electrically connected with the input end of rectification circuit, the output terminal of rectification circuit is electrically connected with the input end of inverter circuit.
2. electrical type tests system according to claim 1, it is characterized in that: described inverter circuit comprises DC/AC change-over circuit and for driving the driving circuit of this DC/AC change-over circuit, described driving circuit comprises electrical quantity sample circuit for gathering electrical quantity in voltage gear commutation circuit and feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive, and described electrical quantity sample circuit, feedback loop, waveform generating circuit, PWM ripple output control circuit, variable frequency drive are electrically connected successively.
3. electrical type tests system according to claim 1, it is characterized in that: on the output terminal of described voltage gear commutation circuit, be also connected with output circuit, output circuit is made up of the no-fuse switch be connected on the output terminal of described voltage gear commutation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622573.8U CN204855746U (en) | 2015-08-14 | 2015-08-14 | Motor type test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520622573.8U CN204855746U (en) | 2015-08-14 | 2015-08-14 | Motor type test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855746U true CN204855746U (en) | 2015-12-09 |
Family
ID=54746283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520622573.8U Expired - Fee Related CN204855746U (en) | 2015-08-14 | 2015-08-14 | Motor type test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855746U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199426A (en) * | 2016-07-01 | 2016-12-07 | 贵阳华旭科技开发有限公司 | Direct current generator ripple fictitious load |
-
2015
- 2015-08-14 CN CN201520622573.8U patent/CN204855746U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199426A (en) * | 2016-07-01 | 2016-12-07 | 贵阳华旭科技开发有限公司 | Direct current generator ripple fictitious load |
| CN106199426B (en) * | 2016-07-01 | 2019-06-21 | 贵阳华旭科技开发有限公司 | Direct current generator ripple fictitious load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 314100 Jiashan City, Jiaxing province Huimin street, No. Jiang Road, building 81, No. 2 Patentee after: JIAXING FUER ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 314000 room, room 1, No. 522, Yatai Road, Zhejiang, Jiaxing, China Patentee before: JIAXING FUER ELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20210814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |