CN205992024U - A kind of permagnetic synchronous motor ac-dc axis inductance measurement device - Google Patents
A kind of permagnetic synchronous motor ac-dc axis inductance measurement device Download PDFInfo
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- CN205992024U CN205992024U CN201620923257.9U CN201620923257U CN205992024U CN 205992024 U CN205992024 U CN 205992024U CN 201620923257 U CN201620923257 U CN 201620923257U CN 205992024 U CN205992024 U CN 205992024U
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- synchronous motor
- axis inductance
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- inductance measurement
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Abstract
This utility model is related to a kind of permagnetic synchronous motor ac-dc axis inductance measurement device, and belonging to drive and control of electric machine field needs using special equipments such as fluxmeters it is proposed that a kind of new replacement measurement scheme it is therefore an objective to solve traditional measurement ac-dc axis inductance.This measurement apparatus includes permagnetic synchronous motor d-axis inductance measurement device and permagnetic synchronous motor quadrature axis inductance measurement device；Specifically include：DC source E, switch S, fixed resistance R3, R4, variable resistance R2 ', R2 ", armature winding R1, electric current Table A, voltage Table V, voltage collecting device composition, carry out easy and simple to handle using this device and are not required to special test equipment it is easy to implement.
Description
Technical field
This utility model belongs to drive and control of electric machine field；More particularly, to a kind of permagnetic synchronous motor ac-dc axis inductance measurement
Device.
Background technology
Permagnetic synchronous motor ac-dc axis inductance is that voltage decoupling control, torque estimating and the assessment of motor steady-state behaviour must not
The |input paramete that can lack, but these parameters are often difficult to obtain in user's manual.In order to realize to permagnetic synchronous motor more
Good control, before permagnetic synchronous motor is controlled, needs the inductance parameters of permagnetic synchronous motor are recognized.
The method of the existing inductance parameters identification to permagnetic synchronous motor has direct load method, voltage integration and direct current
Multiple discrimination method such as damped method.Wherein voltage integration principle is simple and convenient to operate, thus application is more extensive.But should
Method must be using this special equipment of fluxmeter it is contemplated that the practical situation of current laboratory and working site, and this practicality
New proposition a kind of using new permagnetic synchronous motor ac-dc axis inductance measurement device, without using fluxmeter, this special sets
For it is also possible to realize the purpose of measurement.
Utility model content
The purpose of this utility model is to provide a kind of permagnetic synchronous motor ac-dc axis inductance measurement device, and this device can be real
The now measurement to permagnetic synchronous motor ac-dc axis inductance, method is simple and efficient, be not required to the special test equipments such as fluxmeter it is easy to reality
Apply.
For solving above-mentioned technical problem, this utility model employs the following technical solutions and solves the above problems.
This utility model permagnetic synchronous motor ac-dc axis inductance measurement device includes：Permagnetic synchronous motor d-axis inductance measurement
Device and permagnetic synchronous motor quadrature axis inductance measurement device.
Wherein, for permagnetic synchronous motor d-axis inductance measurement device, biphase to V, W of armature winding short circuit is total to U phase
With constituting a winding network, wherein U end is connected with one end of resistance R3 by electric current Table A, and the other end of electric current Table A passes through
Switch S is connected with DC source E positive pole, DC power cathode and resistance R4, R2 ', R2 " one end be connected, R2 ', R2 " another
End is connected with V, W end of winding network, and the other end of R4 is connected with R3, voltage Table V and voltage collecting device (as oscillograph) phase
After parallel connection, an end is connected at the wiring of R3 and R4, another terminates to R2 ', R2 " and the wiring at winding network V, W end at；
Permagnetic synchronous motor quadrature axis inductance measurement device, the U phase of armature winding is disconnected, and V, W are biphase to constitute a winding
Network, wherein V end are connected with one end of R3 by electric current Table A, and the other end of electric current Table A passes through just switching S and DC source E
Extremely connected, DC power cathode and resistance R4, R2 ', R2 " one end be connected, R2 ', R2 " other end and winding network W end phase
Even, the other end of R4 is connected with R3, and after voltage Table V and voltage collecting device are in parallel, an end is connected at the wiring of R3 and R4, separately
One end is connected to R2 ', R2 " and the wiring at winding network W end at.
Brief description
Fig. 1 is permagnetic synchronous motor d-axis inductance measurement device circuit diagram；
Fig. 2 is permagnetic synchronous motor quadrature axis inductance measurement device circuit diagram；
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to this utility model, the permanent magnet synchronous electric of the present invention
Machine ac-dc axis inductance measurement device includes：Permagnetic synchronous motor d-axis inductance measurement device and permagnetic synchronous motor quadrature axis electrical sensing
Amount device.
As shown in figure 1, permagnetic synchronous motor d-axis inductance measurement device, specifically include：DC source E, switch S, fixation
Resistance R3, R4, variable resistance R2 ', R2 ", armature winding, electric current Table A, voltage Table V and voltage collecting device (as oscillograph) group
Become；Annexation is：By biphase to V, W of armature winding short circuit, collectively form a winding network with U phase, electricity is passed through at wherein U end
Flow table A is connected with one end of resistance R3, and the other end of electric current Table A is passed through switch S and is connected with DC source E positive pole, unidirectional current
Source negative pole and resistance R4, R2 ', R2 " one end be connected, R2 ', R2 " the other end be connected with V, W end of winding network, R4's is another
One end is connected with R3, and after voltage Table V and voltage collecting device (as oscillograph) are in parallel, an end is connected at the wiring of R3 and R4,
Another terminate to R2 ', R2 " and the wiring at winding network V, W end at；
As shown in Fig. 2 permagnetic synchronous motor quadrature axis inductance measurement device, specifically include：DC source E, switch S, fixation
Resistance R3, R4, variable resistance R2 ', R2 ", armature winding, electric current Table A, voltage Table V and voltage collecting device (as oscillograph) group
Become；Annexation is：The U phase of armature winding is disconnected, V, W are biphase to constitute a winding network, and electric current Table A is passed through at wherein V end
Be connected with one end of R3, the other end of electric current Table A is passed through to switch S and is connected with DC source E positive pole, DC power cathode with electric
Resistance R4, R2 ', R2 " one end be connected, R2 ', R2 " other end is connected with the W end of winding network, the other end of R4 is connected with R3, electric
Pressure Table V and after voltage collecting device is in parallel, an end is connected at the wiring of R3 and R4, another terminates to R2 ', R2 " and around networking
At the wiring at network W end.
Permagnetic synchronous motor ac-dc axis inductance measurement device of the present utility model, instead of fluxmeter using oscillograph,
It is not required to the special equipments such as fluxmeter, be more easy to realize.Experiment confirms accuracy, reliability and the convenience proposing this measurement apparatus
Property.
Claims (2)
1. a kind of permagnetic synchronous motor ac-dc axis inductance measurement device it is characterised in that：Including permagnetic synchronous motor d-axis inductance
Measurement apparatus and permagnetic synchronous motor quadrature axis inductance measurement device；Wherein：
A. permagnetic synchronous motor d-axis inductance measurement device, specifically includes：DC source E, switch S, fixed resistance R3, R4, can
Change resistance R2 ', R2 ", armature winding R1, electric current Table A, voltage Table V and voltage collecting device composition；Annexation is：By armature
The biphase short circuit of V, W of winding, collectively forms a winding network with U phase, and one end of electric current Table A and resistance R3 is passed through at wherein U end
It is connected, the other end of electric current Table A is passed through to switch S and is connected with DC source E positive pole, DC power cathode and resistance R4, R2 ',
One end of R2 " is connected, R2 ', R2 " the other end be connected with V, W end of winding network, the other end of R4 is connected with R3, voltage Table V
After being in parallel with voltage collecting device, an end is connected at the wiring of R3 and R4, another terminates to R2 ', R2 " and winding network V, W
At the wiring at end；
B. permagnetic synchronous motor quadrature axis inductance measurement device, specifically includes：DC source E, switch S, fixed resistance R3, R4, can
Change resistance R2 ', R2 ", armature winding R1, electric current Table A, voltage Table V and voltage collecting device composition；Annexation is：By armature
The U phase of winding disconnects, and V, W are biphase to constitute a winding network, and wherein V end is connected with one end of R3 by electric current Table A, electric current
The other end of Table A is passed through to switch S and is connected with DC source E positive pole, DC power cathode and resistance R4, R2 ', R2 " one end phase
Even, R2 ', R2 " other end is connected with the W end of winding network, and the other end of R4 is connected with R3, voltage Table V and voltage collecting device
After being in parallel, an end is connected at the wiring of R3 and R4, another terminates to R2 ', R2 " and the wiring at winding network W end at.
2. a kind of permagnetic synchronous motor ac-dc axis inductance measurement device described in claim 1 it is characterised in that：Described voltage
Harvester can be selected for oscillograph.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923257.9U CN205992024U (en) | 2016-08-23 | 2016-08-23 | A kind of permagnetic synchronous motor ac-dc axis inductance measurement device |
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| CN201620923257.9U CN205992024U (en) | 2016-08-23 | 2016-08-23 | A kind of permagnetic synchronous motor ac-dc axis inductance measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199208A (en) * | 2016-08-23 | 2016-12-07 | 金陵科技学院 | A kind of permagnetic synchronous motor ac-dc axis inductance measurement device and method |
-
2016
- 2016-08-23 CN CN201620923257.9U patent/CN205992024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199208A (en) * | 2016-08-23 | 2016-12-07 | 金陵科技学院 | A kind of permagnetic synchronous motor ac-dc axis inductance measurement device and method |
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