CN207352073U - A kind of permanent magnet synchronous motor dq axle inductance test devices - Google Patents
A kind of permanent magnet synchronous motor dq axle inductance test devices Download PDFInfo
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- CN207352073U CN207352073U CN201721354588.6U CN201721354588U CN207352073U CN 207352073 U CN207352073 U CN 207352073U CN 201721354588 U CN201721354588 U CN 201721354588U CN 207352073 U CN207352073 U CN 207352073U
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- permanent magnet
- magnet synchronous
- synchronous motor
- measured
- axle
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Abstract
It the utility model is related to permanent magnet synchronous motor parameter testing field, specially a kind of permanent magnet synchronous motor dq axle inductance test devices, it can conveniently measure dq axle inductances, it includes permanent magnet synchronous motor to be measured, it is characterized in that, permanent magnet synchronous motor to be measured connects driving motor by shaft coupling, drive motor connection servo controller, any the two of permanent magnet synchronous motor to be measured are connected DC power supply and LCR testers, LCR testers connect PC machine, memory module and CPU module are provided with PC machine, memory module is used to store the inductance value measured, CPU module obtains d axle inductances and q axle inductances to measuring inductance value curve fit process.
Description
Technical field
Permanent magnet synchronous motor parameter testing field is the utility model is related to, is specially a kind of permanent magnet synchronous motor dq axle inductances
Test device.
Background technology
Permanent magnet synchronous motor is the synchronous motor that synchronous rotary magnetic field is produced by permanent magnet excitation, and permanent magnet is produced as rotor
Raw rotating excitation field, threephase stator winding, by armature-reaction, sense three-phase symmetrical electric current under rotating excitation field effect.
, it is necessary to test dq axle inductances in actual application, since inductance is worked in permanent magnet synchronous motor
Change constantly in journey, the apparatus structure that can be tested at present is excessively complicated, and test is very inconvenient.
The content of the invention
To solve the above-mentioned problems, the utility model provides a kind of permanent magnet synchronous motor dq axle inductance test devices, its
Dq axle inductances can conveniently be measured.
Its technical solution is such：A kind of permanent magnet synchronous motor dq axle inductance test devices, it is same that it includes permanent magnetism to be measured
Walk motor, it is characterised in that the permanent magnet synchronous motor to be measured connects driving motor, the driving motor connection by shaft coupling
Servo controller, any the two of the permanent magnet synchronous motor to be measured is connected DC power supply and LCR testers, the LCR tests
Instrument connects PC machine, and memory module and CPU module are provided with the PC machine, and the memory module is used to store the inductance measured
Value, the CPU module obtain d axle inductances and q axle inductances to measuring inductance value curve fit process.
Using the test device of the utility model, by means of DC power supply and LCR testers, multigroup real time data is measured,
D axle inductances and q axle inductances can obtain according to the sine curve obtained after curve matching, it is simple and convenient.
Brief description of the drawings
Fig. 1 is one schematic diagram of the utility model embodiment；
Fig. 2 is two schematic diagram of the utility model embodiment.
Embodiment
Described in detail below according to two specific embodiments：
As shown in Figure 1, a kind of permanent magnet synchronous motor dq axle inductance test devices, it includes permanent magnet synchronous motor 1 to be measured, treats
Survey permanent magnet synchronous motor 1 and driving motor 4 is connected by shaft coupling 3, driving motor 4 connects servo controller 5, it can be ensured that test
When reliability, the A phases of permanent magnet synchronous motor 2 to be measured are connected DC power supply 6 and LCR testers 7 with B, LCR testers
7 connect PC machine 2, and memory module 8 and CPU module 9 are provided with PC machine 2, and memory module 8 is used to store the inductance value measured, CPU
Module 9 obtains sine curve to measuring inductance value curve fit process, if sinusoidal maximum is X, minimum value Y, d
Axle inductance value is X, and q axle inductances value is Y.
As shown in Figure 2, a kind of permanent magnet synchronous motor dq axle inductance test devices, it includes permanent magnet synchronous motor 1 to be measured, treats
Survey permanent magnet synchronous motor 2 and driving motor 4 is connected by shaft coupling 3, driving motor 4 connects servo controller 5, it can be ensured that test
When reliability, the A phases of permanent magnet synchronous motor 2 to be measured are connected DC power supply 6 and LCR testers 7 with C, LCR testers
7 connect PC machine 8, and memory module 9 and CPU module 10 are provided with PC machine 8, and memory module 9 is used to store the inductance value measured,
CPU module 10 obtains sine curve to measuring inductance value curve fit process, if sinusoidal maximum is X, minimum value is
Y, d axle inductance value are X, and q axle inductances value is Y.
Claims (1)
1. a kind of permanent magnet synchronous motor dq axle inductance test devices, it includes permanent magnet synchronous motor to be measured, it is characterised in that described
Permanent magnet synchronous motor to be measured by shaft coupling connect driving motor, it is described driving motor connection servo controller, it is described it is to be measured forever
Any the two of magnetic-synchro motor are connected DC power supply and LCR testers, and the LCR testers connect PC machine, in the PC machine
Memory module and CPU module are provided with, the memory module is used to store the inductance value measured, and the CPU module is to measuring electricity
Inductance value curve fit process obtains d axle inductances and q axle inductances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354588.6U CN207352073U (en) | 2017-10-20 | 2017-10-20 | A kind of permanent magnet synchronous motor dq axle inductance test devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721354588.6U CN207352073U (en) | 2017-10-20 | 2017-10-20 | A kind of permanent magnet synchronous motor dq axle inductance test devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207352073U true CN207352073U (en) | 2018-05-11 |
Family
ID=62355754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721354588.6U Active CN207352073U (en) | 2017-10-20 | 2017-10-20 | A kind of permanent magnet synchronous motor dq axle inductance test devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207352073U (en) |
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2017
- 2017-10-20 CN CN201721354588.6U patent/CN207352073U/en active Active
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