Brushless Motor Stator Testing Machine

Brushless DC motor Stator Testing Machine Quality Analysis WIND-DTS

1. Advantage

1) Fast clamping fixture can be fitted for 3 terminal wires

2) Pneumatic fixutre is widely used to test 3 terminal wires or 6 end wires

2.Testing item: all the testing items can be conducted alone or together.

1)DC resistance test

Testing range:0.01W - 1000W

Testing loop:6 loop(scalable)

Tolerance:±0.5 %

Testing method:Four points, with auto ambient temperature correction function

2)Inductance test(including 3 phase balance test)

Testing range:10mH – 500mH

Testing loop:6 loop(scalable)

Tolerance: ±2.5%

Testing method:Four points

3)Turn to turn insulation

Pulse high voltage: 100V-3000V (100V / step)

Pulse peak: 0.5msec

Sampling frequency: 1-40 MHZ

Testing loop:6 loop(scalable)

Tolerance: ±2.5%

Judging method: area difference judgment (sensitive to inductance and energy loss)

Standard waveform is White,OK waveform is Green, NG waveform is Red

4)Insulation resistance

Voltage:DC500V /1000V

Testing time:1-10s(adjustable)

Judging range:1-1000 MW

Tolerance: ±2.5%

5)Interphase insulation

Voltage:DC500V /1000V

Testing time:1-10s(adjustable)

Judging range:1-1000 MW

Tolerance: ±2.5%

6)Interphase hipot

Voltage:AC100-3000V (100V/step)

Testing time:1-10s(adjustable)

Judging range:0.1 mA -- 20 mA

Tolerance: ±2.5%

7)Hipot(with arc detection)

Voltage:AC100-3000V (100V/step)

Testing time:1-10s(adjustable)

Judging range:0.1 mA -- 20 mA

Tolerance: ±2.5%

8)Balance of resistance

Test method: DC resistance sampling

Testing time:0.1s

Judging method:percentage method adopted to judge the difference of DC resistance between windings.

3.Testing time

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