Automatic-Stator-Testing-Machine-for-Bosch-Alternator

Product Description

Automatic Stator Testing Machine for Bosch Alternator 

This testing machine can work as a stand-alone machine or integrated into a production line. 
All the below testing items can be conducted alone or together.  

Testing item:     

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.