Electric Vehicle Motor Testing Equipment Stator Winding Resistance Test
Stator Testing Machine Of Electric Vehicle Automotive Motor / EV Motor
1. Test item and specification
1.1 Safety performance: AC Hipot (winding to iron core, PT resistance to winding), insulation resistance (winding to iron core, PT resistance to winding)
1.2 Function performance: surge insulation resistance, DC resistance (winding to windings, PT resistance), inductance (motor windings)
1.3 Test station: Two station
1.4 Test object: Electrical vehicle (EV) motor stator
2. Technical parameters
2.1 Insulation resistance
| output voltage setting range/precision | DC 500V/1000V ±(1.5%×setting value+10V) |
| insulation resistance testing range/precision |
1～500MΩ ≤100MΩ:±(3%×display value+0.5MΩ); >100 MΩ:±(5%×display value+5MΩ) |
| insulation resistance alarm setting range | Max: 0～500MΩ; Min: 1～500MΩ |
| test time range/resolution | 0.5～999.9s 0.1s/step |
2.2 Surge
| output voltage setting range/precision | 500～5000V ±(3%×display value+8V) |
| sampling frequency | 100MHz |
| waveform comparison |
area, area difference, corona, phase three waveforms will be displayed on the testing interface |
2.3 DC winding resistance
| measuring range and precision | 10.0mΩ～20KΩ ±(0.3%×display value+3 words) temperature compensation can be set |
| test time range/resolution |
0.5～999s 0.1s/step
|
| temperature compensation | Yes |
| temperature probe/measuring range | DS18b20 -10.0℃~+50.0℃ |
| precision | ±0.5°C(range: -10℃~+50℃) |
2.4 Hipot
| output voltage setting range/precision | AC 500～5000V ±(1.5%×setting value+10V) |
| breakdown current testing range/precision | 0.10～20.00mA ±(2%×display value+0.05mA) |
| breakdown current presetting alarm range | Max: 0.10～20.00mA; Min: 0.00～20.00mA |
| test time range/resolution | 0.5～999.9s 0.1s/step |
| arc detection | 0~9 grade |
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