| Computer-controlled automotive motor test bench speed, load test |
Generator test bench
The test system consists of test power supply, power switch cabinet, signal sensing device and power measurement equipment, automated test measurement unit and control console and AC motor test software system, database system and other components. The load equipment in the type test can be selected according to the user's requirements to accompany the test motor (including DC generator, AC generator, wire-wound rotor motor), eddy current dynamometer, magnetic particle dynamometer, magnetic particle brake and other equipment to meet the needs of different motor type test.
Can be used to test alternators and starter motors in a variety of vehicles (cars, trucks, buses, tractors, excavators, etc.)
Measurement method: using microcomputer measurement
Measuring cabinet is equipped with current and voltage sensors, and the intermediate link adopts signal conditioning interface module, which is used by the computer to complete the signal acquisition and measurement tasks.
Test items:
Users can choose the following test items according to their requirements:
Ambient temperature measurement
Insulation resistance measurement
DC resistance measurement (calculation of three-phase resistance imbalance)
Industrial frequency withstand voltage test
Turn-to-turn withstand voltage test
No-load test (calculation of three-phase current unbalance)
Blocking test
Load test
Efficiency test
Temperature rise test.
The system completes the measurement and calculation of voltage measurement, current measurement, power factor measurement, power measurement, reactive power measurement, efficiency measurement, frequency measurement, output torque, output speed, output power and temperature rise.
Main technical parameters:
1, no-load, plugging, loading test, temperature rise:
Current measurement accuracy: 0.2%FS±3d
Voltage measurement accuracy: 0.2%FS±3d
Power measurement accuracy: 0.5%FS±3d
Current imbalance calculation: 0.1%FS±3d
Temperature measurement accuracy: 0.5%±2d
Speed measurement accuracy: 0.2%FS±3d
Torque measurement accuracy: 0.2%FS±3d
2,Industrial frequency withstand voltage test:
High-voltage voltage: 0~30000V adjustable
High-voltage current: 0~3000mA
Turn-to-turn impact withstand voltage test: 0~30,000V adjustable
3, turn-to-turn impact withstand voltage test:
Peak voltage: <30000V, adjustable
Wave front time: <0.5us, adjustable
4,Insulation resistance measurement
Measuring range: <1000MΩ
Measuring accuracy: 5%FS±5d
5,DC resistance measurement:
Measuring current: <10A
Measuring resistance: 0~200Ω
Minimum resolution: 1uΩ
Resistance unbalance calculation: 0.1%FS±3d
Measurement accuracy: 0.2%FS±3d
){kind=link}