CN
Verification AdvantagesProduction ManagementDevelopment Process
Leading Verification
  • General and safety tests
    Mechanical strength of controller casing Sealing of cooling circuit Water resistance of cooling circuit Cold state DC resistance of stator winding Airtightness test Insulation resistance Voltage resistance Safe grounding Over-speed test Active discharge time Passive discharge time Protective function
  • Electric load test
    Voltage range of DC power supply Long-term overvoltage test Short-term overvoltage test Superimposed AC voltage Slow drop and rise of power supply voltage Instantaneous drop of supply voltage Reset characteristic Reverse voltage test Single-line disconnection Multi-line disconnection Signal short-circuit test
  • Performance test
    Operating voltage range Torque-speed characteristic Temperature rise Peak torque and power Continuous torque and power Locked-rotor torque Maximum operating speed No-load back electromotive force Efficiency and high efficiency zone Speed controller accuracy Torque control accuracy Speed response time Torque response time Continuous operating current of controller Short time operating current of controller Maximum operating current of controller Feed characteristics
  • Environmental reliability test
    High- and low-temperature storage High- and low-temperature operation Temperature cycling Temperature shock Damp heat cycle Constant damp heat Temperature gradient Frequency sweep vibration Random vibration Mechanical shock Salt spray test Protection class IP67/IP68/IPX9K Reliability and durability test
  • Other tests
    EMC NVH
Workshop Validation

  • Introduction to production line and workshop

    Our production line is a plane circulation type automated assembly line, and Kilews electric screwdrivers are used to collect process torque data, etc.

  • Test bench

    Rated power: ≤60kW

    Peak power: ≤120kW

    Peak time: ≤60S

    Test time: 8-10min

    Torque range: ≤500N·m

    Speed range: ≤12,000rpm




  • Circuit board aging room


    Operating temperature: room temperature ~ 110°C

    Heating power: 54kW

    Temperature fluctuation: blasting

    Power: 0.75kW

    Temperature control mode: intelligent control

    Test time: 48h


  • Leakage detector

    Test item: water channel airtightness detection

    Test item: complete-unit airtightness detection

    Test time: 2-3min


  • Functional testing cabinet

    Test item: rotary transformer test

    Test item: IO test

    Test item: voltage and current

    Test item: vehicle communication test

    Test time: 2-3min


  • Dynamometer bench

    Rated power: 250kW

    Rated torque: 500N·m

    Peak speed: 16,000rpm

    Power supply: 24V~1,200V

    Test chamber temperature: -50°C~150°C

    Cooling water temperature: 10°C~90°C



  • Insulation and voltage resistance tester

    Resistance test: 20mΩ-20kΩ

    Test speed: 2.5-10 times/second

    Accuracy: ± 0.1% + 2

    Display mode: resistance value or percentage

    Test time: 1min