Electric vehicle OBC DCDC test system form EA Elektro-Automation

Electric vehicle OBC DCDC test form EA Elektro-Automation，Used in Volkswagen, Siemens and other Tire1.
Support test items:
1) On board charger test:
I / O characteristic test
Efficiency test
Power factor test
Power test
Voltage and current test
Harmonic current test
Static test
Ripple test
Output voltage and current test
Power effect test
Input voltage error test
Input current error test
Power off test
Input power off test
Input power disturbance test
Grid disturbance test
Input voltage frequency limit test
Input voltage frequency range test (including input voltage range)
Output test:
Load effect test
Output voltage error test
Output current error test
Output voltage range test
Output voltage range test
Pressure limiting characteristic test
Pressure limiting characteristic test
Current limiting characteristic test
Current limiting characteristic test
Mixed effect test
Voltage stabilization accuracy test
Steady current accuracy test
Output response time
Output voltage response time
Protection test:
Input voltage overvoltage and undervoltage test
Input undervoltage protection test
Input overvoltage protection test
Output voltage overvoltage and undervoltage test
Output voltage undervoltage protection test
Output voltage overvoltage protection test
Short circuit protection test
Short circuit protection test (optional before and during short circuit)
Communication interruption protection test
Communication interruption protection test
Reverse connection protection test
Reverse connection protection test
Communication parameter configuration error protection test
Parameter error protection test
Over temperature protection
Temperature protection test (communication with environment box)
sequential
Boot test
Starting impulse current test
Overshoot voltage test
Steady state current
Power on time
Power Down
Shutdown time
Special tests:
Start up reliability test
Start up reliability test
(2) Control guidance test project
Test items of vehicle interface / power supply interface
Test item categories
Test item
Test notes
Connection test
CC detection
Including CC connection and detection, 10a, 16a, 32A full connection half connection test.
CP detection
Simulate PWM duty cycle change to test different CP output voltage values.
CC / CP / wake up test
Check whether the charger reads back the corresponding can message (selective test)
CC / CP / sleep test
CC, CP connection initialization
CC, CP initialization settings
Normal stop charging test
Simulate two normal stop charging modes and test the feedback state
Abnormal stop charging test
Stop charging when simulating abnormal charging and test obcm status
(3) DC-DC converter test:
Test item categories
System test items
Test notes
Input test:
I / O characteristic test
Efficiency test
Peak power test
Power effect test
Input source jump test (stabilized voltage accuracy)
Input voltage range test
Input voltage range test
Rated power test
Rated power test
Output test:
Load effect test
Load jump test (stabilized voltage accuracy)
Output voltage range test
Output voltage range test
Mixed effect test
Source load jump test (voltage stabilization accuracy)
Output current limiting test
Output current limiting test
Dynamic response time test (manual test)
Load rate response time
Protection test:
Input overvoltage test
Input overvoltage point test
Input undervoltage test
Input undervoltage point test
Output overvoltage test
Output overvoltage point test
Output undervoltage test
Output undervoltage point test
Input reverse connection test
Input terminal reverse connection test
Output short circuit test
Output overcurrent / overload test
Timing:
Boot test
Power on time test
Rise time test
Overcharge voltage test
Inrush current test
Power Down
Shut Down Time
Descent time test
Special tests:
Enable control range
Enable voltage range test
Dark current test
Output dark current test
Communication test
Communication control test
Communication function test
(4) Test items of bidirectional OBC inverter
Test item
System test items
Other:
Resistive load mode
Output test
Output voltage accuracy test
Power effect test (including power mutation)
Load effect test
Efficiency test
Report current accuracy test
Output frequency and waveform test
Starting current
Output over-current test (load unlimited pull load)
Sudden change of output load
Short circuit test
Protection test
Input undervoltage and overvoltage test
Power grid quality
Harmonic content test
Inductive load mode
Output test
Output voltage accuracy test
Power effect test
Load effect test
Efficiency test
Report current accuracy test
Protection test
Input undervoltage and overvoltage test
Power grid quality
Harmonic content test