Inverter- Reliability Test

Item

temperature

time

other

Initial test at normal temperature

25 ℃

TIME≥2 hours

-

Low temperature initial test

0 ℃ or -5 °C

TIME≥2 hours

-

High temperature initial test

60℃

TIME≥2 hours

-

High temperature and high humidity test

40℃/95%RH

240 hours

-

High temperature storage test

70℃

TIME≥96 hours or 240 hours

-

Low temperature storage test -1

-20°C

TIME≥96 hours

-

Low temperature storage test -2

-40℃

240 hours

-

High temperature and high humidity storage test

40℃/90%RH

TIME≥96 hours

-

Temperature cycle test

-20℃~ 70℃

5 cycle

Room temperature ↓-20 ℃(4 hours)↓ Room temperature (90%RH.4 hours)↓70°C(4 hours)↓ Room temperature (4 hours)

High temperature load test

55 ℃

equivalent load, 1,000 hours

-

Life test

40°C

MTBF≥40000 hours

-

on/off test (power cycle)

-

-

1min:on, 1min:off, 5,000 cycles using equivalent load

Vibration test

-

-

Acceleration 3q, frequency 10~55HZ, X, Y, Z three directions 10 minutes each, a total of 30 minutes

Impact test

-

-

Acceleration of 80g, 10 ms each time, Three times in X, Y, Z directions

Note 1: The tested module should be placed at normal (15~35° C,45~65%RH) for one hour before testing