Hyundai J300 series Instruction Manual page 82

J300 INSTRUCTION MANUAL
5
Conduct these tests by short circuiting the terminals as shown below, and by following the
conditions described.
In regard to insulation resistance tests, measure the terminals below and the grounding
at 500VDC, and make sure that 5
Do not perform the withstand voltage test. When it should be done. in regard to withstand voltage tests, supply the
terminals below and the grounding with 1500VAC(200V class)
2000VAC(400V class) for one minute, and make sure that there are no abnormalities.
Do not perform the withstand voltage test and withstand voltage tests for terminals other than
those indicated below.
Increase or decrease the applied voltage for the withstand voltage test slowly and turn the
equipment 0V again.
(L2)
(RB) (L1) (L3)
RB R S T
Megohm-meter
Remove the ZNR connecting between G(PE) to T(L3) terminal before conducting the
tests. After tests, be sure to attach the ZNR again.
(L1)
RB R
NOTE 1 : If the inverter is used under high temperature and heavy load conditions, its operating life
will be significantly reduced.
NOTE 2 : If the inverter has been stored for three years ro more, apply the following conditions.
Apply 80% of the rated voltage of the capacitor for 1 hour at normal temperature.
Increase the voltage to 90% and apply it for 1 hour.
Apply the rated voltage for 5 hours.
NOTE 3 : Precautions in handling printed-circuit boards.
When maintenance and inspection of printed-circuit boards is necessary, be sure to follow
the precautions below.
Prevent damage caused by static electricity. The IGBT of the inverter module, the MCUs
and ICs on a printed-circuit board can be destroyed by static electricity, so be sure to
ground work benches, soldering irons, and yourself before working on printed-circuit
board.
or greater is indicated.
(T1)
(+1) (+) (-)
PD P N U
(L2)
(L3) (+1)
S
T PD
Insulation Resistance Tests and Withstand Voltage Tests
Applied
voltage
(T2) (T3)
V W
¡ê
0.1sec. or more
(T1)
(+) (-)
U
P N
Bad example
Good example
Time
¡ê
0.1sec. or more
ZNR
(T2) (T3) (PE)
V W
Time
G