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The specific test information is as followings:
1. Insulation resistance test:
@500v, 10 sec
—
Resistance
>
10MΩ
2. Puncture test
:
@2,5kV AC, 60 sec---Current
<
20mA
LOW
HIGH
TEST
Grounding Point
OUT+
Insulation Resistance Test, Puncture Test
Grounding Point
OUT-
Grounding Point
BAT+
Grounding Point
QLI-3
Grounding Point
QLI-2
Grounding Point
BATT-
OUT+
OUT-
Puncture Test
BAT+
QLI-2
BAT-
QLI-3
3. Each cabinet Grounding Impedance
<
0.2
Ω
LOW
HIGH
Grounding Rail
PDU cover
Grounding Rail
Metal frame cabinet 1
Grounding Rail
Metal frame cabinet 2
Grounding Rail
Metal frame cabinet 3
Grounding Rail
Metal frame cabinet 4
Grounding Rail
Metal frame inverter cabinet
7.4.2
Connect the rest modules
•
Screwing the connectors/bus bar with same methods. Apply the torque of 18 N·m, and draw
a red mark. (See Figure55)
•
Put on the terminal cover. (See Figure56)
Figure55
Figure56