Sungrow SG60KTL, Руководство пользователя

Страница: 43 / 100

User Manual 6 Electrical Connection
33
Cross-section of the AC cable (mm
2
) Max. length of the AC cables (m)
25 0-50
35 50-100
50 >100
Step 4
Select the adaptive wire diameter of AC cable gland according to actual AC cable
diameter. Remove or install the two AC cable glands on the bottom of the device by
torque of recommended value.

Remove or install the smaller AC cable gland by torque of 12…13 N

m.

Remove or install the larger AC cable gland by torque of 16…17 N

m.
Peel the plastic film on one end of the AC cable gland with proper tools
before AC cable connection. Only the AC cable gland itself needs to be
replaced; other accessories (packing nuts) can still be used.
Step 5 Fix the AC cable to the corresponding terminals with torque shown in the follow two
tables.
Tab. 6-1 Screw tightening torque
Cable section(mm
2
)
Screw tightening torque(N

m)
Min Max
26.7~42.3 9.8 13.6
53.5~67.4 11.9 16.3
70~107 15.8 22.6
127~177 19.8 29.4
The table values are to used for the following cable type:
1. Copper stranded(including sector);
2. aluminum solid(including sector);
Tab. 6-2 Screw tightening torque
Cable section(mm
2
)
Screw tightening torque(N

m)
Min Max
26.7~42.3 7.9 10.8
53.5~67.4 9.5 13.0
70~107 12.7 18.1
127~177 15.8 23.5
The table values are to used for the following cable type:
1. aluminum stranded;
Step 6 Pull the cable gently to make sure it is secured.