Huawei SUN2000-20KTL - 5.2 Connecting AC Output Power Cables

SUN2000 (8KTL-28KTL)
User Manual
5 Electrical Connections
Issue 07 (2014-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
45
5.2 Connecting AC Output Power Cables
Connect the SUN2000 to the AC power distribution frame (PDF) or power grid over AC input
power cables.
Prerequisites
An independent there-phase circuit breaker for each inverter must be installed at the output
side to ensure that the inverter can be securely disconnected. See 10 Technical Specifications
to select the specifications of breaker.

It is not allowed for several inverters to use the same circuit breaker.

It is not allowed to connect loads between inverter and circuit breaker.
Context
Huawei recommends a soft cable for ease of installation. The outer diameter of the conductor
should be less than or equal to 4.2 mm. Table 5-1 lists the specifications.
Table 5-1 Recommended AC output power cable specifications
Inverter
Model
Cable Type
Cross-sectional Area
(mm
2
)
External Cable Diameter (mm)
Range
Recommended
Value
Range
Recommended
Value
Range
Recommended
Value
SUN2000
-8KTL

4-core
outdoor
cable (3+N)

5-core
outdoor
cable
(3+N+PE)
4-core outdoor
cable (3+N)
4–10
(12AWG–
8AWG)
4 (12AWG)
11–20
NOTE

When the outer
cable diameter
ranges from 11
mm to 13 mm,
add cable
clamps.

When the outer
cable diameter
ranges from 16
mm to 20 mm,
strip a seal ring
from the cable
sealing cover
interior.

When the outer
diameter of an
armored cable
exceeds 20 mm,
strip the jacket
and armored
layer and take
waterproof and
15
SUN2000
-10KTL
SUN2000
-12KTL
SUN2000
-15KTL
6–10
(10AWG–
8AWG)
6 (10AWG)
SUN2000
-17KTL
SUN2000
-20KTL
SUN2000
-23KTL
SUN2000
-24.5KTL

3-core
outdoor
3-core outdoor
cable