Huawei SUN2000 User Manual page 13

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
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Networking Application
The SUN2000 applies to a residential rooftop grid-tied system. Typically, a grid-tied system
consists of the PV string, grid-tied inverter, power distribution unit (PDU), and electricity
meter.
Figure 2-2 Networking application (dashed boxes indicate optional components)
Issue 01 (2018-05-21)
Meaning
Power
Topology
Region
Design code
 indicates the power flow direction.
signal flow.
 SUN2000-3.8KTL-USL0/SUN2000-5KTL-USL0/SUN2000-7.6KTL-USL0 supports two PV string
inputs. SUN2000-9KTL-USL0/SUN2000-10KTL-USL0/SUN2000-11.4KTL-USL0 supports three
PV string inputs. Two PV string inputs are used as an example.

The autotransformer is used only when there is 120 V load and the power gird is 240/120 split phase
or 240 delta shown in Figure
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Description
 3.8K: The power level is 3.8 kW.

5K: The power level is 5 kW.

7.6K: The power level is 7.6 kW.
 9K: The power level is 9 kW.
 10K: The power level is 10 kW.
 11.4K: The power level is 11.4 kW.
TL: transformerless
US: the U.S.
L0: residential
indicates the signal cable.
2-3.
2 Product Overview
indicates the
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