Huawei SUN2000-3.8KTL-USL0 - Page 13

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
2 Product Overview
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
6
No.
Meaning
Description
2
Power

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.
3
Topology
TL: transformerless
4
Region
US: the U.S.
5
Design code
L0: residential
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)

indicates the power flow direction. indicates the signal cable. indicates the
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 2-3.