Huawei SUN2000-M3 User Manual

Symbol Name Description
SUN2000 serial
number
Indicates the serial
number.
SUN2000 Wi-Fi login
QR code
Scan the QR code to
connect to the Huawei
SUN2000 Wi-Fi
network.
2.4 Working Principles
2.4.1 Circuit Diagram
A SUN2000 can connect to a maximum of eight PV strings and has four MPPT
circuits inside. Each MPPT circuit tracks the maximum power point of two PV
strings. The SUN2000 converts DC power into single-phase AC power through an
inverter circuit. Surge protection is supported on both the DC and AC sides.
Figure 2-5 Schematic diagram
2.4.2 Working Modes
The SUN2000 can work in Standby, Operating, or Shutdown mode.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 2 Overview
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 18

Huawei SUN2000-M3 Specifications

General

Type	String Inverter
Rated AC Grid Frequency	50 Hz / 60 Hz
DC Connection Type	MC4
Protection Degree	IP65
Cooling Method	Natural convection
Category	Inverter
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)	≤ 3 %
Operating Temperature Range	-25°C to 60°C
Communication	RS485
Efficiency	98%
Protection Level	DC reverse polarity protection, AC overcurrent protection, AC short-circuit protection, Overvoltage protection, Insulation monitoring, Residual current monitoring unit, Arc fault detection