GB/T 39572.1-2020: Bi-directional grid-connected power converters - Part 1: General requirements

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Scope

This Part of GB/T 39572 specifies general aspects of bi-directional grid-connected
power converters (GCPC), consisting of a grid-side inverter with two or more types of
DC-port interfaces on the application side with system voltages not exceeding 1 000 V
AC or 1 500 V DC. In special cases, a GCPC will have only one DC-port interface,
which is connected to a bidirectional energy-storage device. This document includes
terminology, specifications, performance, safety, system architecture, and test-case
definitions. The "system architecture" defines interaction between the inverter and
converters. Requirements which are common, general, and independent of special
characteristics of individual generators and bi-directional storages are defined in this
Part.
This Part does not cover uninterruptible power supply (UPS) systems, which fall under
the scope of IEC 62040 (all parts). Requirements for internal and external digital
communication might be necessary; the interface requirements including
communication with distributed energy resources are provided in a future part of GB/T
39572.All EMC requirements are defined by reference to existing IEC standards.
External communication requirements are out of scope of this Part.
Note. The control signal from the grid is not defined in this Part.

Basic Data

Standard ID	GB/T 39572.1-2020 (GB/T39572.1-2020)
Description (Translated English)	Bi-directional grid-connected power converters - Part 1: General requirements
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K46
Classification of International Standard	29.200
Word Count Estimation	37,367
Date of Issue	2020-12-14
Date of Implementation	2021-07-01
Quoted Standard	GB/T 3859.4-2004; IEC 60038-2009; IEC 61000-3-2-2014; IEC 61000-3-12-2011; IEC 61727-2004; IEC 62040-3-2011; IEC 62109-1-2010; IEC 62477-1-2012; IEC 62477-1-2012/AMDL-2016
Adopted Standard	IEC 62909-1-2017, IDT
Regulation (derived from)	National Standard Announcement No. 28 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the general requirements for grid-connected bidirectional power converters (GCPC). The grid-connected bidirectional power converter is composed of a grid-side inverter whose application-side system voltage does not exceed AC 1,000 V or DC 1,500 V and has two or more DC ports. In special cases, the grid-connected bidirectional power converter has only one DC port connected to the bidirectional energy storage device. This standard includes definitions of terms, specifications, performance, safety, system architecture, and test cases. The "system architecture" defines the way of interaction between the inverter and the converter. This standard defines the common and general performance requirements of grid-connected two-way power converters, which are not affected by the characteristics of a single power generation device and a two-way energy storage device. This standard does not cover