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NB/T 32004-2013 English PDF (NBT32004-2013)

NB/T 32004-2013 English PDF (NBT32004-2013)

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NB/T 32004-2013: Technical specification of grid-connected PV inverter

This Standard specifies the product classification, technical requirements and test methods of the inverters used for photovoltaic (PV) grid-connected system. This Standard is applicable to grid-connected PV inverter connected to PV source circuit.
NB/T 32004-2013
ICS 29.120.01
K 46
Record Number. 40390-2013
Energy Industry Standard
of the PEOPLE Republic of China
Technical specification of grid-connected PV inverter
ISSUED ON. MARCH 7, 2013
IMPLEMENTED ON. AUGUST 1, 2013
Issued by. National Energy Administration
Table of Contents
Introduction ... 4
1 Scope ... 5
2 Referenced and quoted standards ... 5
3 Terms and definitions ... 7
4 Types of inverters ... 13
5 Label and data of inverters ... 14
6 Using, installation and transportation conditions ... 18
6.1 Normal using, installation and transportation conditions ... 18
6.2 Abnormal using, installation and transportation conditions ... 20
7 Structure and performance requirements ... 21
7.1 Structural material ... 21
7.2 Protection requirements against electric shock ... 22
7.3 Mechanical protection requirements ... 38
7.4 Fire protection requirements ... 42
7.5 Basic functional requirements ... 45
7.6 Power quality requirements ... 47
7.7 Electric protection functional requirements ... 48
7.8 Electromagnetic compatibility ... 53
7.9 Power control requirements ... 56
7.10 Installation requirements ... 57
8 Test method ... 59
8.1 Test environmental conditions ... 59
8.2 Inverter?€?s safety ... 59
8.3 Basic functional verification ... 75
8.4 Electrical performance ... 78
8.5 Electromagnetic Compatibility (EMC) ... 89
8.6 Environment Test ... 93
8.7 Power control ... 94
8.8 Installation requirements ... 94
9 Inspection rules ... 95
9.1 General rules... 95
9.2 Inspection classification ... 95
9.3 Test items ... 96
Appendix A ?€? Symbols Used on the Equipment Labels ... 100
Appendix B ?€? UV Exposure Test ... 101
Appendix C ?€? Touch Current Measurement ... 103
Appendix D ?€? Calibration Factor ... 105
Appendix E ?€? Contact Probe Test ... 106
Appendix F ?€? Anti-islanding Protection Scheme ... 108
Appendix G ?€? Humidity Pretreatment ... 109
Appendix H ?€? The Measurement of E.C and C.D... 110
Appendix I ?€? Electric Wire Ignition Test ... 116
Appendix J ?€? Test Platform of the Inverter ... 117
Appendix K ?€? Inverter Efficiency Test ... 118
Appendix L ?€? Wire Used in Temperature Test ... 124
Appendix M ?€? Thermometry Measurement Adjustment ... 126
Appendix N ?€? Short-circuit Protection Verification ... 127
References ... 129
Introduction
This Standard is drafted according to the rules provided by GB/T 1.1-2009 Standard Operations Guidelines Part 1. Structure and Compilation of Standard.
This Standard is proposed by National Energy Administration.
This Standard is administered by China Electrical Equipment Industrial Association (CEEIA). Principal organizations participated in the drafting of this Standard. Shanghai Testing and Inspection Institute for Electric Motor, Engineering Industry Beijing Electro-technics Institute of Economics.
Organizations participated in the drafting of this Standard. Sungrow Power Supply Co., Ltd, Beijing Central Certification Center, Xuchang KETOP Electrical Apparatus Testing and Research Institute, Guangdong Zhicheng Champion Group Co., Ltd, Harbin Jiuzhou Electrical Co., Ltd, Shanghai Chint Power Systems Co., Ltd, Changshu Switch Manufacturing Co., Ltd, TBEA Sunoasis Co., Ltd, Beijing Corona Science and Technology Co., Ltd, Shenzhen CLOU Electronics Co., Ltd, Rongxin Power Electronic Co., Ltd, Shanghai Macsolar Power Co., Ltd, Jiangsu Eversolar New Energy Co., Ltd, China Quality Certification Center. Drafters of this Standard. Lu Yao, Wang Aiguo, Lu Chenyu, Guo Yan, Guo Xinxin, Shi Jiangfeng, Zhang Youquan, Huang Xiaoge, Fan Shilin, Wang Zong, Wang Ting, Ye Qiongyu, Zheng Junqi, Li Quanxi, Li Minying, Zhou Weilai, Li Nianlu, Zhang Jun, Zhou Jianxing, Liu Kui, Guo Lei, Zhang Sheng, Chen Shuguang, Wang Zhuhan, Wang Dan, Long Yingwen, Bo Lun, Ni Song, Wu Hongjiang, Gong Yuanping, Zhang Daoquan.
Technical specification of grid-connected PV inverter
1 Scope
This Standard specifies the product classification, technical requirements and test methods of the inverters used for photovoltaic (PV) grid-connected system.
This Standard is applicable to grid-connected PV inverter connected to PV source circuit?€?s voltage not higher than DC 1500 V or AC 1000V.
2 Referenced and quoted standards
The following documents are indispensable for the application of this document. For quoted documents noted with dates, only versions with noted dates are applicable to thi...

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