Standard No.:	GB/T 33593-2017
English Name:	Technical requirements for grid connection of distributed resources
Chinese Name:	分布式电源并网技术要求
Chinese Classification:	F21    Electric power system
Professional Classification:	GB    National Standard
ICS Classification:	29 29    Electrical engineering 29
Issued by:	AQSIQ AND SAC
Issued on:	2017-05-12
Implemented on:	2017-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	140.0
Delivery:	via email in 1 business day

Technical Requirements for Grid Connection of Distributed Resources 1 Scope This standard specifies general principles and technical requirements which shall be followed for design, construction and operation for connecting distributed resources to power grid. This specification is applicable to newly-built, renovated and extended distributed resources connected to power grid through voltage grade of 35kV and below. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 2894 Safety Signs and Guideline for the Use GB 14050 Types and Safety Technical Requirements of System Earthing GB 50065 Code for Earthing Design of AC Electrical Installations GB/T 12325 Power Quality - Deviation of Supply Voltage GB/T 12326 Power Quality - Voltage Fluctuation and Flicker GB/T 14285 Technical Code for Relaying Protection and Security Automatic Equipment GB/T 14549 Quality of Electric Energy Supply - Harmonics in Public Supply Network GB/T 15543 Power Quality - Three-phase Voltage Unbalance GB/T 15945 Power Quality - Frequency Deviation for Power System GB/T 19862 General Requirements for Monitoring Equipment of Power Quality GB/T 24337 Power Quality - Interharmonics in Public Supply Network DL/T 448 Technical Administrative Code of Electric Energy Metering Unit DL/T 584 Code for Setting of 3kV~110kV Relaying Protection Equipment DL/T 621 Grounding for AC Electrical Installations DL/T 634.5101 Telecontrol Equipment and Systems Part 5: Transmission Protocols Section 101: Companion Standard for Basic Telecontrol Tasks DL/T 634.5104 Telecontrol Equipment and Systems Part 5-104: Transmission Protocols - Network Access for IEC 60870-5-101 Using Standard Transport Profiles 3 Terms and Definitions

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Power Quality 5 Power Control and Voltage Regulation 6 Start and Stop 7 Operation Adaptability 8 Safety 9 Relay Protection and Automatic Safety Device 10 Communication and Information 11 Energy Metering 12 Grid Connection Detection Annex A (Normative) Schematic Diagram for Point of Interconnection and Point of Common Coupling

*GB 2894-2008 Safety Signs and Guideline for the Use
*GB 14050-2008 Types and safety technical requirements of system earthing
*GB50065-
*GB/T 12325-2008 Power quality - Deviation of supply voltage
*GB/T 12326-2008 Power quality - Voltage fluctuation and flicker
*GB/T 14285-2006 Technical Code for Relaying Protection and Security Automatic Equipment
*GB/T 14549-1993 Quality of Electric Energy Supply - Harmonics in Public Supply Network
*GB/T 15543-2008 Power quality—Three-phase voltage
*GB/T 15945-2008 Power quality—Frequency deviation for power system
*GB/T 19862-2016 General requirements for monitoring equipments of power quality
*GB/T 24337-2009 Power quality—Interharmonics in public supply network
*DL/T 448-2016 Technical administrative code of electric energy metering
*DL/T 584-2017 Setting guide for 3kV～110kV power system protection equipment
*DL/T 621-1997 Grounding for AC Electrical Installations
*DL/T 634.5101-2002 Telecontrol equipment and systems Part 5-101: Transmission protocols Section 101: Companion standard for basic telecontrol tasks (IEC 60870-5-101: 2002 IDT)
*DL/T 634.5104-2009 Telecontrol equipment and systems Part 5-104: Transmission protocols - network access for IEC 60870-5-101 using standard transport profiles