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
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
Contents of GB/T 33593-2017
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