This standard specifies the technical requirements for connecting photovoltaic power station to power system.
This standard is applicable to newly-built, renovated and extended photovoltaic (PV) power station realizing interconnection through 35kV voltage class or above and connected to public supply network through10kV voltage class.
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/T 12325 Power Quality - Deviation of Supply Voltage
GB/T 12326 Power Quality - Voltage Fluctuation and Flicker
GB/T 14549 Quality of Electric Energy Supply - Harmonics in Public Supply Network
GB/T 15543 Power Quality - Three-phase Voltage Unbalance
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 1040 The Grid Operation Code
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1
photovoltaic (PV) power station
the power generation system converting solar radiation energy into electric energy directly through the photovoltaic effect of photovoltaic cell, generally including transformer, inverter, photovoltaic array as well as relevant auxiliary facilities
3.2
inverter
the equipment converting direct current into alternating current
3.3
point of interconnection
for PV power station provided with booster station, it refers to the busbar or node at the high voltage side of booster station; for the PV power station without booster station, it refers to the output collection point of PV power station
