1 Scope
This technical guide specifies the technical requirements for connecting large-scale PV power station (100KW or above) to electric power systems.
This technical guide is applicable to PV power stations connected to the grid by electric transmission line (voltage class of 10 KV or above).
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this technical guide. For dated reference, subsequent amendments to (excluding the correction contents), or revisions of, any of these publications do not apply. However, parties to agreements based on this technical guide are encouraged to investigate the possibility of applying the most recent editions of the documents indicated below. For undated references, the latest editions of the normative documents are applicable to this technical guide.
GB/T 2297-1989 “Terminology for Solar Photovoltaic Energy System”
GB/T 12325-2003 “Power Quality-Admissible Deviation of Supply Voltage”
GB 12326-2000 “Power Quality-Voltage Fluctuation and Flicker”
GB/T 14549-1993 “Quality of Electric Energy Supply-Harmonics in Public Supply Network”
GB/T 15543-1995 “Quality of Electric Energy Supply-Admissible Three-Phase Voltage Unbalance Factor”
GB/T 15945-1995 “Quality of Electric Energy Supply-Permissible Deviation of Frequency for Power System”
GB/T 18479-2001 “Terrestrial Photovoltaic (PV) Power Generating Systems--General and Guide”
GB 16179-1996 “Guidelines for the Use of Safety Signs”
3 Terms and Definitions
The following terms and definitions are applicable to this technical guide.
3.1
PV power station
A large-scale PV power generation system consisted of one or more photovoltaic power subsystems, converting sunlight energy directly to electric energy.
3.2
Photovoltaic power subsystem
A system including (one or more) grid connection inverters and relevant BOS (components of balance system), as well as a solar-cell-array with one point of common coupling.
3.3
Active power of PV power station
Total active power output from PV power station.
3.4
Reactive power of PV power station
Total reactive power output from PV power station.
3.5
Power factor of PV power station
Power factor calculated by the total active power and total reactive power output from PV power station. The power factor (PF) shall be calculated by the following formula:
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Power Quality of PV Power Station
5 Active Power of PV Power Station
6 Reactive Power of PV Power Station
7 Operating Voltage of PV Power Station
8 Voltage Regulation of PV Power Station
9 Operation Test of PV Power Station
10 Communication and Signal
