GB/T 40616-2021
Technical requirements for simulation test of control system functions of the rural photovoltaic power station cluster (English Version)
- Standard No.
- GB/T 40616-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 40616-2021
- Scope
- This document stipulates the simulation test items, test systems, test steps and result judgments of the village photovoltaic power station cluster control system. This document is applicable to village photovoltaic power station clusters connected to power grids with voltage levels of 10kV and below.
- Introduction
Interpretation of the core content of the standard
The GB/T40616-2021 standard has established a complete control system simulation test technology system for village and town photovoltaic power station clusters connected to voltage levels of 10kV and below. The standard innovatively proposes a collaborative test method for the real-time simulation device and the communication simulation system, covering the 8 major functions of the monitoring master station and the 3 core function tests of the monitoring terminal.
Comparison of key technical requirements
Test dimensions Monitoring master station requirements Monitoring terminal requirements Common indicators Data acquisition accuracy Telemetry error＜1.5% Telemetry error＜1.5% Optical fiber communication cycle≤3s Control response time Reactive power control waveform matching No delay in active power regulation instructions Carrier communication cycle≤30s System performance indicators Processor utilization ＜60% Simulation step ≤50μs Remote control accuracy 100%
Test system architecture analysis
The test system specified in Appendix A of the standard adopts a four-layer architecture:
- Real-time simulation layer: simulates power grid disturbance conditions, supports 50μs level step simulation
- Communication simulation layer: supports optical fiber/carrier dual-mode communication abnormality simulation
- Tested hardware layer: includes monitoring master station and terminal equipment
- Interface adaptation layer: compatible with DL/T634.5101/5104 protocol
Typical test case analysis
Voltage/reactive power control test
In the test of a 200kW village-level photovoltaic power station:
- Set the disturbance condition of voltage sag 10%
- The monitoring master station completes reactive power output distribution within 8.2s
- The terminal equipment response error is 0.8%, which is better than the standard requirement of 1.5%
Standard implementation recommendations
Test preparation phase
1. A three-phase programmable power supply is required to simulate grid disturbances
2. It is recommended to use RTDS real-time simulator to build the test environmentTest execution phase
1. Focus on the 12 key indicators in the Appendix B Record Table
2. Communication simulation needs to cover three abnormal scenarios: disconnection, congestion, and redundancyReport preparation stage
1. Include the waveform comparison chart as required by Appendix C
2. The calibration certificate number of the test instrument needs to be indicated
GB/T 40616-2021 Referenced Document
- DL/T 634.5101 Telecontrol Equipment and Systems Part 5-101: Transmission Protocol Basic Telecontrol Task Supporting Standards*， 2022-05-13 Update
- DL/T 634.5104 Telecontrol equipment and systems.Part 5-104:Transmission protocols-Network access for IEC 60870-5-101 using standard transport profiles
- GB/T 36116 Requirements for the control system function of the rural photovoltaic power station cluster
GB/T 40616-2021 history
- 2021 GB/T 40616-2021 Technical requirements for simulation test of control system functions of the rural photovoltaic power station cluster