GB/T 42716-2023 (GB/T42716-2023, GBT 42716-2023, GBT42716-2023) & related versions
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Guide for modeling of electrochemical energy storage power station
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GB/T 42716-2023: PDF in English (GBT 42716-2023)
GB/T 42716-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.180
CCS F 19
Guide for Modeling of Electrochemical Energy Storage
Power Station
ISSUED ON: MAY 23, 2023
IMPLEMENTED ON: DECEMBER 1, 2023
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 4
4 Overall Requirements ... 6
5 Load Flow Calculation Model ... 6
6 Electromagnetic Simulation Model ... 7
7 Electromechanical Transient Simulation Model ... 8
8 Mid-long Term Dynamic Simulation Model ... 9
Appendix A (informative) Typical Structure of Electrochemical Energy Storage Station
Model ... 10
Appendix B (informative) Load Flow Calculation Model Structure of Electrochemical
Energy Storage Power Station ... 11
Appendix C (informative) Typical Structure of Electromagnetic Transient Simulation
Model of Electrochemical Energy Storage Power Station ... 12
Appendix D (informative) Typical Filter Circuit Topology of Electromagnetic Transient
Simulation Model of Electrochemical Energy Storage Power Station ... 13
Appendix E (informative) Overall Structure of Electromechanical Transient / Mid-long
Term Dynamic Simulation Model of Electrochemical Energy Storage Power Station
... 14
Appendix F (informative) Electromechanical Transient Simulation Model of Energy
Storage Battery ... 16
Appendix G (informative) Electromechanical Transient Simulation Model of Electrical
Control of Energy Storage Converter in Normal Operating State ... 17
Appendix H (informative) Electromechanical Transient Simulation Model of Electrical
Control and Protection of Energy Storage Converter in Fault Ride-through State ... 21
Appendix I (informative) Electromechanical Transient Simulation Model of Energy
Storage Converter and Grid-connected Interface... 23
Appendix J (informative) Electromechanical Transient Simulation Model of Plant and
Station-level Active and Reactive Power Control ... 25
Appendix K (informative) Typical Secondary Frequency Modulation Model of
Electrochemical Energy Storage Power Station ... 30
Bibliography ... 31
Guide for Modeling of Electrochemical Energy Storage
Power Station
1 Scope
This document specifies the technical requirements for the electrochemical energy storage
station modeling for power system load flow calculation, electromagnetic transient,
electromechanical transient and mid-long term dynamic simulation.
This document is applicable to electrochemical energy storage power stations connected to the
power grid with a voltage level of 10(6) kV and above. Other electrochemical energy storage
power stations may refer to it for implementation.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB 38755 Code on Security and Stability for Power System
GB/T 40581 Calculation Specification for Power System Security and Stability
DL/T 2528 Basic Terminology of Electrical Energy Storage
3 Terms and Definitions
What is defined in DL/T 2528, and the following terms and definitions are applicable to this
document.
3.1 electrochemical energy storage station model
Electrochemical energy storage station model refers to a simulation model of electrochemical
energy storage power station for power system load flow calculation, and the calculation and
analysis of electromagnetic transient, electromechanical transient and mid-long term dynamic
process.
NOTE: generally, it includes one or multiple sets of electromechanical energy storage system
model, electrochemical energy storage station control model and in-station power
collection and boosting system model.
3.9 mid-long term dynamic simulation model
Mid-long term dynamic simulation model refers to a model used for the simulation of the long-
term dynamic process in the power system, which mainly reflects the dynamic characteristics
of each component of the power system from tens of seconds to tens of minutes.
4 Overall Requirements
4.1 The electrochemical energy storage station model shall be able to reflect the electrical
characteristics, battery energy state, and charging and discharging characteristics of the
electrochemical energy storage power station, and satisfy the requirements for power system
simulation analysis and calculation specified in GB 38755 and GB/T 40581.
4.2 The electrochemical energy storage station model shall be constructed in accordance with
the actual electrical structure of the power station, and include one or multiple sets of
electrochemical energy storage system model, electrochemical energy storage station control
model and in-station power collection and boosting system model. See Appendix A for the
typical structure of the electrochemical energy storage station model.
4.3 For multiple electrochemical energy storage systems in the station consisting of energy
storage batteries and converters of the same specification and model, and the same topological
structure, they can be equivalent to the same electrochemical energy storage system for
modeling. The electrochemical energy storage systems with different specifications, models
and topological structures should be respectively modeled. When the mode of equivalent
modeling is adopted, influencing factors, for example, the impedance of the converging circuits
should be considered.
4.4 The electrochemical energy storage station model should adopt measured parameters. When
the measured parameters cannot be obtained, parameter identification shall be performed based
on exit-factory parameters and experimental curves or digital-analog hybrid simulation models.
4.5 The electrochemical energy storage station model shall be subject to simulation tests in
accordance with the actual working conditions, so as to verify the validity of the model.
5 Load Flow Calculation Model
5.1 The load flow calculation model of the electrochemical energy storage power station shall
be constructed in accordance with the topological structure of the primary system in the station,
and include electrochemical energy storage system model and in-station power collection and
boosting system model, etc. See Appendix B for the model structure.
5.2 The electrochemical energy storage system should set the type of load flow calculation
nodes in accordance with the control mode and the demands for load flow calculation, and
include the node types of constant active and reactive power (PQ node), and constant active
voltage (PV node), etc.
5.3 The parameters of the load flow calculation model of the electrochemical energy storage
station shall include the active power and reactive power limits of each electrochemical energy
storage system, and the current power setting value and voltage setting value of the
electrochemical energy storage system.
6 Electromagnetic Simulation Model
6.1 The electromagnetic transient simulation model of the electrochemical energy storage
power station shall be able to simulate the dynamic characteristics of the energy storage power
station on a time scale of microseconds to seconds. It can be used for the analysis of the dynamic
response characteristics between the energy storage power station and the power system in the
full electromagnetic transient simulation of large power grids, as well as the simulation
calculation of fast action characteristics simulation of power electronic equipment in the energy
storage power station and control parameter setting, etc.
6.2 The electromagnetic transient simulation model of the electrochemical energy storage
power station shall include the electrochemical energy storage system model and in-station
boosting transformer. See Appendix C for the model structure.
6.3 The primary circuit of the electrochemical energy storage system model shall be composed
of main equipment models, such as: energy storage batteries and converters, etc., among which:
a) The energy storage battery model shall include battery cluster equivalent module,
which shall calculate the equivalent internal electric potential and internal resistance
in accordance with the connection mode and parameters of the battery cluster;
b) The converter model shall be constructed in accordance with the actual circuit
topology. The model shall include modules such as: converter bridge, DC capacitor
and AC filter circuit, etc. See Appendix D for the typical structure of the AC filter
circuit;
c) The converter bridge model shall be selected in accordance with the simulation
scenario. The system-level simulation should adopt average value model, and the
equipment-level simulation should adopt switching function model.
6.4 The control system modeling method of the electrochemical energy storage system model
shall be selected in accordance with the types of model, which include digital-analog hybrid
simulation model, electromagnetic transient packaging model and electromagnetic transient
structural model, etc., among which:
a) The digital-analog hybrid simulation model shall be composed of digital model,
physical simulation system for control and protection, and digital-analog hybrid
simulation interface, and the overall model shall be subject to experimental
verification;
b) The control system of the electromagnetic transient packaging model shall be formed
......
| Standard ID | GB/T 42716-2023 (GB/T42716-2023) | | Description (Translated English) | Guide for modeling of electrochemical energy storage power station | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F19 | | Classification of International Standard | 27.180 | | Word Count Estimation | 26,271 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Drafting Organization | China Electric Power Research Institute Co., Ltd., State Grid Jibei Electric Power Co., Ltd. Electric Power Research Institute, State Grid Zhejiang Electric Power Co., Ltd. Electric Power Research Institute, State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute, State Grid Jiangsu Electric Power Co., Ltd. Company Electric Power Research Institute, China Southern Power Grid Power Dispatching Control Center, Northwest Branch of State Grid Co., Ltd., East China Branch of State Grid Co., Ltd., North China Branch of State Grid Co., Ltd., State Grid Ningxia Electric Power Co., Ltd., State Grid Gansu Electric Power Co., Ltd. company | | Administrative Organization | National Electric Energy Storage Standardization Technical Committee (SAC/TC 550) | | Proposing organization | China Electricity Council | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Management Committee |
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