Testing code for power conversion system of energy storage system
1 Scope
This document specifies the inspection methods such as appearance inspection and protection level, basic functions, electrical performance, safety performance, electromagnetic compatibility, auxiliary system, marking, packaging, testing conditions, testing instruments and equipment, etc. of electrochemistry power conversion system of energy storage system
This document is applicable to the design, manufacturing, test, testing, operation, maintenance and overhaul of power conversion system of energy storage systems with electrochemical cells as energy storage carriers and AC port voltages of 35 kV or less.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions 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 2423.3 Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h + 12h cycle)
GB/T 2423.18 Environmental testing - Part 2: Test methods - Test Kb: Salt mist, cyclic (sodium chloride solution)
GB/T 2424.6 Environmental testing - Part 3: Supporting documentation and guidance - Confirmation of the performance of temperature/humidity chambers
GB 4208 Degrees of protection provided by enclosure (IP code)
GB 4824 Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
GB/T 4857.10 Packaging - Basic tests for transport packages - Part 10: Sinusoidal vibration test method using at variable vibration frequency
GB/T 6092 Squares
GB/T 9286 Paints and varnishes - Cross-cut test
GB 9524.1 Information technology equipment, multimedia equipment and receivers - Electromagnetic compatibility - Part 1: Emission requirements
GB/T 12113 Methods of measurement of touch current and protective conductor current
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 15945 Power quality - Frequency deviation for power system
GB/T 16422.1 Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance
GB/T 16422.2 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc
GB/T 16422.4 Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps
GB/T 16927.2 High-voltage test techniques - Part 2: Measuring systems
GB/T 16935.1 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
GB/T 17626.2 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test
GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques - Radiated radio-frequency electromagnetic field immunity test
GB/T 17626.4 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient/burst immunity test
GB/T 17626.5 Electromagnetic compatibility - Testing and measurement techniques - Surge immunity test
GB/T 17626.6 Electromagnetic compatibility - Testing and measurement techniques - Immunity to conducted disturbances, induced by radio-frequency fields
GB/T 17626.8 Electromagnetic compatibility - Testing and measurement techniques - Power frequency magnetic field immunity test
GB/T 17627 High-voltage test techniques for low-voltage equipment - Definitions, test and procedure requirements, test equipment
GB 20840.2 Instrument transformers - Part 2: Additional requirements for current transformers
GB 20840.3 Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
GB/T 21389 Vernier, dial and digital display calipers
GB/T 24337 Power quality - Interharmonics in public supply network
GB 26861 Safety code of electric power industry - Part of high voltage laboratory
GB/T 34120 Technical specification for power conversion system of electrochemical energy storage system
DL/T 2528 Basic terminology of electrical energy storage
3 Terms, definitions and symbols
3.1 Terms and definitions
For the purpose of this document, the terms and definitions given in GB/T 34120 and DL/T 2528 apply.
3.2 Symbols
For the purposes of this document, the following symbols apply.
Pn: the rated power, kW or MW;
Un: the rated voltage of AC port, V or kV;
Vdc_max: Maximum DC voltage of the power conversion system of energy storage system, V or kV.
4 General requirements
4.1 Before testing the power conversion system of energy storage system, relevant technical data shall be collected, the testing scheme shall be prepared and safety measures shall be formulated. The safety of testing operation shall comply with GB 26861.
4.2 The testing instruments and meters used shall be qualified by metrological verification or calibration, and shall be within the validity period;
4.3 The testing contents of power conversion system of energy storage system shall include appearance, protection level, basic functions, electrical performance, safety performance, electromagnetic compatibility, auxiliary system, logo and packaging, etc. The testing results shall be judged according to GB/T 34120.
4.4 Test data and environmental conditions shall be recorded during the testing, and a testing report (testing conditions, testing equipment, testing basis, testing process and testing conclusion, etc.) shall be issued after the testing is completed.
5 Testing conditions
Foreword i
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 General requirements
5 Testing conditions
6 Testing apparatus
7 Appearance inspection and testing of protection level
8 Testing of basic functions
9 Testing of electrical performance
10 Testing of safety performance
11 Testing of electromagnetic compatibility
12 Testing of auxiliary system
13 Testing of marking and packaging
Annex A (Normative) Calculation method of active power control response time, adjustment time and control deviation parameters
