T/CES 262-2023 Test specification for grid adaptability of parallel low-voltage active power quality improvement equipment
T/CES 262-2023 Test specification for grid adaptability of parallel low-voltage active power quality improvement equipment
Basic Information
Scope
Scope: This standard specifies the test conditions, test items, and test methods for grid adaptability testing of parallel-type low-voltage active power quality control equipment. This standard applies to parallel-type low-voltage active power quality control equipment with a voltage rating of 1,000V or lower. Main technical content: (1) Scope: This standard specifies the test conditions, test items, and test methods for grid adaptability testing of parallel-type low-voltage active power quality control equipment. It applies to parallel-type low-voltage active power quality control equipment with a voltage rating of 1,000V or lower. (2) Normative references: The main documents referenced in this standard include: - GB/T 2900.1 Electrotechnical Terms - Basic Terms - GB 14048.1 Low-Voltage Switchgear and Control Equipment - Part 1: General Provisions - GB/T 14048.11 Low-Voltage Switchgear and Control Equipment - Part 6-1: Multifunctional Electrical Apparatus - Converter Switchgear - GB/T 18039.4-2017 Electromagnetic Compatibility - Environmental - Compatibility Levels of Low-Frequency Conducted Disturbances in Utility Power Grids - GB/T 24337-2009 Power Quality - Harmonics between Utility Power Grids - GB/T 30137-2013 Power Quality - Voltage Sags and Short-Term Interruptions (3) Terms and definitions: These include the definitions of parallel-type low-voltage active power quality control equipment, grid adaptability, short-term interruptions, interharmonic components, harmonic content, interharmonic content, total harmonic distortion rate, and unbalance. (4) Test items: These include voltage positive deviation tests, voltage negative deviation tests, harmonic adaptability tests, interharmonic adaptability tests, three-phase voltage unbalance adaptability tests, voltage sags tests, voltage sags tests, short-term interruptions tests, and frequency positive deviation tests. (5) Test conditions and procedures: These include environmental conditions,