GB/T 31954-2015AC PLC filter capacitors for HVDC transmission systems (English PDF)

National Standard of the People's Republic of China

ICS

31.060.70

Classification

K 42

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Contents

• Introduction
• 1 Scope
• 2 Normative references
• 3 Terms and definitions, abbreviations
• 3.1 Terms and definitions
• 3.2 Abbreviations
• 4 Conditions of Use
• 4.1 normal conditions of use
• 4.2 Non-normal conditions of use
• 5 Quality requirements and testing
• 5.1 Test Requirements
• 5.2 Test Category
• 5.3 Visual inspection (routine test)
• 5.4 Capacitance measurement (routine test)
• 5.5 capacitor loss tangent (tandelta) Measurement (routine test)
• 5.6 terminals voltage test (routine test)
• 5.7 Internal discharge means test (routine test)
• 5.8 Tightness test (routine test)
• 5.9 partial discharge test (routine test)
• 5.10 Thermal stability test (type test)
• 5.11 between terminal and housing AC voltage test (type test)
• 5.12 between terminals and housing lightning impulse voltage test (type test)
• 5.13 short circuit discharge test (type test)
• 5.14 at high temperature capacitor loss tangent (tandelta) Measurement (type test)
• 5.15 casing and conducting rod stress test (type test)
• 5.16 between terminal and shell insulation resistance measurement (acceptance test)
• 5.17 capacitance measurement (acceptance test)
• 5.18 between terminal and housing AC voltage test (acceptance test)
• 5.19 endurance test (special test)
• 5.20 partial discharge test at a low temperature (special test)
• 6 design and structural requirements
• 6.1 capacitor bank
• 6.2 capacitor gantry
• 6.3 capacitor unit
• 6.4 12 protection
• 6.5 Mechanical Design
• 6.6 Insulator
• 6.7 terminal
• 6.8 creepage distance
• 6.9 Radio Interference (RIV) Design
• 6.10 Welding
• 6.11 Surface Treatment
• 7 13 insulation level
• 7.1 standard insulation level
• 7.2 General Requirements
• 7.3 capacitor unit between terminals and the shell test voltage AC
• 8 Overload
• 9 Safety requirements
• 9.1 discharge safety device 15 demands
• 9.2 housing secure connection requirements
• 9.4 Additional security requirements
• 10 flag capacitor unit
• 10.1 specification or nameplate
• 10.2 16 Warning Signs
• 11.1 specification or nameplate
• 11.2 16 Warning Signs
• 12 for installation and operation of the
• 12.1 Overview
• 12.2 Operating temperature
• 12.3 Special conditions of use
• Appendix A (informative) creepage distance and unified creepage distance relationship between
• Annex B (informative) discharging the capacitor discharge time is calculated and resistor
• References