GB/T 34869-2017Metal-oxide varistor for the protection of series compensation capacitor banks sets (English PDF)

National Standard of the People's Republic of China

ICS

29.080.99

Classification

K 49

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

Contents

• Foreword V.
• 1 Scope
• 2 Normative references
• 3 Terms and definitions
• 4 logo
• 5 operating conditions
• 5.1 normal operating conditions
• 5.2 abnormal operating conditions
• 6 technical requirements
• 6.1 MOV jacket insulation resistance
• 6.2 reference voltage
• 6.2.1 MOV frequency reference voltage
• 6.2.2 MOV DC reference voltage
• 6.3 continuous operation current
• 6.4 0.75 times the DC reference voltage leakage current
• 6.5 residual pressure
• 6.6 Partial discharge
• 6.7 MOV sealing performance
• 6.8 current distribution test
• 6.9 Repeated energy tolerance test
• 6.10 accelerated aging test
• 6.11 Thermal proportional unit verification test
• 6.12 energy tolerance and power frequency voltage stability
• 6.13 Short-circuit current test
• 6.14 Mechanical load
• 6.14.1 MOV bending load
• 6.14.2 To withstand seismic forces
• 6.15 coat the appearance of inspection
• 6.16 climate aging test
• 6.17 Moisture Immersion Test
• 6.18 resistance to contamination
• 7 Test Requirements
• 7.1 Measurement Equipment and Uncertainty
• 7.2 Test Sample
• 8 Test Method
• 8.1 General
• 8.2 MOV jacket insulation resistance test
• 8.3 frequency reference voltage measurement
• 8.4 DC reference voltage measurement
• 8.5 Continuous operation current test
• 8.6 0.75 times the DC reference voltage leakage current test
• 8.7 residual pressure test
• 8.7.1 General
• 8.7.2 Operational impact residual pressure test
• 8.8 Partial discharge test
• 8.9 sealing performance test
• 8.10 current distribution test
• 8.11 Repeat energy tolerance test
• 8.12 accelerated aging test
• 8.13 Thermal proportional unit verification test
• 8.14 energy tolerance and power frequency voltage stability test
• 8.15 Short-circuit current test
• 8.16 Mechanical load test
• 8.17 Exterior inspection of the jacket
• 8.18 Climate Aging Tests
• 8.19 Moisture Immersion Test
• 8.20 anti-fouling performance test
• 9.1 General
• 9.2 Type test
• 9.3 Sampling test
• 9.4 Routine test
• 10 Packaging, transport and storage
• 10.1 Packaging
• 10.2 Technical documentation provided with the product
• 10.3 Transportation and Custody
• Appendix A (Informative) Capacitor Bank access to the system typical characteristics
• Appendix B (Normative) MOV model structure
• Appendix C (Normative) Abnormal operating conditions
• Appendix D (informative) current distribution test method
• References