Vacuum circuit breaker on board rolling stock
1 Scope
This standard specifies the service conditions, product classification, technical requirements, inspection methods, inspection rules, RAMS requirements, marking, packaging, transportation and storage of vacuum circuit breaker on board rolling stock.
This standard is applicable to vacuum circuit breaker (hereinafter referred to as circuit breaker) used on electric locomotives and EMUs.
2 Normative references
The following referenced documents are indispensable for the application 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 191 Packaging - Pictorial marking for handling of goods (GB/T 191-2008, ISO 780:1997, MOD)
GB 311.1-2012 Insulation co-ordination - Part 1: Definitions, principles and rules (IEC 60071:2006, MOD)
GB/T 775.1-2006 Test method for insulators - Part 1: General test methods
GB 1984-2003 High-voltage alternating-current circuit-breakers (IEC 62271-100:2001, MOD)
GB/T 2423.4-2008 Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12h+12h cycle) (IEC 60068-2-30:2005, IDT)
GB/T 2423.17-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist (IEC 60068-2-11:1981, IDT)
GB 2894-2008 Safety signs and guideline for the use
GB/T 2900.20 Electrotechnical terminology - High-voltage switchgear [GB/T 2900.20-1994, neq IEC 60050(IEV):1984]
GB 4208-2008 Degrees of protection provided by enclosure (IP code) (IEC 60529: 2001, IDT)
GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards (IEC 62271 -1:2007, MOD)
GB/T 16927.1-2011 High-voltage test techniques - Part 1: General definitions and test requirements (IEC 60060-1:2006, MOD)
GB/T 21413.1-2008 Railway applications - Electric equipment for rolling stock - Part 1: General service conditions and general rules (IEC 60077-1:1999, IDT)
GB/T 21413.2-2008 Railway applications - Electric equipment for rolling stock - Part 2: Electrotechnical components - General rules (IEC 60077-2:1999, IDT)
GB/T 21413.4-2008 Railway applications - Electric equipment for rolling stock - Part 4: Electrotechnical components - Rules for AC circuit-breakers (IEC 60077-4:2003, IDT)
GB/T 21562-2008 Railway applications - Specification and demonstration of reliability, availability, maintainability and safety (RAMS) (IEC 62278:2002, IDT)
GB/T 21563 Railway applications - Rolling stock equipment - Shock and vibration tests (GB/T 21563-2008, IEC 61373:1999, IDT)
GB/T 24338.4-2009 Railway applications - Electromagnetic compatibility - Part 3-2: Rolling stock - Apparatus (IEC 62236-3-2:2003, MOD)
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 1984, GB/T 11022-2011, GB/T 21413.1-2008, GB/T 21413.2-2008, and GB/T 21413.4-2008 apply.
3.1
bounce time when main contact close
time interval from the first contact to the completely stable contact of the main closing contact of vacuum circuit breaker
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Service conditions
5 Product classification
6 Technical requirements
7 Inspection methods
8 Inspection rules
9 RAMS requirements
10 Marking, packaging, transportation and storage
