TB/T 3151-2007 (English Version) PDF

Scope: This standard is applicable to high-voltage AC isolation load switches (hereinafter referred to as isolation load switches) with system nominal voltage of 27.5kV or 2×27.5kV, rated frequency of 50Hz, installed indoors or outdoors and with making and breaking current ratings. and its operating mechanisms and auxiliary equipment. This standard specifies the operating environmental conditions, rated parameters, design and structure, type testing, factory testing, marking, packaging, transportation and storage of high-voltage AC isolating load switches for electrified railways.

TB/T 3151-2007 Referenced Document

GB 1985-2004 High-voltage alternating-current disconnectors and earthing switches
GB 311.1-1997 Insulation co-ordination for high voltage transmission and distribution equipment
GB 3804-2004 High-voltage alternating-current switches for rated voltage above 3.6 kV and less than 40.5 kV
GB 8287.1-1998 High voltage post insulators of ceramic material. Part 1: Technical specification
GB/T 11022-1999 Common specifications for high-voltage switchgear and controlgear standards
GB/T 5273-1985 Terminals for transformers,high-voltage apparatus and bushings
GB/T 5465.2-1996 Graphical symbols for use on electrical equipment
GB/T 8287.2-1999 High voltage post insulators of ceramic material. Part 2: Dimensions and characteristics
TB/T 2805-1997 Insulation level of power supply equipment in electrified railway traction substation