This document specifies the composition, technical requirements, equipment and components requirements, test methods and inspection rules of the traction power supply system for medium and low speed intercity maglev traffic.
This document is applicable to the DC traction power supply system for intercity maglev traffic with the maximum operation speed not greater than 160 km/h driven by short-stator linear induction motors collecting current from conductor rail installed at side. For other medium and low speed maglev DC traction power supply systems collecting current from conductor rail installed at side,this document can be taken as reference.
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This standard specifies the service conditions,ratings,design and construction,type tests,Ex-factory tests,rules for tests,rules for transport,storage,erection,operation and maintenance,and safety requirements for AC metal-enclosed switchgear and controlgear for rated voltages of 27.5 kV and 2×27.5 kV for electrification railway.
This standard applies to indoor metal-enclosed switchgear and controlgear insulated by ambient air and containing gas-filled compartments,with the design pressure not exceeding 0.3 MPa (relative pressure).
Components contained in metal-enclosed switchgear and controlgear are to be designed and tested in accordance with their various relevant standards.
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