NB/T 25076-2017Technical specification of medium voltage cast-resin insulated bus for conventional island of PWR nuclear power plant (English PDF)

NB/T 25076-2017 is the English-translated version of 压水堆核电厂常规岛用全绝缘中压浇注母线技术要求.

NB/T 25076-2017 is a recommended Chinese energy industry specification for medium voltage cast-resin insulated busbars used in the conventional island of pressurised water reactor nuclear power plants.

It gives the terms and definitions, the conditions of use, the ratings, the technical requirements and the structure of these fully insulated cast busbars, and covers testing, marking, packaging, transport and storage.

It is meant for the selection, ordering and testing of cast busbars in medium voltage systems with nominal voltages from 6 kV to 20 kV, currents of 6300 A and below, and a frequency of 50 Hz or 60 Hz.

Other power plants may take it as a reference. GB 311.1-2012, GB/T 11022-2011, GB/T 16927.1 and GB/T 13540 are among the cited documents. Issued on 10 February 2017, it has applied since 1 July 2017.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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