| Abstract |
This book is aimed primarily at owners and operators of electrical switchgear in industrial or commercial organisations, as distinct from electricity distribution companies or equipment suppliers, although the latter may find the advice useful. It is intended to assist managers, engineers and other relevant personnel to understand their responsibilities and duties in the operation, care and maintenance of high-voltage and low-voltage switchgear, with a view to keeping it safe. There is guidance on the selection, use, care and maintenance of three-phase electrical switchgear with voltage ratings from 400V alternating current (ac) up to and including 33 kV ac. It deals with circuit-breakers, switches, switch fuses, isolators and HV contactors. Contents: Introduction; Equipment and its locations; Potential problems with switchgear; Management of switchgear; Records; Operational issues; Care and maintenance of oil switchgear; Care and maintenance of non-oil switchgear; Care and maintenance of ancillary equipment; Testing; Assessment of aged switchgear; Condition monitoring; Protection; Batteries and chargers; Selection of new, replacement or refurbished switchgear; Measures to limit fires; Training; Disposal issues; Appendices. |
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