发电厂电气部分--第14讲（The electrical part of power plant - fourteenth）.docVIP

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发电厂电气部分--第14讲（The electrical part of power plant - fourteenth）.doc

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发电厂电气部分--第14讲（The electrical part of power plant - fourteenth）

发电厂电气部分--第14讲（The electrical part of power plant - fourteenth） Electrical parts of power plants -- fourteenth,.Txt This article is contributed by sinotaurus Pdf documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view. Electrical section of power plant (32 hours) Fourteenth lectures Speaker: Liu Jun, E-mail:, liujunlishu@126.com, Tel:,Seventh chapters Basic requirement: Distribution device The characteristics of the conceptual design principle 1, distribution device 2, minimum security clearance 3, all kinds of power distribution equipment, power distribution equipment, 4 plane section 110kV high voltage distribution device I. distribution device overview Definition: a device consisting of switchgear, protective and measuring equipment, bus bars, and necessary auxiliary equipment, in accordance with the connection mode of the main electrical connections. N function: under normal conditions: acceptance and distribution of electrical energy; in case of failure: through automatic or manual operation, the rapid removal of the fault, and return to normal operation. N N n Basic requirements to ensure reliable operation Reasonable selection of equipment have enough security clearance of arson, explosion proof, waterproof, oil storage, oil stain resistance, antifreeze, earthquake N Easy to operate, patrol and overhaul The structure is neat and clear, the operation is centralized, and the misoperation prevention measures are taken N Ensure the safety of staff The adjacent equipment is provided with a partition wall, a barrier, a safety exit device, a housing and a base for safe earthing N n Strive to increase the economy, the possibility of expansion Power Distribution Box Low voltage distribution box mounted at the entrance of an electric meter Low voltage distribution box installed in residential buildings Two, the minimum safe distance distribution device N Minimum safe dis