power-supply system
81Earthing system — In sulvent systems, an earthing system defines the electrical potential of the conductors relative to that of the Earth s conductive surface. The choice of earthing system has implications for the safety and electromagnetic compatibility of the… …
82Polyphase system — A polyphase system is a means of distributing alternating current electrical power. Polyphase systems have three or more energized electrical conductors carrying alternating currents with a definite time offset between the voltage waves in each… …
83AC power — This article deals with power in AC systems. See Mains electricity for information on utility supplied AC power. Usually hidden from the unaided eye, the blinking of (non incandescent) lighting powered by AC mains is revealed in this motion… …
84Christchurch tramway system — A Christchurch Tramway tram, Worcester Street (March 2005) Operation Loca …
85Florida Municipal Power Agency — The Florida Municipal Power Agency (FMPA) is a nonprofit, wholesale electric utilities and associated services company that serves its 30 Florida municipal electric utility system members. FMPA is a governmental entity, established as a separate… …
86Water supply and sanitation in Ghana — The water supply and sanitation sector in Ghana faces severe problems, partly due to a neglect of the sector until the 1990s. Tariffs were kept at a low level which was far from reflecting the real cost of the service. Economic efficiency still… …
87KKS Power Plant Classification System — The KKS Power Plant Classification System is a standardised system for the classification of power stations. It serves during engineering, construction, operation and maintenance of power stations for identification and classification of the… …
88Colenso Power Station — Colenso Power Station …
89Industrial and multiphase power plugs and sockets — Industrial and multiphase plugs and sockets provide a connection to the electrical mains rated at higher voltages and currents than household plugs and sockets. They are generally used when more than two current carrying conductors (polyphase… …
90405-line television system — The 405 line monochrome analogue television broadcasting system was the first fully electronic television system to be used in regular broadcasting. It was introduced with the BBC Television Service in 1936, suspended for the duration of World… …
