Electrical Mining Installations |
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Common terms and phrases
acceleration adopted alternating current alternating-current amperemeter amperes apparatus armature armoured cables arrangement bitumen brake busbars cage CALCULATED cent choking coil circuit coal cutters Coal Mines Regulation colliery conductor connected continuous current continuous-current curve designed diameter drive drum efficiency electric winding employed endless rope haulage energy flexible flywheel fuse haulage gears Home Office rules Inches installations insulated lamps lighting lightning arresters load locomotives machine main and tail maximum medium pressure metal miles per hour Mines Regulation Act necessary obtain operating overload phase pipe plant plug pole power factor power required pressure drop ram pump resistance reversing rheostat road rotor machines shaft cable short-circuited rotor shown in Fig shunt slip rings speed station suitable switchboard tail haulage terminals three-core cable three-phase motors torque trailing cables transformers trip coils tubs turbine pump usually voltage volts watts weight winding engine wire armouring Yards