Electric System Handbook

alternating current ammeter ampere-turns amperes apparatus armature arrangement automatic auxiliary battery brushes busbars buses cable capacity cent charging closed coil commutator condenser conductor connected contactor contacts copper curve cycles device diagram direct current Direct-current disconnecting switches distribution duct electrical employed energy equipment exciter fault feeder field flow flux frequency frequency changer fuses ground high-tension increase indicating induction installed insulation lamps load loss machine magnetic meter miles miles miles motor mounted normal ohms oil circuit breakers operation overcurrent overload panel phase pole position power factor primary protection rated reactance rectifier relay resistance rheostat rotary converter rotor scheme secondary selector short circuit shown in Fig shunt single-phase slip rings speed starting station steam substation supply switchboard synchronous synchronous condenser temperature three-phase tion trans transmission lines trip unit usually voltage regulation voltmeter volts winding wire