Electrical Transformers and Power EquipmentThis book provides a comprehensive resource on technical, application and operational aspects of all types of electrical transformers and power systems, covering operation theory; transformer construction, installation, operation and maintenance; principal transformer connections; transformer types; troubleshooting; circuit breakers; disconnecting devices; fuses; lightning or surge arrestors; protective relays; storage batteries; reactors; capacitors; rectifiers; instruments; and insulation. Illustrations and diagrams are included throughout the written presentation. |
Contents
| 17 | |
| 22 | |
Function 328 | 45 |
Protection | 51 |
Larger Installations | 58 |
Winding Insulation 62 Drying Out Transformers | 64 |
Meters 340 | 67 |
PRINCIPAL TRANSFORMER CONNECTIONS | 70 |
FUSES | 199 |
LIGHTNING OR SURGE ARRESTERS | 218 |
DESIGN AND CONSTRUCTION | 235 |
Relays | 247 |
OPERATION AND MAINTENANCE | 271 |
STORAGE BATTERIES | 289 |
REACTORS CAPACITORS RECTIFIERS | 319 |
Reactive VoltAmpere Meter or Varmeter | 334 |
OpenDelta Connection 77 DeltaWye Connection | 77 |
OTHER TRANSFORMER TYPES | 89 |
TESTING AND TROUBLESHOOTING | 107 |
Electrical Power Equipment | 127 |
OPERATION AND MAINTENANCE | 157 |
DISCONNECTING DEVICES | 178 |
Review | 196 |
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Common terms and phrases
air-break switches alternating current ammeter ampere-hours amperes arcing horns arrester askarels autotransformer auxiliary bushing capacitor cause cell characteristics charging Check circuit breakers clean closed coil conductor connected cooling coordination core Courtesy current flowing current transformers cut-out cycle delta delta connection disc discharge disconnect electric electrolyte element energy equipment fault currents Figure flashover function fuse GASKET ground H₁ heat high-voltage impedance indicated induction installed instrument insulation interrupting lead lightning load current low-voltage magnetic field maximum mechanism Megger meter mounted NEGATIVE PLATE normal operation output overcurrent relays phase pilot wires polarity polymer porcelain primary protective devices protective relays ratio reactance reactors RECLOSE rectifier resistance secondary short-circuit shown in Fig spring stationary contacts storage battery sulphur hexafluoride supply surge tank temperature terminals three-phase transformers tube unit usually values valve volt-amperes voltage drop voltmeter volts wattmeter winding