J & P Transformer Book
Maintaining appropriate power systems and equipment expertise is necessary for a utility to support the reliability, availability, and quality of service goals demanded by energy consumers now and into the future. However, transformer talent is at a premium today, and all aspects of the power industry are suffering a diminishing of the supply of knowledgeable and experienced engineers.
Now in print for over 80 years since initial publication in 1925 by Johnson & Phillips Ltd, the J & P Transformer Book continues to withstand the test of time as a key body of reference material for students, teachers, and all whose careers are involved in the engineering processes associated with power delivery, and particularly with transformer design, manufacture, testing, procurement, application, operation, maintenance, condition assessment and life extension.
Current experience and knowledge have been brought into this thirteenth edition with discussions on moisture equilibrium in the insulation system, vegetable based natural ester insulating fluids, industry concerns with corrosive sulphur in oil, geomagnetic induced current (GIC) impacts, transportation issues, new emphasis on measurement of load related noise, and enhanced treatment of dielectric testing (including Frequency Response Analysis), Dissolved Gas analysis (DGA) techniques and tools, vacuum LTCs, shunt and series reactors, and HVDC converter transformers. These changes in the thirteenth edition together with updates of IEC reference Standards documentation and inclusion for the first time of IEEE reference Standards, provide recognition that the transformer industry and market is truly global in scale.
-- From the foreword by Donald J. Fallon
Martin Heathcote is a consultant specializing in power transformers, primarily working for utilities. In this context he has established working relationships with transformer manufacturers on several continents. His background with Ferranti and the UK’s Central Electricity Generating Board (CEGB) included transformer design and the management and maintenance of transformer-based systems.
* The definitive reference for all involved in designing, installing, monitoring and maintaining high-voltage systems using power transformers (electricity generation and distribution sector; large-scale industrial applications)
* The classic reference work on power transformers and their applications: first published in 1925, now brought fully up to date in this thirteenth edition
* A truly practical engineering approach to design, monitoring and maintenance of power transformers – in electricity generation, substations, and industrial applications.
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applied Areva T&D arrangement autotransformer axial busbars cable capacitance CEGB cent circuit circulating current coil component conductor connected cooling copper copper loss current transformers delta dielectric dissolved gas analysis distribution transformers earth fault earthing transformer eddy current electrical ensure equipment fault current Figure flux density frequency full-load HV winding impedance increase installed insulation line to neutral load current load loss magnetic manufacturers maximum measured method no-load normal number of turns on-load tapchangers operation output overvoltage partial discharge phasor power transformers primary line radiators rated ratio reactance reactor reduced relay resistance resistor result secondary line short-circuit shown in Fig shunt single-phase single-phase transformers sound power level supply surge tank tap position tapping winding temperature rise terminals third-harmonic three-phase three-phase transformers tion trans transformer windings voltage drops wattmeter wave withstand zero phase sequence
Page 79 - NOTE. — Crude petroleum is commonly accompanied by varying quantities of extraneous substances such as water, inorganic matter and gas. The removal of such extraneous substances alone does not change the status of the mixture as crude petroleum. If such removal appreciably affects the composition of the oil mixture, then the resulting product is no longer crude petroleum Crude Shale Oil.