. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . With InBuJatedVeutral Fig. 192—Methods of Protection Using Pilot Wires SPECIAL PLANT AND LINE PROBLEMS 335 To I/tne OUconnecting SwitciiesLightning AirestersCurrent Trans. &, BelayAutomatic Oil SwitchesDisconnecting SwitchesDisconnecting SwitchesHigh Tension Busses 44,000 VvAutomatic Oil SwitchesCurrent Transformers & EelayaPower Transformers 6000 TransformersAutomatic Oil SwitciiesDisconnectin
. American hydroelectric practice; a compilation of useful data and information on the design, construction and operation of hydroelectric systems, from the penstocks to distribution lines . With InBuJatedVeutral Fig. 192—Methods of Protection Using Pilot Wires SPECIAL PLANT AND LINE PROBLEMS 335 To I/tne OUconnecting SwitciiesLightning AirestersCurrent Trans. &, BelayAutomatic Oil SwitchesDisconnecting SwitchesDisconnecting SwitchesHigh Tension Busses 44,000 VvAutomatic Oil SwitchesCurrent Transformers & EelayaPower Transformers 6000 TransformersAutomatic Oil SwitciiesDisconnecting SwitchesLow Tension Busses 2800 V,-Disconnecting SwitchesNon-Automatic Switches 3000 GeneratorsGenerator Fields °Eheostats • Generator Field SwitchesDischarge BesistancesField Selector SwitchesExciter Busses 250 V. AExciter Switches & Bus Parallel Switch+Exciter Switches (Selector) Exciter Series Fields Exciters 400 Equalizer Switches Equalizer Bus. Fig. 193.—Complete System of Connections Showing Method of Protection by Meansof Series Transformers and Relays Iron CoreLoad Current —i Pr™?iy gn t!!^J^!!!^__rB^wi^ng —^^ 1 \:b^^^~ _ — ■ SecondaryO g Winding Relay ControllingOil Switch Fault Current Superposedon Load Current
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkmcgrawhillb
