Encyclopedia of Energy: Ec-GeElsevier, 2004 - Power (Mechanics) |
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Page 246
... voltage waveforms . In an inductive circuit , the current lags the voltage , whereas in a capacitive circuit the current leads the voltage . In a purely inductive system , the current will lag the voltage by exactly 90 ° , whereas in a ...
... voltage waveforms . In an inductive circuit , the current lags the voltage , whereas in a capacitive circuit the current leads the voltage . In a purely inductive system , the current will lag the voltage by exactly 90 ° , whereas in a ...
Page 247
... voltage and current , higher voltage levels require less current flow to transmit power . The reduced current subsequently reduces the active power losses in the line since the losses are given as 12R , where R is the transmission line ...
... voltage and current , higher voltage levels require less current flow to transmit power . The reduced current subsequently reduces the active power losses in the line since the losses are given as 12R , where R is the transmission line ...
Page 249
... voltages and currents are related by Vp / Vs Is / Ip . Thus , as the voltage increases from secondary to primary , the current decreases ; therefore , the current is lower at higher voltages . = In modern power systems , transformers ...
... voltages and currents are related by Vp / Vs Is / Ip . Thus , as the voltage increases from secondary to primary , the current decreases ; therefore , the current is lower at higher voltages . = In modern power systems , transformers ...
Contents
Contents of Volumes | 1 |
Fuel | 5 |
Turbines Gas Wind Energy Technology Environmental Impacts | 7 |
Copyright | |
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activity analysis areas assessment biomass capital cascading failures chemical coal combustion components consumers consumption cost countries depletion ecological footprint ecological risk assessment economic growth ecosystem health effects embodied energy Emergy Evaluation emissions endpoints energy demand energy efficiency energy intensity energy prices energy resources energy services energy supply entropy environment environmental regulation equipment ESCO estimate evaluation example exposure external extraction factors fossil fuels function future global gross domestic product heat household human impacts important income increase industry inputs investment Kuznets curve labor land load magnetic field market failures materials measure ment motor natural gas nonrenewable nuclear NYMEX operating optimal organisms output petroleum physical pollution potential power plants production ratio reduce renewable reserves result sector solar sources specific structure studies theory thermodynamics tion transformation transmission typically United utility variables voltage