Posted inPower System Operation and Control
Tap Changing in Transformer
Tap Changing  Regulating the voltage of a transformer is a requirement that often arises in…
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Automatic Load Frequency Control
 The ALFC is to control the frequency deviation by maintaining the real power balance in…
Posted inPower System Operation and Control
Automatic Voltage Regulator
The automatic voltage regulator is used to regulate the voltage. It takes the fluctuate voltage…
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Static Excitation System
In this system, the supply is taken from the alternator itself through a 3-phase star/delta…
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AC Excitation System
The AC excitation system consists of an alternator and thyristor rectifier bridge directly connected to…
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DC Excitation System
The DC excitation system has two exciters – the main exciter and a pilot exciter.…
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Excitation System
Definition:Â The system which is used for providing the necessary field current to the rotor winding…
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Voltage Regulation of Transformer
Voltage Regulation  With the increase in load on the transformer, there is a change in…
Posted inPower System Operation and Control
Reactive Power Compensation
 As is mentioned earlier, the test transformers are used for testing the insulation of various…
Posted inPower System Operation and Control
REACTIVE POWER
 Synchronous Generators: ·         Synchronous machines can be made to generate or absorb reactive power depending upon…