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Excitation System
Definition: 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…
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REACTIVE POWER
Synchronous Generators: · Synchronous machines can be made to generate or absorb reactive power depending upon…
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DYNAMIC RESPONSE OF LOAD FREQUENCY CONTROL LOOPS
· It has been shown that the load frequency control system posses inherently steady state error…
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TWO AREA SYSTEMS – TIE-LINE POWER MODEL
Consider two inter connected areas as shown in figure operating at the same frequency fl while…
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LFC CONTROL OF SINGLE AREA AND DERIVE THE DYNAMIC RESPONSE
Dynamic Response of the One-Area System `Now we are going to study the effect of…
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LOAD FREQUENCY CONTROL
The following basic requirements are to be fulfilled for successful operation of the system: 1. The…
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Sharing of load when two alternators are in parallel
Load Sharing When several alternators are required to run in parallel, it probably happens that…
Posted inPower System Operation and Control
SPEED GOVERNING MECHANISM AND MODELLING
Governor: The power system is basically dependent upon the synchronous generator and its satisfactory performance.…