Power System Operation and Control 3 min read
Automatic Voltage Regulator
The automatic voltage regulator is used to regulate the voltage. It takes the fluctuate voltage and changes them into a…
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Power System Operation and Control 1 min read
Static Excitation System
In this system, the supply is taken from the alternator itself through a 3-phase star/delta connected step-down transformer. The primary…
Power System Operation and Control 2 min read
AC Excitation System
The AC excitation system consists of an alternator and thyristor rectifier bridge directly connected to the main alternator shaft. The…
Power System Operation and Control 1 min read
DC Excitation System
The DC excitation system has two exciters – the main exciter and a pilot exciter. The exciter output is adjusted…
Power System Operation and Control 1 min read
Excitation System
Definition: The system which is used for providing the necessary field current to the rotor winding of the synchronous machine, such…
Power System Operation and Control 1 min read
Voltage Regulation of Transformer
Voltage Regulation With the increase in load on the transformer, there is a change in its terminal voltage. The voltage…
Power System Operation and Control 3 min read
Reactive Power Compensation
As is mentioned earlier, the test transformers are used for testing the insulation of various electrical equipments. This means the…
Power System Operation and Control 2 min read
REACTIVE POWER
Synchronous Generators: · Synchronous machines can be made to generate or absorb reactive power depending upon the excitation (a form of…
Power System Operation and Control 1 min read
DYNAMIC RESPONSE OF LOAD FREQUENCY CONTROL LOOPS
· It has been shown that the load frequency control system posses inherently steady state error for a step input. · Applying…
Power System Operation and Control 1 min read
TWO AREA SYSTEMS – TIE-LINE POWER MODEL
Consider two inter connected areas as shown in figure operating at the same frequency fl while a power Power flow from…