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yes, it is possible to change the frequency in substations. frequency changer is a motor-generator set that changes power of an alternating current system from one frequency to one or more different frequencies, with or without a change in the number of phases, or in voltage. Sometimes a converter is used to accomplish this.
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What is a frequency changer substation?
These are the substations which can have the capabality to change Frequency which it gets from the generators, human interventions neccessary to accomplish this task.
Why frequency remains constant in transformer?
First we know that transformer is a statical electrical device that transfer electrical energy from one circuit to another circuit with out change its frequency .....it may be voltage or current is change simultaneosuly or separately .... and point is why does not change the frequency in the transformer because the there is no moving part in transformer....As we know that frequency is depends upon the rotation....
What is frequency sensitivity?
the amount of frequency change in the carrier frequency per unit amplitude change in the message signal is the frequency sensitivity this term comes in the frequency moulation
What happens to the output in terms of real power of a generator when you change the voltage and frequency say from 220v 50Hz to 110v 60Hz?
The voltage and frequency ARE the output of the generator. If you change the fuel to the generator, it will change speed, and the voltage will change. Less fuel = less speed = lower frequency = lower voltage.
What method can be used to control the speed of rotation of a 3 phase induction motor?
USE VARIABLE SPEED DRIVE (VSD) OR ALSO CALLED VARIABLE FREQUENCY DRIVE (VFD). THE PRINCIPLE IS TO VARY OR CHANGE THE FREQUENCY WITHOUT AFFECTING THE VOLTAGE. THIS IS ONE SOLUTION TO ENERGY MANAGEMENT AND COMBINED TO BUILDING AUTOMATION SYSTEM OR BUILDING MANAGEMENT SYSTEM.
