OPERATING MODES OF THYRISTOR CONTROLLED SERIES COMPENSATOR (TCSC)
TCSC is used to decrease or increase overall effective series transmission impedance from sending end to the receiving end so…
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AUTO TRANSFORMERS
An autotransformer is a transformer which has part of its winding common to the primary and secondary circuits. Fig. 1(a)…
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EMF EQUATION OF A TRANSFORMER
The magnetic flux ϕ set up in the core of a transformer when an alternating voltage is applied to its…
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AIR CORE TRANSFORMER
Some small transformers for low-power applications are constructed with air between the two coils. Such transformers are inefficient because the…
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ADVANTAGES AND DISADVANTAGES OF NUCLEAR ENERGY
Nuclear energy is used to produce electricity. Heat generated from the splitting of uranium atoms in a process known as…
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DIFFERENCE BETWEEN SOLID STATE AND OFFLINE UPS SYSTEM
Solid-state Controls systems differ from off-line designs in the following ways: 1. Solid-state Controls offers an on-line, double conversion UPS…
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PROBLEMS WITH OFFLINE UPS SYSTEM
The following is an outline of some of the major problems associated with off-line (stand by) UPS designs. INPUT FREQUENCY/…
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DISTRIBUTION STATCOM D-STATCOM
The D-STATCOM is basically one of the custom power devices. It is nothing but a STATCOM but used at the…
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DC GENERATORS
Principle: An electrical generator is a machine which converts mechanical energy into electrical energy. The energy conversion is based on…
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METHODS OF STARTING OF SYNCHRONOUS MOTOR
(1) By using a starting motor. This motor is directly coupled to the motor. It may be an induction motor…