What do you understand by the RLC current?

Electrical and Electronic Engineering - Interview Questions

RLC stands for Resistor (R), Inductor (which is denoted by L), and Current (C). The word RLC is made of three elements of the circuit which are Resistor (R), Inductor (L), and Current (C). This circuit can provide direct current flowing throughout the circuit.

This ability is characterized by a differential equation of the second order. That's why it is also known as a second-order circuit.

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What are the advantages of VSCF wind electrical system?

Advantages of VSCF wind electrical system are :

* No complex pitch changing mechanism is needed.
* Aero turbine always keeps going at maximum efficiency point.
* Extra energy in the high wind speed region of the speed – duration curve can be extracted
* Significant reduction in aerodynamic stresses, which are associated with constant – speed operation.

Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv?

Transformer Induced voltage equation contains 4.44 factor.

E=4.44*f*T*phi
E -Induced emf per phase
T -number of turns
f -frequency
phi -maximum flux per pole
From the equation we see that E is proportional to 4.4 and it is in turn multiple of 11.

So always transmission voltage is multiple of 11