Explain synchronous generators, Electrical Engineering

Assignment Help:

Explain Synchronous Generators?

They can be utilized to produce or absorb reactive power. An over-excited machine produces reactive power when an under-excited machine absorbs it. The generator is the major source of supply to the system of both of the positive and negative VArs. The ability to supply VArs is ascertained by the short-circuit ratio (1/ synchronous reactance).

For economic reasons, in current units this ratio is kept low and therefore the inherent ability to run at leading power factors is not large. For instance, a 200 MW, 0.85 p.f. machine with a 10% stability margin can just supply 45 MVAr at full power outputs.


Related Discussions:- Explain synchronous generators

Long-term plans for technical loss reduction, Long-Term Plans for Technical...

Long-Term Plans for Technical Loss Reduction Long-term measures for technical loss reduction include all measures that require to be taken for the improvement of quality and r

Find largest of n numbers stored in t memory, To determine the largest of n...

To determine the largest of n numbers stored into t memory, write a program in assembly language. A program of the largest of n numbers stored into t memory in assembly languag

Which Transistor configuration best to use in cascade, Q. Which of the 3 tr...

Q. Which of the 3 transistor configuration is best to use in cascade if maximum voltage gain is to be realized?  The common collector configuration is not used for intermediate

Rst restart instructions , RST Restart Instructions Restart instructio...

RST Restart Instructions Restart instructions  are one byte call instructions. Called location for each restart instruction is  predefined on page 0 ( read only memory). They

Calculate the average length of the chain, The upper end of a hanging chain...

The upper end of a hanging chain is fixed whereas the lower end is attached to a mass M. The (massless) links of the chain are ellipses with major axes and minor axes l+a and l-

Call instructions, Call Instructions Call instruction are used to call ...

Call Instructions Call instruction are used to call a  subroutine program in assembly language  procedure and functions are called  subroutines. There are two types  of calls i

Determine the ratio of starting torque to full-load torque, A three-phase, ...

A three-phase, 400-V, wye-connected induction motor takes the full-load current at 45 V with the rotor blocked. The full-load slip is 4%. Calculate the tappings k on a three-phase

What do you know about input impedance, Q. What do you know about Input Imp...

Q. What do you know about Input Impedance? Input Impedance  : Amplifiers will be quoted as having a specific input impedance. The sort of load it will place on preceding equipm

Solutions of question bank needed urgent, Need answers of a question bank o...

Need answers of a question bank of power electronics . It is an assignment. Urgent

Eeprom, advantages and disadvantages

advantages and disadvantages

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd