Answer / sanju

u can bring the frequency to normal by decreasing the laod
shared by the generators. But i dont think any power system
engineer can afford to loose laod. The frequency can be
brought back to the noraml valsue after the following:-
1.make sure that the governor sets of all generators are
working fine.
2.make sure that that the droop characterstics of all the
governors connected are same.
3.make sure that there is no problem with prime mover side.
i hope this wl solve ur problem

sanjeev

Answer / tarun aggarwal ymca

according to power system engineering the decrease in
frequency is because of load (as load increases speed
decrease) so Automatic control in power system detect this
change in speed and increase the steam or hydro flow to
turbine to counter balance it.

Answer / nishant

Decrease the load of that system untill the frequency is in
limit

Answer / sethar12

The problem is not that the frequency of the generator is
decreasing, but the problem is that when this frequency
decreases upto the underfrequency limit of the turbine (or
generator)(frequency bandwidths as given by manufacturer)
(generally at 48Hz). It must be noted that the turbine (or
generator) can run for some commutative duration in
different frequency bandwidths even below 48Hz, but it is
better to avoid in these bandwidths because turbine blades
may damage due to resonance.
The most effective solution is the load-shedding
(distribution side) (by asking the transmission network
controller).
Otherwise reducing the generator load manually.

Answer / balaram mishra

I wii increase the roter speed of the generator, so that
the frequency will increase.

What is synchro?

0 Answers  

What is the phase relationship between the primary and secondary voltages of a transformer?

0 Answers  

how much amps can i connect for 4core 120mm armade cable

2 Answers  

Difference between a pilot wire and a normal conductor?

0 Answers   United Arab Aluminum Company,

GIVE CONDITION FOR MAX EFFICIENCY OF 3-PH TRANSFORMER AND D.C MOTOR

2 Answers   BARC,

What are the circuit models used for analysis of medium length transmission lines? Which one is superior? Support your answer.

1 Answers   UPSC,

What are the starting currents of different motors and also what are the running currents, and idle currents?

6 Answers  

Can you use step up generator transformer of voltage ratio 16.5kv/420kv in place of step up generator transformer 15.75kv / 420 kv

1 Answers  

What is FM 200?

2 Answers   Dalkia,

What are the essential characteristics of signal flow graphs?

0 Answers  

Explain what is CBCT.

1 Answers  

What are the tests to be done on circuit breaker?

1 Answers