Answer / s. venkateswararao

check the selector switch auto mode comand, and auto tap
changer time setting lower and upper voltage level setings
to be checked.

Answer / naveen

Oltc worked with reverse- forward motor starter through in built programmed pcb card ,command taken from this card as per voltage observation whether voltage level to be raised or down .Voltage level can be also manually controlled via selector switch.

Answer / guest

I feel its better to call in the experts. Like when I
worked at Reliance, the transformer was supplied by Bharat
Bijlee and their person used to come and do the needful
from Kalwa, Mumbai. Its quite complicated and not easy. So
you are advised to consult your supplier.

Answer / ams

check AVR setting and check whether AVR is executing the
command correctly.If yes go for further check.

Answer / sandip upare

Once you can try changing phase sequence of tap changing
motor.

What is self exciting?

0 Answers  

which of the following can produce maximum induced voltage..... (a)1amp dc current (b)50amp dc current (c) 1amp 60 cycle ac current (d)1amp 490 cycle ac current.

2 Answers  

can we use trip light with bus coupler?

0 Answers  

the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

0 Answers   IGC,

what is dyn 11

3 Answers  

how electrical earthing maintenance done in industry?

0 Answers   L&T,

What is the min and max ohmic value for earthing?

15 Answers   NewTek, Wipro,

1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,

How does a system control centre in a utility plant gets the grid frequency of the electrical network (50 Hz or 60 Hz)by the SCADA system?

1 Answers  

what is the benift of HT metering & LT metering

1 Answers  

How would you relate your key competencies to this position?

0 Answers