why is neccessary Tap changing of power transformer with in a
certain time
- 1 Answers
- 2711 Views
- I also Faced
- E-Mail Answers
Answer Posted / kj
Tap changing is to change the ratio of the input voltage to
the output voltage. This changes the output voltage.
When the load on a power line changes the voltage changes
as well because of a reduced or increased line losses.
The tap changing means the output voltage can be controlled
to be as close to the desired voltage. Otherwise serious
high or low voltage could be experienced.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is the transformer rush current?
describe the phenomena of vacuum interruption in C.B
Dear Respected sir how to test ABB REX521 protection relay by relay tester.
Why is a plain induction motor unsuitable for wide speed control?
draw the block diagram of fire alarm?
working principles of cf lamp,incandescentlamp and f lamp?
How to calculate wire length,size & current? ( related to control panel)
Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.
How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"
For a stable system, where should the poles of a system be in a root loci plot?
Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m
some basic standard questions on transformer.
explain the types of drives
which is the best institute for PLC,SCADA,DCS in hyderabad
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
