Answer Posted / gbs
all answers comes under 2 main categories
1. AIS- Air insulated substation
2.GIS- Gas insulated substation
gis are normally underground or indoor type.
and ais ar open type
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is meant by carrier aided trip protection in transmission line
What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.
why lightning arrestor are made in two stack of insulator but why not cvt
what is the need of starter in tube light and what type of starter is used in that?
to vary valtage from 0 - max a variac is necessary . so how to design for high power applications nearly about 200KW power
how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?
Initially, when the input is not equal to the output — what type of response is this?
In siemens S7-300 PLC, what is function and function block ? What is the difference between them ? When to use function and when to use function block ?
What is rotary phase converter?
how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?
what types of electrical & mechanical test conducted in switchyard?
Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.
Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected
I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com
When the relative speed between the magnetic fields of stator and rotor does is zero under steady state operation?