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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

2127

what is the response time of relays when a FAULT OCCURS IN A POWER SYSTEM?

2 5314

What is the role of power pack in substation protection system?

Facor,

2749

why there is a high voltage line in multiplication of 11?i.e.- -66kv,11,kv,22kv

Bhel,

4 9617

how capacitor pass ac voltage practically?with increase frequency and cpacitance?

DELL,

1 4905

What is battery Amphere-hour? How the battery back up time period is calculated?

2 12455

What is Difference Between static & Dynamic Pressure of Fan & Blowers

2 11986

WHY IS THE NO LOAD CURRENT SMALL FOR A TRANSFORMER COMPARED TO OTHER ROTATING ELECTRICAL MACHINES??

1 4484

Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

2 4606

What is the real function of reverse power relay in generator panel while syncronising?

Triveni,

2306

What is the Minimum winding resistance of motors ( small & big)? referance range

TATA,

2369

What is core CT & it's function?

2120

A 11KV, 1200 A breaker combination fixed in a cubicle for HT motor.Is normally for 11 KV motor fuse is using? if Yes, What range fuse is required?

2034

A 6.6 KV/ 440V Xformer. what are the imporatant parts & equipment required for it's protection panel.

APTransco,

2308

what are the main Parts of VCB

1 5313


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

how does an encoder work???

2575


battery capacity use of made?

2601


what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada

1980


How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

2347


What is the current carrying capacity of 35sq.mm flexible cable?

1516


What is limitedly stable system?

1191


what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

1955


how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

2436


What is the basic principle of welding process?

2201


why current is constant on d.c?

2141


WHAT IS DEAD END IN PROTECTION?

2685


why the projects getting loss?

1991


In Indian Household, generally we receive 220V AC single phase supply. But AC has 2 phases, +ve & -ve. So in +ve half cycle current is flowing...so what happens in the -ve half cycle?? Please illustrate.

2089


What is earth system using on the floater TN-S or TT. Iam not sure and what ICCP

1792


How to setting the volume of RTCC panel AVR (11kv) controller

1636