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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

JSW,

2246

Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 3981

what are the settings is there for ABB REM543 Generator Protection Relay

1 6600

On PVC conduit the class "A" "B" or "C" is marked what does it shows. Either its thickness or its composition?

2 5223

why do harmonics generata?

1 4273

XYZ

ASD Lab,

2103

what is AVP?

2 5556

why do we carry out winding resistance test?

MahaGenco, MAHINDRA,

2252

in traction which type of supply are used

APGenco, Construction,

15 17918

Explain the term parallel path in dc machin ?

UPSC,

2167

what is working of Master trip relay ?

9 43457

What is working of Trip Ckt.Supervision Relay?

1 7052

1)What is a Triode? What are its uses? 2) What is a Triac? 3) What is a Thyristor?

Bosch,

2591

What is the HVDC Transmission System? What are the conditions applicable to lay an HVDC Line?

2264

Why do we use only Sinusoidal Wave in AC supply why not the Square,Triangle or Sawtooth etc?

2 6823


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why moisture formation found in XLPE Armoured cable outer sheath

1779


how to calculate the size of the HT cable

1853


How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

2172


Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1972


What is the count of hvdc transmission lines in india?

1062


mccb service sittings be done?

1914


Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.

2341


Starting current of a 10 HP induction Motor is ______ time’s full load current.

2894


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3651


plz tell me,ht and lt panel terminals in substations explain beiefly

2894


WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1872


what is the effect of vector group while phase sequence of a generator changes,whether the vector group changes or not

2067


WHAT IS THE PARTIAL DISCHARGE TEST?

2082


WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >

1866


there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

1895