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Interview Questions | Power System

http://powersystem.in/?page_id=20

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Power System..Exploring Electrical Engineering

Sep 04

Interview Questionsby admin Electrical Engineering Interview Questions (Power System) Electrical Design Engineering, Hydro Power, Thermal Power Station Questions, Switchyard 220kV/ 400kV/ 765 kV, Substation Questions 1. HTC Interview: (as told by RS) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.1 of 8

Preparation of DPR, How dimension are made for generator. Favorite BOP item. Ring / Bus topography in SCADA SCR and its value ? What to specify in Generator Transformer tender ? Transformer Losses Penalty ? Specifications (415 Switchgear) What u did in different projects? Tell about your current Team in Company. How work is done (Special Team or Project wise) in your company ?

3/1/2012 7:01 PM

Interview Questions | Power System

http://powersystem.in/?page_id=20

11. 12. 13. 14. 15. 16.

Expected Package ? Why HTC? How u come to know us? Why in short span of time, you post your cv on website? About tender floating process ? What was your involvement during pre-bid meeting etc.

2. Voith (Telephonic Interview as told by RS) 1. 2. 3. 4. Tell me about vector group Ynd11 what its technical mean ? Protection of GT ? Differential and REF. Ratio of REF CT ? Why single phase transformer is used ?

3. Alstom (As told by RS, UP) 1. 2. 3. 4. 5. 6. 7. 8. SLD Any Hydro Electric Plant. Schemes of Bas bars CBIP : Main and Transfer BB Explanation SS Equipments LA Rating Why less than rated V ? : Fault level 40 kA, Current rating Breaker : Types and ratings CBIP Disconnector Switch / Isolator Post Insulator Civil Structures Foundations Stool

9. Clearances for different Voltages 132/220/400kV Sectional Equipment Earth 1. Layout of switchyard 2. Auto-Transformer: Function and why used ? 3. Transformer specification / Datasheet Tx. Protection WTI OTI

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3/1/2012 7:01 PM

Interview Questions | Power System

http://powersystem.in/?page_id=20

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Buckohles Transformer Oil Functions : Cooling, Insulation between Windings

Tea Break (Upto this 1hr) 1. What u have doneTell. 2. Earthing : Start IEE-80, IS 3043, CBIP. By flow chart of IEEE 80 Rg