Answer / m.gopinath

SDF=Switch Disconnctor Fuse Unit

Answer / shy11am

S.D.F Stand for 'SWITCH Disconnector Fuse' Unit with
Tripple pole neutral(R,Y,B,N).

it provide more safety compare to general fuse unit.

Answer / harish shukla

S.D.F. stands for SWITCH Disconnector Fuse Unit

Answer / arif mohiuddin

SDF Stands for switch fuse disconnector.

Answer / k.p.sharma

SDF=Switch Disconnctor Fuse Unit
SFU=Switch Fuse Unit

Answer / diwana

S.D.F = SWITCH Dis-connector Fuse

Dear friends , I am going attend interview for WARTSILA INDIA LIMITED , power plant .Could any 1 pls send me few questions. the area i have to concentrate? please send it to mikalraj@gmail.com. pls help me out

1 Answers  

How to increase home power factor? Can we connect capacitor directly? How to select capacity of capacitor?

5 Answers  

how to testing the AC 3 phase motor? and what is the test procedure & kits required for testing?

3 Answers  

can you give main difference between ELCB And RCCB?

38 Answers   MCB Bank, Reliance, Wipro,

no EB power DG is not starting?

6 Answers  

how u calculate ups battery backup

2 Answers  

can we synchronize star system generators with delta system generators?

2 Answers  

Transformer's core is made up of which material and why so?

10 Answers   ABB, NTPC,

What are types of central ac plants?

1 Answers   HSL,

WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

How to configure the drives in PLC, through Profibus commnication. And to how to address it?

0 Answers  

What is transformer tap changers please explain

3 Answers   Feedback Venture, Sail,