If a fan get trip and run in reverse direction due to system flow. Now in this condition during starting how can a VFD bring this negative speed to zero and later run in forward direction?

2 Answers   Aditya Birla, Siemens,

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how we are desining 63.5 ohm resistor for NGR of alternator?

1 Answers  

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ow can i get certificate of competency as electrical supervisor and my diploma in electrical engineering from jalgaon.

0 Answers   ONGC,

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WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL

0 Answers  

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why we use 50 hz frequency in india .. why not 60 hz 

3 Answers  

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why the power cut problems occur in tamil nadu? may i know the exact reason.plz

17 Answers  

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what happened if power factor is "1"

9 Answers   Reliance,

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what is different between relay and plc?

3 Answers  

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what is the fullform of mccb

10 Answers   Thermax,

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Hi How can you start-up the 40w tube lite with 230v AC/DC without using any choke/Coil.

5 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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