Brushless excitation of synchronous generators and motors

2 Answers   AMIE,

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WHAT AC (HI VOLTAGE TEST) VOLTAGE SHOULD APPLY FOR 33KV CABLES.EXPLAIN IN DETAIL

12 Answers   NTPC, Voltech,

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What is q factor?

0 Answers  

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What is surge impedence and surge loading....???

1 Answers  

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What is Phase to Phase clearance for 800V System Operating Voltage as per IEC61439

0 Answers  

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What are the disadvantages of LT AVR over HT AVR?

1 Answers   APTransco, Jindal, TNEB Tamil Nadu Electricity Board,

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is it possible to step down voltage of single phase from a three phase sysem? explain

2 Answers  

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we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

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i am swathi, b.tech 4th year. In smps(switched mode power supply)we are using diodes,mosfets,igbts for controling of current. And my question is why we did not use thyristors(scr)? it is also act as a switch,then what is the drawback of scr as compared to above transisters> if we use the scr,then what is happening ? plz give reply as soon as possible bcoz i am doing project on smps. plz frnds i want ans for that. if anybody know the ans plz send to my e-mail id /swathi.tadakapally@gmail.com/

5 Answers   EEE, TCS,

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How to implement 6 output with 3 input NAND gate?

1 Answers  

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What is farmula to calculate Diesel cunsumption as par KVA.

3 Answers   HCL,

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why we ground the scondary of current transformer.

4 Answers  

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