Answer / nithi

Undoubtly,
MOSFET.It has the high switching frequency of
around 100khz.

SCR - 2khz
IGBT - 20khz

Answer / chint

igbt

Answer / chandrika

mosfet can be operated at high frequency ,because in this
only majority carriers r there and no secondary breakdown
is not there.

Answer / mohamed ali

Hi,

Insulate gate biboer transister because of with out
intermpssion,

need help, please can someone tell me how can i calculate the main breaker and branches breakers to distribution panels (MDB) depending on the load ampere .. i really need it but can't find any site >>

3 Answers  

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what is ht breaker

8 Answers  

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what is the difference SCR & TRIAC?

13 Answers   TCS,

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Hi guys! Plz help me to answer the following questions. 1. What are the types of transmission line energy losses? 2. Why are the VLF are used some types of services? 3. What frequencies are used for reliable beyond the horizon terrestrial communication without repeaters? 4. To permit selection of 1 out 16 equi-probable, what is the number of bitis required? 5. What is the most common modulation used for telegraphy? 6. What is the multiplexing is used to increase the capacity of the optic fiber? Thanks

0 Answers  

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How to make vector group test of transformer?

2 Answers  

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1.What is the maximum transmission voltage in india & where it is located? 2.more information about indian power scenario.

4 Answers  

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

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In the case of petrochemical area AC drive & AC motor is used where the speed variation is required. Why they are not Using DC drive & DC motors in such areas?

1 Answers  

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How can you limit the fault level in a power system?

1 Answers   Alfanar,

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difference between over current and over load protection?

5 Answers   BARC,

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If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers  

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