Kunal Sen

9 Questions 36 Answers 0 Followers

Questions related from Kunal Sen

Can Noble gases be used in place of Sulphur Hexafluoride gas in SF6 Circuit Breakers?

SF6 gas gets converted to a very toxic gas when an arcing takes place in its presence in a Circuit breaker. Whereas, a noble gas has properties much better than SF6 gas, viz. very low melting and...

02 March 2015 3,625 3 View

Can the speed control of an Induction motor be achieved by controlling the strength of the stator rotating field ?

In this way, the use of power electronic converters may be avoided. Thus making the speed control of an Induction Motor more economical.

02 March 2015 1,151 7 View

Will a turned ON thyristor (SCR) work normally if, for eg., (-20 V) and (-40 V) voltages are applied at its anode and cathode terminals, respectively?

Or, conversely, if, 40 V and 20 V voltages are applied at the anode and cathode terminals respectively?

16 September 2014 2,423 5 View

Is it practically viable to use an anti-parallel combination of two SCRs in a 600 V Furnace power circuit, instead of using a single TRIAC?

Can someone also provide the terminal considerations in the anti-parallel configuration, if such a design is practically possible.

01 September 2014 2,521 5 View

Can anybody provide the comparative merits and demerits of the Automatic Power Factor Controllers (APFCs), Static Compensators (STATCOMs), etc.?

Power factor correction is a vital component of power supply systems. Different industries implement different methods of power factor improvement according to their suitability. Various methods...

07 August 2014 1,888 1 View

What will happen if the cathode and gate terminals of a SCR (forward biased) are shorted or connected together?

And what will happen when the same thing is done for a reverse biased SCR?

06 January 2014 8,028 2 View

In a Wound Rotor Induction Motor, does any voltage appear between the output terminals (3) of the rotor conductors?

Voltage and current characteristics of the rotor of a WRIM at starting and running condition.

25 November 2013 8,111 10 View

Can the blocked rotor test be performed on a Synchronous Motor?

29 September 2013 7,038 4 View

How can the performance of a flywheel (in electric generators) be improved?

Such that it accepts as well as transfers maximum energy.

14 August 2013 4,891 3 View