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Questions related from Joshi Darshan
as we fire the TCR beyond the firing window of 90 to 180 degree current waveform gets positive/ negative bias. what is the reason behind that.?
21 June 2019 7,750 1 View
At present i am working on 1 kW battery charger based on full bridge topology. the charger repeatedly failed due to shoot through. this is not due to overlapping of gate pulse as my maximum duty...
02 January 2019 7,186 3 View
I am using high frequency transformer with EE 55 Ferrite core in battery charger in half bridge topology. I am repeatedly facing MOSFET failure in charger. Initially i believed that shoot...
11 January 2018 3,941 3 View
For high power & fast battery charger, what should be the acceptable charging rate.? I am using buck converter for the charging. actually for 100Ah battery(Li-Ion) if I provide 200 A charging,...
16 January 2017 1,683 2 View
actually for grid synch. process i want to implement these two methods. among these, for PLL i would like to go with [Vgrid TO V(alpha-beta) TO V(d-q). so can anyone explain the whole process...
20 August 2016 5,450 7 View
As boost converter has nothing to do with power. it simply boosts the voltage. for a instance let assume that we have constant load. and we want to maintain output voltage of boost converter...
17 August 2016 3,178 15 View
and what factors must be checked after calculating the vaues..? like THD,Resonant phenomena etc..
01 January 1970 3,515 3 View
As switches in the H bridge are switched @ high frequency, while others( Say S5 & S6) are switched at grid frequency. so what will be the pattern for that..?
01 January 1970 5,327 4 View