Power Electronics Thermal voltage VT can be given by qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. qT/K. (K2/q)(T + 1/T - 1). KT/q. Kq/T. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. To minimize the discharging current. All of these. To minimize the loss . To minimize the charging current. To minimize the discharging current. All of these. To minimize the loss . ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of different values across each SCR. resistors of the same value across each SCR. one resistor in series with each SCR. one resistor across the string. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. Snubber circuit. Heat sink. Voltage clamping device. CB and fuse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Materials used in heat sink should have All of these. high melting point. high thermal conductivity. large surface area. All of these. high melting point. high thermal conductivity. large surface area. ANSWER DOWNLOAD EXAMIANS APP
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