Q. When a single phase dual converter is operating in circulating current mode

View solution

Q. In a 3 phase bridge inverter, the gating signals for the three phases have a phase difference of

View solution

Q. The total number of leads in SCR, DIAC and TRIAC respectively are

View solution

Q. A single phase semiconverter is feeding a highly inductive load and has a freewheeling diode across the load. The waveshape of input current is

View solution

Q. In a semi converter feeding a resistive load

View solution

Q. In an n stage high frequency series inverter having a time period T, each stage is active for a time interval of

View solution

Q. In a 3 phase semiconverter, the output voltage becomes discontinuous for

View solution

Q. In integral cycle control of ac regulator, the input power factor is equal to

View solution

Q. McMurrary full bridge inverter uses

View solution

Q. A fully controlled bridge converter feeds a highly inductive load such that the load current can be assumed to be constant. The wave shape of input current is

View solution

Q. A static excitation system uses

View solution

Q. The application of gate signal decreases the break over voltage of on SCR.

View solution

Q. The power factor at the input terminals of a cyclo- converter is generally

View solution

Q. Ripple factor RF and form factor FF are related as

View solution

Q. Modified Mc Murray full bridge inverter uses

View solution