A semi converter operates in two quadrants.

More Questions from Power Electronics

• Figure shows a chopper feeding RLE load, The free wheeling diode conducts when
• A chopper
• Assertion (A): If the duty cycle of chopper is low the current would not become discontinuous Reason (R): If the time constant L/R of the load in chopper is low the current may become discontinuous.
• In a thyristor the gate current is increased, then
• Assertion (A): An ideal rectifier should have unity harmonic factor Reason (R): An ideal rectifier should have unity displacement factor.
• A thyristor has a maximum allowable junction temperature of 120°C and the ambient temperature is 40°C. If thermal resistance is 1.6° C/W, the maximum allowable internal power dissipation is
• The characteristics of a non-linear resistance is i = kv4. If i becomes 100 times, v becomes
• The number of leads in an SCR are :
• Thyristors are not suitable for logic circuits.
• A cycloconverter can be

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