Electrical Engineering MCQs – Power Electronics MCQ Questions Part 10
Contents
- 1 If a large surge current of very short duration flows through a thyristor, then which of the following device will operate to protect the thyristor
- 2 The power semiconductor may undergo damage because of
- 3 Resistor is used in Snubber circuit so as to
- 4 IGBT combines the advantages of
- 5 A single-phase full bridge inverter can operate in load commutation mode provided that load is
If a large surge current of very short duration flows through a thyristor, then which of the following device will operate to protect the thyristor
If a large surge current of very short duration flows through a thyristor, then which of the following device will operate to protect the thyristor
- CB
- Fast acting current limiting device
- Snubber circuit
- Voltage clamping device
Correct answer: 2. Fast acting current limiting device
The power semiconductor may undergo damage because of
The power semiconductor may undergo damage because of
- High di/dt value
- High dv/dt value
- Low di/dt value
- Low dv/dt value
Correct answer: 1. High di/dt value
Resistor is used in Snubber circuit so as to
Resistor is used in Snubber circuit so as to
- Minimize the charging current
- Minimize the discharging current
- Minimize the loss
- All of these
Correct answer: 2. Minimize the discharging current
IGBT combines the advantages of
IGBT combines the advantages of
- BJTs and MOSFETs
- BJTs and SITs
- SITs and MOSFETs
- None of above
Correct answer: 1. BJTs and MOSFETs
A single-phase full bridge inverter can operate in load commutation mode provided that load is
A single-phase full bridge inverter can operate in load commutation mode provided that load is
- RL
- RLC critically damped
- RLC overdamped
- RLC underdamped
Correct answer: 4. RLC underdamped