Tap or click on cards to flip them and reveal the answers. You can use arrow keys as well.
Loading folders...
1/15 cards
What is power electronics?
Click to flip
Power electronics refers to the study and application of electronic devices and circuits to control and convert electric power.
Click to flip
What is a rectifier in power electronics?
Click to flip
A rectifier is a device that converts alternating current (AC) to direct current (DC).
Click to flip
What are the main components used in power electronics?
Click to flip
The main components include diodes, transistors, and thyristors.
Click to flip
Explain the significance of an inverter in power electronics.
Click to flip
An inverter converts DC electricity into AC electricity, enabling its use in AC-powered devices.
Click to flip
What is a power diode, and how does it differ from a signal diode?
Click to flip
A power diode is used in high current applications, with higher current and power ratings than signal diodes, which are used in low-current applications.
Click to flip
Why are insulated-gate bipolar transistors (IGBTs) commonly used in power electronics?
Click to flip
IGBTs are known for their combination of high efficiency and fast switching, making them suitable for high-power applications.
Click to flip
Define the term 'switching losses' in power electronics.
Click to flip
Switching losses occur during the transition between on and off states in a power device due to non-instantaneous switching.
Click to flip
What is a thyristor, and what role does it play in power electronics?
Click to flip
A thyristor is a semiconductor device used as a switch in high power, high-voltage applications.
Click to flip
How does a static synchronous compensator (STATCOM) benefit a power system?
Click to flip
STATCOM improves voltage stability and reactive power control within a power system.
Click to flip
What is pulse-width modulation (PWM) in the context of power electronics?
Click to flip
Pulse-width modulation (PWM) is a technique where the width of the pulses in a pulse train is varied to control power delivery.
Click to flip
What is the role of heat sinks in power electronics?
Click to flip
Heat sinks dissipate excess heat generated by electronic components to prevent overheating.
Click to flip
How does a semiconductor fuse function in power electronic circuits?
Click to flip
A semiconductor fuse quickly interrupts the circuit to protect against overcurrent that can damage sensitive semiconductor devices.
Click to flip
What is the function of a DC-DC converter in power electronics?
Click to flip
A DC-DC converter changes one DC voltage level to another, either stepping up (boost) or stepping down (buck).
Click to flip
What are the losses associated with power electronics and how are they categorized?
Click to flip
Losses in power electronics are generally categorized into conduction losses and switching losses.
Click to flip
Why is electromagnetic interference (EMI) a concern in power electronic designs?
Click to flip
EMI is unwanted noise generated by electronic devices interfering with operation, necessitating design strategies to reduce it.
Click to flip
Need More Study Materials?
Go back to the chat to generate additional resources.