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Questions and Answers
What is the percentage of electrical consumption saved by an inverter air conditioner compared to a non-inverter?
What is the percentage of electrical consumption saved by an inverter air conditioner compared to a non-inverter?
- 25%
- 55%
- 44% (correct)
- 68%
Which of the following is NOT a power converter application?
Which of the following is NOT a power converter application?
- Medical equipment (correct)
- Motor drives
- Electric power transmission
- Heating and lighting control
What type of lighting system can save up to 68% of energy compared to traditional lighting systems?
What type of lighting system can save up to 68% of energy compared to traditional lighting systems?
- Fluorescent lamp ballasts
- Halogen lights
- LED lights (correct)
- Incandescent lights
Which of the following devices uses a power converter to provide a stable output voltage?
Which of the following devices uses a power converter to provide a stable output voltage?
What is the main application of power converters in electric vehicles?
What is the main application of power converters in electric vehicles?
What is the primary function of a power converter in an Uninterruptible Power Supply (UPS) system?
What is the primary function of a power converter in an Uninterruptible Power Supply (UPS) system?
What type of power supply is used to provide continuous power to critical loads during main power supply failures?
What type of power supply is used to provide continuous power to critical loads during main power supply failures?
In DC motor drives, what is the purpose of the armature constant (K)?
In DC motor drives, what is the purpose of the armature constant (K)?
What type of motor is commonly used in hybrid/electric vehicles?
What type of motor is commonly used in hybrid/electric vehicles?
What is the purpose of a UPS in medical equipment and hospitals?
What is the purpose of a UPS in medical equipment and hospitals?
What happens to the motor speed (ω) in a Separately Excited DC Motor when the load torque (Td) changes?
What happens to the motor speed (ω) in a Separately Excited DC Motor when the load torque (Td) changes?
What is a common application of power converters in financial institutions?
What is a common application of power converters in financial institutions?
What is the value of Ia2 in terms of Ia1 and flux values?
What is the value of Ia2 in terms of Ia1 and flux values?
What is the type of drives that uses controlled rectifiers or choppers?
What is the type of drives that uses controlled rectifiers or choppers?
For a single-phase full-wave converter drive, what is the expression for Va?
For a single-phase full-wave converter drive, what is the expression for Va?
What is the purpose of a full-wave converter in a DC motor drive?
What is the purpose of a full-wave converter in a DC motor drive?
What is the condition for a single-phase half-wave converter drive?
What is the condition for a single-phase half-wave converter drive?
What is the unit of the constant load torque mentioned in the example?
What is the unit of the constant load torque mentioned in the example?
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