Capleo Global Interview Questions and Answers

Q1. What is the appreviation of Vfd
Ans. 
VFD stands for Variable Frequency Drive.
• VFD is an electronic device that controls the speed of an AC motor by varying the frequency of the electrical power supplied to the motor.

• It is commonly used in industrial and commercial applications to save energy and improve process control.

• VFDs can also improve motor performance and extend the life of the motor.

• Examples of VFD applications include HVAC systems, pumps, fans, an
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Q2. What is the incoming voltage high tension supply
Ans. 
Incoming voltage high tension supply refers to the voltage level of the electrical power supply.
• The incoming voltage high tension supply is typically between 11 kV and 33 kV for industrial and commercial applications.

• It is important to ensure that electrical equipment is rated for the incoming voltage high tension supply to prevent damage or safety hazards.

• Transformers are often used to step down the incoming voltage h...read more
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Q3. What is the transformer step down volage in high tension section.
Ans. 
The transformer step down voltage in high tension section depends on the specific system and requirements.
• The step down voltage is determined by the transformer's turns ratio

• High tension sections typically operate at voltages above 100 kV

• Step down transformers are used to reduce voltage for distribution to lower voltage systems
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Q4. What is the synchronising of the generator
Ans. 
Synchronising of a generator is the process of matching its speed and voltage with the grid before connecting it.
• Synchronising is necessary to avoid damage to the generator and the grid.

• It involves adjusting the speed and voltage of the generator to match that of the grid.

• Synchronising can be done manually or automatically using synchronising relays.

• Once synchronised, the generator can be connected to the grid and star...read more
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Q5. What is the appreciation of the AHU in chiller
Ans. 
AHU in chiller is appreciated for its ability to regulate temperature and humidity levels.
• AHU stands for Air Handling Unit

• AHU in chiller helps in maintaining the desired temperature and humidity levels in the building

• It also helps in improving indoor air quality by filtering out pollutants and allergens

• AHU can be customized to meet specific requirements of the building

• Proper maintenance of AHU is crucial for its effici
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Maintain the powerfactor 0.8 cos¤ in leading load. Lagging load is power loss.So maintain powerfactor unity or leading.

Ac transformer it is used for low voltage to high voltage step up or step down the supply voltage

3phase supply power unit £3 vi cos¤

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