Tata Power Solar Junior Engineer Electrical Interview Questions, Process, and Tips

Q1. OLTC in work
Ans. 
OLTC (On Load Tap Changer) adjusts transformer voltage under load, ensuring stable power supply and efficient operation.
• OLTC allows for voltage regulation without interrupting the power supply.

• It operates by changing the transformer tap connections while the transformer is energized.

• Commonly used in power transformers to maintain output voltage within specified limits.

• Example: In a substation, OLTC adjusts voltage leve...read more
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Q2. Inverter monitoring in work
Ans. 
Inverter monitoring involves tracking performance, efficiency, and operational status of inverters in electrical systems.
• Real-time performance tracking: Monitoring voltage, current, and power output.

• Efficiency analysis: Assessing the inverter's conversion efficiency over time.

• Fault detection: Identifying issues like overheating or component failures.

• Data logging: Recording operational data for future analysis and troub...read more
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Coding and decoding
Direction test

Q1. Why do you study in electrical engineer?
Ans. 
I study electrical engineering because of my passion for understanding and working with electrical systems.
• Passion for understanding and working with electrical systems

• Interest in designing and developing electrical devices

• Fascination with the principles of electricity and magnetism

• Desire to contribute to advancements in renewable energy

• Opportunity to solve complex technical challenges

• Potential for career growth and jo...read more
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Q2. How many are you bulid power transmission?
Ans. 
I have experience in building power transmission systems.
• I have built power transmission systems in my previous job.

• I have worked on projects involving power transmission systems.

• I am familiar with the process of building power transmission systems.

• I have knowledge of the equipment and materials required for power transmission systems.

• I have experience in designing power transmission systems for different environments.
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Q3. What is electricity?
Ans. 
Electricity is the flow of electrons through a conductor.
• Electricity is a form of energy that powers most of our modern devices.

• It is generated by various sources such as coal, wind, solar, and hydro power.

• Electricity can be stored in batteries and used later.

• It can be dangerous if not handled properly and can cause electric shocks or fires.

• Electricity is measured in units of volts, amps, and watts.
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