Sudhir Power Engineer Trainee Interview Questions and Answers

Q1. What is Plant load factor
Ans. 
Plant load factor is a measure of the actual output of a power plant compared to its maximum possible output.
• Plant load factor is calculated by dividing the actual energy generated by the plant over a specific period by the maximum possible energy that could have been generated during the same period.

• It is expressed as a percentage and indicates how efficiently a power plant is being utilized.

• A high plant load factor i...read more
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Q2. What is machine availablity and how to calculate it
Ans. 
Machine availability is the percentage of time a machine is able to be used for its intended purpose.
• Machine availability is calculated by dividing the total operating time by the total time in a given period, then multiplying by 100.

• For example, if a machine operates for 800 hours in a month and there are 1000 total possible operating hours, the availability would be 80%.

• Factors like downtime, maintenance, and repairs
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Q1. My experience with wind turnbine
Ans. 
I have extensive experience working with wind turbines, including maintenance, troubleshooting, and repairs.
• Performed regular maintenance checks on wind turbines to ensure optimal performance

• Troubleshooted and repaired mechanical and electrical issues as needed

• Worked with a team to install new wind turbines and ensure they were functioning correctly

• Utilized specialized tools and equipment to perform tasks safely and ef
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Q2. Roles and responsibilities at site incharge level
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Site incharge oversees operations, manages resources, ensures safety, and coordinates with stakeholders.
• Managing day-to-day operations at the site

• Supervising and coordinating with on-site staff and contractors

• Ensuring compliance with safety regulations and protocols

• Managing resources effectively to meet project deadlines

• Communicating with clients, vendors, and other stakeholders

• Troubleshooting technical issues and prov...read more
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Q1. Cane related what is rediuse in WTG to Cane
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Q2. How to failure coupling in Ganesa WTG
Ans. 
Failure in coupling in Ganesa WTG can occur due to misalignment, wear and tear, or lack of lubrication.
• Misalignment of the coupling can lead to failure, causing vibration and noise.

• Wear and tear of the coupling components can result in reduced efficiency and eventual failure.

• Lack of proper lubrication can cause increased friction and overheating, leading to coupling failure.
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Q3. 24 to 40 meeter
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Q4. Quality issue there 0 max coupling
Ans. 
The quality issue with 0 max coupling refers to a problem with the maximum coupling value in a system.
• Investigate the root cause of the quality issue with 0 max coupling

• Check for any software or hardware malfunctions causing the problem

• Ensure proper calibration and maintenance of the system

• Implement corrective actions to resolve the quality issue
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Q1. What is your Current CTC
Ans. 
My current CTC is $60,000 per year.
• My current CTC is $60,000 per year

• I am currently earning $5,000 per month

• My total compensation package is $60,000 annually
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Q2. What is expected CTC
Ans. 
My expected CTC is negotiable based on the job responsibilities and market standards.
• My expected CTC is based on my experience, skills, and the job requirements.

• I am open to discussing the compensation package during the interview process.

• I am looking for a competitive salary that reflects my qualifications and contributions.

• I am flexible and willing to consider a range of compensation options.

• I am seeking a fair and r...read more
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Focus on communication skill.

Q1. Focus on roll and work wise technical skill.
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Q1. Line diagram of WTG
Ans. 
A line diagram of a wind turbine generator (WTG) shows the flow of energy from wind to electricity.
• The diagram typically includes the rotor blades, gearbox, generator, and power electronics

• The blades capture wind energy and turn the rotor, which drives the gearbox

• The gearbox increases the rotational speed and sends it to the generator

• The generator converts the rotational energy into electrical energy

• The power electroni...read more
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Q2. Working of DFIG converters
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DFIG converters are used in wind turbines to convert variable frequency AC power to DC power and back to AC power.
• DFIG stands for Doubly Fed Induction Generator

• The converter consists of two back-to-back voltage source converters

• One converter controls the rotor current and the other controls the grid current

• The rotor current is controlled to maintain a constant torque on the turbine

• The grid current is controlled to main...read more
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Q1. Electrical basic and advance knowledge
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Q2. HT LT line, transformer,generator
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Q3. Igbt,thyrister,rectifier,inverter,diode
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Q1. Tell me about DFIG
Ans. 
DFIG stands for Doubly Fed Induction Generator, a type of generator used in wind turbines.
• DFIG is a type of generator commonly used in wind turbines

• It has two sets of windings - one connected to the grid and the other connected to a converter

• The converter allows control of the generator's output power and speed

• DFIG is known for its ability to provide variable speed operation and improved efficiency

• It is a popular choic...read more
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Q2. How wind power is generated
Ans. 
Wind power is generated by harnessing the kinetic energy of wind to turn turbines, which then convert the energy into electricity.
• Wind turbines capture the kinetic energy of the wind and convert it into mechanical energy.

• The mechanical energy is then used to turn a generator, which produces electricity.

• Wind power is a renewable energy source that is clean and sustainable.

• Wind farms are large areas with multiple wind tu...read more
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