Renom Energy Services Engineer Interview Questions and Answers

The Pitch system in Gearless technology controls the angle of the blades to optimize energy production.

• Pitch system adjusts the angle of the blades based on wind conditions to maximize energy output.

• It helps in protecting the turbine from damage during high wind speeds by adjusting the blade angle.

• Pitch system can be controlled manually or automatically depending on the turbine design.

• Examples of Pitch system in action...read more

Excitation starts by applying a voltage to the field winding of the generator.

• Excitation starts by applying a voltage to the field winding of the generator.

• This voltage creates a magnetic field in the generator's rotor.

• The magnetic field induces a voltage in the stator windings, which generates electricity.

• Excitation can be achieved through various methods such as self-excitation, separate excitation, or permanent magn...read more

Power flow & Control flow of Enercon WEC involves the generation of electricity from wind energy and the management of power output.

• Power flow in Enercon WEC involves converting kinetic energy from wind into electrical power through the rotation of the turbine blades.

• Control flow includes monitoring wind speed, adjusting blade pitch angle, and regulating generator output to optimize power generation.

• Enercon WECs use ad...read more

Enercon Turbines have different models based on size, capacity, and technology.

• E-48/800 kW - small size, suitable for low wind speed areas

• E-82/2 MW - medium size, suitable for moderate wind speed areas

• E-126/7.5 MW - large size, suitable for high wind speed areas

• Different models have varying rotor diameters, hub heights, and power outputs

The E48 turbine uses optical communication for data transmission.

• Optical communication involves using light to transmit data instead of electrical signals.

• Fiber optic cables are commonly used in optical communication for their high bandwidth and low interference.

• Optical communication in the E48 turbine may be used for monitoring and controlling various parameters such as temperature, pressure, and speed.

The pitch system in engineering controls the angle of the blades on a wind turbine or aircraft to optimize performance.

• Pitch system adjusts blade angle to control speed and power output

• Can be controlled manually or automatically based on wind conditions

• Diagram should show blades connected to pitch system and control mechanism

Power can be converted and matched to grid parameters using power converters and control systems.

• Use power converters such as inverters to convert power from DC to AC or vice versa.

• Implement control systems to ensure the converted power matches the grid parameters.

• Adjust parameters such as voltage, frequency, and phase angle to match the grid requirements.

• Utilize communication protocols like Modbus or DNP3 for grid int...read more

The performance of a turbine is evaluated by measuring key parameters such as efficiency, power output, and heat rate.

• Efficiency is calculated by dividing the actual power output by the theoretical power output.

• Power output is measured in kilowatts or megawatts.

• Heat rate is the amount of fuel required to produce a unit of electricity.

• Performance can also be evaluated by monitoring vibration levels, temperature, and pre...read more

To improve PLF, focus on optimizing equipment performance, reducing downtime, and increasing operational efficiency.

• Regular maintenance and servicing of equipment to ensure optimal performance

• Implementing predictive maintenance techniques to reduce downtime

• Investing in automation and technology to increase operational efficiency

• Training staff on best practices and efficient operation of equipment

• Monitoring and analyzin...read more

I am currently located in San Francisco, California, a vibrant city known for its iconic Golden Gate Bridge and diverse culture.

• San Francisco is famous for its hilly landscape and Victorian architecture.

• The city is home to tech giants like Google and Facebook, located in nearby Silicon Valley.

• Cultural landmarks include Alcatraz Island and Fisherman's Wharf.

• The climate is characterized by cool summers and fog, especiall...read more

The Present LPA refers to the current annual salary of the individual.

• Present LPA stands for Present Last Payable Amount.

• It is the current annual salary of the individual.

• It is important for employers to know the Present LPA of potential employees to determine salary expectations.

• Candidates can negotiate their salary based on their Present LPA.

The expected LPA (Lakhs Per Annum) is the average annual salary that an engineer can expect to earn.

• The expected LPA can vary based on factors such as experience, education, industry, and location.

• For example, a fresh graduate engineer may have an expected LPA of 3-6 lakhs, while a senior engineer with years of experience may have an expected LPA of 10-20 lakhs.

• Engineers working in industries like IT or oil and gas ten...read more

I maintained a positive attitude and worked efficiently in a collaborative environment.

• I was always punctual and ready to work

• I communicated effectively with my team members and superiors

• I followed safety protocols and maintained a clean work area

• I adapted quickly to changes in the work environment

• I took initiative and was proactive in problem-solving

• Example: During a construction project, I noticed a potential safety ...read more

I have solved errors related to software bugs, hardware malfunctions, calibration issues, and communication failures on the machine.

• Software bugs: Debugging code to fix issues with program logic or functionality.

• Hardware malfunctions: Repairing or replacing faulty components to restore machine operation.

• Calibration issues: Adjusting settings to ensure accurate measurements or performance.

• Communication failures: Trouble...read more