Wind World Interview Questions and Answers

Q1. Can be check DC current by using Tester
Ans. 
Yes, DC current can be checked using a multimeter or clamp meter designed for DC measurements.
• Use a multimeter set to the DC current mode to measure current directly.

• Clamp meters can measure DC current without breaking the circuit, useful for larger wires.

• Ensure the multimeter probes are connected correctly: red to positive, black to negative.

• For example, to measure a battery's current, connect the multimeter in series...read more
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Q2. Transformer is connect breather why but corrugated transformer not connected breather why
Ans. 
Breathers in transformers manage moisture; corrugated transformers use sealed designs, eliminating the need for breathers.
• Breathers are used in conventional transformers to absorb moisture from the air.

• Corrugated transformers have a sealed design that prevents moisture ingress.

• Breathers help maintain insulation integrity in transformers by keeping the oil dry.

• Example: A conventional transformer with a breather may requ...read more
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Q3. How connection Yaw motor and pitch motor connection How yaw motor smoothly yawing connection how many types and why
Ans. 
Yaw and pitch motors control the orientation of devices; smooth operation is crucial for stability and performance.
• Yaw motors control horizontal rotation; pitch motors control vertical tilt.

• Types of yaw motor connections include direct drive and gear drive.

• Smooth yawing can be achieved using PID controllers for precise control.

• Example: Wind turbines use yaw motors to align with wind direction for efficiency.

• Pitch motor...read more
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Q1. Current salary in Last year
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My salary last year was competitive, reflecting my experience and contributions to the projects I worked on.
• I earned a base salary of $120,000, which was aligned with industry standards for my role.

• In addition to my base salary, I received a performance bonus of $10,000 for exceeding project goals.

• I also participated in a stock option program, which added significant value to my overall compensation package.
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Q2. Excepted salary information
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Q1. How many years of experience in wind
Ans. 
I have 8 years of experience in wind energy industry.
• I have worked in the wind energy industry for 8 years

• Experience includes designing, installing, and maintaining wind turbines

• Familiar with industry standards and regulations

• Completed projects in various locations with different wind conditions
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Q2. Total experience in carear
Ans. 
I have over 10 years of experience in software engineering, specializing in full-stack development and project management.
• Started my career as a junior developer at XYZ Corp, where I learned the fundamentals of coding and software design.

• Progressed to a mid-level engineer role at ABC Inc., leading a team to develop a successful e-commerce platform.

• Currently working as a senior engineer at DEF Ltd., focusing on cloud-ba...read more
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Q3. Working at height for 74th meter
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Tower claimb test of 800w wtg

Q1. What types of protection mechanisms are used in transformers?
Ans. 
Transformers use various protection mechanisms to ensure safe operation and prevent damage from faults.
• Overcurrent Protection: Uses fuses or circuit breakers to disconnect the transformer during overload conditions.

• Differential Protection: Detects differences in current between primary and secondary windings to identify faults.

• Bushing Insulation Protection: Monitors the insulation condition of transformer bushings to p...read more
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Q2. What is the Vdv test in transformers?
Ans. 
The Vdv test assesses the insulation resistance and dielectric strength of transformers to ensure safe operation.
• Vdv stands for Voltage, Dielectric, and Voltage test.

• It measures the insulation resistance of transformer windings.

• A typical test voltage might be 500V or 1000V, depending on the transformer rating.

• The test helps identify potential insulation failures before they lead to breakdown.

• Results are compared agains...read more
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Q3. What is the function of a Buchholz relay in a transformer?
Ans. 
A Buchholz relay detects gas and oil flow changes in transformers, providing protection against faults.
• Monitors gas accumulation due to insulation failure or overheating.

• Detects sudden oil movement caused by internal faults.

• Provides alarm signals for maintenance or immediate action.

• Commonly used in oil-immersed transformers.

• Example: If a transformer overheats, gas is produced, triggering the relay.
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Q1. Basis principal for electrical
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Q2. Ensure safety before you can do any work
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Q1. Current salary working company
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Q2. Expected salary
Ans. 
I expect a salary that reflects my experience, skills, and the industry standards for a Supervisor role.
• Research industry standards: For example, similar roles in our region typically offer between $60,000 and $80,000 annually.

• Consider my experience: With over 5 years in supervisory roles, I believe a salary on the higher end is justified.

• Factor in company size: Larger companies often have more resources and may offer ...read more
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Q1. What is Transformer ? How many of protection used in Transformer ?
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Q2. What is DOL Starter and Star delta Starter ?
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Q3. What is VFD ?
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Q1. How many types of Bearing
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Q2. Why we use lubrication in Machine.
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