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Hitachi Hi-Rel Power Electronics Service Engineer Interview Questions and Answers
Hitachi Hi-Rel Power Electronics Service Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.
(3 Questions)
- Q1. UPS working Principal.
- Q2. How Rectifier & Inverter Section Works.
- Ans.
Rectifier converts AC to DC while Inverter converts DC to AC.
Rectifier section uses diodes to convert AC to DC.
Inverter section uses transistors to convert DC to AC.
Rectifier section is used in power supplies while Inverter section is used in UPS.
Rectifier section is used in welding machines while Inverter section is used in air conditioners.
Both sections are used in electric vehicles to convert power from battery to m
- Q3. What is Harmonics ??
- Ans.
Harmonics are electrical voltages or currents that are multiples of the fundamental frequency.
Harmonics can cause problems in electrical systems, such as overheating of equipment and interference with communication systems.
They are often caused by non-linear loads, such as computers, variable speed drives, and LED lighting.
Harmonic distortion can be measured using a power quality analyzer.
Mitigation techniques include ...
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Selected
I was interviewed in Feb 2024.
(2 Questions)
- Q1. Why do want to work with us
- Q2. What u see in urself for 5 years
Selected
I applied via Approached by Company and was interviewed in May 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Basics general questions
- Q2. Why are you looking for change. How much hike are you expecting. Why do you want to change within 6 months of joining a new company in my case. Etc
(2 Questions)
- Q1. General questions from project and services.
- Q2. 1. What is risk analysis,or have you done in your previous job. 2. What is toughest job or project you handled. 3. What is safety, how would you improve it. 4. Standard of materials being used HVAC PROJECT...
- Ans.
Risk analysis involves identifying potential risks in a project or job and taking steps to mitigate them.
Risk analysis involves identifying potential hazards or risks in a project or job.
It includes assessing the likelihood of these risks occurring and the potential impact they could have.
Steps are then taken to mitigate or eliminate these risks to ensure the safety of the project and personnel.
For example, in a previo...
(2 Questions)
- Q1. Interview with regional service head
- Q2. Basics question just like HR. Even though it was difficult convince him that I'm looking for a long association with company as I was switching job within 6 months from joining a new company therefore I wa...
I applied via Company Website and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical related
Interview Preparation Tips
Selected
I was interviewed in Feb 2024.
(2 Questions)
- Q1. Why do want to work with us
- Q2. What u see in urself for 5 years
Selected
I applied via Approached by Company and was interviewed in May 2023. There were 4 interview rounds.
(2 Questions)
- Q1. Basics general questions
- Q2. Why are you looking for change. How much hike are you expecting. Why do you want to change within 6 months of joining a new company in my case. Etc
(2 Questions)
- Q1. General questions from project and services.
- Q2. 1. What is risk analysis,or have you done in your previous job. 2. What is toughest job or project you handled. 3. What is safety, how would you improve it. 4. Standard of materials being used HVAC PROJECT...
- Ans.
Risk analysis involves identifying potential risks in a project or job and taking steps to mitigate them.
Risk analysis involves identifying potential hazards or risks in a project or job.
It includes assessing the likelihood of these risks occurring and the potential impact they could have.
Steps are then taken to mitigate or eliminate these risks to ensure the safety of the project and personnel.
For example, in a previo...
(2 Questions)
- Q1. Interview with regional service head
- Q2. Basics question just like HR. Even though it was difficult convince him that I'm looking for a long association with company as I was switching job within 6 months from joining a new company therefore I wa...
BS Styles
(1 Question)
- Q1. They asked about my current company's work.
(1 Question)
- Q1. She wanted to know whether I have done something remarkable in my professional career.
atul rai
(1 Question)
- Q1. Power electronics working principle
- Ans.
Power electronics is the study of electronic circuits used to convert and control electric power.
Power electronics deals with the conversion of electrical energy from one form to another.
It involves the use of semiconductor devices such as diodes, transistors, and thyristors.
Power electronics is used in a wide range of applications such as motor drives, renewable energy systems, and power supplies.
The working principle...
(1 Question)
- Q1. Why do you leave the current company
Major problem resolve
Interview Preparation Tips
I applied via Company Website and was interviewed in Apr 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical related
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Hitachi Hi-Rel Power Electronics Service Engineer Reviews and Ratings
based on 30 reviews
Rating in categories
|
Senior Engineer
118
salaries
|  ₹2.8 L/yr - ₹7.1 L/yr |
|
Engineer
111
salaries
| ₹1.8 L/yr - ₹5.4 L/yr |
|
Service Engineer
78
salaries
| ₹2 L/yr - ₹5.1 L/yr |
|
Assistant Manager
77
salaries
| ₹4.2 L/yr - ₹12 L/yr |
|
Design Engineer
45
salaries
| ₹2 L/yr - ₹5.2 L/yr |
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