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Hitachi Hi-Rel Power Electronics Service Engineer Interview Questions and Answers
Hitachi Hi-Rel Power Electronics Service Engineer Interview Experiences
2 interviews 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 ...
Interview Preparation Tips
Selected
I was interviewed before Jan 2024.
(2 Questions)
- Q1. Why do you want this job
- Q2. How long you will be at Hitachi
(1 Question)
- Q1. About Transformer, General wiring diagram details of electrical symbol, Basic question from electrical field
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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
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.
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 was interviewed in Dec 2024.
(2 Questions)
- Q1. How three level inverter topology work?
- Q2. Explain data centre electrical configuration with UPS.
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
Interview Preparation Tips
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...
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Hitachi Hi-Rel Power Electronics Service Engineer Interview Process
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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 |
|
Assistant Manager
78
salaries
| ₹4.4 L/yr - ₹13 L/yr |
|
Service Engineer
78
salaries
| ₹2 L/yr - ₹5.1 L/yr |
|
Design Engineer
45
salaries
| ₹2 L/yr - ₹5.2 L/yr |
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