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Hitachi Hi-Rel Power Electronics Interview Questions, Process, and Tips

Updated 7 Feb 2025

Top Hitachi Hi-Rel Power Electronics Interview Questions and Answers

View all 15 questions

Hitachi Hi-Rel Power Electronics Interview Experiences

Popular Designations

20 interviews found

Round 1 - HR 

(1 Question)

  • Q1. Experience, salary expectations
Round 2 - Technical 

(1 Question)

  • Q1. Supply chain management

Interview Preparation Tips

Interview preparation tips for other job seekers - Come with preparation .........

Assistant Manager - SCM Interview Questions asked at other Companies

Q1. What is your understanding of Supply Chain and explain how it affects a business?
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Feb 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Technical Product and Fundamental based interview
  • Q2. On UPS and components
Round 3 - HR 

(1 Question)

  • Q1. Salary negotiable and confirmation

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare technically. And travelling comfortable is must for customer support engineers.

Engineer- Customer Support Interview Questions asked at other Companies

Q1. If the customer is very irate and he is speaking profanity,how will you deal with them?
View answer (3)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Dec 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Technical 

(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

  • Answered by AI
  • 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 ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - In Hitachi if you are technically sound then no issue otherwise you have to prepare basic Electronics knowledge ASAP.

Service Engineer Interview Questions asked at other Companies

Q1. What are the compulsory policy excess in four wheeler private vehicles?
View answer (12)

Engineer Interview Questions & Answers

user image Anonymous

posted on 6 Oct 2022

I applied via Referral and was interviewed before Oct 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Present Job Roles and Experience Discussion
  • Ans. Details to be provided on the current organization's roles and experiences
  • Answered Anonymously
Round 3 - Technical 

(4 Questions)

  • Q1. Knowledge about the product
  • Ans. Get the good knowledge or information about the product. If having the working knowledge of the same product it is good enough.
  • Answered Anonymously
  • Q2. Deeply technical knowledge.
  • Q3. Knowledge of core electronics
  • Q4. Work experience on the particular product

Interview Preparation Tips

Topics to prepare for Hitachi Hi-Rel Power Electronics Engineer interview:
  • Electronics Engineering
  • Power Electronics
  • Electrical Engineering
  • inverter
  • Battery Charger
  • Battery Bank
Interview preparation tips for other job seekers - Technical Round is the top priority here, knowledge of the work is must.

Engineer Interview Questions asked at other Companies

Q1. ❖ If a team member is unable to carry out his work, he is doing it repetitively, how would you handle it?, would you like to work only on lifing of components, or would you be ready to shift to other departments?
View answer (7)

Hitachi Hi-Rel Power Electronics interview questions for popular designations

 Engineer

 (3)

 Junior its Engineer

 (2)

 Service Engineer

 (2)

 Assistant Manager

 (1)

 Assistant Manager - SCM

 (1)

 Assistant Sales Manager

 (1)

 Customer Care Executive

 (1)

 Design Engineer

 (1)

I applied via Company Website and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Technical, background, education details, experience
  • Q2. Related to Service, AMC, battery sales

Interview Preparation Tips

Interview preparation tips for other job seekers - It's good

Assistant Manager Interview Questions asked at other Companies

Q1. You are Handling cash operations then how you manage operations with sales ?
View answer (86)

Get interview-ready with Top Hitachi Hi-Rel Power Electronics Interview Questions

I applied via Approached by Company and was interviewed before Aug 2021. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. Basic questions like current job role, salary, relocation, travelling.
Round 3 - Technical 

(4 Questions)

  • Q1. Question regarding Online UPS SYSTEMS, Operation, marketing, market value, Basic technical questions of UPS.
  • Q2. What is UPS, tell the block diagram.
  • Ans. 

    UPS stands for Uninterruptible Power Supply. It is an electrical device that provides emergency power to a load when the input power source fails.

    • UPS is used to protect critical equipment from power outages, voltage fluctuations, and other power-related issues.

    • It consists of three main components: a battery, an inverter, and a charger.

    • The battery stores energy and provides power to the load when the input power source ...

  • Answered by AI
  • Q3. What is the THD in UPS.
  • Ans. 

    THD stands for Total Harmonic Distortion in UPS.

    • THD is a measure of the distortion of the electrical signal in a UPS.

    • It is expressed as a percentage of the fundamental frequency.

    • Lower THD values indicate a cleaner and more stable power output.

    • THD can affect the performance and lifespan of connected equipment.

    • For example, a UPS with a THD of less than 5% is considered good.

  • Answered by AI
  • Q4. Role of Isolation Transformer in UPS.
  • Ans. 

    Isolation transformer in UPS provides electrical isolation between the input and output, protecting equipment from electrical noise and surges.

    • Isolation transformer separates the input and output circuits of the UPS.

    • It protects equipment from electrical noise and surges.

    • It also provides a safety barrier between the utility power and the equipment.

    • Isolation transformer can improve the quality of power by reducing harmon...

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Salary negotiation happened, they are very smart in salary negotiation you have to be smart also

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for Basic technical questions of UPS
You can get the required question and answers on Riello and schneider website.

Assistant Sales Manager Interview Questions asked at other Companies

Q1. How much file are done in Hdfc bank in month
View answer (12)

Jobs at Hitachi Hi-Rel Power Electronics

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Engineer Interview Questions & Answers

user image Anonymous

posted on 13 Mar 2021

I applied via Naukri.com and was interviewed in Sep 2020. There were 4 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Asked about working of Power electronics components i.e. thyristor, IGBT, Boolean logic gates. About your past experience if you having a experience in commissioning and maintenance of UPS, battery , Charg...
  • Q2. How to convert 230 V AC supply into 12 V DC supply. Decribe with proper circuit diagram.
  • Ans. 

    A step-down transformer is used to convert 230 V AC to 12 V AC, which is then rectified using a bridge rectifier and filtered using a capacitor to obtain 12 V DC.

    • Use a step-down transformer to reduce the voltage from 230 V AC to 12 V AC

    • Rectify the AC voltage using a bridge rectifier

    • Filter the rectified voltage using a capacitor

    • Use a voltage regulator to regulate the output voltage to 12 V DC

    • Use appropriate diodes and c...

  • Answered by AI
  • Q3. About all types of batteries i.e. NI-CD, VRLA, LEAD ACID, SMFB, PLANTE BATTERIES etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your technical knowledge strong and more prefferable if working in UPS field.

Engineer Interview Questions asked at other Companies

Q1. ❖ If a team member is unable to carry out his work, he is doing it repetitively, how would you handle it?, would you like to work only on lifing of components, or would you be ready to shift to other departments?
View answer (7)

I applied via Company Website and was interviewed in Jul 2019. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. PERSONAL & TECHNICAL && PREVIOUS COMPANY WORK PROFILE && CLIENT RELATED QUESTIONS
  • Q2. HARD WORK IS MOST IMPORTANT & WORK ANY COMPANY MINIMUM 3YEARS & MAXIMUM 5+ YEARS, SUCH WORK EXPERIENCE IS MORE HELP TO GET THE BEST JOB OPPORTUNITIES IN OUR LIFE & 100% WE WILL REACH OUR GOALS && BEST EXA...

Interview Preparation Tips

Interview preparation tips for other job seekers - WE MUST HAVE MORE KNOWLEDGE OF PREVIOUSE COMPANY PRODUCT DETAILS && OUR GRADUATION CORE SUBJECT KNOLEDGE && CLIEN RELATED THING OF OUR PREVIOUS COMPANY

Regional Manager Interview Questions asked at other Companies

Q1. How will you ensure market share in role of challenges you handle with Banca channel .
View answer (2)

I applied via Approached by Company and was interviewed in Apr 2018. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. DIGITAL ENGG.AND COMMUNICATION ENGG.
  • Q2. SENSSORS AND INSTRUMENTION
  • Q3. ALL BATTERY TYPE
  • Ans. 

    Different types of batteries used in various applications.

    • Alkaline batteries: commonly used in household devices like remote controls

    • Lithium-ion batteries: used in smartphones, laptops, and electric vehicles

    • Lead-acid batteries: used in cars, motorcycles, and uninterruptible power supplies

    • Nickel-metal hydride (NiMH) batteries: used in digital cameras and portable electronics

    • Zinc-carbon batteries: commonly found in flash

  • Answered by AI
  • Q4. ARDUINO

Interview Preparation Tips

General Tips: This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my Diploma in electronics engg. related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher.
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the positi
Skills: Communication, Communication
Duration: <1 week

Junior its Engineer Interview Questions asked at other Companies

Q1. What is the main role of Junior engineer in Electrical maintenance and How to provide the company facilities to the Junior engineer.
View answer (2)

I applied via Approached by Company and was interviewed in Apr 2018. There was 0 interview round.

Interview Preparation Tips

General Tips: This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my Diploma in electronics engg. related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher.
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.
Skills: Communication, Communication
Duration: <1 week

Junior its Engineer Interview Questions asked at other Companies

Q1. What is the main role of Junior engineer in Electrical maintenance and How to provide the company facilities to the Junior engineer.
View answer (2)

Hitachi Hi-Rel Power Electronics Interview FAQs

How many rounds are there in Hitachi Hi-Rel Power Electronics interview?
Hitachi Hi-Rel Power Electronics interview process usually has 2-3 rounds. The most common rounds in the Hitachi Hi-Rel Power Electronics interview process are Technical, HR and Resume Shortlist.
How to prepare for Hitachi Hi-Rel Power Electronics interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Hitachi Hi-Rel Power Electronics. The most common topics and skills that interviewers at Hitachi Hi-Rel Power Electronics expect are Power Electronics, UPS, HR, Customer Service and HRIS.
What are the top questions asked in Hitachi Hi-Rel Power Electronics interview?

Some of the top questions asked at the Hitachi Hi-Rel Power Electronics interview -

  1. How to convert 230v ac supply into 12v dc supply.describe with proper circuit d...read more
  2. How to convert 230 V AC supply into 12 V DC supply. Decribe with proper circuit...read more
  3. What is ups, tell in the block diag...read more
How long is the Hitachi Hi-Rel Power Electronics interview process?

The duration of Hitachi Hi-Rel Power Electronics interview process can vary, but typically it takes about less than 2 weeks to complete.

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Hitachi Hi-Rel Power Electronics Interview Process

based on 18 interviews

Interview experience

3.7
  
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Hitachi Hi-Rel Power Electronics Reviews and Ratings

based on 294 reviews

3.6/5

Rating in categories

3.5

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3.7

Work-life balance

3.2

Salary

3.8

Job security

3.4

Company culture

3.1

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3.4

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₹ 3.5-1.95 LPA

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