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Hitachi Hi-Rel Power Electronics Interview Questions, Process, and Tips
Top Hitachi Hi-Rel Power Electronics Interview Questions and Answers
- Q1. What is UPS, tell the block diagram.asked in Assistant Sales Manager interview
- Q2. How to convert 230v ac supply into 12v dc supply.describe with proper circuit diagramasked in Customer Care Executive interview
- Q3. What is K factor used for sheet metal ?asked in Design Engineer interview
Hitachi Hi-Rel Power Electronics Interview Experiences
20 interviews found
Anonymous
(1 Question)
- Q1. Experience, salary expectations
(1 Question)
- Q1. Supply chain management
Interview Preparation Tips
Assistant Manager - SCM Interview Questions asked at other Companies
Selected
I applied via Referral and was interviewed before Feb 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Technical Product and Fundamental based interview
- Q2. On UPS and components
(1 Question)
- Q1. Salary negotiable and confirmation
Interview Preparation Tips
Engineer- Customer Support Interview Questions asked at other Companies
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
Service Engineer Interview Questions asked at other Companies
I applied via Referral and was interviewed before Oct 2021. There were 3 interview rounds.
(1 Question)
- Q1. Present Job Roles and Experience Discussion
- Ans. Details to be provided on the current organization's roles and experiences
(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.
- Q2. Deeply technical knowledge.
- Q3. Knowledge of core electronics
- Q4. Work experience on the particular product
Interview Preparation Tips
- Electronics Engineering
- Power Electronics
- Electrical Engineering
- inverter
- Battery Charger
- Battery Bank
Engineer Interview Questions asked at other Companies
Hitachi Hi-Rel Power Electronics interview questions for popular designations
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
Assistant Manager Interview Questions asked at other Companies
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.
(1 Question)
- Q1. Basic questions like current job role, salary, relocation, travelling.
(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 ...
- 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.
- 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...
(1 Question)
- Q1. Salary negotiation happened, they are very smart in salary negotiation you have to be smart also
Interview Preparation Tips
You can get the required question and answers on Riello and schneider website.
Assistant Sales Manager Interview Questions asked at other Companies
Jobs at Hitachi Hi-Rel Power Electronics
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...
- Q3. About all types of batteries i.e. NI-CD, VRLA, LEAD ACID, SMFB, PLANTE BATTERIES etc.
Interview Preparation Tips
Engineer Interview Questions asked at other Companies
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
Regional Manager Interview Questions asked at other Companies
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
- Q4. ARDUINO
Interview Preparation Tips
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
I applied via Approached by Company and was interviewed in Apr 2018. There was 0 interview round.
Interview Preparation Tips
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
Top trending discussions
Hitachi Hi-Rel Power Electronics Interview FAQs
Some of the top questions asked at the Hitachi Hi-Rel Power Electronics interview -
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 Interviews By Designations
- Hitachi Hi-Rel Power Electronics Engineer Interview Questions
- Hitachi Hi-Rel Power Electronics Junior its Engineer Interview Questions
- Hitachi Hi-Rel Power Electronics Service Engineer Interview Questions
- Hitachi Hi-Rel Power Electronics Assistant Sales Manager Interview Questions
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Interview Questions for Popular Designations
Hitachi Hi-Rel Power Electronics Interview Process
based on 18 interviews
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Hitachi Hi-Rel Power Electronics Reviews and Ratings
based on 293 reviews
Rating in categories
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Senior Engineer
116
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|  ₹0 L/yr - ₹0 L/yr |
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Engineer
111
salaries
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Assistant Manager
78
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Service Engineer
77
salaries
| ₹0 L/yr - ₹0 L/yr |
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Design Engineer
41
salaries
| ₹0 L/yr - ₹0 L/yr |
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