This document provides a summary of an internship presentation on UPS designing at Hitachi Hi-Rel Power Electronics Private Limited. It begins with background on the company, which was established in 1983 and became a subsidiary of Hitachi in 2015. It then discusses the company's main products which include UPS systems, drives, railway inverters, solar inverters, and air compressors. The presentation goes on to define UPS systems and their purpose, describe different types of UPS including online and offline systems, and provide details on some specific UPS models from Hitachi Hi-Rel such as the I4 and I6s models. Process documents for different versions of products are also listed.

1. An internship Presentation
On
UPS DESIGNING
Vishwakarma Government Engineering College,
Chandkheda-382424
Department of Electrical Engineering
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Presented By:
Manav. Hiteshbhai. Rao
Department- Electrical Engineering,
Semester- 8
Enroll no : 190170109113
Academic Year – 2023
Internal Guide
Prof. K.A. Vyas
Head of the Department
Prof S.N.PANDYA

2. About the Company
 Founded & established in 1983 as Hi-Rel Electronics Pvt. Ltd., which later on in
year 2015 had become the 100% subsidiary company of Hitachi, Japan which
is one of the Global fortune 500 companies with a new name as Hitachi Hi-Rel
Power Electronics Private Limited, which is being recognized as one of the
pioneers in power electronics domain. Hitachi Hi-Rel, today, is a leading
manufacturer of Industrial UPS, IT & Infra UPS, Medium & Low Voltage Variable
Frequency Drives, Grid Tied Solar Inverters, Air Compressors and Railway
Inverters.
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3. Products of HITACHI HI-REL
 UPS
 Drives
 Railway Inverters
 Solar Inverters
 Air Compressors
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4. What is UPS?
 Uninterruptable Power Supply is the ultimate power solution to power
problems.
 It protects the load from AC Utility Supply Interruption.
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5. 5
Application of UPS
 Absorbs relatively small surges.
 Continuous power flow.
Smooth out noisy sources.

6. Types of
UPS
Online
UPS
Offline
UPS
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7. Online UPS and Offline UPS
 An Online UPS is a type of uninterruptible power supply that utilises either a
double or delta conversion technology.
 An offline UPS directly supplies power from AC mains to the load.
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8. Different models of UPS
AC UPS:-
 I4
 I4T
 I4ET
 I4T+
 I6E
 I6S
DC UPS
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9. I4 Model
 “I” means IGBT based Inverter
 “4”means 4 No’s IGBT used in Single inverter.
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10. Configuration of I4
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11. I6s Model & Types
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12. 12
UPS Image

13. Process
 List of Document for V1-V2b
 List of Document for V3
 List of Document for V4 released
 Check list & FRS form
Operation of PLC & SCADA PRESENT BY AADITY 13

14. V1-V2B Documents
 Release work order
 V1 documents ( MCL)
 V2B documents
1. DCM
2. Top Cover
3. Index
. 4. GA
5. SLD
6. CI
7. MCL
8. Battery Sizing
9. Component Sizing Calculation
10. Datasheet
11. QAP
Operation of PLC & SCADA PRESENT BY AADITY 14

15. Thank You
Operation of PLC & SCADA PRESENT BY AADITY 15