Maintenance of Uninterruptible Power Supply (UPS) Systems

Course Code: EM35

►Course Objective


  • Define the roles of the roles of an uninterruptible power supply with regards to the types of loads it should protect
  • Understand the different types and construction of batteries installed in an uninterruptible power supply
  • To appreciate the merits of the fully automated battery monitoring system
  • Identify the components in the uninterruptible power supply
  • Understand the functionalities and operations of each component of the uninterruptible power supply
  • Competence to perform maintenance by switching on to the bypass mode
  • Be able to interpret the alarms and execute troubleshooting techniques
  • To identify the particular type of uninterruptible power supply unit installed at your premises 


►Target Audience


  • Electrical engineers
  • Maintenance technicians
  • Management professionals
  • Project engineers 


►Course Outline


Fundamentals of Uninterruptible Power Supply


  • Uninterruptible power system concepts and resilient systems
  • Single input and double input uninterruptible power systems
  • Merits of installing an uninterruptible power system
  • Power quality issues and outages
  • Simple uninterruptible power system designs
  • Uninterruptible power supply system verses standby diesel generators

Types and Construction of Batteries and Battery Chargers


  • Different types of battery technologies and characteristics
  • Construction and characteristics of lead acid batteries
  • Construction and characteristics of nickel cadmium batteries
  • Care of batteries
  • Battery monitoring systems
  • Types, construction and characteristics of battery chargers

Characteristics and Functionalities of Various Uninterruptible Supply Systems


  • The online and offline uninterruptible power systems
  • Uninterruptible power supply components and functionalities of filters
  • Double conversion uninterruptible power systems
  • Transformer base and transformer-less uninterruptible power systems
  • Uninterruptible power systems operation modes
  • Parallel systems and redundancy

Construction and Operation of the Diesel Rotary Uninterruptible Power System


  • Concept of the diesel rotary uninterruptible power system or DRUPS
  • Construction pf DRUPS
  • Operation of DRUPS
  • Types and characteristics of DRUPS
  • Merits of DRUPS
  • Challenges facing DRUPS

Installation, Applications, Protection and Maintenance of Uninterruptible Power Systems


  • Safety and care of uninterruptible power systems
  • Importance of battery and uninterruptible power systems maintenance
  • Uninterruptible power system protection
  • Troubleshooting uninterruptible power systems
  • Condition monitoring of uninterruptible power systems
  • Case studies, selection and design
  • Q&A and wrap up session

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Date & Location

Date : 17 February 2019

Duration : 5 days

Place : Tokyo

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Date : 18 August 2019

Duration : 5 days

Place : Kuala Lumpur

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