Introduction:

• A sudden loss of power will disrupt most business operations and could lead to a company being unable to trade, Where a company regards electrical power as critical then there will be a need for a continuous or back up power system. The installation of a UPS will provide the necessary continuity. There are however problems with these installations when there is a need for maintenance especially the use of by-pass. Power Quality compatibility problems may cause failure, which was the reason for the original UPS installation.

Course Objectives:

• The course is intended to develop knowledge of the need for a UPS, types available, UPS components, batteries, generators and maintenance

Course Outlines:

• Day 1. Introduction to the Resilient System
• A sudden loss of power causes disruption to any business where there is no stand-by or safety service, the course introduces the term resilience.
• Introduction
• Regulations
• Critical loads
• Purpose of an Installation
• Compatibility
• Protection and Devices
• UPS or Generator
• Maintenance
• Day 2. What is a UPS?
• After identifying an item of load is critical then there is a need to protect or back-up the supply, a UPS is a solution.
• UPS Rating
• Parallel systems
• What is available
• Maintenance by-pass
• Off Line systems
• Redundancy
• On Line systems
• Interactive systems
• Day 3. UPS Components
• How does it work? A question often asked and in this module the method of operation is examined.
• Transformer methods
• Harmonics
• Invertors
• Twelve pulse rectifier
• Phase control
• Power factor
• Six pulse rectifier
• Static switch
• Day 4. Batteries
• Batteries are essential as an alternative store of energy providing the reserve power needed by the UPS after a mains failure. They are also dangerous especially during installation and maintenance.
• What is a battery?
• Storage and Care
• VLRA
• Choosing a battery size
• Size and location
• Charging
• Configuration
• Battery safety
• Day 5. Generators and Site Planning
• If a power failure exceeds the reserve battery capacity the system will fail but using a generator will ensure continuous power. Planning the site and considering the load will ensure a successful installation and careful maintenance planning will ensure reliability.
• Do I need a Generator?
• Environmental Constraints
• Mains failure
• Monitoring power
• UPS Compatibility
• Installing the UPS
• Generator size considerations
• Maintaining the UPS

Who Can Benefit?

• This course is directed at electrical technicians, maintenance managers and electrical engineers who would like to expand their knowledge of UPS systems.

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