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Uninterruptible Power Supplies - Advantages and
Disadvantages of Various Configurations
Steven Schroth, P.E.
Overview
Various factors should be considered when
making a decision as to whether or not a UPS system must be installed. The
types of electrical loads must be considered, as well as the appropriate amount
of back-up time that is required for a safe and effective operational shutdown.
This course will examine the types of loads
that should be placed on a UPS systems, as well as the types of UPS systems that
are commercially available. The pros and cons of each type of UPS system
will be discussed. Finally, we will cover the main types of batteries used
with UPS systems. Battery life, hydrogen off-gassing, suitable operating
environment and cost are all considerations when selecting batteries for back-up
power.
The
student must take a multiple-choice quiz consisting of ten (10) questions at the end of
this course to obtain PDH credits.
Specific Knowledge or Skill Attained
This course teaches the following specific knowledge and
skills:
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Why install a UPS?
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Types of loads that
require a UPS
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How system
reliability is defined
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The types of UPS
systems that are commercially available and their relative merits
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Considerations when
specifying a UPS system
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Types of batteries
used with UPS systems and their pros and cons
Course
Click on the following PDF attachment and review the document
prior to taking
a quiz for credit.
Uninterruptible Power Supplies (50 KB)
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credit. Click on the link below.
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