How well do you know
your power system?


The following questions were arrived at to
point out the kind of information that is

needed to troubleshoot, modify, expand,
maintain and efficiently manage the
average power distribution system.

A. Trouble-shooting during unexpected
system outages or equipment failures.
  • Do you have an up-to-date detailed system one-line diagram?
  • Are equipment instruction books available on-site for easy reference?
  • Are there electrical diagrams for each piece of electrical
    distribution equipment assemblies and are they accurate?
  • Has a recent short-circuit and coordination study been performed
    that will have determined the optimum settings for all protective
    devices in your system and is it readily available?
  • Is all pertinent power equipment cataloged by type and
    ratings and information categorized for easy
    reference in order to place emergency orders?
  • Do standard operating procedures exist that explain
    how the system operates and what to do in an emergency?
  • When circuit breakers trip following abnormal system
    occurrences, can you interpret what the
    protective regulating flag devices are telling you?
B. The need to modify the power system and its
equipment to achieve better reliability and performance.
  • How does your power system compare to present-day
    power system design standards and codes?
  • Are modifications such as power system monitoring
    and control packages, ground fault sensing systems,
    switchgear, automatic transfer switches, motor starting
    and protection systems needed, necessary,
    and physically and economically feasible?
  • Are all circuit breakers, transformers, motor starters,
    switches, bus and cabling systems properly
    rated for normal overload and short-circuit conditions?
  • Do you need standby power generation to increase
    your system reliability and is it economically beneficial?
C. The need to expand the system due
to increased power demands.
  • Can your power system be easily expanded
    without jeopardizing its performance and reliability?
  • Can power be redistributed to get more expansion
    out of your existing system? Are the existing power
    company power lines into your facility
    adequate for your future needs?
D. Power system and component maintenance
and testing is an established way of increasing reliability.
  • Is a system-wide maintenance management program
    in place and is it designed for maximum return for the money spent?
  • Are all annual maintenance and test reports
    tracked and cataloged to spot trends in equipment
    conditions, tolerance changes or failures?
  • Are consistent and necessary procedures
    followed during annual maintenance and testing periods?
If the answer to any of these questions is no,
Midwest Engineering Consultants feels a solution

to helping you manage one of your most important
assets is a Power System Profile.

Power systems are uniquely comprised of
many different equipment components. Equipment
is generally represented by different vendors and
different vintages. Plant personnel should understand

each component and how it fits into the entire system's
operation. The Power System Profile can help by first
collecting, then cataloging pertinent power system
design and maintenance requirements.

Contact Midwest Engineering
Consultants, Ltd. for more details on how a
Power System Profile can help increase
your system reliability and efficiency.

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