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VR101S
Users Manual
46
Developing a Location Plan
Depending on the size of the organization, number of
departments, and importance of certain locations, note
the priority locations. The location plan may change
throughout the power quality study as clues may direct
you to a possible problem location.
Developing a Tolerance Plan
Thresholds should reflect the equipment being used.
Even a heavy piece of machinery such as a CNC
machine may be considered sensitive since it has
electronic circuits.
The default settings function in EventView software is
adequate for most sensitive loads. Some equipment
may require tighter tolerances. If so, use the tolerances
provided by the manufacturer of the equipment.
Developing the Study Duration Strategy
In order to determine how long to monitor the site,
determine the organization’s workload cycle. A workload
cycle is the duration of production, whether it is a
product or service. A site should be monitored over the
entire workload cycle.
Another consideration is the workload cycle vs. the time
of day, month or season. At 10:00 AM the organization
may be using all of its equipment at once. Air
conditioners tend to operate more often in the summer
months and space heaters tend to operate in the winter
months. This, in conjunction with your organization’s
workload cycle, can cause equipment conflicts
throughout the year. To determine a workload cycle,
answer the questions that are appropriate for your
study.
Manufacturing How long does it take to produce a run
of your product?
Services How often do you provide your service (daily,
seasonally)?
Administration How does your staffing or workload
vary (monthly, seasonally)?
Finalizing the Power Quality Monitoring Plan
The key to finalizing the power quality monitoring plan is
to publish and assign responsibility for it. The power