Power Quality Information
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Why Is Clean Power So
Important?
- Modern semiconductor technology is a tool
for achieving productivity and profit. The irony is as this technology
increases in sophistication, so does it's susceptibility to power
disturbances.
- It's designed to run on clean electrical
power.
- Clean power for technology is like clean
fuel for cars.
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Where Do Power
Quality Problems Start?
- Disturbances can be generated external to a
facility.
- Disturbances can be generated internal to a
facility.
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External Origins:
- Lightning
- Grid Switching
- Power Factor Correction
- Inductive Load Switching
- Utility Fault Clearing
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What must the utility
provide?
- Constant Voltage
- All the current needed (breaker limited)
- Protection for people and traditional loads
(lights and motors) through grounding procedures.
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Internal Origins:
- Internal disturbances are typically more
numerous and destructive.
- They are created by all the various
electrical loads in your facility.
- The disturbance sources are also closer to
sensitive devices which limits the damping effect of wiring.
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Generic Power
Problems:
- Blackouts
- Brownouts
- Sags
- Surges
- Impulses
- Frequency Changes
- Noise
- Harmonics
- Power Factor Problems
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Finding Solutions:
- Electrical disturbances are nothing more
than electrical power in an unusable or undesirable form.
- All electrical power, both usable and the
unusable kind, obeys certain physical laws.
- These laws were defined by physicists Ohm,
Kirchoff, and others.
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Common Sense Law
#1-You Can't Change the Laws of Physics
Solving power problems requires an
acceptance of physical laws and how they affect the behavior of power
disturbances. To solve a power problem, you must use a device that is
capable of affecting the behavior of the power disturbance in the desired
way.
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Therefore, you need to contact Power Quality Solutions...
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