PQS

 

Power Quality Information

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.

 

Where Do Power Quality Problems Start?

  • Disturbances can be generated external to a facility.
  • Disturbances can be generated internal to a facility.

 

External Origins:

  • Lightning
  • Grid Switching
  • Power Factor Correction
  • Inductive Load Switching
  • Utility Fault Clearing

 

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.

 

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.

 

Generic Power Problems:

  • Blackouts
  • Brownouts
  • Sags
  • Surges
  • Impulses
  • Frequency Changes
  • Noise
  • Harmonics
  • Power Factor Problems

 

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.

 

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.

 

Therefore, you need to contact Power Quality Solutions...

 

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