Frequently Asked Questions

 

Have someone contact me to discuss advantages of High Resistance Grounding.

Poor power factor effect on biling can vary widely from no economic impact to a very sizeable impact depending on your particular rate tariff.  Large commercial or industrial facilities (over 1,000kVA demand) are often subject to power factor penalties.  Consult your utility representative for tariff information.

 

Have someone contact me to help me determine if I can benefit from Power Factor Correction.

A good protection strategy accounts for all the various threats from power issues.  It will start with good grounding and installation practices and extend to TVSS, UPS/power conditioning, three phase equipment protection, harmonic filtering, EMI/RFI, and VFD (variable frequency drive) issues.

 

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TVSS stands for Transient Voltage Surge Suppression.  TVSS devices protect equipment from short duration, high voltage events.  The most common are associated with nearby lightning strikes or switching of large loads.  TVSS units work by clamping voltages to a safe level before equipment is effected or destroyed.  TVSS equipment does not protect against sustained overvoltages, undervoltages, or power interruptions.

 

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Have someone contact me to help protect my equipment or facility.

Power factor correction is the ratio of work producing power (kw) to total power (kva).  Total power includes reactive power that is needed for magnetizing currents in inductive loads (i.e. motors).  Power factor is one measure of energy use efficiency.

 

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