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DTSTART:20231105T010000
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DTSTAMP:20231102T181205Z
UID:EC27E1AF-853B-4D5C-A7FF-1AD794B04715
DTSTART;TZID=America/Denver:20231030T150000
DTEND;TZID=America/Denver:20231030T155000
DESCRIPTION:Neutral resistance grounding has been utilized to make power sy
 stems safer for more than 70 years. There are conditions where a resistive
 ly grounded power system can become unsafe\, and those instances can be di
 scovered through continuous monitoring of the NGR resistance value and par
 asitic loss impedance. Upon measuring a hazardous condition\, the power sy
 stem can be de-energized. Continuous monitoring devices have been develope
 d and deployed but have shortcomings when measuring the value of the neutr
 al grounding resistor and non-fundamental frequency ground-fault currents.
  The authors describe a novel monitoring system to accurately measure the 
 resistance value of the neutral grounding resistor (NGR)\, the impedance o
 f parasitic losses between the neutralizing point and protective-earth\, e
 valuate non-fundamental frequency ground-fault current\, and reduce nuisan
 ce tripping. The elements of the proposed device are discussed and analyze
 d in detail. Results from testing components of the proposed method are pr
 ovided and discussed.\n\nSpeaker(s): Kris Jensen \, \n\nBldg: EEP208\, 501
  E. Saint Joseph St\, Rapid City\, South Dakota\, United States\, 57701
LOCATION:Bldg: EEP208\, 501 E. Saint Joseph St\, Rapid City\, South Dakota\
 , United States\, 57701
ORGANIZER:long.zhao@sdsmt.edu
SEQUENCE:8
SUMMARY:Neutral Resistance Grounding in Power Systems
URL;VALUE=URI:https://events.vtools.ieee.org/m/380010
X-ALT-DESC:Description: <br /><p>Neutral resistance grounding has been util
 ized to make power systems safer for more than 70 years. There are conditi
 ons where a resistively grounded power system can become unsafe\, and thos
 e instances can be discovered through continuous monitoring of the NGR res
 istance value and parasitic loss impedance. Upon measuring a hazardous con
 dition\, the power system can be de-energized. Continuous monitoring devic
 es have been developed and deployed but have shortcomings when measuring t
 he value of the neutral grounding resistor and non-fundamental frequency g
 round-fault currents. The authors describe a novel monitoring system to ac
 curately measure the resistance value of the neutral grounding resistor (N
 GR)\, the impedance of parasitic losses between the neutralizing point and
  protective-earth\, evaluate non-fundamental frequency ground-fault curren
 t\, and reduce nuisance tripping. The elements of the proposed device are 
 discussed and analyzed in detail. Results from testing components of the p
 roposed method are provided and discussed.</p>
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