|Type||Outdoor suitable for 3.3 kv to 22 kv transformers|
Rated Current : Means Initial current that will flow through resistor when it is cold
Time Rating : It is length of time for which NGR must tolerate rated voltage.
Short Time Rating : Normally it is 10 sec. or 30 sec. or 60 sec. depending on design parameters of protection system
Rated Voltage : For neutral grounding / earthing resistor rated voltage means line- to neutral voltage i.e. System Voltage divided by root 3 i.e. 1.732
Material of Resistance Element : We offer resistor elements made from any stainless steel or FeCrAl or Cu-Ni or Ni-Cr or any other resistance material as per requirement. Normally formed stainless steel element are best and economical for NGRS
Continuous Rating : It is normally 10 % of full load current for healthy system neutral grounding resistor to be designed for continuous rating of 5 % to 10 % of full load current (if required)
Temperature Rise Allowed: Normally Temperature rise is restricted to 375 deg.c. above ambient temperature as per BS-587
Construction: NGR include resistor assembly, plus required insulators, internal connections and hardware etc
Cabling / Termination : Suitable arrangement and clearance is provided for termination of cable, flats or bus duct as per requirement with removable gland plate
We deals in Gulf Countries like Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates and Middle East Countrie.