Baoding MingRui Optoelectronics Technology Co., Ltd
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MRD-BJ Neutral Grounding Resistor

— Grounding Resistors, Ground Resistor For Transformer
Product Category: Power Distribution Equipments
Sales Method: Manufacture, OEM/ODM
Payment Term: T/T, L/C, M/T, Western Union
Min. Order Unit Price
1 Set USD 10000 / Set
Contact Info

Mrs.Anastasia Shi

Address: China (mainland) Hebei Baoding,No.118 West Fuxing Road

Product Detail

Product Attribute:

  • China (mainland) More >
  • MRD-BJ
  • MINGRUI
  • 07/18/2014
  • 07/18/2014

Additional Info.:

  • Tianjin or customized
  • wooden case

Product Content Description:

Brief Introduction to product
With neutral grounding resistance is installed, when nonmetal grounding, the current flowing through grounding point and neutral would be much less than that when metal grounding. Meanwhile sound phase voltage rise is lowered a lot and zero-sequence voltage is half of that when single-phase metal grounding. Therefore, adopting neutral grounding via resistance could decrease transient overvoltage when single-phase grounding, and eliminate arc flash hazards like transient overvoltage and some resonant overvoltage, and moreover it could adopt simple relays to quickly locate the fault line and clear it up.
Mingrui has outstanding technical researching team and superior equipments, specially concentrate on research & development, production, sales and service of neutral grounding series products of power distribution system. The transformer neutral grounding resistance we developed and produced is applicable to 6~35KV power distribution grid of cable lines in cities, large industrial enterprises, factories, airports, seaports, subway and etc. as well as 0.66KV system in mine digging and 0.4kv/6kv/10kv system in power plants.
Applicable Standards
The design of the product complys with the following standards:
IEC726 Dry-Type Power Transformer
IEC60-1 Experimental Technique of High Voltage
IEC60529: 2001 Enclosure Protection Degree (IP code)
IEEE32-1972 Technique Terms and Experiment of Neutral Grounding Device
IEC60081 Insulation Co-ordination of Transmission and Distribution Device of High Voltage
Quantity Per Month: 50SETS/YEAR

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