Baoding Mingrui Optoelectronics Technology Co.Ltd
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Company
Baoding Mingrui Optoelectronics Technology Co.Ltd
No 118 Fuxing Road
Baoding, HB
China
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0.66kv Neutral Grounding Resistors Factory

0.66kv Neutral Grounding Resistors Factory
Price:
USD 14000.00 - 32000.00
Brand:
MINGRUI
Model:
MRD-NGR-FD
Origin City:
baoding
Origin Country:
China
Port:
Tianjin
Delivery Lead Time:
25-30 days
Packaging:
wooden case
Payment Terms:
  • Credit Card
  • T/T
Minimum Order:
1 Set(s)
Supply Availability:
30 Set(s) per Month

Product Description

0.66kv Neutral Grounding Resistors Factory :







Baoding Mingrui Optoelectronics Technology Co., Ltd. is located in the High and New Technology Industrial Zone with more than 7 years of experience in electrical field. Our company has two business entities (Light Energy Company and Electric Power Company). Light Energy Company is specially engaged in the study of solar power generation and LED lighting. Electric Power Company is a high and new technology enterprise that is engaged in the research, production, sale and service of power system automation equipment.







NGR Introduce





Neutral Grounding Resistors are used to protect power transformers, power generators and other associated equipment in your power systems against 50/60 Hz faults (short circuit) and transient phenomena (lightning).



SPECIFICATIONS (Order Note)





There are six parameters needed to specify the neutral grounding resistor.

1. Rated voltage line to neutral or system voltage.



2. Rated fault current.



3. Rated “duration time” of the line to neutral voltage not exceeding the allowable temperature rise.



4. Rated Resistance.



5. Application environment, indoor or outdoor.



6. Enclosure material, ss plate or normal cold rolled sheet.



Rang Parameters





• Rated current: from 1 amp to 2000 A



• Rated voltage: from 0.4 to 35kV



• Rated Resistance: from 1 ohm to 2000 ohm



• Rated time: 1 sec to continuous time rating



Technology Quality





with IEEE-32. Routine tests performed on each Neutral Grounding Resistor are measurement of resistance, high voltage power frequency, insulation measurement, aspect verification, dimensional control. Mingrui’s internal quality system has been developed and certified under ISO 9001 quality system



Standard

Standard unit includes the stainless steel resistor assembly plus all the required insulators, internal connections and hardware installed in a standard safety enclosure. Neutral Grounding Resistor units are completely assembled, prewired, and tested at our facility. For shipping all units are crated for added protection and ease of handling.



Enclosure Options





•Stainless steel, cold rolled plate construction. Custom paint finish is available.

• Top or side mounted entrance bushing(s).

• Screened covers for indoor applications.

• Support stands for elevating the enclosure above ground.



OPTIONS





Current or potential transformers mounted and prewired at our facility



ON or OFF Load disconnecting switches
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