MRD-BJ/FD Neutral Grounding Resistor(NGR)
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 30 unit/month
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FUNCTION | 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 | There are six parameters needed to specify the neutral grounding resistor. 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. |
RANGE | • 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 |
TESTING AND QUALITY | All Mingrui Neutral Grounding Resistors are designed, rated, manufactured and tested in strict compliance 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 |
CONSTRUCTION | 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 FEATURES | • Forged eyebolts in all four corners for easy hoisting. • Corrosion resistant nameplate provides complete ratings and manufacturers information. •Heavy gauged enclosure polyester powder coated finish provides maximum protection. |
ENCLOSURE OPTIONS | •Stainless steel, cold rolled plate construction. Custom paint finish is available. |
OPTIONS | • Current or potential transformers mounted and prewired at our facility |
- Q:How to handle the qualification test, what kind of power equipment
- Acceptance; staff review the material you submitted to meet the requirements, may be 10 working days.(three) after acceptance, on-site verification. Staff to review your outfit team.
- Q:I would like to set up a power engineering Co., Ltd., do not need to know what the scope of business
- Domestic thermal power, hydroelectric power generation, power transmission and power supply, energy saving, environmental protection, industrial and civil buildings, intelligent buildings and municipal engineering contracting, including consulting, design, research and development, supervision, project planning, equipment, construction, installation and technical services etc.
- Q:What is the LCP cabinet of electric power equipment
- Local control cabinetLocal control cabinet installed in the work site, which is likely to have PLC, the scope of the control cabinet than PLC wide
- Q:Power equipment Market Overview
- The first quarter of 2013, China's economy once again showed signs of slowing down, iron and steel, nonferrous metals and other raw material prices low volatility, electric power equipment manufacturing production costs at a relatively low level; at the same time by the industry overcapacity, fierce competition in the product market, a common means of low bid for corporate competition. Affected by the above two factors, the 1 quarter of China's power equipment manufacturing industry most price decline, in the electric power equipment Chinese Machinery Industry Federation statistics, 22 small manufacturing industries, there is decline in price index rose only 16 sub sectors, 6 sub industry price index.
- Q:The difference between electric load and power supply capacity
- There is a correlation coefficient between them, the power supply capacity = power load * demand coefficient.
- Q:Definition of power equipment defects
- Personal opinion: defects and hidden dangers have certain differences, can not be equated with the...
- Q:We are a manufacturer of intelligent switching equipment manufacturers to bid in the power grid to say what is the first access to what the Department
- Hello: * power equipment network license, refers to the equipment after a rigorous examination of the administrative departments of electric power, can be put into the power grid stability [], [], no adverse effects on the power grid [] reliable products. From the technical point of view, the detection of more projects, more stringent requirements, you can apply to the local power management department, the network testing, examination and approval procedures, qualified to participate in bidding operations.
- Q:I do sales of electrical equipment, how to deal with the power supply bureau?
- I am in charge of power management and power management. To provide you with the following suggestions: both the high voltage power equipment (such as transformer, voltage or current transformers, towers, porcelain crossarm, netsuke etc.)
- Q:All I know is a generator, a transformer. I also want to fully understand the power system related to the equipment, from power generation to end users (enterprises, factories, they will design the equipment, production equipment is not to say, but they will be transferred to the electricity, in use is the processing equipment, such as transformer, I only know this involved) equipment, detailed list, thank you ah
- Primary equipment is:The power plant and substation, generator transformer (step-up / step-down transformer), busbar, circuit breaker, isolating switch, current transformer, voltage transformer, insulator, reactor, lightning protection equipment (arrester, lightning), grounding device, electric energy metering.Business side: step-down transformer, circuit breaker, isolating switch, current transformer, voltage transformer, insulator, lightning protection and grounding device, the internal power supply generator, reactive power compensation cabinet, electric energy metering,
- Q:The production and transportation process of electric power
- The transmission voltage is the main symbol of the development level of transmission technology. By 1990s, the world's commonly used transmission voltage of 220 thousand volts and above high voltage transmission of 330 to 765 thousand volts EHV transmission, more than 1 million volts and UHV transmission. In power system, the power plant will naturally change the primary energy into electricity, and send electricity to power users far away, in order to reduce the power loss of transmission line and line impedance, voltage should be increased; in order to meet the needs of power users safe, and will reduce the voltage, and assigned to each user, this we need to raise and lower the voltage, and can change the distribution of electric power. So the substation and distribution of electric power electrical device through its transform voltage, electric power system, it is a link between power plant and power users, and through each substation voltage level of the grid connected substation function is to transform voltage, transmission and distribution of power. Substation is composed of power transformer, power distribution equipment, two system and necessary auxiliary equipment.
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MRD-BJ/FD Neutral Grounding Resistor(NGR)
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 30 unit/month
OKorder Service Pledge
OKorder Financial Service
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