MRD-BJ Transformer Neutral Ground Resistor
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 unit
- Supply Capability:
- 30 unit/month
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Neutral Grounding Resistor is 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).
Applicable Standards
The design of the product complies with the flowing standards:
DL/780-2001 Neutral Grounding Resistor in Power Distribution
IEC726 Dry-Type Power Transformer
DL/T620-1997 Overvoltage Protection and Insulation Co-ordination of AC Electrical Equipments
IEC60-1 Experimental Technique of High Voltage
GB1208-1997 Current Transformer
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.
DL/T593-1996 Common Specifications for Purchasing High Voltage
Switch Equipment.
GB50150-1991 Electrical Equipment’s Hand-over and Test Standard of
Electrical Device Installation Project.
Typical Technology Parameters
Product Model | System Voltage （kV） | Rated Current （A） | Current Flowing Time in short Time（S） | Rated Resistor Value Ω （±5%） | Insulation Withstanding Voltage kV | |
8/20μS Thunder Stroke | 1min Power Frequency | |||||
MRD-BJ-6/36.4 | 6.3 | 100 | 10 | 36.4 | 60 | 32 |
MRD-BJ-6/18.2 | 6.3 | 200 | 10 | 18.2 | 60 | 32 |
MRD-BJ-6/9.09 | 6.3 | 400 | 10 | 9.09 | 60 | 32 |
MRD-BJ-6/6.06 | 6.3 | 600 | 10 | 6.06 | 60 | 32 |
MRD-BJ-10/15.16 | 10.5 | 400 | 10 | 15.16 | 75 | 42 |
MRD-BJ-10/10.10 | 10.5 | 600 | 10 | 10.10 | 75 | 42 |
MRD-BJ-10/7.57 | 10.5 | 800 | 10 | 7.57 | 75 | 42 |
MRD-BJ-10/6.06 | 10.5 | 1000 | 10 | 6.06 | 75 | 42 |
MRD-BJ-35/20.20 | 35 | 1000 | 10 | 20.20 | 185 | 95 |
MRD-BJ-35/10.10 | 35 | 2000 | 10 | 10.10 | 185 | 95 |
- Q:What equipment are used in the power, can help to divide some of the details, as well as the type of equipment under the type of equipment
- Power equipment classification:1 the sequence of electric power in power system can be divided intoPower generating equipment, power generation equipment, power transmission equipment and electric equipment2 the main role of the power system can be divided intoPrimary equipment, two equipment
- Q:Ask the expert about the design of the power system diagram, 6kV side of the electrical equipment how to supply
- 6kV equipment directly in the 6kV bus out of the lead, do not consider the capacity, it does not affect the use of 380V equipment
- Q:Power equipment Market Overview
- The first quarter of 2013, China's economic growth rate has declined, but overall still maintained at a high level, especially the power equipment of power transmission equipment and electrical equipment demand remains steady growth, thereby stimulating imports of the rapid growth of the industry; at the same time, the world economy has been warmer, the international power equipment market demand a modest recovery, I pull the power equipment China's manufacturing exports continued to grow. In the import and export growth driven by two, the first quarter of China's total import and export of electric power equipment manufacturing industry rebounded significantly.
- Q:Electric power equipment includes what steam turbines are used in what areas of what companies need steam turbines
- The main power equipment including power equipment and power supply equipment two categories, power generation equipment is the main power plant boiler, steam turbine, gas turbine, turbine, generator, transformer, power supply equipment is the main transmission line, voltage transformer, contactor etc..The steam turbine is the power equipment, except for the thermal power plant and central heating power station, is also used to drive other equipment, large fan and water pump, ship steel plant, such as large enterprises, pharmaceutical chemical screw compressor etc..Steam turbine and thermal power stations are generally used as the main steam turbine companies, followed by a wide range of applications in pharmaceutical, chemical, metallurgical, petrochemical enterprises.
- Q:The difference between electric load and power supply capacity
- Power consumption / power consumption of electric equipment used for electric power load.Power supply capacity of the power supply system, generally refers to the user step-down transformer capacity, such as how many kva.
- Q:What principles should be followed in power equipment maintenance
- (2) the maintenance plan shall be arranged according to the unified arrangement of the power grid to improve the coordination and reduce the outage time of the equipment,. Improve operation reliability and equipment availability.
- Q:Withstand voltage test, power equipment insulation unqualified reasons?
- Without proper consideration of the atmospheric conditions that affect the insulation characteristics. Because of the pressure, temperature and humidity have a certain impact on the spark discharge voltage and breakdown voltage, without considering these factors may lead to equipment failure.
- Q:In the communication and power equipment in the data access to a "remote message quantity" concept, then what is called "remote information", how to define it? Thank you
- . When the circuit breaker is switched on, the position of the gate is the remote signal. Generally can be defined according to their needs!
- Q:What specific enterprises and units are used to test the power of the equipment ah
- Electric Power Bureau must be used to detect classes, each project must be checked by the Electricity Industry Bureau
- Q:The relationship between primary equipment and two equipment in power system
- The electrical equipment of electric power system is divided into the primary equipment and the two equipment, and the primary equipment (also called the main equipment) is the main body of the power system
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MRD-BJ Transformer Neutral Ground Resistor
- 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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