Supplier 20kv NGR Distribution Transformer/Neutral Grounding Resistor For Generator In Power System
Packaging and Delivery
Supplier 20kv NGR Distribution Transformer/Neutral Grounding Resistor For Generator In Power System :
1. Mostly applied outdoor in system of 50Hz and 60Hz
2. Max Altitude is 3500m. Because of high altitude and bad thermal discharging in plateau, please indicate in order if in this situation.
3. Ambient Temp is between -20°C~+70°C and relative humidity does not excess 95%.
4. Wind pressure does not excess 700Mpa (equivalent to 34m/s)
5. Earthquake intensity is less than 8 degree.
6. Thickness of ice coverage is less than 10mm
7. Air dusty grade is not higher than IV grade
8. No corrosive or explosive gas and conductive dust around installation site.
9. As the resistor is a heat generating component, it should be installed in place with some space left around, and be away from heat source.
Notice for purchase:
1. system rated voltage
2.short-time withstand current;
3. normal resistance;
4. with current transformer or not; transformation ratio, capacity and compound deviation of the current transformer;
5. method of wiring (optional): a. wire in from the top, and out at the bottom, b. wire in and out from the bottom, c. wire in and out from the side, d. wire in from the side and out at the bottom;
6. durable time for short-time withstand current;
7. material of resistance cabinet, protection grade of (IP), color code and installation site of the resistor cabinet;
8. with earthing record and temperature and humidity control equipment or not
Baoding Mingrui Optoelectronics Technology Co.Ltd 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.
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