??xml version="1.0" encoding="UTF-8"?><![CDATA[Ningbo NingBian Power Technology Co,Ltd.]]>http://www.720um.comRectifier transformer, NB-11http://www.720um.com/cn/Rectifier-transformer-NB-11_p13.html1463983189_Ningbian_s.jpg
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Product use:
By using DC power industry mostly rectifier equipment by AC grid throughrectifier transformer and rectifier composed by transformer rectifier power supply, as is called a rectifier transformer.
Product features:
Due to the particularity of this kind of equipment, the company designed to take full account of the difference and the common transformer, formed its own unique, sophisticated structure, can fully meet the needs of different users.Rectifier transformer is generally used as oil immersed.

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Furnace transformer, NB-10http://www.720um.com/cn/Furnace-transformer-NB-10_p12.html1463983075_Ningbian_s.jpg
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Product use:
Electric furnace in the metallurgical, chemical, machinery industry has a very wide application, process equipment is very important, and provides power for the transformer is called a furnace transformer. Because a lot of furnace type, so the electric transformer matching also each are not identical.
Product features:
The design focuses on moving thermal, stability of furnace transformer, anti overload and anti short circuit ability, can fully meet the needs of different users. According to user needs to provide a dry or oil immersed.

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Balance reactor, NB-09http://www.720um.com/cn/Balance-reactor-NB-09_p11.html1463982919_Ningbian_s.jpg
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Product use:
This series of products with balanced reactor capacitor, inductor D connected in the arm, so that the single-phase load varying load of three-phase symmetrical, balanced three-phase network. For high power single-phase power supply electrical equipment (such as induction furnace).
Product features:
In order to achieve high efficiency and high power factor, high power electrical equipment of certain industrial use (such as induction furnace), because only single work, to the unbalanced grid serious. If the inductor and capacitor proper respectively connected to other two phase, current power supply can be balanced three-phase currents. Therefore, power frequency induction furnace transformer is generally made of three-phase, three output terminal is connected to the balancer.

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35kV filter reactor, nb-08http://www.720um.com/cn/35kV-filter-reactor-nb-08_p10.html1463982778_Ningbian_s.jpg
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Product use:
This series of products are mainly used in the AC line with various harmonic source, is used to filter out by a static converter, transformer, motor, rotary motor, gear transmission equipment, electric arc furnace, welding equipment caused by harmonic current, the supply current is near sinusoidal. Filter reactor and a filter capacitor in series, forming a resonant filter, a frequency is very low impedance, absorb the frequency harmonic current most, so as to reduce the current distortion system.
Product features:
This series of products are hollow type, small size, light weight, and capacitors placed together in the switch cabinet, low running noise;
This product adopts sets (original and stacking) structure, the inductance value of ± 5% continuously adjustable, so that match the filter capacitor is more perfect, filter
Better effect.
Different voltage grade of the products, the structure is not the same;
The computer aided design and optimization of the product, layer by layer calculation of temperature rise of the coil, the coil temperature rise of each part is uniform, the longer product life.

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Adjustable reactor, NB-07http://www.720um.com/cn/Adjustable-reactor-NB-07_p9.html1463982536_Ningbian_s.jpg
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Product use:
The products are mainly used in research of high voltage switch testing station, the secondary impact on the transformer high-voltage electrical appliances, as breaking capacity test, adjust the test current use.
Product features:
The products are used in three-phase system. Each phase of 1 units, by a multi tap reactance coil and control the switch, off the knife switch, is used to adjust the reactance value, to adjust the test current use.

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Dry hollow, NB-06http://www.720um.com/cn/Dry-hollow-NB-06_p8.html1463981813_Ningbian_s.jpg
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Product use:
Current limiting reactor is generally hollow type, arranged in terminal or bus line or bus, when short circuit fault occurs, the current limiting reactors can short-circuit current limitation in other electrical equipment, thermal stability or circuit breaker is the ability to allow the limit, and the bus voltage is not too low.
Product features:
The basic structure of the enterprise production limiting reactor is a plurality of wires in parallel structure (this is this company patent technology, patent number: ZL 2230233.6) compared with the traditional structure, this structure has the advantage of current could have done more, good insulation, high mechanical strength. The computer aided design and optimization of the product, layer by layer calculation of temperature rise of the coil, the coil temperature rise of each part is uniform, the longer product life; the structure of the product the overvoltage withstanding capacity is increasing, and the special production process, the reactor has the structure compact solid.

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Series reactor, nb-05http://www.720um.com/cn/Series-reactor-nb-05_p7.html1463981674_Ningbian_s.jpg
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Product use:
The products are mainly used in no power capacitor compensation device of transmission line, improve power factor, reduce line losses, improve power quality and power network. Products can be divided into the core type and hollow type, the user can be selected according to specific needs.
Product features:
The product technology is mature, reasonable structure, stable quality, performance and foreign products close to, but the price advantage of the products; the use of new technologies, new materials, new technology, with the domestic similar products than there are advantages of small volume, light weight, safe and reliable, maintenance free, energy saving, low noise, environmental protection, and is directly arranged on the switch cabinet. Heat insulation class is B-H.

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Oil immersed reactor, NB-04http://www.720um.com/cn/-NB-04_p6.html1463555662_Ningbian_s.jpg
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Product use:
Application of a wide range of oil immersed transformers. Particularly suitable for power system environment,industrial and mining enterprises and the voltage ofload fluctuation in high. General outdoor type
Product features:
Characteristics of oil immersed transformer products: 1, high overload capacity.2, high reliability, long life. 3, the economy is good (relative to the dry transformer).

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Dry type transformer, NB-03http://www.720um.com/cn/Dry-type-transformer-NB-03_p5.html1463555446_Ningbian_s.jpg
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Product use:
This series of products to the transmission and distribution in the load center is especially suitable for high-rise building, airport, station, wharf, industrial and mining enterprises and tunnel, especially for the composition of complete substation.
Product features:
The transformer has a difficult to burn, dust, moisture resistant function, the product is safe and reliable to use, energy saving, free repair etc..

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Starting reactor, nb-02http://www.720um.com/cn/Starting-reactor-nb-02_p4.html1463555214_Ningbian_s.jpg
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Product use:
This series of products are mainly used in AC motor step-down start. Starting with the motor in series, in order to reduce the starting current of the motor and the impact on the power grid, starting from the grid automatically afterresection. This series of products can be divided into thehollow type and core type.
Product features:
This series of products are safe and reliable, maintenance free, energy saving, environmental protection etc.. Due to the unique patented technology products, the biggest advantage compared with traditional structure is current to be bigger, the insulation is better, higher mechanical strength, but also uses the special production process, thereactor structure more solid and tight.
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Starting autotransformer, NB-01http://www.720um.com/cn/Starting-autotransformerNB-01_p1.html1461739954_Ningbian_s.jpg
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Product use:
The series of products designed for large high voltage motor step-down air compressor, oxygen compressor, nitrogen compressors and other large air separation equipment in the starting, and can also be used in other similar to the large, medium voltage motor step-down start.
Product features:
This series of products with independent research and development of the starting system simulation software, starting autotransformer calculation software to accurately calculate the parameters of the autotransformer starting, high pressure large motor starting impact on power control in the standard range of products; a file classification, ensure the smooth starting complex conditions of high pressure large motor; product structure. Increase the energy absorbing device, in order to ease the starting instant impact on the destruction of products. The product has the advantages of safe and reliable, maintenance free, environmental protection, and can be used for fire safety requirements of the higher places.

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