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Advantages of high power filter modules in enclosed busway

  • Categories:Zhongrui News
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  • Time of issue:2019-05-29 17:50
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(Summary description)The enclosed busway is used as a power transmission device, and is usually connected to the transformer while being connected to the power distribution cabinet. As a common power distribution cabinet-capacitor cabinet, it is a high-power filter module that converts electrical energy into storage and is commonly used in large electrical products. It has several advantages and plays an important role in power transmission control. Its main features are:

Advantages of high power filter modules in enclosed busway

(Summary description)The enclosed busway is used as a power transmission device, and is usually connected to the transformer while being connected to the power distribution cabinet. As a common power distribution cabinet-capacitor cabinet, it is a high-power filter module that converts electrical energy into storage and is commonly used in large electrical products. It has several advantages and plays an important role in power transmission control. Its main features are:

  • Categories:Zhongrui News
  • Author:
  • Origin:
  • Time of issue:2019-05-29 17:50
  • Views:
Information
The enclosed busway is used as a power transmission device, and is usually connected to the transformer while being connected to the power distribution cabinet. As a common power distribution cabinet-capacitor cabinet, it is a high-power filter module that converts electrical energy into storage and is commonly used in large electrical products. It has several advantages and plays an important role in power transmission control. Its main features are:
 
1. Large capacity, used in some occasions where harmonic content is high and harmonics are required (the rated current capacity of the closed busway can also be made very large).
 
2, using zero trigger technology, fast. The same thyristor switches have been more common. In actual use, the problem of three-phase unsynchronization is often encountered. This is mainly caused by the inconsistency of the three-phase discharge of the capacitor, which will cause a large impact on the entire system, causing the system to trip. Therefore, the pre-charging technology can be used to keep the capacitor always at a certain voltage, and the three phases are completely synchronized when inputting; the peak intelligent identification technology is adopted, and when the capacitor voltage is higher than the power grid, the peak input can be used to achieve the synchronization effect.
 
3, the use of unique protection, such as detuned protection, overcurrent protection. For complex systems, common thyristor switches are easily broken down because, for some systems, some external conditions may be affected, and the impedance mitigation harmonic characteristics of the system may change. This change causes the filtering characteristics of each branch to change, causing transient overcurrents and burning the device. Therefore, it is necessary to have a set of protection devices. In this case, the operation is instantaneously exited and the operation is delayed, so that the entire filtering device is more reliable and safe. The enclosed busway is usually grounded with a PE row or housing to ensure safe operation of the product.
 
4. The energy saving effect is outstanding. The use of low-dropper thyristors reduces power consumption; capacitor energy recovery technology can be used to feed back unused computers to the grid to achieve energy savings.

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