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Chuangyin Technology | integrated node quick connector provides system connection scheme for distribution network bypass uninterrupted operation technology
DATE : 2022-06-20 READ : 720


With the continuous improvement of the quality of people's material and cultural life, safe and reliable power supply is the focus of the community. It has become an important subject in the field of power transmission and distribution to rapidly promote the upgrading process of uninterrupted operation technologies and measures.

Uninterruptible operation of distribution network is an important measure for international advanced power grid enterprises to improve power supply reliability, aiming to achieve uninterruptible power supply or shorten the time or scope of power supply, and improve equipment integrity, power supply reliability and user satisfaction. Bypass operation can achieve this goal more effectively and truly realize uninterrupted power supply to customers. It is an effective means of uninterrupted maintenance of distribution network.

The bypass cable uninterruptible operation technology was initially used to quickly build a temporary bypass power supply cable line on site through a flexible high-voltage power cable, a quick connection cable connector and a bypass switch, bridging the fault or overhead line sections to be repaired. Then, the bypass switch is used to lead the power supply to the temporary bypass power supply cable line to maintain uninterrupted power supply to users. Then disconnect the power supply of the faulted overhead line section and enter the power-off state for maintenance. With the localization of bypass cable power-off operation tools and instruments and the increase of familiarity with the technology, the bypass cable power-off operation technology has become a comprehensive emergency repair technology for distribution network integrating the operation of high-voltage electrical units, transformer units, low-voltage electrical units, generators and bypass cables.



As a provider of supporting component connection scheme for cable accessory system connection, Chuangyin technology plays a key role in reliable connection and stable transition in the crisscross distribution network. The bypass operation methods combined with the company's bypass operation include: overhead line to overhead line, overhead line to ring main cabinet, ring main cabinet to ring main cabinet, 10kV line to 0.4kV line through mobile box transformer car, etc. The bypass operation system includes: flexible bypass cable, remote control bypass switch, plug-in quick through intermediate connector or plug-in quick T-shaped intermediate connector, etc.


Bypass operation system diagram:


PT cabinet integrated node quick connector (emergency generator vehicle integrated node switch) is a new product of power connector applied in response to the standardized power connection requirements of state grid ring main cabinet. The integrated contact connector is used for air cabinet, ring main cabinet and bypass switch to guide the current carrying conductor to pass through the box shell with different potential. It is used as the support of conductive part to insulate the box shell and has the function of rapid access. Meet the requirements of state grid ring main cabinet (box).



In accordance with the latest requirements on integrated contact connectors in the State Grid on printing and distributing the standardization customization scheme for 12kV ring main unit (box) (2019 Edition), our company has independently developed cys-jdkg series products, including not only 200A, 250A and 400A power receiving products, but also 250A power connection devices, with reference to the international and State Grid Company standards, forming the State Grid standardized Pt cabinet integrated node quick connector system solution, Realize full coverage of products for uninterrupted operation.


Product series diagram:

Bushing insulating cap, node switch socket 200a250a400a special 200A

250A integrated node connector

Casing and mounting pressure plate


The insulating material of this product has good mechanical and electrical properties. It is safer and more reliable to use, and the installation conditions are not affected by the harsh environment. Anti-condensation, anti-pollution and maintenance free. The size of the product structure is small, which fully meets the requirements of installation space.



Product structure diagram :



Product application diagram:





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