Intelligent medium voltage switch cabinet

A switchgear, intelligent control module technology, applied in the direction of pull-out switchgear, switchgear, electrical components, etc., can solve the problems of mechanical transmission mechanism instability, economic loss, explosion, fire and personal safety, etc., to achieve perfect online status Monitor and improve the effect of intelligence and reliability

Active Publication Date: 2013-08-21
NINGBO ELECTRIC POWER BUREA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional medium-voltage switchgear adopts a closed metal cabinet, so it is impossible to know the operating status of the switchgear in the cabinet in time
After the switchgear breaks down and then repair and replace it, the maintenance personnel cannot quickly and accurately detect the fault condition and the fault location in the switch cabinet, and the occurrence of this fault is sudden, without any early warning, and it is possibl

Method used

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Embodiment Construction

[0031] The following descriptions are only preferred embodiments of the present invention, and therefore do not limit the protection scope of the present invention. Such as Figure 1 to Figure 6 As shown, an intelligent medium-voltage switchgear includes a closed metal cabinet body 10, and a handcart room 11, a busbar room 12, a cable room 13 and an instrument room 14 are isolated in the cabinet body 10, and the handcart room 11 is provided with There is an intelligent circuit breaker 20; the intelligent circuit breaker 20 includes a control box 21, a three-phase moving contact 22 and an electric chassis vehicle 23, the control box 21 is fixed on the electric chassis vehicle 23, and the three-phase moving contact 22 is set At the rear of the control box 21; the busbar chamber 12 is provided with a three-phase static contact 18 closely matched with the three-phase moving contact 22, and the three-phase static contact 18 is provided with a contact temperature online monitoring d...

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Abstract

The invention relates to the technical field of electrical power system equipment, in particular to an intelligent medium voltage switch cabinet. The intelligent medium voltage switch cabinet comprises a closed metal cabinet body. A handcart chamber, a bus chamber, a cable chamber and a meter chamber are arranged in the cabinet body in a separated mode. An intelligent disconnector is arranged in the handcart chamber. The intelligent disconnector comprises a control box, a three-phase moving contact and an electric chassis truck. A mechanical property on-line monitoring device, a disconnector control loop parameter measurement device and an intelligent control module are arranged in the control box. A communication interface connected with the intelligent control module is arranged on the upper portion of the control box. An intelligent module data acquisition device connected with the communication interface is arranged in the meter chamber. The intelligent medium voltage switch cabinet has the functions of intelligent monitoring, intelligent diagnosis and intelligent control, and is compact in structure, good in mechanical performance and electrical performance, and safe and reliable in operation.

Description

technical field [0001] The invention relates to the technical field of power system equipment, in particular to an intelligent medium-voltage switchgear. Background technique [0002] The stable operation of the power system not only affects the sustainable development of the national economy, but also is closely related to the daily life of the people. With the development of science and technology, the production of various industries and the life of residents put forward higher and higher requirements for the quality and management of power supply. The State Grid Corporation also proposed the concept of smart grid. As the basic unit of the power grid, 10KV medium voltage switchgear must change the traditional design and control mode in order to conform to the trend of social development and lay the foundation for the realization of smart grid. [0003] The traditional medium-voltage switchgear uses a closed metal cabinet, so it is impossible to know the operating status ...

Claims

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Application Information

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IPC IPC(8): H02B11/167H02J13/00
Inventor 严浩军林钧刘成学陈剑敏王磊刘冬初吴珊应芳义管金胜娄一艇
Owner NINGBO ELECTRIC POWER BUREA
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