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Gap merging device

A bus voltage and port technology, applied in the direction of emergency protection circuit devices, electrical components, etc., can solve the problems of the bus protection unit losing the bus voltage, etc., and achieve the effects of long service life, good safety and high reliability

Inactive Publication Date: 2017-09-19
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the bus voltage merging unit of the bay merging device fails, it may cause the single-configured bus protection unit to lose the bus voltage, so that the bus protection unit exits the main protections such as zero-sequence direction protection and distance protection, and only PT disconnection is retained. Overcurrent protection and non-directional zero-sequence overcurrent protection have brought great challenges to the safe operation of the power grid

Method used

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  • Gap merging device
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Effect test

Embodiment 1

[0017] Embodiment 1, compartment merge device, see figure 1 As shown, it includes bus one 1, bus two 2, bus voltage merging unit 1 3, bus voltage merging unit 2 4, interval merging unit 5, bus protection unit 6 and line protection measurement and control unit 7; The bus connection ports are respectively connected to bus 1 and bus 2, and the two bus connection ports of bus voltage merging unit 2 are also connected to bus 1 and bus 2 respectively; port 1 of the interval merging unit is connected to bus voltage merging unit 1 , the port 2 of the interval merging unit is connected to the bus voltage merging unit 2, the No. 1 node 8 is arranged on the connection between the port 1 of the compartment merging unit and the bus voltage merging unit 1, and the bus protection unit is connected to the No. 1 node, The line protection measurement and control unit is connected with the interval merging unit.

[0018] In this scheme, the data of bus voltage merging unit 1 and bus voltage mer...

Embodiment 2

[0020] Example 2, see figure 2 As shown, the difference between embodiment 2 and embodiment 1 is that

[0021] The interval merging device also includes a controller 9 , a wireless module 12 , an address encoder 13 , a GPS module 14 , a timer 15 and a temperature sensor 16 . A controllable switch 10 is connected in series on the connection between the No. 1 node and the bus voltage merging unit 1, and a controllable switch is connected in series on the connection between the port 2 of the bay merging unit and the bus voltage merging unit 2 Two 11. The line protection measurement and control unit, the control terminal of the first controllable switch and the control terminal of the second controllable switch, a timer, a temperature sensor, a wireless module, an address encoder and a GPS module are respectively connected with the controller.

[0022] The first controllable switch and the second controllable switch can make the first bus voltage combining unit and the second b...

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PUM

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Abstract

The invention discloses a compartment combination device, which belongs to the technical field of input electric compartment combination. The device has the function of automatically selecting the input voltage, and the line protection unit is not easy to lose the bus voltage. The bay merging device includes bus 1, bus 2, bus voltage merging unit 1, bus voltage merging unit 2, bay merging unit, bus protection unit and line protection measurement and control unit; the two bus connection ports of bus voltage merging unit 1 are respectively connected to On bus one and bus two, the two bus connection ports of bus voltage combining unit two are also connected to bus one and bus two respectively; port one of interval combining unit is connected to bus voltage combining unit one, and the port of interval combining unit The second is connected to the bus voltage combining unit 2, and the No. 1 node is set on the connection between the port 1 of the compartment combining unit and the bus voltage combining unit 1. The bus protection unit is connected to the No. 1 node, and the line protection measurement and control unit is combined with the compartment unit connection.

Description

technical field [0001] The invention relates to the technical field of combining input electric spaces, in particular to a space combining device. Background technique [0002] The busbar voltage merging units of the current bay merging devices are all configured in a single set. When the bus voltage merging unit of the bay merging device fails, it may cause the single-configured bus protection unit to lose the bus voltage, so that the bus protection unit exits the main protections such as zero-sequence direction protection and distance protection, and only PT disconnection is retained. Overcurrent protection and non-directional zero-sequence overcurrent protection have brought great challenges to the safe operation of the power grid. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned deficiencies existing in the existing compartment combining device, and to provide a compartment combining device with the function of au...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/22
CPCH02H7/22
Inventor 杜浩良潘巍巍郑燃黄健赵冠军吴彩玲王淞张一航
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO