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Primary and secondary fusion outdoor SF6 circuit breaker

A circuit breaker and circuit breaker switch technology, which is applied in the direction of high-voltage air circuit breakers, circuits, electrical components, etc., can solve the problems of lack of remote intelligent control, fault expansion, and complicated lines, and achieve remote signal jitter, independent functional modules, The effect of flexible equipment interchange

Pending Publication Date: 2019-01-01
陕西高开电气科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are various problems in the existing distribution network system, such as complex lines, many faults, frequent tripping of circuit breakers, etc.
In particular, the outdoor SF6 circuit breaker requires on-site manual operation of the on-off circuit breaker, which lacks remote intelligent control, and once a fault occurs in the line, it is difficult to find it, and it cannot be automatically detected and processed, which delays the handling of the accident and causes further expansion of the fault.

Method used

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  • Primary and secondary fusion outdoor SF6 circuit breaker
  • Primary and secondary fusion outdoor SF6 circuit breaker
  • Primary and secondary fusion outdoor SF6 circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] see Figure 1~4 , in an embodiment of the present invention, a primary and secondary fusion outdoor SF6 circuit breaker, including a circuit breaker switch 1, a zero-sequence voltage transformer 2, a phase current transformer 3, a zero-sequence current transformer 4, an incoming bushing 6, Outlet bushing 7, air box housing 9, mechanism box 10 and voltage transformer 17,

[0025] A circuit breaker switch 1 is installed in the air box housing 9, and the moving end and the static end of the circuit breaker switch 1 are electrically connected to the incoming line casing 6 and the outgoing line casing 7 respectively, and the incoming line casing 6 and the outgoing line casing 7 are electrically connected to each other. They are respectively installed on both sides of the air box shell 9, and the connecting terminals on the inlet bushing 6 and the outlet bushing 7 need to meet the standardization requirements of primary and secondary fusion, which are mainly used for electric...

Embodiment 2

[0031] On the basis of Embodiment 1, this embodiment continues to further define the parts such as the FTU mechanism and the mechanism box 10 in Embodiment 1, specifically:

[0032] The FTU mechanism is a bell-type FTU15 or a box-type FTU16, which can be selected according to specific usage conditions.

[0033] The mechanism box 10 is also equipped with mechanism operation and indication parts such as energy storage handle 11, manual operation handle 12 and opening and closing indication 13. As preferably, the opening and closing indication 13 is sprayed with fluorescent material, even at night. It is also easy to identify people in the case of poor light.

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Abstract

The invention discloses a primary and secondary fusion outdoor SF6 circuit breaker, and the circuit breaker comprises a circuit breaker switch, a zero-sequence voltage transformer, a phase current transformer, a zero-sequence current transformer, an inlet bushing, an outlet bushing, a gas box housing, a mechanism box and a voltage transformer, wherein the interior of the gas box housing is provided with the circuit breaker switch, and the movable end and the static end of the circuit breaker switch are respectively electrically connected with the inlet bushing and the outlet bushing, which arerespectively installed at two sides of the gas box housing. The circuit breaker has the advantages of small size, light weight and low energy consumption, and realizes measurement, protection, zero sequence protection, data acquisition and transmission and digital detection of the charged state; an FTU mechanism is equipped with a wire loss module, which can collect ETC and EVT signals, and can measure three-phase voltage, current, frequency, power factor and other energy parameter values, thereby realizing the protection control function and communication function.

Description

technical field [0001] The invention relates to an SF6 circuit breaker, in particular to a primary and secondary fusion outdoor SF6 circuit breaker. Background technique [0002] The Ministry of Transportation and Inspection of the State Grid launched the primary and secondary integration of power distribution equipment in May 2016. The primary and secondary integration technology is the main task of the future smart distribution network. After the project is implemented, it will effectively promote the level of power distribution automation in my country and improve the safety and reliability of residents' electricity consumption. It can well solve the problems of distribution automation coverage of incremental equipment and mismatch of primary and secondary equipment in the large-scale construction and transformation of distribution network. [0003] Among them, the outdoor SF6 circuit breaker is the main switchgear for this mission. There are various problems in the exi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/02H01H33/53
CPCH01H33/027H01H33/53
Inventor 钱云贵钱琦霁韩云赵伯策赵金瑞
Owner 陕西高开电气科技有限公司
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