Novel actuator

An actuator and a new type of technology, applied in the protection, electrical components, emergency protection circuit devices that react to overcurrent, etc., can solve the problems of increasing short-circuits of outgoing line faults, hidden dangers of power safety, and short-circuit faults impacting the power grid, etc. short time effect

Inactive Publication Date: 2015-08-12
SOLVE AIR HEFEI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the vigorous development of the country, the power industry has also advanced by leaps and bounds, and the scale has become larger and larger. The grid-connected connections between different power supply systems have also been correspondingly frequent, and the number of faulty short circuits in outgoing lines has also increased. Short-circuit faults impact the entire power grid, making power safe. Hidden danger

Method used

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  • Novel actuator

Examples

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Embodiment Construction

[0007] refer to figure 1 , the present invention is connected in the power grid system, the isolation switch G is closed in use, and the measurement and control unit D passes through a special electronic transformer C, which is an electronic transformer with a high degree of anti-saturation, and can The current signal in the circuit is accurately detected. When the measurement and control unit D detects normal current, almost all of them pass through the fast isolator A with a resistance value of micro-ohm level. Once there is a large-capacity short circuit or a transformer short circuit in the system, the measurement and control unit D collects the current signal detected by the electronic transformer C for analysis and judgment. When a preset start-up value is reached, the measurement and control unit D will send an action signal to the fast isolator A , the fast isolator A will disconnect at high speed within microseconds, and at the same time of disconnection, the fault c...

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Abstract

A novel actuator relates to the circuit safety control field, and comprises a fast isolator (A), a special high voltage current limiter (B), an electronic mutual inductor (C), a measurement and control unit (D), a high capacity overvoltage absorber (E), and an isolation switch (G); the isolation switch (G), the electronic mutual inductor (C) and the fast isolator (A) are connected in serial in sequence; the measurement and control unit (D) detects current signals of two ends of the electronic mutual inductor (C), and is connected with the fast isolator (A); the special high voltage current limiter (B) and the fast isolator (A) are connected in parallel; one end of the high capacity overvoltage absorber (E) is connected with the special high voltage current limiter (B), and the other end is grounded. The novel actuator can fast analyze motions with high efficiency, can cut off a fault point, and a motion time is very short.

Description

technical field [0001] The invention relates to the field of circuit safety control, in particular to a novel actuator. Background technique [0002] In recent years, with the vigorous development of the country, the power industry has also advanced by leaps and bounds, and the scale has become larger and larger. The grid-connected connections between different power supply systems have also been correspondingly frequent, and the number of faulty short circuits in outgoing lines has also increased. Short-circuit faults impact the entire power grid, making power safe. Hidden danger. Contents of the invention [0003] The purpose of the present invention is to provide a new type of actuator, which has the characteristics of rapid and efficient analysis of actions, removal of fault points, and extremely short action time. [0004] In order to solve the problems existing in the background technology, the present invention adopts the following technical solutions: it includes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H3/08H02H7/04
Inventor 不公告发明人
Owner SOLVE AIR HEFEI
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