Voltage shock avoiding circuit

A technology of anti-sway electricity and circuits, applied in the direction of circuit devices, electrical components, emergency power supply arrangements, etc., can solve problems such as safety accidents and enterprise property losses, achieve high practicability, and solve the effect of enterprise safety production accidents and property losses

Inactive Publication Date: 2011-05-25
JIANGSU SFERE ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The emergence of swaying electricity is catastrophic for enterprises that require a large number of equipment in continuous production that do not allow protection devices to trip and shut down in the pr

Method used

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0012] The anti-sway electric circuit of the present invention is used to solve the electric sway problem in industrial occasions, and is especially suitable for industrial occasions where instantaneous fluctuations in the grid voltage are caused by various reasons and the tripping and shutdown of the protection device is not allowed.

[0013] As shown in Figure 1, the anti-shake circuit of the present invention includes a first control power supply 1, a supercapacitor en...

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Abstract

The invention discloses a voltage shock avoiding circuit, which comprises a first control power supply, a supercapacitor energy storage circuit, a DC/DC boosting circuit, a reverse-preventing circuit and a second control power supply which are sequentially connected in series. In the invention, after the voltage shock avoiding circuit is additionally arranged on a first control power supply circuit, the supercapacitor energy storage circuit outputs stable voltage through the DC/DC boosting circuit and is connected to the second control power supply through the reverse-preventing circuit, thus the problems that the safety production accidents and the property loss of enterprises due to tripping and halting of a protecting device caused by voltage shock can be solved. The voltage shock avoiding circuit has high practicability in the electrical engineering field, in particular to a protecting device of electrical equipment.

Description

technical field [0001] The invention relates to an anti-sway electric circuit, which belongs to the field of electric equipment protection. Background technique [0002] During the operation of the power system, due to lightning strikes, short-circuit to ground, fault reclosing, backup and self-switching, internal and external power grid failures, large-scale equipment start-up, etc., the grid voltage fluctuates greatly instantaneously or the power is restored after instantaneous power failure. The phenomenon is called "shock electricity". The emergence of swaying electricity is catastrophic for enterprises that require a large number of equipment in continuous production that do not allow protection devices to trip and shut down in the process. The light ones will cause hundreds of thousands or tens of millions of economic losses, and the serious ones will also cause safety hazards. The accident caused huge property losses to the enterprise. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H02J9/00H02J15/00
CPCY02P90/50
Inventor 张志宝张怡许文专张凤雏
Owner JIANGSU SFERE ELECTRIC
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