Wiring circuit of interference electricity protector

An electrical protector and wiring circuit technology, applied in emergency protection circuit devices, electrical components, etc., can solve the problems of continuous production process disorder, low-voltage motor shutdown, enterprise production accidents, etc., to ensure normal production process and reduce downtime losses. , the effect of high reliability
CN103560489AInactive Publication Date: 2014-02-05GUANGZHOU HOKO ELECTRIC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGZHOU HOKO ELECTRIC
Publication Date
2014-02-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a wiring circuit of an interference electricity protector. The wiring circuit comprises the interference electricity protector and a power supply state input interface, two power supply interfaces of the interference electricity protector are connected with the end N and the end L1 of an alternating current power supply respectively, a remote control interface of the interference electricity protector is connected with a remote controller, the interference electricity protector is switched off in the starting process of interference electricity self-starting delay, and is switched on in other time frames. When the input voltage of a power supply interface is larger than 80% of a nominal voltage, the power supply state input interface is closed, and is opened normally otherwise. The safety of a power supply and distribution network is effectively guaranteed, power distribution inlet wire breaker tripping caused by the starting of a motor group is avoided, and according to the requirements of a production process, a motor is started fast by itself, the work condition of a process system before interference electricity is restored, a normal production operation procedure is guaranteed, and shut losses caused by the interference electricity are greatly reduced. The interference electricity protector is provided with a contact switch specially matched with a DCS in a remote control mode, the remote control operation is automatically blocked in the self-starting process, and remote control error group starting is avoided.
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Description

technical field

[0001] The invention relates to a wiring circuit of an electric shock protector, which belongs to the field of instrumentation. Background technique

[0002] Sloshing power refers to a power supply failure phenomenon in which the power supply voltage drops or is interrupted in a short period of time. In industrial production, low-voltage motors are often shut down due to swaying electricity, which leads to disorder in the continuous production process, causing production accidents and huge losses to enterprises. The electric shock protector is specially designed to solve the motor shutdown caused by the voltage fluctuation of the power grid, and it can automatically restart when the voltage recovers within a certain period of time. The electric shock protector monitors the grid voltage and the running status of the motor in real time. When the running motor is shut down due to "power shaking", if the grid voltage returns to normal within the set allowable t...

Claims

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