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Primary and secondary fusion intelligent switch system of pole-mounted circuit breaker

A pole-mounted circuit breaker and intelligent switch technology, which is applied in information technology support systems, circuit devices, electrical components, etc., can solve the problems of slow data transmission rate and easy interference of signal transmission, and achieve fast signal transmission speed and economy Strong, high operational stability

Inactive Publication Date: 2019-07-26
成都恒通恒泰科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above deficiencies in the prior art, the present invention proposes a primary and secondary fusion intelligent switch system for pole-mounted circuit breakers to solve the problems that the signal transmission between the pole-mounted circuit breaker equipment and FTU is susceptible to interference and the data transmission rate is too slow

Method used

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  • Primary and secondary fusion intelligent switch system of pole-mounted circuit breaker
  • Primary and secondary fusion intelligent switch system of pole-mounted circuit breaker
  • Primary and secondary fusion intelligent switch system of pole-mounted circuit breaker

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Embodiment Construction

[0018] Such as figure 1 As shown, a specific embodiment of the present invention is: a primary and secondary fusion intelligent switch system for a pole-mounted circuit breaker. The primary and secondary fusion intelligent switch system of the pole-mounted circuit breaker is mainly composed of electronic sensors (1), pole-mounted switches (2), FPGA controllers (3), optical fibers (4), and digital FTUs (5).

[0019] The electronic sensor (1) converts the voltage and current signals of the three-phase power grid into small analog signals, and the FPGA controller (3) collects the small analog signals input by the electronic sensors through analog-to-digital conversion, while the FPGA controller (3) collects them in real time State signals of electronic sensors (1) and switches (2) on the column, and the collected voltage, current and state signals are transmitted to digital FTU (5) through optical fiber, and digital FTU (5) is transmitted through optical fiber (4) The control si...

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Abstract

The invention discloses a primary and secondary fusion intelligent switch system of a pole-mounted circuit breaker, and belongs to the field of intelligent power distribution equipment. The primary and secondary fusion intelligent switch system of the pole-mounted circuit breaker particularly comprises an electronic sensor, a pole-mounted switch, an FPGA controller, an optical fiber and a digitalFTU. According to the system, the FPGA controller is communicated with the digital FTU by the bidirectional optical fiber; burst transmission of data between primary and secondary equipment is achieved by adopting a communication protocol in data / feedback frame, control frame and regulation frame formats; the detection time of a grid fault and the clearing time of a distribution network during thefault are greatly reduced; the reliability is high; and the economy is high.

Description

technical field [0001] The invention belongs to the field of red intelligent power distribution equipment, in particular to a primary and secondary fusion intelligent switch system of a pole-mounted circuit breaker. Background technique [0002] At present, the pole-mounted circuit breaker mainly uses two methods to transmit voltage, current, and status signals of the circuit breaker to the FTU, and receive control and debugging signals from the FTU. One is to directly transmit the voltage, current, and status signals to the FTU, due to the long transmission distance, will inevitably cause signal attenuation. Since the transmission line is close to the high-voltage power grid, it is easy to be interfered by the signal, causing signal distortion, seriously affecting the sampling accuracy of the data, and causing malfunction of the circuit breaker control, causing safety accidents , the other is to convert the voltage, current and state signals into digital signals and send th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00
CPCH02J13/00019Y04S40/124Y02E60/00
Inventor 罗强
Owner 成都恒通恒泰科技有限公司
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