A demarcation switch protection system based on the combination of plc and fault indicator
A fault indicator and demarcation switch technology, applied in the field of smart grid, can solve problems such as the inability to realize intelligent control of power distribution, affect the production efficiency of power-consuming enterprises, and restrict the development of smart grid, so as to achieve timely and accurate fault information and location services, The effect of convenient peripheral networking and good expansion space
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[0021] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.
[0022] A boundary switch protection system based on the combination of PLC and fault indicator, composed of PLC, fault indicator, GPRS module, combined with a complete set of high-voltage power distribution equipment, to form an intelligent boundary switch device with logical judgment function, the system and external equipment and The relationship between the control devices inside is as attached figure 1 As shown, the topology of the present invention is as attached figure 2 As shown, the primary system diagram is attached image 3 shown.
[0023] The PT cabinet of the present invention is equipped with a UPS uninterruptible power supply, and its power supply comes from the voltage transformer of the volta...
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