Remote control instruction transmission method for high-voltage circuit breaker

Abstract

The invention discloses a remote control instruction transmission method for a high-voltage circuit breaker. The method comprises the following steps that S1, a control center encrypts a control instruction to be sent to a high-voltage circuit breaker by using a first secret key to generate an instruction ciphertext; S2, the control center encrypts the first secret key to generate a secret key ciphertext; S3, the control center transmits the instruction ciphertext and the secret key ciphertext to the high-voltage circuit breaker; S4, the high-voltage circuit breaker decrypts the secret key ciphertext to obtain a first secret key; and S5, the high-voltage circuit breaker decrypts the instruction ciphertext by using the first secret key to obtain the control instruction. According to the invention, the control instruction transmitted from the control center to the high-voltage circuit breaker is subjected to double encryption, so that the control instruction is prevented from being maliciously tampered in the transmission process, normal opening and closing of the high-voltage circuit breaker are protected, and normal work of a power grid is guaranteed.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a method for transmitting remote control instructions of a high-voltage circuit breaker. Background technique [0002] High-voltage circuit breakers are the most important control and protection equipment in power systems, and are essential in power distribution devices in power plants and substations. The main objects of control and protection of high-voltage circuit breakers are generators, power transmission and distribution systems and other power equipment. Therefore, the reliable operation of high-voltage circuit breakers is very important to the safety and stability of power systems. As the scale of the distribution network gradually increases, the number of power plants and substations also gradually increases. Due to the limitation of the transmission capacity of the original dedicated LAN for the power grid, public networks such as 5G are bound to be used, reg...

AI Technical Summary

Problems solved by technology

[0004] The invention mainly solves the technical problem that the control instructions are easily tampered with maliciously in the process of transmitting the control instructions from the existing control center to the high-voltage circuit breaker; it provides a method for transmitting the remote control instructions of the high-voltage circuit breaker, which can control the transmission from the control center to the high-voltage circuit breaker. The control instructions of the circuit breaker are double-encrypted to effectively prevent the control instructions from being maliciously tampered with during transmission

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