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Encryption method, device and storage medium for power system control and protection program

A technology of control protection and power system, applied in the direction of digital data protection, computer security devices, electrical digital data processing, etc., can solve the problems that the accuracy of power system control and protection programs cannot be guaranteed, so as to ensure safe and stable operation and improve accuracy and efficiency, avoiding omissions and errors

Active Publication Date: 2020-12-29
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0006] The purpose of the present invention is to provide an encryption method, device and storage medium adapted to the control and protection program of the power system, which is used to solve the problem that the accuracy of the control and protection program of the power system cannot be guaranteed in the prior art

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  • Encryption method, device and storage medium for power system control and protection program
  • Encryption method, device and storage medium for power system control and protection program

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Embodiment Construction

[0023] In the encryption method of the present invention, the object of encryption is the control and protection program of the power system, which refers to the control and protection program that is common in the power system and has a very intuitive structure and operation. The programming, debugging and modification of this control and protection program are very simple.

[0024] In order to clearly illustrate the encryption method of the power system control and protection program of the present invention, the HCM3000 platform used for UHV DC transmission projects is taken as an example below to illustrate the encryption process of the control and protection program of the platform. The HCM3000 platform is an embedded high-end industrial control system software and hardware platform. The platform has a wide range of applications in power systems such as high voltage and ultra high voltage direct current transmission. The control and protection program of the platform ado...

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Abstract

The invention relates to an encryption method and device of a power system control protection program and a storage medium. The encryption method comprises the following steps: analyzing information of all modules, variables and connecting lines in a program according to the content of the control protection program, summarizing to form a data chain with a logical operation function, adding attribute setting information of the modules and the variables, finally combining to form a character string containing specific data information, and finally performing encryption calculation. The encryption method can ensure that the control protection program downloaded to the device on the engineering site is accurate.

Description

technical field [0001] The invention belongs to the field of encryption methods, in particular to an encryption method, device and storage medium of a power system control protection program. Background technique [0002] At present, control and protection programs with very intuitive structure and operation are often used in power systems. The programming, debugging and modification of this control and protection program are very simple. [0003] However, with the deepening of the application, some new problems are also faced: due to program design changes, user needs, and misoperations, key data in the program will be lost during transmission, maliciously modified, or even infected with viruses, causing actual problems on the project site. The control and protection program downloaded to the device is wrong, which affects the safety and stability of the power system operation. Therefore, it is necessary to carry out encrypted calculations. Through encrypted calculations ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60
CPCG06F21/602G06F21/606G06F2221/2107
Inventor 刘海斌张爱玲郝俊芳曾丽丽李鹏孔祥平吕鹏飞阮思烨王业陈大鹏
Owner STATE GRID CORP OF CHINA
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