Smart power grid embedded device network detection assessment system and detection assessment method

An embedded device and smart grid technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as the inability to detect and evaluate embedded systems network security.

Active Publication Date: 2014-07-02
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +1
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  • Abstract
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Problems solved by technology

For attacks such as illegal interception, interruption, tampering or forgery from the network level, since it is impossible to directly install additional networ...

Method used

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  • Smart power grid embedded device network detection assessment system and detection assessment method
  • Smart power grid embedded device network detection assessment system and detection assessment method
  • Smart power grid embedded device network detection assessment system and detection assessment method

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Embodiment Construction

[0069] like figure 1 As shown, the smart grid embedded device network detection and evaluation system of the present invention includes a dedicated network security detection device, a shadow machine and a power system security monitoring center;

[0070] The data receiving end of the special network security detection equipment is connected to the smart grid network, and the data transmission end of the special network security detection equipment is respectively connected to the shadow machine and the actual embedded device, and the special network security detection equipment is used to perform various network data packets. Analyze and filter, and send normal network data information to the actual embedded device according to the analysis results, and send abnormal network data information to the shadow machine; abnormal network data information includes two parts:

[0071] (1) Abnormal network data content: The dedicated network security detection equipment sends abnormal ...

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Abstract

The invention discloses a smart power grid embedded device network detection assessment system which comprises a special network safety detection device, a shadow machine and a power system safety monitoring center. The special network safety detection device analyzes and filters various kinds of network data packs; the shadow machine detects the network state and changes of a host state of the embedded system when the embedded system is under network attack and sends the network state and host station information to the power system safety monitoring center; the power system safety monitoring center obtains a safety detection result by means of multi-dimensional property comprehensive measurement based on platform configuration property measurement, platform operation property measurement and user authentication property measurement. On the premise that normal work of the embedded system is not influenced, real-time and dynamic safety detection and assessment can be carried out on known or unknown power system network attacks quickly and accurately by means of the shadow machine.

Description

technical field [0001] The invention relates to the field of safety testing of smart grid embedded devices, in particular to a smart grid embedded device network detection and evaluation system and detection and evaluation method. Background technique [0002] With the rise of the Internet of Things industry, in the smart grid, all kinds of sensors and control devices are embedded systems, which are widely used in the main links of power generation, power transmission, power transformation, power distribution and user power consumption. In addition to business measurement and transmission functions, the embedded system also plays a core business operation control function. For example, the multi-rate electric energy metering management unit at the user level, the transformer oil temperature sensor, voltage and current transmitter, relay protection device, fault recording, line protection, fault distance measuring device at the equipment layer, and digital recording in the co...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/26
Inventor 莫坚松张之刚牛霜霞耿俊成
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST
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