Privacy protection type real-time electric charge collecting method for intelligent power grid

A privacy protection and smart grid technology, applied in the field of communication, can solve the problems of complex grid maintenance, large storage space, large calculation time and storage space overhead, etc., and achieve the effect of overcoming the complexity of grid maintenance, overcoming calculation time, and simple grid maintenance

Active Publication Date: 2014-12-17
DELIXI GROUP INSTRUMENT CO LTD
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Problems solved by technology

However, the disadvantages of this method are: because the pseudonym needs to be changed regularly, the maintenance of the power grid is complicated, and the calculation time and storage space are relatively large.
However, this method still has the disadvantage that the set of key noise parameters and the selection probability set of key noise

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  • Privacy protection type real-time electric charge collecting method for intelligent power grid
  • Privacy protection type real-time electric charge collecting method for intelligent power grid

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings.

[0038] Refer to attached figure 1 , the relationship and functions of the trusted center, local aggregator, building gateway and smart meter involved in the present invention are as follows.

[0039] The smart meter of the present invention is responsible for periodically recording the real-time electricity consumption data of the user, and periodically transmitting the real-time electricity consumption data to the upper-level processor. The building gateway provides an information exchange interface between the smart meter and the local aggregator. The local aggregator is responsible for issuing network access licenses for smart meters, distributing smart meters to users, and collecting user data sent by building gateways. The trusted center is responsible for generating security parameters and public and private keys for each entity in the power grid.

[0040] The d...

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Abstract

The invention discloses a privacy protection type real-time electric charge collecting method of an intelligent power grid. The method comprises the following steps: 1, initializing a system; 2, registering through a user before logging in the network; 3, releasing network access permit for an intelligent ammeter through a local aggregator; 4, obtaining a safety parameter through the intelligent ammeter; 5, transferring the network access permit through building gateway; 6, blinding the user electricity consumption data through the intelligent ammeter; 7, signing the blinded massage through the building gateway, and sending the signature result to the local aggregator; 8, removing blinding of the signed message through the local aggregator, recovering the user electricity consumption data, signature value of the user electricity consumption data, and the signature parameter, and verifying the validity of the signature value of the user electricity consumption data. With the adoption of the method, the user privacy is protected when collecting the real-time electricity consumption data; meanwhile, the source of vicious electricity consumption data can be found out; therefore, the stability of a power grid system can be improved well.

Description

technical field [0001] The present invention relates to the technical field of communication, and further relates to a real-time electricity collection method with privacy protection in the smart grid in the technical field of smart grid information security. The invention can be used in the smart grid to realize the anonymity of the building gateway when counting the user's real-time power consumption information, thereby protecting the privacy of the user's identity and power consumption situation. Background technique [0002] The smart grid is the intelligence of the grid, including more accurate meter sensing and measurement technology and more flexible billing methods. The power resources in the smart grid will be reintegrated and optimized, which will greatly improve the utilization rate of energy. The smart grid enables users to form an instant connection network with the grid company through the smart grid, realizes two-way, high-speed data transmission and informa...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L9/08H04L29/06
Inventor 陈杰张跃宇时俊萍刘珺峰张倩赵臻陈若昕周华
Owner DELIXI GROUP INSTRUMENT CO LTD
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