Substation-oriented protection intelligent center system and its cold and hot standby mode selection method
A technology of intelligent center and standby mode, applied in information technology support systems, electrical components, circuit devices, etc., can solve the problems of long construction period, complicated secondary reconstruction, installation and debugging, and restriction of power restoration, and achieves low reliability and economical efficiency. performance and reliability, and the effect of improving reliability
Inactive Publication Date: 2016-04-13
HUAZHONG UNIV OF SCI & TECH +1
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Problems solved by technology
However, due to the complex installation and commissioning of the secondary reconstruction of protection and the long construction period, it has become a bottleneck restricting the restoration of power supply
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[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
[0033] Such as figure 1 As shown, the substation-oriented protection intelligent center system of the embodiment of the present invention includes an acquisition and processing module, a communication module, a fault location determination module, and a trip decision module. The acquisition and processing modules are respectively connected to the communication module, the fault location determination mo...
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The invention discloses a protecting intelligent central system orienting transformer substations and a cold and hot standby mode selection method thereof. According to the protecting intelligent central system, a collecting and processing module is used for collecting operating data of all the transformer substations, a communicating module, a fault position distinguishing module and a trip decision-making module are used for achieving analysis and calculation of the collected data, finally after station region protection of the transformer substations quits from maintenance, the protecting intelligent central system serves as a standby protecting system of the transformer substations with faults to replace the protection functions of the transformer substations with the faults, and therefore the reliability of load-center substation systems is effectively improved. Before the protecting intelligent central system is formally put into operation, cold and hot standby modes are selected, and serve as two working modes of the protecting intelligent central system, the cold standby mode is high in economy while low in reliability, the hot standby mode is high in reliability while low in economy, the protecting intelligent central system can make suitable selection for the transformer substation systems in different health states, and therefore balance between the economy and the reliability is achieved.
Description
Technical field [0001] The invention belongs to the technical field of power system relay protection, and more specifically, relates to a substation-oriented protection intelligent center system and a method for selecting a cold and hot standby mode thereof. Background technique [0002] At present, the relay protection technology presents two different development routes. One is the in-depth integration of primary and secondary equipment, and the integration of primary and secondary equipment will eventually form primary intelligent equipment; the other is to use the advantages of the basic platform of smart substations to integrate between compartments to form centralized station protection for substations. At present, smart substation technology has been greatly promoted in both the State Grid and China Southern Power Grid. Several major domestic protection manufacturers, including NARI Relay, Sifang, Xu Ji, etc., have actual products and engineering operations, primary and se...
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IPC IPC(8): H02J13/00
CPCY02E60/00Y04S10/16
Inventor 林湘宁薄志谦张锐童宁田丰伟黄景光魏繁荣杨鹏宇
Owner HUAZHONG UNIV OF SCI & TECH