Transient simulation test method for intelligent substation
A smart substation and transient simulation technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as complex algorithms and large calculations, achieve simple procedures, simplify test procedures, and improve transient test efficiency Effect
Active Publication Date: 2020-04-24
ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY +1
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[0003] Aiming at the problems of complex transient simulation test algorithm and large amount of calculation in the prior art, the present invention provides a transient simulation test method for intelligent substations
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[0012] The present invention will be further described below in conjunction with the accompanying drawings.
[0013] The method of the present invention includes a test module and a protection module; the test module for outputting voltage and current is provided with test software, which is used to apply the method of the present invention for receiving switch closure, calculating network Topological structure, fault information and other files and make decisions, and the protection module is used for closing and other actions.
[0014] Such as figure 1 , the present invention generates the network topology structure of the main wiring through the switch state of each switch of the main wiring, and the network topology structure can be automatically updated according to the switch position program in the main wiring. Through the network topology, the node admittance matrix can be automatically generated. And the node admittance matrix is updated in real time according to ...
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The invention provides an intelligent substation transient simulation test method, and aims to solve the problems of complex transient simulation test algorithm and large calculated amount in the prior art. The method comprises the following steps of: 1) generating a node admittance matrix through a network topology structure; 2) generating the network topology structure and the node admittance matrix, and outputting voltage and current in a fault state; and 3) recalculating each bus voltage and each interval current according to the switch position, sending the switch position of the corresponding interval and the voltage and current of the corresponding interval after the switch trips off at the same time after receiving the tripping message, judging whether reclosing is needed or not according to the switch position and the voltage and current values, and ending the test. The method provided by the invention is simple in process, solves the problems in protection test of complex logic functions and protection test of substation area protection in the secondary system test based on the power frequency quantity and whole station simulated whole-group protection test software, greatly simplifies the secondary system test process, and improves the transient test efficiency.
Description
technical field [0001] The invention belongs to the field of substation debugging, and in particular relates to an intelligent substation transient simulation test method. Background technique [0002] Relevant units have carried out relevant research on the debugging technology of secondary equipment in smart substations, but they mainly focus on applying transient simulation tests to on-site debugging or factory joint debugging, such as miniaturization and distribution of transient test devices, but these technologies are currently The main reasons are as follows: 1) On-site commissioning does not need to consider electromagnetic transients; 2) For users, the application is complicated and difficult to master; 3) The transient simulation algorithm is complicated, and there are only a few manufacturers or Scientific research units have corresponding development capabilities. Transient simulation has a large amount of calculation, and the closed-loop test requires real-time...
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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 樊越甫方涛刘海东钱晔元杰郭灿杰钟代宁蔺东奎严磊郭怀飞李伟张峰王晨晨常玉张果峰单硕亓学忠王其祥薛凡任亚军
Owner ELECTRIC POWER OF HENAN LUOYANG POWER SUPPLY