A Programmable Method for Standby Self-switching Logic
A programming method and a technology for self-starting backup, applied to electrical components, emergency power supply arrangements, circuit devices, etc., can solve problems such as poor versatility and flexibility, inconvenient use, and complex programmable implementation methods for backup and self-starting Prepare auto-cast logic fixed effect
Inactive Publication Date: 2017-02-15
南京因泰莱软件技术有限公司
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Problems solved by technology
[0003] Aiming at the deficiencies of the existing backup power self-switching devices, in order to solve the disadvantages of poor versatility and flexibility of the backup power self-switching devices, fixed auto-switching logic, and some backup self-switching programmable implementation methods are complex, costly and inconvenient to use, the present invention A new technical solution is proposed as follows
Method used
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[0010] The technical solutions of the present invention will be further described below through specific examples.
[0011] Such as figure 1 Shown is the logical block diagram of the self-injection equipment of the present invention.
[0012] A kind of standby self-injection main wiring such as figure 2 As shown, incoming line 1 passes through 1DL, incoming line 2 connects to section I busbar through 2DL, incoming line 3 connects to section II busbar through 4DL, and section I busbar and section II busbar connect through 3DL. Backup power self-injection device collects incoming line 1 voltage Ux1, incoming line 1 current Ix1, incoming line 1 circuit breaker position 1DL; incoming line 2 voltage Ux2, incoming line 2 current Ix2, incoming line 2 circuit breaker position 2DL; incoming line 3 voltage Ux3, incoming line 3 current Ix3, incoming line 3 circuit breaker position 4DL; section I bus voltage Uab1, Ubc1, Uca1, section II bus voltage Uab2, Ubc2, Uca2, section circuit bre...
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The invention discloses a method for programming automatic spare power switching logic. The method comprises the steps of programming charge conditions, programming discharge conditions, programming start conditions and programming motion sequences. Each automatic spare power switching logic is configured with a plurality of 16-bit control words serving as parameters of the charge conditions, the discharge conditions, the start conditions and the motion sequences of automatic spare power switching. The automatic spare power switching logic can be flexibly configured by changing the control words. An automatic spare power switching device is used for acquiring inputs required by automatic switching logic such as voltage and current analog quantities, current breaker positions and blocking signals. After logic programming, circuit breakers are turned on and off through relay outlets provided by the device, so that designated automatic spare power switching logic is achieved, automatic incoming line switching, automatic bus section switching, automatic plant transformer switching and automatic spare power switching for any designated logic can be realized by using one automatic spare power switching device, the needed automatic spare power switching logic can be achieved by changing the corresponding control words, and the universality, the flexibility and the usability of the automatic spare power switching device are greatly improved.
Description
technical field [0001] The invention is aimed at the microcomputer backup power automatic input device used in power plants and substations; especially the automatic input logic is complex and requires special application occasions. Background technique [0002] With the improvement of power supply reliability requirements, the use of backup power automatic switching devices has become more and more popular, and the backup automatic switching logic has become more and more diverse. When the power system breaks down or other reasons cause the working power to be disconnected, the backup power self-injection device can quickly put the backup power into operation automatically to ensure that the user can quickly restore the power supply. The regulations stipulate that the automatic power supply device for equipment should be installed in the following situations: ①The power supply used by the power plant with backup power supply and the power supply used by the substation; ③Th...
Claims
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IPC IPC(8): H02J9/06
Inventor 张杭高建虎
Owner 南京因泰莱软件技术有限公司