CN110596444A - Method for intelligently switching power supply line - Google Patents
Method for intelligently switching power supply line Download PDFInfo
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- CN110596444A CN110596444A CN201810602520.8A CN201810602520A CN110596444A CN 110596444 A CN110596444 A CN 110596444A CN 201810602520 A CN201810602520 A CN 201810602520A CN 110596444 A CN110596444 A CN 110596444A
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- power supply
- supply line
- digitalized
- instant
- switching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a method for intelligently switching power supply lines, which sequentially comprises the following steps: for each power supply line, acquiring an instant current signal of the power supply line through a corresponding current transformer; calculating the digital predicted current information of the power supply line at the time point of the next period; calculating the digital predicted voltage information of the power supply line at the time point of the next period; and the switching switch executes line switching operation according to the received switching signal. The invention solves the problems of low automation and intelligence degree in the prior art and power supply conflict caused by manual error, and provides the method for intelligently switching the power supply lines.
Description
Technical Field
The invention relates to an electric power system, in particular to a method for intelligently switching power supply lines.
Background
In real life, each power supply network has the problem that the price of each power supply station is not uniform due to different power supply tension degrees, and the problems of damage of household appliances of users and even fire and other production safety accidents caused by unstable power supply voltage/current also exist. At present, the manual switching knife is mainly adopted to switch the electric communication relation between a plurality of power supply lines and a power transmission line, but the mode needs manual participation, the automation and the intelligence degree are low, and the problem of power supply conflict caused by manual error exists, for example, two power supply lines are simultaneously connected on the same power transmission line, so that the voltage/current of the power transmission line is suddenly increased.
Disclosure of Invention
The invention solves the problems of low automation and intelligence degree in the prior art and power supply conflict caused by manual error, and provides the method for intelligently switching the power supply lines.
The invention is realized by the following technical scheme:
the method for intelligently switching the power supply line sequentially comprises the following steps:
A. for each power supply line, acquiring an instant current signal of the power supply line through a corresponding current transformer, acquiring an instant voltage signal of the power supply line through a corresponding voltage transformer, performing analog-to-digital conversion on the instant current signal into digital instant current information through a corresponding A/D converter, and performing analog-to-digital conversion on the instant voltage signal into digital instant voltage information;
B. periodically acquiring digitalized instant current information and digitalized instant voltage information from a corresponding A/D converter, importing the corresponding digitalized instant current information and the corresponding discrete digitalized historical current information read from a memory into an artificial neural network prediction model, and calculating the digitalized predicted current information of the power supply line at the time point of the next period;
C. importing the corresponding digital instant voltage information and the corresponding discrete digital historical voltage information read from the memory into an artificial neural network prediction model, and calculating the digital predicted voltage information of the power supply line at the time point of the next period;
D. when the digitalized predicted current information and the digitalized predicted voltage information of one power supply line do not accord with the power transmission standard of the power transmission line, and the digitalized predicted current information and the digitalized predicted voltage information of the other power supply line are found to accord with the power transmission standard of the power transmission line, sending a switching signal to a switching switch;
E. and the switching switch executes line switching operation according to the received switching signal.
Furthermore, in the method for intelligently switching the power supply lines, each power supply line is respectively connected with a switching switch.
Further, in the method for intelligently switching power supply lines, the power transmission standard in step D includes: minimum voltage amplitude, maximum voltage amplitude, minimum current amplitude, maximum current amplitude, and maximum reactive power loss tolerance value.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention can realize the switching of the electric communication relation between a plurality of power supply lines and the power transmission line, and has wide application range.
2. The invention can collect the voltage and current information of each power supply circuit, and realize the real-time judgment or prejudgment of the stability of the power supply voltage and current.
3. The invention has the advantages of strong practicability, simple structure and the like, and is convenient for practical popularization and use.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limitations of the present invention.
Examples
The method for intelligently switching the power supply line sequentially comprises the following steps:
A. for each power supply line, acquiring an instant current signal of the power supply line through a corresponding current transformer, acquiring an instant voltage signal of the power supply line through a corresponding voltage transformer, performing analog-to-digital conversion on the instant current signal into digital instant current information through a corresponding A/D converter, and performing analog-to-digital conversion on the instant voltage signal into digital instant voltage information;
B. periodically acquiring digitalized instant current information and digitalized instant voltage information from a corresponding A/D converter, importing the corresponding digitalized instant current information and the corresponding discrete digitalized historical current information read from a memory into an artificial neural network prediction model, and calculating the digitalized predicted current information of the power supply line at the time point of the next period;
C. importing the corresponding digital instant voltage information and the corresponding discrete digital historical voltage information read from the memory into an artificial neural network prediction model, and calculating the digital predicted voltage information of the power supply line at the time point of the next period;
D. when the digitalized predicted current information and the digitalized predicted voltage information of one power supply line do not accord with the power transmission standard of the power transmission line, and the digitalized predicted current information and the digitalized predicted voltage information of the other power supply line are found to accord with the power transmission standard of the power transmission line, sending a switching signal to a switching switch;
E. and the switching switch executes line switching operation according to the received switching signal.
Wherein, each power supply line is connected with the fling-cut switch respectively.
The power transmission standard in the step D comprises the following steps: minimum voltage amplitude, maximum voltage amplitude, minimum current amplitude, maximum current amplitude, and maximum reactive power loss tolerance value.
The invention comprises the following steps: can realize carrying out the switching of electricity communicating relation between many power supply lines and transmission line, application scope is wide. The invention can collect the voltage and current information of each power supply circuit, and realize the real-time judgment or prejudgment of the stability of the power supply voltage and current. The invention has the advantages of strong practicability, simple structure and the like, and is convenient for practical popularization and use.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. The method for intelligently switching the power supply line is characterized by sequentially carrying out the following steps of:
A. for each power supply line, acquiring an instant current signal of the power supply line through a corresponding current transformer, acquiring an instant voltage signal of the power supply line through a corresponding voltage transformer, performing analog-to-digital conversion on the instant current signal into digital instant current information through a corresponding A/D converter, and performing analog-to-digital conversion on the instant voltage signal into digital instant voltage information;
B. periodically acquiring digitalized instant current information and digitalized instant voltage information from a corresponding A/D converter, importing the corresponding digitalized instant current information and the corresponding discrete digitalized historical current information read from a memory into an artificial neural network prediction model, and calculating the digitalized predicted current information of the power supply line at the time point of the next period;
C. importing the corresponding digital instant voltage information and the corresponding discrete digital historical voltage information read from the memory into an artificial neural network prediction model, and calculating the digital predicted voltage information of the power supply line at the time point of the next period;
D. when the digitalized predicted current information and the digitalized predicted voltage information of one power supply line do not accord with the power transmission standard of the power transmission line, and the digitalized predicted current information and the digitalized predicted voltage information of the other power supply line are found to accord with the power transmission standard of the power transmission line, sending a switching signal to a switching switch;
E. and the switching switch executes line switching operation according to the received switching signal.
2. The method for intelligently switching power supply lines according to claim 1, characterized in that each power supply line is connected with a switching switch.
3. The method of intelligently switching power supply lines according to claim 1, wherein the power transmission standard in step D includes: minimum voltage amplitude, maximum voltage amplitude, minimum current amplitude, maximum current amplitude, and maximum reactive power loss tolerance value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602520.8A CN110596444A (en) | 2018-06-12 | 2018-06-12 | Method for intelligently switching power supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602520.8A CN110596444A (en) | 2018-06-12 | 2018-06-12 | Method for intelligently switching power supply line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110596444A true CN110596444A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810602520.8A Withdrawn CN110596444A (en) | 2018-06-12 | 2018-06-12 | Method for intelligently switching power supply line |
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| CN (1) | CN110596444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093571A (en) * | 2021-03-01 | 2021-07-09 | 北京安科特科技有限公司 | Intelligent management method, system and device for intelligent power utilization system |
-
2018
- 2018-06-12 CN CN201810602520.8A patent/CN110596444A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093571A (en) * | 2021-03-01 | 2021-07-09 | 北京安科特科技有限公司 | Intelligent management method, system and device for intelligent power utilization system |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191220 |