CN201837675U - Detection and analysis system for losses of low-voltage platform area - Google Patents
Detection and analysis system for losses of low-voltage platform area Download PDFInfo
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- CN201837675U CN201837675U CN201020566770XU CN201020566770U CN201837675U CN 201837675 U CN201837675 U CN 201837675U CN 201020566770X U CN201020566770X U CN 201020566770XU CN 201020566770 U CN201020566770 U CN 201020566770U CN 201837675 U CN201837675 U CN 201837675U
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Abstract
The utility model relates to electric power equipment. The utility model discloses a detection and analysis system for losses of a low-voltage platform area. The detection and analysis system comprises a user electric meter, a concentrator, an assessment meter, a multifunctional electronic meter reading module, a supply transformer and an electricity center server; the multifunctional electronic meter reading module is arranged between the assessment meter and the concentrator; the connected concentrator supplies power for the multifunctional electronic meter reading module; the assessment meter is arranged between the supply transformer and the multifunctional electronic meter reading module; the supply transformer is also connected with the concentrator; the electricity center server is connected with the supply transformer; and the concentrator is connected with the user electric meter. The detection and analysis system is in favor of improving the timeliness and the accuracy of the monitoring for the line losses of the low-voltage platform area and lowering the cost for the manual monitoring for the line losses of the low-voltage platform area.
Description
Technical field
The utility model relates to a kind of power equipment.Be specifically related to a kind of low district loss check and analysis system of presenting a theatrical performance as the last item on a programme.
Background technology
Supply electricity consumption enterprise in daily operation maintenance process, problem for the low district's loss of presenting a theatrical performance as the last item on a programme, owing to there is not the instrument of quantification automatically, the general staff not too payes attention to the low district's loss of presenting a theatrical performance as the last item on a programme, and the low at present district's loss of presenting a theatrical performance as the last item on a programme has been the important component part of whole line loss.Because low-voltage customer quantity is many, the user disperses, and the line loss of calculating the low district of presenting a theatrical performance as the last item on a programme with artificial method is more loaded down with trivial details, occurs manual errors easily.
In general remote centralized meter-reading system, concentrator just can seldom carry out copy reading and storage with the data of table of merit rating with the copy reading of ammeter reading and the storage of power consumer.So in existing remote centralized meter-reading system, can not calculate automatically and analyze to the low pressure loss.
The utility model content
The purpose of this utility model provides a kind of promptness and accuracy that helps improving the low district's line loss of presenting a theatrical performance as the last item on a programme of monitoring, reduces the low district loss check and analysis system of presenting a theatrical performance as the last item on a programme of the cost of the low district's line loss of presenting a theatrical performance as the last item on a programme of personal monitoring.
In order to achieve the above object, the utility model has following technical scheme:
A kind of low district loss check and analysis system of presenting a theatrical performance as the last item on a programme of the present utility model, comprise electric supply meter, concentrator, table of merit rating, multi-function wrist-instrument copy reading module, supply transformer, electricity consumption central server, multi-function wrist-instrument copy reading module is installed between table of merit rating and concentrator, multi-function wrist-instrument copy reading module is by the concentrator power supply that is connected, between supply transformer and multi-function wrist-instrument copy reading module, table of merit rating is installed, supply transformer also is connected with concentrator, the electricity consumption central server is connected with supply transformer, and concentrator is connected with electric supply meter.
Wherein, described multi-function wrist-instrument copy reading module is made up of RS-232 interface, 485 interfaces, data processing unit, data storage cell, standby power supply, wherein, data processing unit is connected with data storage cell, standby power supply, and RS-232 interface, 485 interfaces are connected with data processing unit, data storage cell by bus.
Owing to taked above technical scheme, advantage of the present utility model is:
The utility model helps improving the promptness and the accuracy of the low district's line loss of presenting a theatrical performance as the last item on a programme of monitoring with respect to existing technology, reduces the cost of the low district's line loss of presenting a theatrical performance as the last item on a programme of personal monitoring.
Description of drawings
Fig. 1 is the block diagram of the utility model structure;
Fig. 2 is the block diagram of the utility model multi-function wrist-instrument copy reading module;
Fig. 3 is the comprehensive line loss curve map in railway platform district of numbering 03X578.
Among the figure:
1, electricity consumption central server;
2, supply transformer;
3, concentrator;
4, table of merit rating;
5, multi-function wrist-instrument copy reading module;
6, electric supply meter.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Referring to Fig. 1, Fig. 2, a kind of low district loss check and analysis system of presenting a theatrical performance as the last item on a programme of the present utility model, by electricity consumption central server 1, supply transformer 2, concentrator 3, table of merit rating 4, multi-function wrist-instrument copy reading module 5, electric supply meter 6 is formed, multi-function wrist-instrument copy reading module 5 is by RS-232 interface, 485 interfaces, data processing unit, data storage cell, standby power supply is formed, wherein, multi-function wrist-instrument copy reading module 5 is installed between table of merit rating 4 and concentrator 3, multi-function wrist-instrument copy reading module 5 is by concentrator 3 power supplies that connected, table of merit rating 4 is installed between supply transformer 2 and multi-function wrist-instrument copy reading module 5, the parameters that this table of merit rating 4 is used for detecting supply transformer 2 (comprises voltage, electric current, power, divide phase voltage, divide phase current, phase-splitting power), supply transformer 2 also is connected with concentrator 3, electricity consumption central server 1 is connected with supply transformer 2, and concentrator 3 is connected with electric supply meter 6; Described data processing unit is connected with data storage cell, standby power supply, RS-232 interface, 485 interfaces are connected with data processing unit, data storage cell by bus, standby power supply provides power down copy reading function, data processing unit is made up of CPU, system ROM, and CPU adopts INTEL8088 embedded type low-power consumption microchip.
485 interfaces are used for reading the various data (comprise voltage, electric current, power, branch phase voltage, divide phase current, phase-splitting power) of transformer, and the data owner that reads will provide the end that infeeds of line loss consumption analysis, and the verification msg in later stage is provided.RS-232 is a communication interface.
Data processing unit: major function is to handle the data that read from 485 interfaces, by PT value, the CT value total electric weight of calculating and A, B, the C three-phase electric weight of table of merit rating.PT is the english abbreviation of voltage transformer (VT), and it is that a kind of step-down is so that the device of measuring in proportion with high voltage, and wherein this ratio is exactly the PT value.CT is the english abbreviation of current transformer, and it is a kind of device that big electric current is diminished in proportion and measures, and wherein this ratio is exactly the CT value.
Data storage cell: store the various data (comprise voltage, electric current, power, branch phase voltage, divide phase current, phase-splitting power) of the table of merit rating that reads, for more detailed loss analysis provides full and accurate data.
Each district only needs a multi-function wrist-instrument copy reading module in principle in the utility model.
Multi-function wrist-instrument copy reading module 5 of the present utility model has two-way 485 ports, referring to Fig. 2.
This utility model copy reading is automatically shown data with storage platform district's table of merit rating data and platform district resident, and is stored in the concentrator, mainly carries out concentrator 3 storage computation and analysis result for the calculating of the low district's line loss of presenting a theatrical performance as the last item on a programme with analysis in concentrator 3.
The concrete implementation result of the utility model:
Railway platform district with numbering 03X578 is an example, and this distinguishes the low district's line loss of presenting a theatrical performance as the last item on a programme in May, 2010, referring to Fig. 3.
From the data of system-computed, this district's line loss maximum line loss in this period is 8.4%, occurs in May 12; Minimum is 6.67%, occurs in May 22; About average out to 7.5%, these data are consistent with on-the-spot artificial calculating, and following table is this month line loss data sheet.
Obviously, above-mentioned example of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that the technical solution of the utility model extends out or change still are in protection domain of the present utility model.
Claims (2)
1. one kind is hanged down the district loss check and analysis system of presenting a theatrical performance as the last item on a programme, it is characterized in that: comprise electric supply meter, concentrator, table of merit rating, multi-function wrist-instrument copy reading module, supply transformer, electricity consumption central server, multi-function wrist-instrument copy reading module is installed between table of merit rating and concentrator, multi-function wrist-instrument copy reading module is by the concentrator power supply that is connected, between supply transformer and multi-function wrist-instrument copy reading module, table of merit rating is installed, supply transformer also is connected with concentrator, the electricity consumption central server is connected with supply transformer, and concentrator is connected with electric supply meter.
2. a kind of low district loss check and analysis system of presenting a theatrical performance as the last item on a programme as claimed in claim 1, it is characterized in that: described multi-function wrist-instrument copy reading module is made up of RS-232 interface, 485 interfaces, data processing unit, data storage cell, standby power supply, wherein, data processing unit is connected with data storage cell, standby power supply, and RS-232 interface, 485 interfaces are connected with data processing unit, data storage cell by bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020566770XU CN201837675U (en) | 2010-10-19 | 2010-10-19 | Detection and analysis system for losses of low-voltage platform area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020566770XU CN201837675U (en) | 2010-10-19 | 2010-10-19 | Detection and analysis system for losses of low-voltage platform area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201837675U true CN201837675U (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020566770XU Expired - Fee Related CN201837675U (en) | 2010-10-19 | 2010-10-19 | Detection and analysis system for losses of low-voltage platform area |
Country Status (1)
| Country | Link |
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| CN (1) | CN201837675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495315A (en) * | 2011-12-08 | 2012-06-13 | 重庆市电力公司电力科学研究院 | Method and system for split-phase line loss measurement |
-
2010
- 2010-10-19 CN CN201020566770XU patent/CN201837675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495315A (en) * | 2011-12-08 | 2012-06-13 | 重庆市电力公司电力科学研究院 | Method and system for split-phase line loss measurement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20131019 |