CN207851162U - A kind of Line Loss of Distribution Network System measuring and calculating device - Google Patents
A kind of Line Loss of Distribution Network System measuring and calculating device Download PDFInfo
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- CN207851162U CN207851162U CN201721663538.6U CN201721663538U CN207851162U CN 207851162 U CN207851162 U CN 207851162U CN 201721663538 U CN201721663538 U CN 201721663538U CN 207851162 U CN207851162 U CN 207851162U
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Abstract
The utility model provides a kind of Line Loss of Distribution Network System measuring and calculating device, and the measuring and calculating device includes：At least one line loss is mounted on power distribution network end from end, the line loss from end, connects the ammeter of one or more terminal users, the ammeter data for acquiring one or more of terminal users；Line loss main side, mounted on the transformer side of power distribution network the circuit electric parameter data of power distribution network is acquired for setting up cordless communication network from end with each line loss, it is synchronous to receive ammeter data of the line loss from end acquisition, and line loss value is calculated according to the circuit electric parameter data and ammeter data；Field management platform monitors the line loss value for real-time display, and can carry out remote control to the line loss main side.Measuring and calculating device provided by the utility model is by the real-time acquisitions of the data such as electric current, voltage to power distribution network, and by highdensity localization data operation, so that cumbersome theoretical line loss caluclation is become automatic and calculates display, and entire to calculate process simply accurate.
Description
Technical field
The utility model is related to the line losses of distribution technique field more particularly to a kind of power distribution network to calculate device.
Background technology
Energy-saving research that grid company is carried out successively, line loss partial pressure statistics, line loss are counted to family, are refined to line loss
More stringent requirements are proposed for management.Currently, the calculating of distribution net platform region theory wire loss is mainly using the calculating for representing daily load
Method, in annual load measurement day theoretical line loss caluclation, whole process is considerably complicated.In addition, one represent day can not
The distribution network load situation in the whole month or the whole year is represented, this means that the line loss data for representing daily load calculating to whole line loss
Accuracy reaction is inadequate, must need to increase calculating cycle, and in turn increases the complexity of measuring and calculating in this way.In addition, software
Calculating needs the electric network composition structure chart of picture distribution net platform region to obtain standard since the electric network composition of distribution net platform region is intricate
True electric network composition is extremely difficult.Therefore, the work load for mitigating personnel there is an urgent need to the means of employing new technology, makes line loss survey
Calculation process it is simpler with it is accurate.
Utility model content
The purpose of this utility model is that：Complicated for the measuring and calculating process of line loss in the prior art, measured value accuracy is insufficient
And the problem of heavy workload, provide one kind can automatic data collection, and realize localization calculate analysis line loss data distribution
Net wire loss calculates device.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：A kind of Line Loss of Distribution Network System measuring and calculating dress is provided
It sets, the measuring and calculating device includes：
At least one line loss is mounted on power distribution network end from end, the line loss from end, connects one or more terminal users
Ammeter, each line loss is from the acquisition chip that end includes ammeter data for acquiring one or more of terminal users
And the first wireless communication module for establishing wireless communication connection with line loss main side；
Line loss main side, be mounted on power distribution network transformer side, the line loss main side include for each first nothing
Line communication module sets up the second wireless communication module of cordless communication network, and the circuit electric parameter number for acquiring power distribution network
According to friendship adopt chip, the line loss main side synchronizes the ammeter data for receiving line loss from end acquisition by the cordless communication network,
And line loss value is calculated according to the circuit electric parameter data and ammeter data；
Field management platform establishes wireless communication connection with the line loss main side, the line loss is monitored for real-time display
Value, and remote control can be carried out to the line loss main side.
In the above-mentioned measuring and calculating device of the utility model, the line loss main side includes third wireless communication module, the scene
Management platform includes that the 4th wireless communication module of telecommunication is carried out with the third wireless communication module, and the third is wireless
Communication module and the 4th wireless communication module are carried out wireless communication by short message.
In the above-mentioned measuring and calculating device of the utility model, first wireless communication module and second wireless communication module
It restores electricity or the line loss main side receives after manually starting instruction initial, identification, which is matched, mutually simultaneously sets up the channel radio
Communication network；
First wireless communication module is additionally operable to receive the data command that line loss main side is sent from termination in the line loss
Afterwards, the line loss value is sent to second wireless communication module in real time.
In the above-mentioned measuring and calculating device of the utility model, the field management platform further includes Master control chip, and with institute
State the liquid crystal display and input unit of Master control chip electrical connection；
The Master control chip, which is used to receive line loss Value Data to the 4th wireless communication module and sort out, to summarize point
Analysis；
Line loss Value Data result of the liquid crystal display for Master control chip described in real-time display；
The input unit includes keyboard and Genius mouse, for carrying out parameter setting operation to the line loss main side.
In the above-mentioned measuring and calculating device of the utility model, the line loss main side further includes embeded processor, and with insertion
Formula processor interacts synchronous DRAM chip, flash memory circuit, touch display screen and the power supply pipe of electrical connection
Manage unit；
The embeded processor is for carrying out data calculation processing and the control to peripheral components；
The synchronous DRAM chip and flash memory circuit are respectively used to data storage and ephemeral data storage；
The touch display screen is used to provide local input parameter manipulation and data are shown；
The Power Management Unit is for providing backup power supply.
The advantageous effect brought of technical solution that the utility model embodiment provides is：By using line loss main side, line loss
From end and field management platform, the data such as electric current, the voltage of power distribution network are acquired in real time, and pass through highdensity localization
Data operation makes cumbersome theoretical line loss caluclation become simple automatic calculate and shows；Meanwhile the construction of field management platform
Simplify Controlling line loss, intensive, can General Promotion Controlling line loss system, technical system and guarantee system be core line
Damage the ability of management mode.
Description of the drawings
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Fig. 1 is the assembling structure schematic diagram of measuring and calculating device provided by the utility model；
Fig. 2 is the modular construction schematic diagram of line loss main side provided by the utility model；
Fig. 3 is the modular construction schematic diagram of field management platform provided by the utility model.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
As shown in Figure 1, the utility model provides a kind of Line Loss of Distribution Network System measuring and calculating device, the measuring and calculating device includes a line
The damage line loss of main side 100, five from end 200 and the field management platform (not shown) that is communicated wirelessly with line loss main side 100,
Certainly, line loss can be adjusted from the quantity at end according to the actual conditions of power distribution network.
The line loss is mounted on power distribution network end from end 200, connects the ammeter of one or more terminal users, each described
Line loss from the acquisition chip that end 200 includes ammeter data for acquiring one or more of terminal users, and for
The first wireless communication module of wireless communication connection is established in the line loss main side 100；Specifically, collected ammeter data includes
The address of the ammeter of terminal user, the electric current of ammeter, the power factor of ammeter, the voltage of ammeter and the active of ammeter copy degree of opinion.
The line loss main side 100 is mounted on the transformer side of power distribution network, and line loss main side 100 includes for each described the
One wireless communication module sets up the second wireless communication module (referring to Fig. 2) of wireless communication networks, and for acquiring power distribution network
The friendship of circuit electric parameter data adopt chip (referring to Fig. 2), the line loss main side 100 is synchronized by the cordless communication network to be connect
The ammeter data that take-up damage is acquired from end 200, and it is easy according to the circuit electric parameter data, ammeter data and distribution net platform region
It obtains basic parameter and calculates line loss value；
Line loss main side 100 is using the SoC (Systemon for integrating multiple chips such as carrier communication Direct Sequence Spread Spectrum unit
Chip, system on chip), there are all parameters of real-time display distribution transforming.In addition, line loss main side 100 can also combine transformer parameter meter
Calculate measuring transformer copper loss, iron loss.
Further, as shown in Fig. 2, the concrete structure of line loss main side 100 includes embeded processor 110, and with it is embedding
Enter formula processor 110 and interact the friendship of electrical connection to adopt chip 120, the second wireless communication module 130, synchronous dynamic random storage
Device chip (Synchronous Dynamic RandomAccess Memory) 140, flash memory circuit 150, touch display screen 160,
Third wireless communication module 170 and Power Management Unit 180；
Wherein, embeded processor 110 is the nucleus module of line loss main side 100, is used at industrial rank high speed monolithic
Manage device, be substantially carried out data calculation processing, acquisition and the control to peripheral components, can be 32 embeded processors, 64 it is embedding
Enter formula processor etc..
The signals such as three-phase voltage, the electric current of power distribution network can be acquired specifically, handing over and adopting chip 120, that is, be based on handing over
Galvanic electricity is acquired, and the AD77 series of ADI companies, CS546X series etc. may be used；
The device of SDRAM chips 140 and flash memory circuit 150 as the data storage and interim storage of line loss main side 100,
The capacity of SDRAM chips 140 and flash memory circuit 150 is larger, ensure that hardware required when line loss main side 100 runs complicated process
Resource, display interface and succinct button are suitble to the conventional human-computer interaction work of industry spot；
Touch display screen 160 is shown for providing local operation and data；User can pass through the touch display screen 160
Input parameter, after line loss main side 100 completes to the calculating of line loss, touch display screen 160 shows line loss value；
Third wireless communication module 170 is the module of telecommunication, including GPRS and short message.Line loss main side 170 passes through
The line loss value currently obtained can be transferred to field management platform by third wireless module 170, make the work of field management platform
Personnel being capable of the calculated line loss value of quick obtaining；
Power Management Unit 180 uses three phase supply, will not cause to power off because of phase shortage, also takes on and provides real-time clock
The function of backup power supply works on even if having backup power supply if external power supply power down clock circuit.
The course of work of the measuring and calculating device is specific as follows：
Line loss calculate device it is initial restore electricity or be connected to manual start's instruction when, each line loss from end 200 first
Wireless communication module and the second wireless communication module 130 of line loss main side 100 identify one by one matches and sets up cordless communication network,
The stage is known as registration phase, does not carry out data transmission.After registration phase success, the first wireless communication module is in line loss from end
After 200 receive the data command of the transmission of line loss main side 100, the line loss value is sent to the second wireless communication module in real time
130, into the real-time data collection stage, data sampling frequency is once per second, and is required respectively consistent from end time mark；
Since the data volume of acquisition is huge, line loss main side needs the data sended over from end to line loss to realize localization
Processing, is made instantly available theory wire loss value and key parameters, and synchronizes and be saved in and be locally stored.
The calculating of localization operation, which is realized, requires to follow accuracy and the principle of practicability, and computational methods are using the Chinese people
Republic power industry standard DL/T 686-1999《Power network line losses calculate directive/guide》Respective standard, solve line loss
The problem of theoretical calculation heavy workload.
Since line loss main side 100 realizes the real-time calculating of localization, the line loss result data amount provided greatly reduces,
In view of the convenience that line loss data volume and system are built, in the present embodiment, third wireless communication module 170 uses short message mode
Establish the communication connection of line loss main side and field management platform.
Short message is as a kind of information channel, because of characteristics such as its high efficiency, low cost, fast and convenient and safeties, extremely
It is suitable as providing extension, interactive and personalized good service inside electric power.
Field management platform provided by the utility model, can be by reliable on the basis of line loss is from end and line loss main side
Telecommunication mode carries out parameter setting, data receiver and analyzing processing to line loss main side.
Further, field management platform 300 includes Master control chip 310, and be electrically connected with Master control chip 310
4th wireless communication module 320, liquid crystal display 330 and input unit 340；
4th wireless communication module 320 supports short message reception and information decoding function, supports the modification of short message parameter and data
It calls brake together, can carry out wireless communication and connect with the third wireless communication module 170；
Master control chip 310 passes through data pair for carrying out classification Macro or mass analysis to the line loss data that line loss main side is sent
Visual analyzing and application are realized than modes such as, curve displayings, are found the factor for influencing taiwan area line loss per unit, are specified low tension
The drop of net damages direction；
Liquid crystal display 330 is used for the data processed result of real-time display Master control chip 310；
Input unit 340 includes keyboard and Genius mouse, for carrying out parameter setting operation to line loss main side, to ensure each prison
The normal operation of measuring point.
In conclusion Line Loss of Distribution Network System provided in this embodiment calculates device, by using line loss main side, line loss from end and
Field management platform acquires the data such as electric current, the voltage of power distribution network, and is transported by highdensity localization data in real time
It calculates, so that cumbersome theoretical line loss caluclation is become simple automatic calculate and show；Meanwhile the construction of field management platform makes line loss
Management simplify, it is intensive, can General Promotion Controlling line loss system, technical system and guarantee system be core Controlling line loss
The ability of pattern.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Right within.
Claims (5)
1. a kind of Line Loss of Distribution Network System calculates device, which is characterized in that the measuring and calculating device includes：
At least one line loss is mounted on power distribution network end from end, the line loss from end, connects the electricity of one or more terminal users
Table, each line loss from end include ammeter data for acquiring one or more of terminal users acquisition chip and
The first wireless communication module for establishing wireless communication connection with line loss main side；
Line loss main side, be mounted on power distribution network transformer side, the line loss main side include for each first channel radio
Interrogate the second wireless communication module that module sets up cordless communication network, and the circuit electric parameter data for acquiring power distribution network
Chip is adopted in friendship, and the line loss main side synchronizes the ammeter data for receiving line loss from end acquisition, and root by the cordless communication network
Line loss value is calculated according to the circuit electric parameter data and ammeter data；
Field management platform is wirelessly communicated with the line loss main side and is connected, and monitors the line loss value for real-time display, and can be right
The line loss main side carries out remote control.
2. measuring and calculating device according to claim 1, which is characterized in that the line loss main side includes third wireless telecommunications mould
Block, the field management platform include the 4th wireless communication module that telecommunication is carried out with the third wireless communication module,
The third wireless communication module and the 4th wireless communication module are carried out wireless communication by short message.
3. measuring and calculating device according to claim 1, which is characterized in that first wireless communication module and second nothing
Line communication module restores electricity or the line loss main side receives after manually starting instruction initial, and identification, which is matched, mutually simultaneously sets up
Cordless communication network；
First wireless communication module is additionally operable in the line loss after the data command that termination receives that line loss main side is sent, will
The line loss value is sent to second wireless communication module in real time.
4. measuring and calculating device according to claim 2, which is characterized in that the field management platform further includes master control coremaking
Piece, and the liquid crystal display and input unit that are electrically connected with the Master control chip；
The Master control chip, which is used to receive line loss Value Data to the 4th wireless communication module, carries out classification Macro or mass analysis；
Line loss Value Data result of the liquid crystal display for Master control chip described in real-time display；
The input unit includes keyboard and Genius mouse, for carrying out parameter setting operation to the line loss main side.
5. measuring and calculating device according to claim 1, which is characterized in that the line loss main side further includes embeded processor,
And the synchronous DRAM chip, flash memory circuit, touch display screen being electrically connected are interacted with embeded processor
And Power Management Unit；
The embeded processor is for carrying out data calculation processing, acquisition and the control to peripheral components；
The synchronous DRAM chip and flash memory circuit are respectively used to data storage and ephemeral data storage；
The touch display screen is used to provide local input parameter manipulation and data are shown；
The Power Management Unit is for providing backup power supply.
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| CN201721663538.6U CN207851162U (en) | 2017-12-04 | 2017-12-04 | A kind of Line Loss of Distribution Network System measuring and calculating device |
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| CN201721663538.6U CN207851162U (en) | 2017-12-04 | 2017-12-04 | A kind of Line Loss of Distribution Network System measuring and calculating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133378A (en) * | 2019-05-16 | 2019-08-16 | 上海道口材料科技有限公司 | The direct current comprehensive transmission loss appraisal procedure and system of Oriented Green assets assessment |
| CN110780114A (en) * | 2019-11-01 | 2020-02-11 | 国网重庆市电力公司电力科学研究院 | Transformer area theoretical line loss analysis method and readable storage medium |
| CN111796230A (en) * | 2019-04-09 | 2020-10-20 | 云南电网有限责任公司瑞丽供电局 | Power distribution network line loss checking method and system |
| CN112821386A (en) * | 2021-01-07 | 2021-05-18 | 华翔翔能科技股份有限公司 | Urban distribution network line loss measuring and calculating system |
-
2017
- 2017-12-04 CN CN201721663538.6U patent/CN207851162U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111796230A (en) * | 2019-04-09 | 2020-10-20 | 云南电网有限责任公司瑞丽供电局 | Power distribution network line loss checking method and system |
| CN110133378A (en) * | 2019-05-16 | 2019-08-16 | 上海道口材料科技有限公司 | The direct current comprehensive transmission loss appraisal procedure and system of Oriented Green assets assessment |
| CN110780114A (en) * | 2019-11-01 | 2020-02-11 | 国网重庆市电力公司电力科学研究院 | Transformer area theoretical line loss analysis method and readable storage medium |
| CN112821386A (en) * | 2021-01-07 | 2021-05-18 | 华翔翔能科技股份有限公司 | Urban distribution network line loss measuring and calculating system |
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