CN102931657A - Measuring and calculating device for line loss of power distribution network - Google Patents

Measuring and calculating device for line loss of power distribution network Download PDF

Info

Publication number
CN102931657A
CN102931657A CN2012104589478A CN201210458947A CN102931657A CN 102931657 A CN102931657 A CN 102931657A CN 2012104589478 A CN2012104589478 A CN 2012104589478A CN 201210458947 A CN201210458947 A CN 201210458947A CN 102931657 A CN102931657 A CN 102931657A
Authority
CN
China
Prior art keywords
line loss
distribution network
embedded microprocessor
concentrator
network system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012104589478A
Other languages
Chinese (zh)
Inventor
陆阳
高补林
叶巍峰
杨伟炳
陈涛
葛昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuyao power supply bureau
State Grid Corp of China SGCC
Original Assignee
Yuyao power supply bureau
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yuyao power supply bureau, State Grid Corp of China SGCC filed Critical Yuyao power supply bureau
Priority to CN2012104589478A priority Critical patent/CN102931657A/en
Publication of CN102931657A publication Critical patent/CN102931657A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7838
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

Abstract

The embodiment of the invention provides a measuring and calculating device for line loss of a power distribution network. The measuring and calculating device comprises a line loss acquiring device and a line loss centralizer connected with the line loss acquiring device, wherein the line loss acquiring device is positioned at the tail end of a power distribution chamber; an electric meter of the power distribution chamber accesses to the line loss acquiring device; the line loss centralizer comprises an embedded microprocessor, a synchronous dynamic random memory, Nand Flash, a cross acquisition and carrier channel module, a power supply and a real-time clock; the synchronous dynamic random memory, the Nand Flash, the cross acquisition and carrier channel module, the power supply and the real-time clock are respectively connected with the embedded microprocessor; and the power supply is connected with the real-time clock. Compared with software calculation, a hardware device has greater advantages in accuracy and portability of calculation. In addition, the hardware device can also realize quick deployment. The embodiment of the invention provides the measuring and calculating device for the line loss of the power distribution network; and the problems of low calculation accuracy and poorer portability in the calculation by using software can be solved.

Description

A kind of Line Loss of Distribution Network System measuring and calculating device
Technical field
The present invention relates to line loss measuring and calculating technical field, relate in particular a kind of Line Loss of Distribution Network System measuring and calculating device.
Background technology
In the power transmission and distribution process, the transmission of electric energy and the conversion of electromagnetic energy all realize by electric current.Electric current can produce loss during by wire, and in the transmission network of electric power a large amount of transformers is arranged, the equipment such as switch, instrument, these equipment also can consume certain energy, and are general, and the energy loss in the power system power supply process is called line loss.At present, energy-saving and cost-reducing research, line loss dividing potential drop statistics, line loss are added up to the family, power industry to line loss fine-grained management have higher requirement.
The mode that the line loss of existing 400V power distribution network relies on software to calculate is calculated, and calculates by the mode of software, and the accuracy of calculating is not high, and the mode portability that software calculates is relatively poor.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of Line Loss of Distribution Network System measuring and calculating device, calculates the not high and portable relatively poor problem of the accuracy of calculating by the mode of software to solve.
A kind of Line Loss of Distribution Network System measuring and calculating device is characterized in that, comprises line loss collector and the line loss concentrator that is connected with described line loss collector;
Described line loss collector is positioned at the power station area end, and the ammeter of described power station area accesses described line loss collector;
Described line loss concentrator comprises embedded microprocessor, synchronous DRAM, Nand Flash, hands over and adopt and the carrier channel module, power supply and real-time clock, described synchronous DRAM, described Nand Flash, described friendship is adopted and carrier channel module, described power supply and described real-time clock all are connected with described embedded microprocessor, and wherein said power supply is connected with described real-time clock.
Preferably, the Line Loss of Distribution Network System measuring and calculating device above-mentioned also comprises dot matrix LCD, and described dot matrix LCD is connected with described embedded microprocessor.
Preferably, the Line Loss of Distribution Network System measuring and calculating device above-mentioned also comprises 6 key boards, and described 6 key boards are connected with described embedded microprocessor.
Preferably, the Line Loss of Distribution Network System measuring and calculating device above-mentioned also comprises the usb data interface, and described usb data interface is connected with described embedded microprocessor.
Preferably, the Line Loss of Distribution Network System measuring and calculating device above-mentioned also comprises wireless module, and described wireless module is connected with described embedded microprocessor.
Preferably, the Line Loss of Distribution Network System measuring and calculating device above-mentioned also comprises debug serial port, and described debug serial port is connected with described embedded microprocessor.
Preferably, at above-mentioned Line Loss of Distribution Network System measuring and calculating device, described embedded microprocessor is 32 embedded microprocessors.
Preferably, at above-mentioned Line Loss of Distribution Network System measuring and calculating device, described embedded microprocessor is 64 embedded microprocessors.
Technique scheme has following beneficial effect:
Hardware unit calculates in the accuracy of calculating with software and compares with convenience, hardware unit has larger advantage, in addition, hardware unit can also be realized rapid deployment, the embodiment of the invention provides a kind of Line Loss of Distribution Network System measuring and calculating device, can solve by the mode of software and calculate, the not high and portable relatively poor problem of the accuracy of calculating.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments of the invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
The Line Loss of Distribution Network System that Fig. 1 provides for the embodiment of the invention is calculated a kind of structural representation of device;
A kind of structural representation of the line loss concentrator that Fig. 2 provides for the embodiment of the invention;
Another structural representation of the line loss concentrator that Fig. 3 provides for the embodiment of the invention;
Another structural representation of the line loss concentrator that Fig. 4 provides for the embodiment of the invention;
Another structural representation of the line loss concentrator that Fig. 5 provides for the embodiment of the invention;
Another structural representation of the line loss concentrator that Fig. 6 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
With reference to shown in Figure 1, the invention provides a kind of Line Loss of Distribution Network System measuring and calculating device, comprise line loss collector 200 and the line loss concentrator 100 that is connected with line loss collector 200;
Line loss collector 200 is positioned at the power station area end, and the ammeter access line of power station area decreases collector 200;
Line loss concentrator 100 comprises embedded microprocessor 101, synchronous DRAM 102, Nand Flash 103, hands over and adopt and carrier channel module 104 power supply 105 and real-time clock 106;
Wherein, synchronous DRAM 102, Nand Flash 103, friendship is adopted and carrier channel module 104, power supply 105 and real-time clock 106 all are connected with embedded microprocessor 101, and wherein power supply 105 is connected with real-time clock 106.
Line loss collector 200 is positioned at the power station area end, reads the ammeter that gathers the user by 485 interfaces, and the information of collection comprises: the meritorious degree of opinion of copying of user's table address, electric current, power factor, voltage and calculating voltage angle of loss, electric energy meter.
Line loss concentrator 100 is take multifunction chip as core, system is a SoC(System on Chip, be called system level chip), this integrated chip carrier communication direct sequence spread spectrum unit, function with real-time demonstration distribution transforming parameter, parameter comprise electric current, voltage, meritorious, idle etc. at least, and carrier communication direct sequence spread spectrum unit also has functions such as freezing day crucial electric parameter storage, and can in conjunction with transformer parameter computation and measurement transformer copper loss, iron loss, weigh economical operation.Embedded microprocessor is that data processing device, the embedded microprocessor of line loss concentrator is the core of line loss concentrator, it adopts industrial rank high speed monolithic processor, mainly carry out data computing, collection and to the control of peripheral components, 32 embedded microprocessors can be, also 64 embedded microprocessors can be.Synchronous DRAM and Nand Flash are the data storage of line loss concentrator and the device of interim storage, the capacity of synchronous DRAM and Nand Flash is larger, guaranteed hardware resource required when the line loss concentrator moves complicated process, display interface and succinct button are fit to the conventional man-machine interaction work of industry spot.Friendship is adopted and the carrier channel module is connected with CT with each phase voltage of power distribution network by binding post, and realization is connected with power distribution network.This friendship adopt and the carrier channel module in integrated the friendship adopt chip and carrier chip, friendship is adopted chip and can be gathered signals such as the three-phase voltage of power distribution network, electric currents, namely gather based on alternating current, can adopt the AD77 series of ADI company, CS546X series etc., the present embodiment do not limit the concrete model that chip and carrier chip are adopted in friendship; Signal condition and ALT-CH alternate channel that carrier chip mainly provides alternating-current parameter to gather also are the passages of externally fed simultaneously, the more important thing is the passage of carrier communication, can adopt the realization power line carrier communication functions such as PL21 is serial, PL32 is serial.Wherein, power supply is connected with real-time clock, and the power acquisition three phase supply can not cause outage because of phase shortage, bears the function of the back-up source that real-time clock is provided yet, even the external power source power down, clock circuit also has back-up source and works on.
Line loss concentrator 100 adopts the power carrier mode downwards, when initially restoring electricity or receiving artificial starting order, the mode of power line carrier, PLC is set up the corresponding relation of line loss collector 200 and line loss concentrator 100, this period of setting up corresponding relation is called registration phase, the signal of this carrier communication can not pass to the high-pressure side of transformer, and succeeding in registration sends instructions under rear changes the real-time data collection mode over to line loss collector 200.After 200 data acquisitions of line loss collector, to be stored in first in the local internal memory, then pass through power-line carrier communication, with line loss collector 200 transfer of data to line loss concentrator 100, carry out highdensity localized mass data operational analysis by line loss concentrator 100 in conjunction with both sides' data, and according to power distribution network substitutional resistance new calculation method, obtain the technical loss in platform district, and then solved the large problem of the theoretical amount of calculation of line loss.
Line loss concentrator in this device can be combined with software construction system, also can independent operating, separately power station area is measured.During independent operating, can be by client's actual conditions, there is direct-on-line to decrease on the concentrator various ways such as native's part work and part study is got, wirelessly read, notebook computer reads.
Hardware unit calculates in the accuracy of calculating with software and compares with convenience, hardware unit has larger advantage, in addition, hardware unit can also be realized rapid deployment, the embodiment of the invention provides a kind of line loss concentrator, can solve by the mode of software and calculate, the not high and portable relatively poor problem of the accuracy of calculating.
With reference to shown in Figure 2, in above-mentioned line loss concentrator, can also comprise dot matrix LCD 107, dot matrix LCD is connected with embedded microprocessor.
Dot matrix LCD module is LCDs, is used for providing local operation and data to show.The user can be according to this dot matrix LCD module input parameter, and after the line loss concentrator was finished calculating to line loss, this dot matrix LCD module line loss value showed.
With reference to shown in Figure 3, in above-mentioned line loss concentrator, comprise that also 6 key boards, 108,6 key boards are connected with embedded microprocessor.
6 key boards are local inputs, check input parameter, and the operation push-button that the line loss concentrator is carried out button operation, modification, and the user also can be according to 6 key board input parameters, and the line loss concentrator is carried out button operation.
With reference to shown in Figure 4, in above-mentioned line loss concentrator, also comprise usb data interface 109, the usb data interface is connected with embedded microprocessor.
The local usb data interface that the line loss concentrator is reserved, convenient in the local storage of jumbo data extensibility, and the real time record of field data.
With reference to shown in Figure 5, in above-mentioned line loss concentrator, also comprise wireless module 110, wireless module is connected with embedded microprocessor.
The line loss concentrator by wireless module with the transfer of data of current acquisition to background server, make background server obtain above-mentioned data and calculate accordingly.
With reference to shown in Figure 6, in above-mentioned line loss concentrator, also comprise debug serial port 111, debug serial port is connected with embedded microprocessor.
The local debug serial port that the line loss concentrator is reserved is beneficial to field adjustable and program updates work, maintains easily.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (8)

1. a Line Loss of Distribution Network System measuring and calculating device is characterized in that, comprises line loss collector and the line loss concentrator that is connected with described line loss collector;
Described line loss collector is positioned at the power station area end, and the ammeter of described power station area accesses described line loss collector;
Described line loss concentrator comprises embedded microprocessor, synchronous DRAM, Nand Flash, hands over and adopt and the carrier channel module, power supply and real-time clock, described synchronous DRAM, described Nand Flash, described friendship is adopted and carrier channel module, described power supply and described real-time clock all are connected with described embedded microprocessor, and wherein said power supply is connected with described real-time clock.
2. Line Loss of Distribution Network System measuring and calculating device according to claim 1 is characterized in that, described line loss concentrator also comprises dot matrix LCD, and described dot matrix LCD is connected with described embedded microprocessor.
3. Line Loss of Distribution Network System measuring and calculating device according to claim 1 is characterized in that, described line loss concentrator also comprises 6 key boards, and described 6 key boards are connected with described embedded microprocessor.
4. Line Loss of Distribution Network System measuring and calculating device according to claim 1 is characterized in that, described line loss concentrator also comprises the usb data interface, and described usb data interface is connected with described embedded microprocessor.
5. Line Loss of Distribution Network System measuring and calculating device according to claim 1 is characterized in that, described line loss concentrator also comprises wireless module, and described wireless module is connected with described embedded microprocessor.
6. Line Loss of Distribution Network System measuring and calculating device according to claim 1 is characterized in that, described line loss concentrator also comprises debug serial port, and described debug serial port is connected with described embedded microprocessor.
7. the described Line Loss of Distribution Network System measuring and calculating of any one device is characterized in that according to claim 1-6, and described embedded microprocessor is 32 embedded microprocessors.
8. the described Line Loss of Distribution Network System measuring and calculating of any one device is characterized in that according to claim 1-6, and described embedded microprocessor is 64 embedded microprocessors.
CN2012104589478A 2012-11-14 2012-11-14 Measuring and calculating device for line loss of power distribution network Pending CN102931657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012104589478A CN102931657A (en) 2012-11-14 2012-11-14 Measuring and calculating device for line loss of power distribution network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012104589478A CN102931657A (en) 2012-11-14 2012-11-14 Measuring and calculating device for line loss of power distribution network

Publications (1)

Publication Number Publication Date
CN102931657A true CN102931657A (en) 2013-02-13

Family

ID=47646397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012104589478A Pending CN102931657A (en) 2012-11-14 2012-11-14 Measuring and calculating device for line loss of power distribution network

Country Status (1)

Country Link
CN (1) CN102931657A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104732108A (en) * 2015-04-09 2015-06-24 国家电网公司 Line loss computation method, device and line loss calculator
CN107576875A (en) * 2017-10-27 2018-01-12 国网江苏省电力公司南通供电公司 A kind of portable line loss comprehensive analysis device
CN107831385A (en) * 2017-10-27 2018-03-23 国网江苏省电力公司南通供电公司 A kind of structure of portable line loss comprehensive analysis device
CN109613379A (en) * 2019-01-17 2019-04-12 南京绿电智能科技有限公司 A kind of line loss modular device
CN109782060A (en) * 2018-12-25 2019-05-21 国网湖南省电力有限公司 A kind of lean line loss analysis system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003194863A (en) * 2001-12-03 2003-07-09 Univ Nihon Power swing detecting method and device for electric power system
CN202486224U (en) * 2011-12-05 2012-10-10 兰才进 Line loss measuring and calculating device of power distribution network
CN202906466U (en) * 2012-11-14 2013-04-24 余姚市供电局 Measuring and calculating device for line loss of power distribution network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003194863A (en) * 2001-12-03 2003-07-09 Univ Nihon Power swing detecting method and device for electric power system
CN202486224U (en) * 2011-12-05 2012-10-10 兰才进 Line loss measuring and calculating device of power distribution network
CN202906466U (en) * 2012-11-14 2013-04-24 余姚市供电局 Measuring and calculating device for line loss of power distribution network

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104732108A (en) * 2015-04-09 2015-06-24 国家电网公司 Line loss computation method, device and line loss calculator
CN107576875A (en) * 2017-10-27 2018-01-12 国网江苏省电力公司南通供电公司 A kind of portable line loss comprehensive analysis device
CN107831385A (en) * 2017-10-27 2018-03-23 国网江苏省电力公司南通供电公司 A kind of structure of portable line loss comprehensive analysis device
CN109782060A (en) * 2018-12-25 2019-05-21 国网湖南省电力有限公司 A kind of lean line loss analysis system
CN109782060B (en) * 2018-12-25 2021-09-21 国网湖南省电力有限公司 Lean line loss analysis system
CN109613379A (en) * 2019-01-17 2019-04-12 南京绿电智能科技有限公司 A kind of line loss modular device

Similar Documents

Publication Publication Date Title
CN202486224U (en) Line loss measuring and calculating device of power distribution network
CN102931657A (en) Measuring and calculating device for line loss of power distribution network
CN201886078U (en) Acquisition device of multi-loop electric energy data
CN105242087A (en) Distributed power generation and grid connection metering device
CN201607484U (en) Household electricity consumption monitoring apparatus
CN202906466U (en) Measuring and calculating device for line loss of power distribution network
CN102148535A (en) Intelligent instrument for managing household power utilization
CN105301449A (en) Portable line loss measuring and calculating apparatus for power distribution network
CN201594099U (en) Multifunctional electric energy meter
CN202886515U (en) Line loss concentrator
CN102928721A (en) Line loss concentrator
CN205749728U (en) Quality of power supply acquisition terminal
CN203929932U (en) A kind of transformer capacity tester based on ATT7022B
CN203929939U (en) Platform district identifier
CN103033662B (en) Reactive compensation quantization recorder and quantization method thereof
CN208109927U (en) A kind of electrical equipment malfunction data logging plant
CN202977897U (en) Energy-saving metering socket
CN105206018A (en) Automatic meter reading system based on GSM network
CN203054113U (en) Line loss concentrator
CN202939219U (en) Multichannel intelligent electric quantity module
CN102004185A (en) Three-phase intelligent energy meter
CN203149005U (en) Reactive compensation quantization recorder
CN107728067A (en) A kind of terminal power measuring method and system
CN103063952A (en) Line loss concentrator
CN205139214U (en) Distributed metering device that is incorporated into power networks that generates electricity

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20130213