CN105116190A - Novel high-voltage user electricity stealing preventing system - Google Patents

Novel high-voltage user electricity stealing preventing system Download PDF

Info

Publication number
CN105116190A
CN105116190A CN201510399317.1A CN201510399317A CN105116190A CN 105116190 A CN105116190 A CN 105116190A CN 201510399317 A CN201510399317 A CN 201510399317A CN 105116190 A CN105116190 A CN 105116190A
Authority
CN
China
Prior art keywords
cosф
circuit
voltage
power
phase
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
CN201510399317.1A
Other languages
Chinese (zh)
Inventor
王双成
王双文
王胜军
初荣玲
王德臣
王茂志
王景春
刘杰
初荣君
王超
王海涛
赵敏
董小琦
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201510399317.1A priority Critical patent/CN105116190A/en
Publication of CN105116190A publication Critical patent/CN105116190A/en
Pending legal-status Critical Current

Links

Classifications

    • Y02B60/50—

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to the technical field of electric power monitoring equipment, specifically to a novel high-voltage user electricity stealing preventing system. The novel high-voltage user electricity stealing preventing system is characterized in that a first data processing circuit and a second data processing circuit for processing data uploaded by ammeters, a calculating module comparing the processing results of the first data processing circuit and the second data processing circuit, and a result outputting unit which outputs monitoring result according to the comparison result are arranged in a host computer. A wireless power information gatherer comprises a voltage transformer, a current transformer, a microprocessor and a wireless communication module, wherein the voltage transformer is parallelly connected on a high-voltage power line, the current transformer is serially connected on the high-voltage power line, and the results acquired by the voltage transformer and the current transformer are respectively uploaded to the host computer through the wireless communication module. Compared with the prior art, the novel high-voltage user electricity stealing preventing system is reasonable in structure and convenient for assembling and can effectively monitor and check power consumption of users and gives off alarm when abnormity occurs.

Description

Novel high-pressure electricity user electricity anti-stealing system
Technical field
The present invention relates to energy monitoring apparatus technical field, specifically a kind of rational in infrastructure, be convenient to assembling, effectively can complete the monitoring to user power utilization situation, check, the novel high-pressure of abnormal alarm electricity user electricity anti-stealing system.
Background technology
Because electricity consumer uses in the process of electric power, in electricity consumer stealing, when measuring abnormal and archives mistake, there will be metering electricity and the actual situation that power consumption is not inconsistent, cause the rising of circuit line loss, make state-owned benefit damage.Current, the means mainly taked are hauling type investigation methods, check from door to door, seal up, this method time and effort consuming, and cannot locate electricity consumer in time, cause the loss of electric energy to measuring apparatus.
Present social environment is in transformation process, and a large amount of stateowned enterprises becomes the private enterprise by the transformation of the way, and Interest Orientation there occurs great changes.HXGN and the PGL cabinet type of the employing open type that the switchgear building high-voltage board of electricity consumer and low-voltage cabinet have, both dangerous, also cannot ensure the safety of electricity sales amount.Present intelligent grid grows shaping, electricity power enterprise can be promoted, between power supply enterprise and client, the multi-directional intelligent of flow of power, Business Stream, information flow is interactive, better promotion realizes most optimum distribution of resources around electrical network, for customers with secure is reliable, the electric service of clean environment firendly, quickness and high efficiency, intelligent interaction, also comprise sale of electricity company intelligence and find electricity abnormal user, for electricity consumer provides quality supply service.
Summary of the invention
The present invention is directed to the shortcoming and defect existed in prior art, propose a kind of rational in infrastructure, be convenient to assembling, effectively can complete the monitoring to user power utilization situation, check, the novel high-pressure electricity user electricity anti-stealing system of abnormal alarm.
The present invention can be reached by following measures:
A kind of novel high-pressure electricity user electricity anti-stealing system, comprise the wireless power information acquisition device for gathering user power utilization data, for the ammeter of recording user power consumption and host computer, wherein the data upload that gathers of wireless power information acquisition device is to host computer, the data upload gathered for the ammeter of recording user power consumption, to host computer, is characterized in that
The first data processing circuit that in described host computer, the data be provided with for uploading wireless power information acquisition device process, for ammeter uploading data is processed the second data processing circuit, for the result of the first data processing circuit and the second data processing circuit is compared computing module, be used for according to comparative result output monitoring result result output unit;
Described wireless power information acquisition device comprises voltage transformer (VT), current transformer, microprocessor, wireless communication module, wherein voltage transformer (VT) is connected in parallel on high voltage transmission line, current transformer is connected on high voltage transmission line, and the result of voltage transformer (VT), current transformer collection is uploaded to host computer respectively through wireless communication module.
Wireless communication module in wireless power information acquisition device of the present invention adopts bluetooth communication or adopts GPRS wireless communication module, described radio communication circuit is made up of following components and parts: power information acquisition module (voltage, electric current, power factor information), encode information module, GPRS transmission module.
The first data processing circuit processed for the data (comprising voltage, electric current, power factor, time) uploaded wireless power information acquisition device in the present invention, to the data analysis received, calculates according to following formula, obtains the actual electricity consumption of userthe power produced:
P=U ABI AcosФ a+U cBI ccosФ c；
In above-mentioned formula, P refers to the instantaneous power consumed in circuit, U aB,u cBrefer to the line voltage (being generally 10kV, 35kV, 110kV) of primary side in circuit, I a, I crefer to the electric current of A phase c phase primary side in circuit, cos Ф a, cos Ф crefer to A phase c phase primary side power factor (being generally between 0.5-0.99) in circuit;
At the electricity of T time internal consumption be:
W1=P·T；
The electricity of ammeter metering w2whether accurately data in T time by obtaining with ammeter collection, can obtain measuring result by comparing W1 and W2.
The present invention is according to different feed circuit, the first data processing circuit 4 processed for the data (comprising voltage, electric current, power factor, time) uploaded wireless power information acquisition device 1 is to the data analysis received, calculate according to following formula, obtain the actual electricity consumption of userthe power produced, wherein:
(1) in three-phase and four-line symmetric circuit, power expression is:
P 34=U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=3UIcosФ
If there is the situation of opening a way in foregoing circuit in a phase metering circuit, such as A phase voltage breaks down, then power expression becomes:
P 24=0·I AcosФ a+U BI bcosФ b+U cI ccosФ c=2UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 24）/P 34=33%
If there is the situation of opening a way in foregoing circuit in two-phase flow measurement circuit, such as A, B phase voltage breaks down, then power expression becomes:
P 14=0·I AcosФ a+0·I bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
If there is the situation of electric current reversal connection in foregoing circuit in a phase metering circuit, such as there is reversal connection in A phase current, then power expression becomes:
P 14=-U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
(2) in phase three-wire three symmetric circuit, power expression is:
P 33=U ABI AcosФ a+U cBI ccosФ c
Such as, if there is the situation of opening a way in a phase metering circuit in foregoing circuit, U aBvoltage breaks down, then power expression becomes:
P 13=0·I AcosФ a+U cBI ccosФ c=U cBI ccosФ c
Few quantity calculation (the ideally U now occurred cBi ccos Ф cwith U aBi acos Ф aequal):
Δ 1=（P 33-P 13）/P 33=50%
Found by above-mentioned analysis, in most of the cases, the electricity that electric energy meter is counted less fluctuates between 33%-66%.
For carrying out taxonomic revision according to the result output circuit of comparative result output monitoring result to data in host computer of the present invention, the rationality of analysis part to result is analyzed, because the error that fault causes often 33%, 50%, the stationary digital such as 66%, so have measurement problem at the electricity consumer of this error range.
The present invention can realize following functions: current line transformer client ordered series of numbers table, thus see the circuit client Verbose Listing needing to patrol and examine, be convenient to there is a preliminary understanding to current supply line, and Verbose Listing is carried out to the electricity charge of electricity consumer, direct vision electricity fluctuation situation; Obtaining reference voltage current values, by reading the primary voltage current data that minicomputer stores, converting the form of needs to, calculate for next step; Carry out coulometric analysis comparison, the data that the 2nd step obtains are compared through specific formulae discovery and existing power information acquisition terminal, chooses abnormal detailed; At full line inspection function is provided, night routing inspection is carried out to whole circuits in certain district.
The present invention compared with prior art, has following outstanding advantages: core component (voltage transformer (VT), current transformer, gprs system, PC terminal) all adopts mature technology manufacture, cheap, is convenient to promote; Employ advanced benchmark algorithm, various fault all can find, as meter voltage open circuit, and gauging table defluidization, voltage transformer (VT) is opened a way, and current transformer is opened a way, current transformer reversal connection, and various forms of stealing; For the situation that the longer line loss of circuit is higher, process range can be reduced rapidly, increase work efficiency; As everyone knows, line loss per unit=(delivery-electricity sales amount)/delivery; When metering is broken down, electricity sales amount reduces, and above-mentioned formula molecule increases, and line loss per unit is raised; Adopt native system due to abnormal electricity consumer quantity can be located, position and information, line loss can be reduced rapidly at short notice.
accompanying drawing illustrates:
Accompanying drawing 1 is system architecture diagram of the present invention.
Accompanying drawing 2 is curve maps of ammeter metering user electric power and time, and dash area is the electricity of gauging table metering.
Accompanying drawing 3 is to electricity consumption curve map in accompanying drawing 2 by every data of getting primary voltage and electric current for 10 minutes, according to the electricity (dash area) that the data of gained calculate.
Reference numeral: wireless power information acquisition device 1, ammeter 2, host computer 3, first data processing circuit 4, second data processing circuit 5, computing module 6, result output unit 7, voltage transformer (VT) 8, current transformer 9, microprocessor 10, wireless communication module 11.
embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, the present invention is relative to the shortcoming of prior art and deficiency, propose a kind of novel high-pressure electricity user electricity anti-stealing system, comprise the wireless power information acquisition device 1 for gathering user power utilization data, for the ammeter 2 of recording user power consumption and host computer 3, wherein the data upload that gathers of wireless power information acquisition device 1 is to host computer 3, the data upload gathered for the ammeter 2 of recording user power consumption, to host computer 3, is characterized in that
The first data processing circuit 4 that in described host computer 3, the data be provided with for uploading wireless power information acquisition device 1 process, for ammeter uploading data is processed the second data processing circuit 5, for the result of the first data processing circuit 4 and the second data processing circuit 5 is compared computing module 6, be used for according to comparative result output monitoring result result output unit 7;
Described wireless power information acquisition device 1 comprises voltage transformer (VT) 8, current transformer 9, microprocessor 10, wireless communication module 11, wherein microprocessor 10 is connected with voltage transformer (VT) 8, current transformer 9, wireless communication module 11 respectively, voltage transformer (VT) 8 is connected in parallel on high voltage transmission line, current transformer 9 is connected on high voltage transmission line, and the result that voltage transformer (VT) 8, current transformer 9 gather is uploaded to host computer 3 respectively through wireless communication module 11.
Wireless communication module in wireless power information acquisition device 1 of the present invention adopts bluetooth communication or adopts GPRS wireless communication module, described radio communication circuit is made up of following components and parts: power information acquisition module (voltage, electric current, power factor information), encode information module, GPRS transmission module.
The first data processing circuit 4 processed for the data (comprising voltage, electric current, power factor, time) uploaded wireless power information acquisition device 1 in the present invention, to the data analysis received, calculates according to following formula, obtains the actual electricity consumption of userthe power produced:
P=U ABI AcosФ a+U cBI ccosФ c；
In above-mentioned formula, P refers to the instantaneous power consumed in circuit, U aB,u cBrefer to the line voltage (being generally 10kV, 35kV, 110kV) of primary side in circuit, I a, I crefer to the electric current of A phase c phase primary side in circuit, cos Ф a, cos Ф crefer to A phase c phase primary side power factor (being generally between 0.5-0.99) in circuit;
As shown in Figure 2, time T(1 hour) in, in figure, the area of dash area is electricity W1, is the integration of power P on time T, and in the middle of reality uses, this dash area is exactly the reading on Electric energy meter KWh counter; In the present invention in upper figure example every data of getting primary voltage and electric current for 10 minutes, the electricity calculated according to the data of gained is as shown in Figure 3;
At the electricity of T time internal consumption be:
W1=P·T；
The electricity of ammeter metering w2whether accurately data in T time by obtaining with ammeter collection, can obtain measuring result by comparing W1 and W2.
From upper figure, the area of dash area is substantially suitable with Fig. 2.When voltage and the current data acquisition interval time shorter, the area of Fig. 2 and Fig. 3 two dash areas difference is less.Relatively the shaded area of two parts, can show that whether metering is accurate; Result exports can carry out list output by problematic electricity consumer, and damage work falls in guide line.
The present invention is according to different feed circuit, the first data processing circuit 4 processed for the data (comprising voltage, electric current, power factor, time) uploaded wireless power information acquisition device 1 is to the data analysis received, calculate according to following formula, obtain the actual electricity consumption of userthe power produced, wherein:
(1) in three-phase and four-line symmetric circuit, power expression is:
P 34=U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=3UIcosФ
If there is the situation of opening a way in foregoing circuit in a phase metering circuit, such as A phase voltage breaks down, then power expression becomes:
P 24=0·I AcosФ a+U BI bcosФ b+U cI ccosФ c=2UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 24）/P 34=33%
If there is the situation of opening a way in foregoing circuit in two-phase flow measurement circuit, such as A, B phase voltage breaks down, then power expression becomes:
P 14=0·I AcosФ a+0·I bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
If there is the situation of electric current reversal connection in foregoing circuit in a phase metering circuit, such as there is reversal connection in A phase current, then power expression becomes:
P 14=-U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
(2) in phase three-wire three symmetric circuit, power expression is:
P 33=U ABI AcosФ a+U cBI ccosФ c
Such as, if there is the situation of opening a way in a phase metering circuit in foregoing circuit, U aBvoltage breaks down, then power expression becomes:
P 13=0·I AcosФ a+U cBI ccosФ c=U cBI ccosФ c
Few quantity calculation (the ideally U now occurred cBi ccos Ф cwith U aBi acos Ф aequal):
Δ 1=（P 33-P 13）/P 33=50%
Found by above-mentioned analysis, in most of the cases, the electricity that electric energy meter is counted less fluctuates between 33%-66%.
For carrying out taxonomic revision according to the result output circuit of comparative result output monitoring result to data in host computer 3 of the present invention, the rationality of analysis part to result is analyzed, because the error that fault causes often 33%, 50%, the stationary digital such as 66%, so have measurement problem at the electricity consumer of this error range.
The present invention can realize following functions: current line transformer client ordered series of numbers table, thus see the circuit client Verbose Listing needing to patrol and examine, be convenient to there is a preliminary understanding to current supply line, and Verbose Listing is carried out to the electricity charge of electricity consumer, direct vision electricity fluctuation situation; Obtaining reference voltage current values, by reading the primary voltage current data that minicomputer stores, converting the form of needs to, calculate for next step; Carry out coulometric analysis comparison, the data that the 2nd step obtains are compared through specific formulae discovery and existing power information acquisition terminal, chooses abnormal detailed; At full line inspection function is provided, night routing inspection is carried out to whole circuits in certain district.
The present invention compared with prior art, has following outstanding advantages: core component (voltage transformer (VT), current transformer, gprs system, PC terminal) all adopts mature technology manufacture, cheap, is convenient to promote; Employ advanced benchmark algorithm, various fault all can find, as meter voltage open circuit, and gauging table defluidization, voltage transformer (VT) is opened a way, and current transformer is opened a way, current transformer reversal connection, and various forms of stealing; For the situation that the longer line loss of circuit is higher, process range can be reduced rapidly, increase work efficiency; As everyone knows, line loss per unit=(delivery-electricity sales amount)/delivery; When metering is broken down, electricity sales amount reduces, and above-mentioned formula molecule increases, and line loss per unit is raised; Adopt native system due to abnormal electricity consumer quantity can be located, position and information, line loss can be reduced rapidly at short notice.

Claims (4)

1. a novel high-pressure electricity user electricity anti-stealing system, comprise the wireless power information acquisition device for gathering user power utilization data, for the ammeter of recording user power consumption and host computer, wherein the data upload that gathers of wireless power information acquisition device is to host computer, the data upload gathered for the ammeter of recording user power consumption, to host computer, is characterized in that
The first data processing circuit that in described host computer, the data be provided with for uploading wireless power information acquisition device process, for ammeter uploading data is processed the second data processing circuit, for the result of the first data processing circuit and the second data processing circuit is compared computing module, be used for according to comparative result output monitoring result result output unit;
Described wireless power information acquisition device comprises voltage transformer (VT), current transformer, microprocessor, wireless communication module, wherein voltage transformer (VT) is connected in parallel on high voltage transmission line, current transformer is connected on high voltage transmission line, and the result of voltage transformer (VT), current transformer collection is uploaded to host computer respectively through wireless communication module.
2. a kind of novel high-pressure electricity user electricity anti-stealing system according to claim 1, it is characterized in that the wireless communication module in described wireless power information acquisition device adopts bluetooth communication or adopts GPRS wireless communication module, described radio communication circuit is made up of following components and parts: power information acquisition module, encode information module, GPRS transmission module.
3. a kind of novel high-pressure electricity user electricity anti-stealing system according to claim 1, is characterized in that the first data processing circuit is to the data analysis received, and calculates according to following formula, obtains the power that the actual electricity consumption of user produces:
P=U ABI AcosФ a+U cBI ccosФ c；
In above-mentioned formula, P refers to the instantaneous power consumed in circuit, U aB,u cBrefer to the line voltage (being generally 10kV, 35kV, 110kV) of primary side in circuit, I a, I crefer to the electric current of A phase c phase primary side in circuit, cos Ф a, cos Ф crefer to A phase c phase primary side power factor (being generally between 0.5-0.99) in circuit;
At the electricity of T time internal consumption be:
W1=P·T；
The electricity of ammeter metering w2whether accurately data in T time by obtaining with ammeter collection, can obtain measuring result by comparing W1 and W2.
4. a kind of novel high-pressure electricity user electricity anti-stealing system according to claim 1, is characterized in that the first data processing circuit is to the data analysis received, and calculates according to following formula, obtains the power that the actual electricity consumption of user produces:
(1) in three-phase and four-line symmetric circuit, power expression is:
P 34=U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=3UIcosФ
If there is the situation of opening a way in foregoing circuit in a phase metering circuit, such as A phase voltage breaks down, then power expression becomes:
P 24=0·I AcosФ a+U BI bcosФ b+U cI ccosФ c=2UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 24）/P 34=33%
If there is the situation of opening a way in foregoing circuit in two-phase flow measurement circuit, such as A, B phase voltage breaks down, then power expression becomes:
P 14=0·I AcosФ a+0·I bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
If there is the situation of electric current reversal connection in foregoing circuit in a phase metering circuit, such as there is reversal connection in A phase current, then power expression becomes:
P 14=-U AI AcosФ a+U BI bcosФ b+U cI ccosФ c=UIcosФ
The few quantity calculation now occurred:
Δ 1=（P 34-P 14）/P 34=66%
(2) in phase three-wire three symmetric circuit, power expression is:
P 33=U ABI AcosФ a+U cBI ccosФ c
Such as, if there is the situation of opening a way in a phase metering circuit in foregoing circuit, U aBvoltage breaks down, then power expression becomes:
P 13=0·I AcosФ a+U cBI ccosФ c=U cBI ccosФ c
Few quantity calculation (the ideally U now occurred cBi ccos Ф cwith U aBi acos Ф aequal):
Δ 1=（P 33-P 13）/P 33=50%
Found by above-mentioned analysis, in most of the cases, the electricity that electric energy meter is counted less fluctuates between 33%-66%.
CN201510399317.1A 2015-07-09 2015-07-09 Novel high-voltage user electricity stealing preventing system Pending CN105116190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510399317.1A CN105116190A (en) 2015-07-09 2015-07-09 Novel high-voltage user electricity stealing preventing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510399317.1A CN105116190A (en) 2015-07-09 2015-07-09 Novel high-voltage user electricity stealing preventing system

Publications (1)

Publication Number Publication Date
CN105116190A true CN105116190A (en) 2015-12-02

Family

ID=54664226

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510399317.1A Pending CN105116190A (en) 2015-07-09 2015-07-09 Novel high-voltage user electricity stealing preventing system

Country Status (1)

Country Link
CN (1) CN105116190A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108802488A (en) * 2018-07-26 2018-11-13 广东电网有限责任公司 Line loss fine-grained management device and method
WO2020191663A1 (en) * 2019-03-27 2020-10-01 华北电力大学扬中智能电气研究中心 Method and apparatus for detecting electricity consumption behavior, electronic device and storage medium
CN115436869A (en) * 2021-06-02 2022-12-06 太原市优特奥科电子科技有限公司 Wireless electric sensor, electric parameter measurement calculation device, method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204008785U (en) * 2014-07-23 2014-12-10 深圳市易讯利科技有限公司 Measurement loop fault monitoring system
CN104407189A (en) * 2014-12-02 2015-03-11 国家电网公司 Electricity stealing prevention system and method for distribution transformer
CN204359838U (en) * 2015-01-29 2015-05-27 威胜集团有限公司 Electric power specially becomes large user's electricity anti-theft system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204008785U (en) * 2014-07-23 2014-12-10 深圳市易讯利科技有限公司 Measurement loop fault monitoring system
CN104407189A (en) * 2014-12-02 2015-03-11 国家电网公司 Electricity stealing prevention system and method for distribution transformer
CN204359838U (en) * 2015-01-29 2015-05-27 威胜集团有限公司 Electric power specially becomes large user's electricity anti-theft system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李小佳: "对反窃电技术研究即"零距离"复录***的实现", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 *
白冰: "《三相三线有功电能表错误接线解析》", 29 February 2008 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108802488A (en) * 2018-07-26 2018-11-13 广东电网有限责任公司 Line loss fine-grained management device and method
WO2020191663A1 (en) * 2019-03-27 2020-10-01 华北电力大学扬中智能电气研究中心 Method and apparatus for detecting electricity consumption behavior, electronic device and storage medium
CN115436869A (en) * 2021-06-02 2022-12-06 太原市优特奥科电子科技有限公司 Wireless electric sensor, electric parameter measurement calculation device, method and system
WO2022252664A1 (en) * 2021-06-02 2022-12-08 太原市优特奥科电子科技有限公司 Wireless electrical sensor, and electrical parameter measurement and calculation apparatus, method and system

Similar Documents

Publication Publication Date Title
Zheng et al. Smart meters in smart grid: An overview
Peppanen et al. Leveraging AMI data for distribution system model calibration and situational awareness
CN110907884A (en) Electric energy meter error diagnosis and analysis method based on non-invasive measurement
KR20130140237A (en) Optimal reliability evaluation system of distribution system and the methods
US10585125B2 (en) Devices, systems and methods for data transmission over a communication media using modular connectors
AU2013263083A1 (en) Power monitoring system and method
CN104865549A (en) Reliability evaluation method and system of electric energy metering device
CN105044487A (en) Transformer area line loss abnormity examination system and method
CN105116190A (en) Novel high-voltage user electricity stealing preventing system
CN103353727B (en) In-site comprehensive smart jack based on resistance alloys and RF identification
CN102944741B (en) Abnormal power usage monitoring method based on local power reference
CN104361796B (en) Electric energy metering device simulation training platform
CN109387804B (en) Flexible direct system statistical method and metering device precision detection method and system
CN115236582A (en) Error online evaluation method and device for three-phase four-wire connection electric energy metering device
Stewart et al. Using micro-synchrophasor data for advanced distribution grid planning and operations analysis
CN103761577A (en) Capacitive type device auxiliary decision making system based on risk assessment and condition evaluation
CN105182022A (en) Electric quantity depositing device and method during meter installation, power connection and exchange
CN104635176A (en) Energy efficiency detection method of power adapter and system thereof
CN104464253A (en) Intelligent diagnosis method for field electricity information acquisition equipment
Sahoo Recent trends and advances in power quality
CN105203886A (en) Capacitive type current transformer online detection device and method
CN107367706A (en) System for electronized investigation and analysis electric energy meter are unusual
CN205176158U (en) Electric capacity type current transformer on -line measuring device
Bhakthavathsalam et al. Zigbee based energy monitoring system with e-billing through GSM network
CN207181512U (en) For measuring the circuit structure of PT secondary circuit voltage drops and load

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
DD01 Delivery of document by public notice

Addressee: Wang Shengjun

Document name: Reexamination decision

DD01 Delivery of document by public notice
RJ01 Rejection of invention patent application after publication

Application publication date: 20151202

RJ01 Rejection of invention patent application after publication