CN201717671U - Automatic control system preventing electric leakage, fire and harmonic pollution - Google Patents
Automatic control system preventing electric leakage, fire and harmonic pollution Download PDFInfo
- Publication number
- CN201717671U CN201717671U CN2010201969363U CN201020196936U CN201717671U CN 201717671 U CN201717671 U CN 201717671U CN 2010201969363 U CN2010201969363 U CN 2010201969363U CN 201020196936 U CN201020196936 U CN 201020196936U CN 201717671 U CN201717671 U CN 201717671U
- Authority
- CN
- China
- Prior art keywords
- main website
- energy meter
- power
- substation
- data
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an automatic control system which can prevent electric leakage, fire and harmonic pollution. The automatic control system comprises a master station, a substation and a customer terminal; and an equipment safety monitoring instrument is additionally mounted at the substation; and an equipment safety monitoring instrument, an intelligent power measuring and controlling instrument, a carrier electrical energy meter, and a multifunctional electrical energy meter with a harmonic monitoring function are additionally mounted at the customer terminal. The automatic control system monitors electric leakage through the equipment safety monitoring instrument, and monitors harmonic components through the multifunctional electrical energy meter with the harmonic monitoring function on the basis of a GIS (geographic information system) information platform with integration of marketing and distribution, thereby finding out faults in time, accurately judging fault points by being matched with the GIS system, overcoming the difficult problem that only large-scale power cut and maintenance can be conducted when power network accidents occur in the prior art, and achieving the aim of safe, reliable, energy-saving and environment-friendly power supply and utilization.
Description
Technical field:
The utility model relates to the multiplexe electric technology of power system security, environmental protection, specifically, is a kind of measure against electrical leakage fire prevention and harmonic pollution, avoids the automatic control system of electric grid large area power cut.
Technical background:
According to China's electricity consumption condition survey for many years.Along with per capita household electricity consumption improves constantly. also increase severely year by year by the Electrical Fire accident, become the one of the main reasons that fire takes place. and in all fire causes, rank first.To add up according to interrelated data. the ratio that electrical fire accounts for national fire sum rises to present nearly 30%. by 10% of early 1980s and causes the numeral of loss of life or personal injury also very surprising.The whole nation in 2003 since the direct economic loss that causes of electrical fire accident up to more than 121.7 hundred million yuan, for preventing that fire protection expense that electrical fire takes place is up to more than 60 hundred million yuan.
Electrical fire mainly is to cause because earth fault produces electric leakage, supply line and equipment reach decreasing insulating as installing and using reasons such as improper, aging circuit or mechanical damage, cause having between supply line and equipment and the earth abnormal electric current by forming electric leakage, cause hidden danger.
At present each distribution system by the installation of national compulsory residual current circuit breaker.The main effect of tradition residual current circuit breaker is the protection personal safety---when surpassing the personal safety value, its Live wires road leakage current can cut off the electricity supply at once.But it can't find out the Leakage Current size of circuit, can't understand the variation of circuit state of insulation, and the fault-finding relevant information also can't upload to the control room, promptly can't give a forecast to electrical fire; In addition, influence of harmonic also can make residual current circuit breaker move, the definition of electric power system harmonic wave is periodicity non-sine electric weight to be carried out fourier series decompose, except obtaining the component identical with the electrical network fundamental frequency, also obtain-serial component greater than the electrical network fundamental frequency, this part electric weight is called harmonic wave.Harmonic wave is actual to be a kind of interference volume, makes electrical network be subjected to " pollution ".Odd harmonic wherein, particularly 3 times 5 subharmonic, have the greatest impact, its reason is that 3 order harmonic components are the homophase additions in N line and PE line, make general residual current circuit breaker can't come into operation because the circuit residual current is excessive, tripping operation at once can't ensure timely outage behind the combined floodgate.
When main website of power supply administration 1, substation or mesolow client harmonic pollution occurs or steal the electric leakage accident, traditional solution is: earlier by manually reporting to the police to management of power use department with other communication modes, after treating that power supply administration finds out affiliated location, section circuit, this area's integral body is carried out power cuts to limit consumption, expatriate personnel carry out accident treatment then, recover this area's power supply by power supply administration more at last.So the shortcoming of processing accident method is: efficient is low, and the time is long, the accident impact face is big.
The utility model content:
The purpose of this utility model is, avoids because of electric leakage, and dangerous electricity consumption such as earth fault and the electric grid large area power cut phenomenon taked improves and uses electricity quality reaches the power supply purpose of safe, reliable, energy saving, environmental protection.
The utility model is achieved in that
Main website, substation and client terminal are arranged, substation and client terminal all are provided with transformer and switch cubicle, client terminal has special change user, the public user of change is also arranged, and each specially becomes platform district transformer is installed under the user, publicly becomes the user and is divided into several zones according to district management, each zone is equipped with platform district transformer, it is characterized in that: the substation adds the device security monitor, and this monitor is connected with the distribution transforming acquisition terminal by RS485, and acquisition terminal can will detect data upload to main website; Client terminal adds device security monitor, intelligent electric power measurement and control instrument, carrier electric energy meter, these equipment are connected with concentrated acquisition terminal by low-voltage power carrier, the multifunctional electric energy meter that has the harmonic wave monitoring function that client terminal installs additional, be connected with concentrated acquisition terminal by RS485: acquisition terminal is equipped with the GPRS module, can will detect data upload to main website, main website carries out monitoring analysis to data, on low-voltage remote kilowatt meter reading-out system platform, assign power off command, implement outage by carrier electric energy meter;
Described device security tester is installed in the outlet side of each distribution transformer, and the monitoring leakage current also can be installed in the distribution line place of each electric pressure;
Described intelligent electric power measurement and control instrument is installed on the distribution line of each district's transformer outlet side under the electric substation, is used for picking platform district power distribution information and detects data; By power carrier Monitoring Data is uploaded to main website;
The described multifunctional electric energy meter that has the harmonic wave monitoring function is installed on the distribution line of platform district transformer outlet side, is used for picking platform district power information and harmonic wave and detects data, is connected with concentrated acquisition terminal by RS485, and Monitoring Data is uploaded to main website.
System monitors according to main website, substation, client terminal three parts, and monitoring is divided into three layers according to data monitoring and transmission: equipment digitalized layer, support system layer, senior application layer;
Distribution transforming acquisition terminal, device security monitor, client terminal are installed in the power distribution network of substation to be equipped with concentrated acquisition terminal, carrier electric energy meter, intelligent electric power measurement and control instrument, device security monitor, the multifunctional electric energy meter of harmonic wave monitoring function etc. is arranged.
The measure against electrical leakage fire prevention that the utility model provides and the automatic control system of harmonic pollution, join on the basis of integrated information platform in GIS battalion, detect electric leakage, monitor harmonic component by erection unit safety test instrument by multifunctional electric energy meter 1 with harmonic wave detection, in time find fault, cooperate accurately judgement fault point with generalized information system, difficult problem that can only the large-area power-cuts maintenance when having overcome existing power grid accident and taking place has reached the power supply of safe, reliable, energy saving, environmental protection, the purpose of electricity consumption.
Description of drawings
Fig. 1. the entire system structural representation of the utility model accident treatment;
Fig. 2. the circuit theory schematic block diagram of system handles accident when low-pressure end has an accident;
Fig. 3. the circuit theory schematic block diagram of system handles accident during intermediate voltage terminal generation electric leakage accident.
Embodiment
Below in conjunction with accompanying drawing, narrate an embodiment, the utility model is described further.
Fig. 1 shows the entire system structure of present embodiment.
Install device security monitor 4 additional at 10KV transformer outlet side, at the low district's transformer outlet side of presenting a theatrical performance as the last item on a programme, specially become that user, domestic consumer's end are installed device security monitor 8, intelligent electric power measurement and control instrument 7 respectively additional, the multifunctional electric energy meter 9 that has a harmonic wave monitoring is carried out the classification detection of electrical leakage, differentiated control, to detect data directly uploads to main website 1 or uploads to main website 1 by substation 2,1 pair of data of main website are carried out monitoring analysis, by in, the low-voltage remote kilowatt meter reading-out system implements outage.
Device security tester 4 is installed in the outlet side of the 10KV transformer of each substation, the monitoring leakage current; Device security tester 8 is installed in the outlet side of each district's transformer and installs, and also can be installed in the distribution line place of each electric pressure.
Intelligent electric power measurement and control instrument 7 is installed in the outlet side of platform district transformer, is used for picking platform district power distribution information and detects data.
Have the multifunctional electric energy meter 9 that harmonic wave is monitored, be installed in the outlet side of platform district transformer, be used for picking platform district power information and harmonic wave and detect data.
In the present embodiment, system is according to county telephone central office (main website 1)---power supply station (substation 2)---, and the client terminal three parts are monitored, monitoring is according to data monitoring and transmission, and system configuration is divided into three levels: equipment digitalized layer, support system layer, senior application layer.
Ground floor is equipment digitalized layer, this layer mainly is each electric substation (substation) by the subordinate of power supply administration, the various terminal equipments in the client terminal power distribution network, as: electric substation (substation) distribution transforming acquisition terminal 3 and device security monitor 4 connect the collection Monitoring Data by RS485; The concentrated acquisition terminal 5 of client terminal, the Monitoring Data of gathering carrier electric energy meter 6, intelligent electric power measurement and control instrument 7, device security monitor 8 by power line carrier; Concentrate acquisition terminal 5 to upload multifunctional electric energy meter 9 (having the harmonic wave monitoring function) Monitoring Data etc. by RS485, monitor, gather and store data and current running status thereof, by communication ports such as GPRS network, private networks, upload in the database of computer system, form a digitized power distribution network model, various information is used jointly for system.The client terminal monitoring and early warning is implemented, and specifically sees Fig. 2; Power supply station's monitoring and early warning implements to see Fig. 3.
The second layer is the support system layer, mainly be communication system, master's (son) stand data copy and accept system, based on graphical (GIS) and standardized work workflow etc., communication system guarantees uploading of device data layer data and assigning of main website 1 order, generalized information system is determined concrete position of failure point according to Monitoring Data, accurately implement troubleshooting, unified management and safeguard low and medium voltage distribution network structure and running status thereof is for main website 1 higher-level layer provides comprehensive management of power use support.
The 3rd floor height level application layer.It is based on the support system layer, data from equipment digitalized layer, restoring electricity and senior application functions such as line loss on-line analysis, voltage power-less management, power supply reliability management, load control, electricity charge accounting, standardized management information system of Fault Isolation when realizing the copying and accepting of the operating monitoring of working condition of distribution, electric energy meter, power distribution network optimization operation and distribution fault and non-fault zone.
System pattern: can be divided into main website 1 pattern and main website 1, two kinds of typical modules of substation 1 pattern substantially.
Main website 1 pattern: the main website 1 of automated management system is joined by battalion, is monitoring, the administrative center of whole system, finishes storage, processing and analysis to field data, the supervision of operation conditions, the collection of management data, analysis and processing.Its real-time function is realized data sharings by direct monitoring feeder switch, distribution transformer real time data, mesolow client meter reading data or with subsystems such as centralized meter-reading system, feed line automatization systems, realizes comprehensive statistics and analysis under the unification support platform; Utilize designated lane to pass all kinds of electric network datas of gathering down simultaneously, realize unified management to each power supply station.Its management function is mainly based on management information system, behind other subsystem interface, can realize the functions such as procedure processing, marketing automation of production and operation business under the unified support platform; Utilize designated lane to pass down all kinds of production and operation instructions simultaneously, realize the multidate information comprehensive inquiry and the supervision of the situation that administrative department carries out power supply station's business to each power supply station.
Main website 1, substation pattern: set up battalion in each power supply station and join the automated management system substation, carry out network service with main website 1 by dedicated channel (optical fiber or VPN).Purpose is to be the function of distribution main website 1, optimization information transmission, clear system configuration level, the intermediate layer that makes things convenient for networking communication system to be provided with.Main task is all kinds of electric network datas and all kinds of management type data of directly gathering this area under one's jurisdiction, functions such as information aggregating, processing and the troubleshooting in the realization administrative area, communication monitoring.And by data centralization and forwarding pass to main website 1 in form, for it provides real-time grid data and business datum source.Receive all kinds of scheduling types and management type instruction that main website passes for 1 time simultaneously, finish the automation of this institute (substation) area under one's jurisdiction power distribution network and the intellectuality of management work.
On the basis of power supply station (substation), each electric company sets up battalion and joins automated management system main website 1, and main website 1 mainly finishes storage, processing and the analysis of uploading field data and management type data in substation 2, finishes all kinds of senior application functions.
Systemic-function
Equipment digitalized layer: specifically be distribution transforming acquisition terminal 3, device security monitor 4 to be installed, locate the three-phase multifunctional table 9 of carrier electric energy meter 6, intelligent electric power measurement and control instrument 7, device security monitor 8 being installed, being had the harmonic wave monitoring function the client terminal user at the 10kV of each electric substation transformer outlet side.These equipment are that the electric energy meter had jurisdiction over of centering low voltage electric network, distribution transformer, on-pole switch etc. are monitored, and realize leakage current detect, and the collection of harmonic wave Monitoring Data is uploaded, and joining the newly-increased safe early warning subsystem of automated system for battalion provides monitoring to handle foundation.
The support system layer: the unified collection that comprises real time information and management type data reaches distribution function as required, basic data monitoring, analysis means function etc.It is daily to distribution network system supervision, control and battalion's pipe arrangement reason requirements of one's work to satisfy the operations staff comprehensively, comprises record account, form chart production etc.
Senior application layer: constitute by the types of applications subsystem, support by front end processor, shared data bank, battalion joins automated system and realizes the copying and accepting of the monitoring of the operating distribution transforming three-phase load of distribution degree of unbalance, feeder load monitoring, electric energy meter, Long-distance Control transmission or not, power distribution network optimization operation, fault location and restore electricity, and safety on line early warning malfunction monitoring (to the identification and the controlled function of electric energy meter, distribution transformer, 10kV distribution line failure).Realize senior application functions such as line loss on-line analysis, voltage power-less management, power supply reliability management, load control, electricity charge accounting, standardized management information system simultaneously.
Fig. 2 shows when low-pressure end has an accident, the circuit theory of system handles accident.
When concentrated acquisition terminal 5 monitors certain consumer electronics by device security monitor 8 leaky is arranged in galvanization; Perhaps by inventor's DTSD251 type multifunctional electric energy meter 9, monitoring the somewhere electrical network has a large amount of harmonic waves, electricity consumption has on every side been produced and has polluted; Even electricity consumption occurs unusual, relevant information is reported to by power line and concentrates acquisition terminal 5, concentrate acquisition terminal 5 related data to be uploaded to main website 1 by public network, main website 1 carries out analyzing and processing, then power off command is issued to the carrier electric energy meter 6 (DTSI251, DDSI251) of fault zone, this type carrier electric energy meter 6 has the load power down function, receives the power off command enforcement zonule outage that main website 1 is assigned.
Fig. 3 shows. during intermediate voltage terminal generation electric leakage accident, and the circuit theory of system handles accident
Similar to Fig. 2, add distribution transforming acquisition terminal 3 and device security monitor 4 at the 10KV of each electric substation transformer outlet side, device security monitor 4 is connected by the RS485 line with distribution transforming acquisition terminal 3, device security monitor 4 detects electric leakage and in time finds leak current fault, time is short, the accuracy rate height, and in real time fault message is uploaded to main website 1 by public network, main website 1 can show the fault zone, and in real time information is communicated to electric substation intelligence branch switch, implement the outage of fault distribution line by the great branch of 10KV intelligent switch 10, prevent large-area power-cuts, increased amount of power supply, figure below is middle pressure safe early warning implementing procedure.
Claims (1)
1. the automatic control system of measure against electrical leakage fire prevention and harmonic pollution has main website (1), substation (2) and client terminal, and substation (2) and client terminal all are provided with transformer and switch cubicle; Client terminal has special change user, and the public user of change is also arranged, and each specially becomes platform district transformer is installed under the user, publicly becomes the user and is divided into several zones according to district management, and each zone is equipped with platform district transformer; It is characterized in that: substation (2) add device security monitor (4), and this monitor is connected with distribution transforming acquisition terminal (3) by RS485, and acquisition terminal will detect data upload to main website (1); The device security monitor (8) that client terminal installs additional, intelligent electric power measurement and control instrument (7), carrier electric energy meter (6) are connected with concentrated acquisition terminal (5) by low-voltage power carrier; The multifunctional electric energy meter that has the harmonic wave monitoring function (9) that client terminal installs additional is connected with concentrated acquisition terminal (5) by RS485, this acquisition terminal is equipped with the GPRS module, can will detect data upload to main website (1), main website carries out monitoring analysis to data, on low-voltage remote kilowatt meter reading-out system platform, assign power off command, implement outage by carrier electric energy meter (6);
Described device security tester (8) is installed in the outlet side of distribution transformer, and the monitoring leakage current is fit to be installed on the circuit of each electric pressure;
Described intelligent electric power measurement and control instrument (7) is installed on the distribution line of each district's transformer outlet side, is used for picking platform district power distribution information and detects data, by power carrier Monitoring Data is uploaded to main website (1);
The described multifunctional electric energy meter (9) that has the harmonic wave monitoring function, be installed on the distribution line of platform district transformer outlet side, be used for picking platform district power information and harmonic wave and detect data, be connected with concentrated acquisition terminal, Monitoring Data is uploaded to main website (1) by RS485.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201969363U CN201717671U (en) | 2010-05-19 | 2010-05-19 | Automatic control system preventing electric leakage, fire and harmonic pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201969363U CN201717671U (en) | 2010-05-19 | 2010-05-19 | Automatic control system preventing electric leakage, fire and harmonic pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717671U true CN201717671U (en) | 2011-01-19 |
Family
ID=43463677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201969363U Expired - Lifetime CN201717671U (en) | 2010-05-19 | 2010-05-19 | Automatic control system preventing electric leakage, fire and harmonic pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201717671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099049A (en) * | 2019-04-19 | 2019-08-06 | 中电科安科技股份有限公司 | Communication protocol for intelligent micro-circuit breaker and control centre's information exchange |
-
2010
- 2010-05-19 CN CN2010201969363U patent/CN201717671U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099049A (en) * | 2019-04-19 | 2019-08-06 | 中电科安科技股份有限公司 | Communication protocol for intelligent micro-circuit breaker and control centre's information exchange |
| CN110099049B (en) * | 2019-04-19 | 2021-08-24 | 中电科安科技股份有限公司 | Communication protocol for information interaction between intelligent miniature circuit breaker and control center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111596171A (en) | Intelligent distribution network fault diagnosis and positioning integrated system under artificial intelligence deep learning | |
| CN104297616A (en) | 10kV distribution line breaking detection method based on multi-system information interaction | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN101860081A (en) | Automatic control system for preventing electric leakage, fire and harmonic pollution | |
| CN102255393A (en) | Ground wire hanging anti-error blocking system and method thereof | |
| CN111030304B (en) | Electric power security protection intelligence thing networking systems | |
| CN103138390A (en) | Power distribution network fault handling method based on self-recovering control | |
| WO2022041264A1 (en) | Method for supporting operation of rail transit power system with big data | |
| CN105098643B (en) | Power distribution automation cabinet and its application | |
| CN203561717U (en) | Distribution board direct current ground connection alarm device | |
| CN112350313B (en) | Low-voltage distribution automatic monitoring and processing system | |
| CN201750078U (en) | Intelligent remote control box type substation | |
| CN202643028U (en) | City elevator safe operation and energy-saving supervisory system | |
| CN103259333A (en) | Intelligent alarming and integrated fault analysis system | |
| CN205785327U (en) | Urban Underground pipe gallery dynamic monitoring based on Internet of Things and early warning system | |
| CN103872770A (en) | Different power supply region feeder automation collocation method based on wiring mode | |
| CN109389521A (en) | A kind of distribution network automated intelligent management system | |
| CN204497849U (en) | A kind ofly take into account measure and control device that is centralized, formula feeder automation on the spot | |
| CN103514733A (en) | Centralized meter reading terminal for realization of power distribution and power utilization information collection | |
| CN204330940U (en) | A kind of line fault monitoring system | |
| CN201897726U (en) | Automatic monitoring system for hydraulic power plant | |
| WO2021109519A1 (en) | Smart power distribution box applicable to alternating-current communication base station | |
| CN203465374U (en) | Device for monitoring and positioning power distribution network faults | |
| CN201717671U (en) | Automatic control system preventing electric leakage, fire and harmonic pollution | |
| CN202094707U (en) | Monitoring device for power grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic control system for preventing electric leakage, fire and harmonic pollution Effective date of registration: 20150615 Granted publication date: 20110119 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: Shaanxi Yinhe Power Instruments and Meters Stock Co., Ltd. Registration number: 2015980000123 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151104 Granted publication date: 20110119 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: Shaanxi Yinhe Power Instruments and Meters Stock Co., Ltd. Registration number: 2015980000123 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic control system for preventing electric leakage, fire and harmonic pollution Effective date of registration: 20151225 Granted publication date: 20110119 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: Shaanxi Yinhe Power Instruments and Meters Stock Co., Ltd. Registration number: 2015980000262 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170119 Granted publication date: 20110119 Pledgee: Xi'an Taixin financing Company limited by guarantee Pledgor: Shaanxi Yinhe Power Instruments and Meters Stock Co., Ltd. Registration number: 2015980000262 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |