CN206226015U - A kind of short-term load forecasting sampling mechanism based on electric power compensation system - Google Patents
A kind of short-term load forecasting sampling mechanism based on electric power compensation system Download PDFInfo
- Publication number
- CN206226015U CN206226015U CN201621289482.8U CN201621289482U CN206226015U CN 206226015 U CN206226015 U CN 206226015U CN 201621289482 U CN201621289482 U CN 201621289482U CN 206226015 U CN206226015 U CN 206226015U
- Authority
- CN
- China
- Prior art keywords
- power
- monitoring
- factor
- circuit
- electric power
- 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 - Fee Related
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of short-term load forecasting sampling mechanism based on electric power compensation system, including three-phase power conveying circuit, three output power monitoring circuits, power-factor monitoring ground path, power-factor monitoring circuit and signal coders；A current transformer and a voltage transformer are provided with each described output power monitoring circuit, each described current transformer is connected with a power monitoring galvanometer, each described voltage transformer is connected with a power monitoring potentiometer, and the low potential end of three voltage transformers is connected in parallel the power-factor monitoring ground path；Power-factor monitoring potentiometer is provided with the power-factor monitoring circuit；Three the power monitoring galvanometer, three power monitoring potentiometers and the power-factor monitoring potentiometers are connected with the signal coder.The sampling work of grid power data can either be completed, the work of power factor of electric network data sampling can be completed again.
Description
Technical field
The utility model is related to a kind of load prediction engineering device technique field of power-system short-term, particularly a kind of based on electricity
The short-term load forecasting sampling mechanism of force compensating system.
Background technology
Because electric energy is difficult to a large amount of long-term storages, therefore power system should just realize the balance of electricity production and electricity consumption；With
It is electric energy that requirement system is capable of outputting high quality the need for family, then understand the Fluctuation of user power utilization, accurate and accurate
When judge electricity consumption number be exactly system normally operation and save financial resources important step.With the continuous strong of market transform
Change, Utilities Electric Co. is a part for electricity market, and they should be basic with electricity market, and all of trend must be economy
Interests are placed on first, will also can be thorough understanding market demand ＆ supply trend and development, using these as corporate planning mesh
Mark.So accurately carrying out load prediction, market lifeblood, the trend that electric energy needs after parsing can be controlled.Power system
Normal work, control and planning in, whole link is determined by load prediction, and the receipts of enterprise can be increased so predicting
Benefit, is beneficial to the raising of Levels of Social Economic Development, is a very important part in Power System Planning.
In view of the development of modern industry, the popularization of automation equipment device, urban power consumption also increasing year by year, therefore,
Load prediction more and more highlights its importance.Load prediction is that power plant generated energy planning and transformer station formulate distribution electricity consumption plan
Indispensable Consideration, on the premise of modern electric development is very fast, correct system operatio and plan very must
Will.The method of work for manipulating whole system is the target of power system allotment, allows system to provide high-quality electric energy, it is determined that
System can save operation and safety, and can have stronger self-healing ability.Load Prediction In Power Systems system is not only needed
Monitor the conventional electric power load data such as supply voltage, supply current, in addition it is also necessary to which monitoring is related to grid supply quality and efficiency
The power grid quality data such as power factor, conventional grid power data are by different Sampling Machines from power factor of electric network data
Structure is come what is completed, and the manufacture installation cost for having thus resulted in device is higher and be easily caused the error of monitoring.
The content of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of short term based on electric power compensation system
Prediction samples mechanism, can either complete the sampling work of grid power data, and power factor of electric network data sampling can be completed again
Work.
The utility model solves the technical scheme that its technical problem used：
A kind of short-term load forecasting sampling mechanism based on electric power compensation system, including three-phase power conveying circuit, three
Output power monitoring circuit, the power-factor monitoring ground wire of each phase line of three-phase power conveying circuit are connected respectively
Road, power-factor monitoring circuit and signal coder；One end of each output power monitoring circuit connects the three-phase electricity
Power conveying circuit, the other end ground connection of each output power monitoring circuit, on each described output power monitoring circuit
A current transformer and a voltage transformer are provided with, each described current transformer is connected with a power monitoring electric current
Meter, each described voltage transformer is connected with a power monitoring potentiometer, and three low potential ends of the voltage transformer are simultaneously
The connection connection power-factor monitoring ground path；Power-factor monitoring voltage is provided with the power-factor monitoring circuit
Meter, and the power-factor monitoring circuit one end ground connection, the high potential end of three voltage transformers is connected in parallel described
The other end of power-factor monitoring circuit；Three power monitoring galvanometer, three power monitoring potentiometers and described
Power-factor monitoring potentiometer is connected with the signal coder.
High potential end as herein described refers to electromotive force absolute value one end high, i.e., near or to connect the three-phase power defeated
The one end on line sending road；Low potential end as herein described refers to the low one end of electromotive force absolute value, i.e., near for being grounded or being grounded
End.
As the further improvement of above-mentioned technical proposal, filtered electrical is additionally provided with each described output power monitoring circuit
Hold, and each described output power is monitored circuit and is once provided with the filter capacitor, described to low potential end from high potential end
Current transformer and the voltage transformer.
As the further improvement of above-mentioned technical proposal, the high potential end of each voltage transformer and the power because
The junction of number monitoring circuit is provided with an electric power compensation adjustable resistance.
As the further improvement of above-mentioned technical proposal, also including signal projector, signal receiver and electric power compensation control
Device processed, the signal projector connects the signal coder, and the signal receiver connects the electric power compensation controller, institute
Electric power compensation controller is stated to connect and control three electric power compensation adjustable resistances.
Compared with prior art, the beneficial effects of the utility model are：
A kind of short-term load forecasting sampling mechanism based on electric power compensation system provided by the utility model, can either be complete
Into the sampling work of grid power data, the work of power factor of electric network data sampling can be completed again, so as to reduce power train
The manufacture of system short-term load forecasting sampling apparatus and installation cost, and improve the synchronism and electric power short term of sampled data
The accuracy for predicting the outcome.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structure of short-term load forecasting sampling mechanism based on electric power compensation system described in the utility model
Schematic diagram.
Specific embodiment
Reference picture 1, Fig. 1 is one structural representation of specific embodiment of the utility model.
As shown in figure 1, a kind of short-term load forecasting sampling mechanism based on electric power compensation system, including three-phase power conveying
1, three, circuit connects the output power monitoring circuit 2, power factor of each phase line of the three-phase power conveying circuit 1 respectively
Monitoring grounding circuit 3, power-factor monitoring circuit 4 and signal coder 5；Each output power monitors one end of circuit 2
The three-phase power conveying circuit 1 is connected, the other end ground connection of each output power monitoring circuit 2, each described power supply
A current transformer 6 and a voltage transformer 7 are provided with power monitoring circuit 2, each described current transformer 6 connects
A power monitoring galvanometer 8 is connected to, each described voltage transformer 7 is connected with a power monitoring potentiometer 9, described in three
The low potential end of voltage transformer 7 is connected in parallel the power-factor monitoring ground path 3；The power-factor monitoring circuit 4
On be provided with power-factor monitoring potentiometer 10, and the power-factor monitoring circuit 4 one end ground connection, three voltages are mutual
The high potential end of sensor 7 is connected in parallel the other end of the power-factor monitoring circuit 4；Three power monitoring galvanometer 8,
Three power monitoring potentiometers 9 and the power-factor monitoring potentiometer 10 are connected with the signal coder 5.
Specifically, filter capacitor 11, and each described power supply work(are additionally provided with each described output power monitoring circuit 2
Rate is monitored circuit 2 and is once provided with the filter capacitor 11, the current transformer 6 and described to low potential end from high potential end
Voltage transformer 7.The high potential end of each voltage transformer 7 is set with the junction of the power-factor monitoring circuit 4
There is an electric power compensation adjustable resistance 12.Also include signal projector 13, signal receiver 14 and electric power compensation controller 15, institute
State signal projector 13 and connect the signal coder 5, the signal receiver 14 connects the electric power compensation controller 15, institute
Electric power compensation controller 15 is stated to connect and control three electric power compensation adjustable resistances 12.The He of power monitoring galvanometer 8
The power monitoring potentiometer 9 is applied not only to provide electric current and voltage data for power-factor monitoring, is also electric power short term
Prediction provides electric current and voltage sample data, while the power-factor monitoring potentiometer 10 is not only power-factor monitoring providing
Monitoring Data, also for Power Short-Term Load Forecasting provides power factor sampling data.
Above to it is of the present utility model it is preferable implementation illustrated, certainly, the utility model can also use with
The different form of above-mentioned implementation method, those of ordinary skill in the art are made on the premise of without prejudice to the utility model spirit
Equivalent conversion or it is corresponding change, should all belong in protection domain of the present utility model.
Claims (4)
1. a kind of short-term load forecasting sampling mechanism based on electric power compensation system, it is characterised in that：Including three-phase power conveying
Circuit, three output power monitoring circuit, the power factor prisons for connecting each phase line of three-phase power conveying circuit respectively
Survey ground path, power-factor monitoring circuit and signal coder；One end connection institute of each output power monitoring circuit
Three-phase power conveying circuit is stated, the other end ground connection of each output power monitoring circuit, each described output power monitoring
A current transformer and a voltage transformer are provided with circuit, each described current transformer is connected with a power
Monitoring current meter, each described voltage transformer is connected with a power monitoring potentiometer, three voltage transformers it is low
Potential end is connected in parallel the power-factor monitoring ground path；Power factor prison is set on the power-factor monitoring circuit
Potentiometer is surveyed, and one end of the power-factor monitoring circuit is grounded, three high potential ends of the voltage transformers are in parallel even
Connect the other end of the power-factor monitoring circuit；Three the power monitoring galvanometer, three power monitoring potentiometers
It is connected with the signal coder with the power-factor monitoring potentiometer.
2. a kind of short-term load forecasting sampling mechanism based on electric power compensation system according to claim 1, its feature exists
In：Filter capacitor is additionally provided with each described output power monitoring circuit, and each described output power monitoring circuit is certainly high
Potential end is once provided with the filter capacitor, the current transformer and the voltage transformer to low potential end.
3. a kind of short-term load forecasting sampling mechanism based on electric power compensation system according to claim 1, its feature exists
In：The high potential end of each voltage transformer is provided with an electric power and mends with the junction of the power-factor monitoring circuit
Repay adjustable resistance.
4. a kind of short-term load forecasting sampling mechanism based on electric power compensation system according to claim 3, its feature exists
In：Also include signal projector, signal receiver and electric power compensation controller, the signal projector connects the Signal coding
Device, the signal receiver connects the electric power compensation controller, and the electric power compensation controller is connected and controlled described in three
Electric power compensation adjustable resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289482.8U CN206226015U (en) | 2016-11-29 | 2016-11-29 | A kind of short-term load forecasting sampling mechanism based on electric power compensation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621289482.8U CN206226015U (en) | 2016-11-29 | 2016-11-29 | A kind of short-term load forecasting sampling mechanism based on electric power compensation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226015U true CN206226015U (en) | 2017-06-06 |
Family
ID=58786544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621289482.8U Expired - Fee Related CN206226015U (en) | 2016-11-29 | 2016-11-29 | A kind of short-term load forecasting sampling mechanism based on electric power compensation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206226015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113887846A (en) * | 2021-12-07 | 2022-01-04 | 武汉格蓝若智能技术有限公司 | Out-of-tolerance risk early warning method for capacitive voltage transformer |
-
2016
- 2016-11-29 CN CN201621289482.8U patent/CN206226015U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113887846A (en) * | 2021-12-07 | 2022-01-04 | 武汉格蓝若智能技术有限公司 | Out-of-tolerance risk early warning method for capacitive voltage transformer |
| CN113887846B (en) * | 2021-12-07 | 2022-02-22 | 武汉格蓝若智能技术有限公司 | Out-of-tolerance risk early warning method for capacitive voltage transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106771645B (en) | Capacitance type potential transformer dielectric loss and capacitance on-line monitoring method and monitoring system | |
| WO2015117304A1 (en) | System for online monitoring of zinc oxide arrester and method thereof | |
| CN103576057B (en) | Insulated on-line monitoring system and method | |
| CN102721891B (en) | Test device for non-liner resistor type resonance eliminator | |
| CN103543378B (en) | Platform sheet relation detection method | |
| CN105182044A (en) | Ultrahigh voltage DC arrester state detection device with Hall sensor acting as framework | |
| CN104330615A (en) | Multi-phase measuring device of lightning arrester and transformer based on FFT algorithm and method thereof | |
| CN206226015U (en) | A kind of short-term load forecasting sampling mechanism based on electric power compensation system | |
| CN205176195U (en) | Insulating status monitoring device of cable jacket | |
| CN105301323A (en) | Ultrahigh voltage DC lightning arrester leakage current online detection method by using cloud technology | |
| CN205280851U (en) | GIS zinc oxide arrester live test appearance | |
| CN204479671U (en) | A kind of DC converter station direct current arrester electrification detection system | |
| CN105203886A (en) | Capacitive type current transformer online detection device and method | |
| CN201307140Y (en) | On-line insulation monitoring system | |
| CN105548765A (en) | GIS zinc oxide lightning arrester live-line tester | |
| CN103323738B (en) | Flickering source locating method of multiple feed-in system | |
| CN204925306U (en) | System that listens on line of electric current is revealed to special high voltage direct current arrester based on cloud | |
| CN103439616A (en) | Transformation-loss precision-measurement device | |
| CN104331115B (en) | A kind of circuit and method eliminating PT secondary circuit voltage drop | |
| CN207232381U (en) | A kind of intelligent electric meter check system based on NB IoT | |
| CN203465367U (en) | Accurate transformer loss measuring device | |
| CN207882332U (en) | system for detecting transformer iron core grounding current | |
| CN207181512U (en) | For measuring the circuit structure of PT secondary circuit voltage drops and load | |
| CN105301325A (en) | Ultrahigh voltage DC lightning arrester leakage current acquisition method according to Hall induction theory | |
| CN105973813B (en) | A kind of binary channels light sensing insulator salt density monitoring system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20181129 |