CN109787242A - A kind of power grid low-frequency voltage off-load method and system - Google Patents
A kind of power grid low-frequency voltage off-load method and system Download PDFInfo
- Publication number
- CN109787242A CN109787242A CN201811425481.5A CN201811425481A CN109787242A CN 109787242 A CN109787242 A CN 109787242A CN 201811425481 A CN201811425481 A CN 201811425481A CN 109787242 A CN109787242 A CN 109787242A
- Authority
- CN
- China
- Prior art keywords
- low
- round
- load
- scheme
- frequency
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000007619 statistical method Methods 0.000 claims description 6
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 4
- 240000002853 Nelumbo nucifera Species 0.000 claims description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 4
- 238000009472 formulation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000011156 evaluation Methods 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of power grid low-frequency voltage off-load method and system, the system comprises: man-machine management module: for typing, adjustment and preview low-frequency low-voltage load shedding scheme；Real-time computing module: for calculating each round technical indicator according to real-time data of power grid collected, association schemes preview result carries out judgement selection to the scheme of institute's typing；Report form statistics module: the low-frequency and low-voltage Automatic Load scheme report as a result, the standard of generation is exported for parsing real-time computing module.The present invention can be realized scheme preview, carries out simulated operation to quasi- excision load in advance with the feasibility and risk of evaluation scheme, avoids the occurrence of power grid maloperation；System is included in the solution formulation of low-frequency low-voltage load shedding and line service to manage automatically, greatly mitigate automated maintenance workload.
Description
Technical field
The present invention relates to a kind of power grid low-frequency voltage off-load method and system, belong to power grid regulation technical field.
Background technique
With the quick raising of rapid development of economy and production capacity, energy-output ratio is increased considerably, in order to improve power supply
Quality, guarantee responsible consumer power supply reliability, when occur in system active power shortage cause frequency, voltage decline when, root
According to the degree that frequency, voltage decline, a part of user is disconnected automatically, frequency, voltage decline is prevented, so that frequency, voltage are rapid
It is restored to normal value, this device is automatic low-frequency, voltage loadshedding equipment.It can not only guarantee the confession to responsible consumer
Electricity, and caused system break-down accident can be declined to avoid frequency, voltage.The real-time low-frequency and low-voltage calculating of power grid is particularly important,
It is mainly calculated in real time using automation personnel cooperation regulation personnel by making formula at this stage, if power grid low-frequency and low-voltage
Off-load project setting needs the multiple formula of manual modification in the short time, and the circulation time high to regulation personnel requirement is longer, ineffective
It is living and be unfavorable for safeguarding, poor user experience and timeliness is low.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of power grid low-frequency voltage off-load method is provided and is
System, is able to solve one of number of drawbacks or defect in the prior art.
In order to achieve the above objectives, the present invention adopts the following technical solutions realization:
In a first aspect, the embodiment of the invention provides a kind of power grid low-frequency low-voltage load shedding system, the system comprises:
Man-machine management module: for typing, adjustment and preview low-frequency low-voltage load shedding scheme；
Real-time computing module: for calculating each round technical indicator, association schemes according to real-time data of power grid collected
Preview result carries out judgement selection to the scheme of institute's typing；
Report form statistics module: for parse the output of real-time computing module as a result, the low-frequency and low-voltage of the standard of generation cut automatically it is negative
Lotus scheme report.
With reference to first aspect, further, the system also includes previews to adjust module: for receiving client request
Adjustment information is previewed, and preview adjustment information is transmitted to computing module and carries out real time parsing, man-machine management module is according to parsing
As a result project setting selection is carried out.
With reference to first aspect, further, the real-time computing module is connect with SCADA system, passes through SCADA system reality
When acquire real-time data of power grid.
With reference to first aspect, further, the man-machine management module includes that information table establishes module: for excision member
Part and round are defined.
Second aspect, the embodiment of the invention also provides a kind of power grid low-frequency voltage off-load methods, using system above-mentioned
It realizes, described method includes following steps:
Typing low-frequency low-voltage load shedding scheme is defined excision element and round；
The scheme of institute's typing is previewed, and project setting is carried out according to preview result；
For previewing the reasonable scheme of result, each round technical indicator is calculated according to defined excision element and round；
It is for statistical analysis to technical indicator calculated, generate the low-frequency and low-voltage Automatic Load scheme report of standard；
Power grid low-frequency voltage off-load is carried out according to the low-frequency and low-voltage Automatic Load scheme report of standard.
In conjunction with second aspect, further, the technical indicator includes: the practical excision load of each round, each round reality
Put into operation percentage, each round scheme of excision ratio, each round is cut off than, each round load residual quantity.
In conjunction with second aspect, further, the calculation method of the technical indicator includes:
Each practical excision load of round=each round load summation；
Each practical excision ratio of round=(each round load summation/the whole network load summation) * 100%；
Each round puts into operation the practical excision ratio of percentage=each round/each round scheme excision ratio；
Each round load residual quantity=(each practical excision ratio of round-each round scheme cuts off ratio) * the whole network load summation/100；
Wherein, each round scheme excision according to the low-frequency low-voltage load shedding scheme of institute's typing than determining；The whole network load summation is
Regional power grid real-time load always adds result.
In conjunction with second aspect, further, the method being defined to excision element and round includes:
Tool is defined by standard, is defined based on real-time data base, and is saved to commercial library.
In conjunction with second aspect, further, the method for the project setting includes:
Real-time low-frequency and low-voltage result is carried out based on graphical list to show, scheme is carried out by associated list menu and is adjusted in real time
Whole, in conjunction with the mode sent in message, feedback scheme previews result；
Result, which is previewed, according to scheme carries out project setting.
Compared with prior art, the power grid low-frequency voltage off-load method and system provided in an embodiment of the present invention side of can be realized
Case preview carries out simulated operation to quasi- excision load in advance with the feasibility and risk of evaluation scheme, avoids the occurrence of power grid and accidentally grasp
Make；Using method of real-time adjustment, wherein round can be adjusted flexibly, and quick in such a way that test round and practical round combine
It calculates round and cuts off load, can realize that low-frequency and low-voltage scheme adjusts and reality in real time under the premise of ensuring safety and accuracy
When calculate；System is included in the solution formulation of low-frequency low-voltage load shedding and line service to manage automatically, greatly mitigate automation
Maintenance workload；Human-computer interaction is friendly, and regulation personnel can directly participate in project setting and preview, realizes safely and accurately quick
Excision load is calculated, and report form statistics guarantees the safe and stable operation of power grid for post analysis.
Detailed description of the invention
Fig. 1 is a kind of flow chart of power grid low-frequency voltage off-load method provided in an embodiment of the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Power grid low-frequency low-voltage load shedding system provided in an embodiment of the present invention in dispatch automated system by establishing low frequency
The man-machine management module of low-voltage load sheding, real-time computing module and report form statistics module realize modeling, the side of power grid low-frequency low-voltage load shedding
Case management, preview, calculating and statistical analysis.It is specific as follows:
Man-machine management module: for typing, adjustment and preview low-frequency low-voltage load shedding scheme；
Real-time computing module: for calculating each round technical indicator, association schemes according to real-time data of power grid collected
Preview result carries out judgement selection to the scheme of institute's typing；
Report form statistics module: for parse the output of real-time computing module as a result, the low-frequency and low-voltage of the standard of generation cut automatically it is negative
Lotus scheme report.
The system also includes previews to adjust module: for receiving the preview adjustment information of client request, and will preview
Adjustment information is transmitted to computing module and carries out real time parsing, and man-machine management module carries out project setting selection according to parsing result.
The real-time computing module and SCADA (Supervisory Control And Data Acquisition, data
Acquisition and monitoring control) system connect, real-time data of power grid is acquired by SCADA system in real time.
The man-machine management module includes that information table establishes module: for being defined to excision element and round.
As shown in Figure 1, power grid low-frequency voltage off-load method provided in an embodiment of the present invention, it can be real using system above-mentioned
Existing, described method includes following steps:
Step 1: typing low-frequency low-voltage load shedding scheme is defined excision element and round, fixed particular by standard
Volunteer's tool, is defined based on real-time data base, and is saved to commercial library.
Step 2: previewing the scheme of institute's typing, and carries out project setting according to preview result；It specifically includes:
Real-time low-frequency and low-voltage result is carried out based on graphical list to show, it is real-time can to carry out scheme by associated list menu
Adjustment, in conjunction with the mode sent in message, feedback scheme previews result；
Result, which is previewed, according to scheme carries out project setting.
Step 3: for previewing the reasonable scheme of result, each round skill is calculated according to defined excision element and round
Art index；
The technical indicator includes: the practical excision of the practical excision load of each round, each round to put into operation percentage than, each round
Than the excision of, each round scheme than, each round load residual quantity.The calculation method of each technical indicator is as follows:
Each practical excision load of round=each round load summation；
Each practical excision ratio of round=(each round load summation/the whole network load summation) * 100%；
Each round puts into operation the practical excision ratio of percentage=each round/each round scheme excision ratio；
Each round load residual quantity=(each practical excision ratio of round-each round scheme cuts off ratio) * the whole network load summation/100；
Wherein, each round scheme excision according to the low-frequency low-voltage load shedding scheme of institute's typing than determining；The whole network load summation is
Regional power grid real-time load always adds result.
Step 4: it is for statistical analysis to technical indicator calculated, generate the low-frequency and low-voltage Automatic Load side of standard
Case report；
Step 5: power grid low-frequency voltage off-load is carried out according to the low-frequency and low-voltage Automatic Load scheme report of standard.
To sum up, power grid low-frequency voltage off-load method and system provided in an embodiment of the present invention can be realized scheme preview, mention
It is preceding that simulated operation is carried out with the feasibility and risk of evaluation scheme to quasi- excision load, avoid the occurrence of power grid maloperation；Using reality
When method of adjustment, wherein round can be adjusted flexibly, and using test round and practical round combination by the way of quickly calculate round
Load is cut off, can realize that low-frequency and low-voltage scheme is adjusted in real time and calculated in real time under the premise of ensuring safety and accuracy；
System is included in the solution formulation of low-frequency low-voltage load shedding and line service to manage automatically, greatly mitigate automated maintenance work
Amount；Human-computer interaction is friendly, and regulation personnel can directly participate in project setting and preview, realizes and safely and accurately quickly calculates excision
Load, and report form statistics guarantees the safe and stable operation of power grid for post analysis.
The invention will be described in further detail combined with specific embodiments below, power grid low frequency provided in an embodiment of the present invention
Low-voltage load sheding system is based on C/S architecture design:
The typing of low-frequency low-voltage load shedding scheme is carried out by man-machine management module by work station, maintenance interface is friendly simple；It is real
When computing module be used to extract SCADA system and acquire the Real Time Data of Substation that comes up, according to the calculation method of typing scheme into
Row calculates in real time, realizes that the on-line monitoring of index of correlation in low-frequency low-voltage load shedding scheme, real-time computing module receive client simultaneously
The preview adjustment request initiated is held, user carries out project setting selection by man-machine management module, and real-time computing module solves in real time
The preview adjustment information of client request is analysed, the low-frequency low-voltage load shedding adjustment after Real-time Feedback preview is as a result, promote user's operation
Experience and operational safety.Report form statistics module is responsible for statistical analysis and report generation.
Included the following steps: using the method that power grid low-frequency low-voltage load shedding system carries out cutting load (i.e. off-load)
1) by man-machine management module typing scheme, computation model is established
Realize the online formulation to low frequency, low pressure cutting load scheme, it is necessary to establish Basic Information Table, to excision element and
Round is defined.Adjustable parameter includes affiliated low frequency, low pressure round, if participates in low frequency, low pressure calculates, specific data
Format is as follows:
2) scheme on-line tuning and preview
Table extension field, which is defined, by low-frequency and low-voltage telemetering realizes that adjustment analog functuion, algorithm interface and real-time system keep one
It causes, using same set of model, maintains easily, calculated result is completely independent with real-time system.Different personnel have different rights, pipe
Total Options can be set in reason person, and whether dispatcher can put into foregrounding element, select (being, no) menu mode with two-value
Display.After dispatcher changes any element throwing, retreating state, the affiliated round of route is adjusted in real time, to change calculation, is adjusted
Afterwards in real time in reflection to calculated result.
3) scheme real-time indicators calculate
Real-time computing module is realized can calculate practical excision load for each round, and practical to cut off ratio, put into operation percentage, bears
Lotus residual quantity.It can minute wheel time inquiry be real cuts, standby cuts element real-time load amount.Discrete component load, each wheel are real to be cut, for the amount of cutting, can
The history curve and historical data of each statistical data of real-time query.
Specific formula for calculation is as follows
Each practical resection of round=each round load always adds.
Each practical excision ratio=each round of round always adds/and the whole network always adds * 100.
Each round scheme cuts off ratio=parameter, can pass through figure on-line tuning.
Each round puts into operation percentage=reality excision ratio/scheme excision ratio.
Each round load residual quantity=(practical excision ratio-scheme cuts off ratio) * the whole network always adds/100.
It in addition include all calculating contents of each round there are also 3 particular amounts.Wherein:
Subtotal=1-7 wheel is total to be added and (not to include spare).
Total=subtotal+special wheel.
Amount to=total+area wheel.
Data format are as follows:
4) auto report completing and statistical analysis
The SCADA server of dispatch automated system receives data calculating, parses storage through SCADA server and shows, and
The low-frequency and low-voltage Automatic Load scheme report of standard is automatically generated according to real-time, historical data.Regulation personnel according to report into
The row later period statistics and analysis, verifying low-frequency low-voltage load shedding scheme whether reasonable, guarantee the safe and reliable of scheme.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of power grid low-frequency low-voltage load shedding system, which is characterized in that the system comprises:
Man-machine management module: for typing, adjustment and preview low-frequency low-voltage load shedding scheme；
Real-time computing module: for calculating each round technical indicator, association schemes preview according to real-time data of power grid collected
As a result judgement selection is carried out to the scheme of institute's typing；
Report form statistics module: the low-frequency and low-voltage Automatic Load side as a result, the standard of generation is exported for parsing real-time computing module
Case report.
2. power grid low-frequency low-voltage load shedding system according to claim 1, which is characterized in that the system also includes previews to adjust
Mould preparation block: for receiving the preview adjustment information of client request, and preview adjustment information is transmitted to computing module and is carried out in fact
When parse, man-machine management module according to parsing result carry out project setting selection.
3. power grid low-frequency low-voltage load shedding system according to claim 1, which is characterized in that the real-time computing module with
SCADA system connection, acquires real-time data of power grid by SCADA system in real time.
4. power grid low-frequency low-voltage load shedding system according to claim 1, which is characterized in that the man-machine management module includes
Information table establishes module: for being defined to excision element and round.
5. a kind of power grid low-frequency voltage off-load method realizes that feature exists using the described in any item systems of Claims 1-4
In described method includes following steps:
Typing low-frequency low-voltage load shedding scheme is defined excision element and round；
The scheme of institute's typing is previewed, and project setting is carried out according to preview result；
For previewing the reasonable scheme of result, each round technical indicator is calculated according to defined excision element and round；
It is for statistical analysis to technical indicator calculated, generate the low-frequency and low-voltage Automatic Load scheme report of standard；
Power grid low-frequency voltage off-load is carried out according to the low-frequency and low-voltage Automatic Load scheme report of standard.
6. power grid low-frequency voltage off-load method according to claim 5, which is characterized in that the technical indicator includes: each
Put into operation percentage, the excision of each round scheme of the practical excision ratio of the practical excision load of round, each round, each round is born than, each round
Lotus residual quantity.
7. power grid low-frequency voltage off-load method according to claim 6, which is characterized in that the calculating side of the technical indicator
Method includes:
Each practical excision load of round=each round load summation；
Each practical excision ratio of round=(each round load summation/the whole network load summation) * 100%；
Each round puts into operation the practical excision ratio of percentage=each round/each round scheme excision ratio；
Each round load residual quantity=(each practical excision ratio of round-each round scheme cuts off ratio) * the whole network load summation/100；
Wherein, each round scheme excision according to the low-frequency low-voltage load shedding scheme of institute's typing than determining；The whole network load summation is region
Power grid real-time load always adds result.
8. power grid low-frequency voltage off-load method according to claim 6, which is characterized in that carried out to excision element and round
The method of definition includes:
Tool is defined by standard, is defined based on real-time data base, and is saved to commercial library.
9. power grid low-frequency voltage off-load method according to claim 6, which is characterized in that the method packet of the project setting
It includes:
Real-time low-frequency and low-voltage result is carried out based on graphical list to show, scheme is carried out by associated list menu and is adjusted in real time,
In conjunction with the mode sent in message, feedback scheme previews result；
Result, which is previewed, according to scheme carries out project setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425481.5A CN109787242A (en) | 2018-11-27 | 2018-11-27 | A kind of power grid low-frequency voltage off-load method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811425481.5A CN109787242A (en) | 2018-11-27 | 2018-11-27 | A kind of power grid low-frequency voltage off-load method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109787242A true CN109787242A (en) | 2019-05-21 |
Family
ID=66496605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811425481.5A Pending CN109787242A (en) | 2018-11-27 | 2018-11-27 | A kind of power grid low-frequency voltage off-load method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109787242A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350540A (en) * | 2019-05-28 | 2019-10-18 | 广东电网有限责任公司电力调度控制中心 | A kind of fine cutting load method based on On-line Estimation frequency character of load |
| CN111477046A (en) * | 2020-04-15 | 2020-07-31 | 国电南瑞科技股份有限公司 | Remote management system and method for electric power training system |
| CN112366686A (en) * | 2020-09-29 | 2021-02-12 | 国网安徽省电力有限公司安庆供电公司 | Automatic generation method of low-frequency load reduction distribution scheme suitable for distributed photovoltaic |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538957A (en) * | 2014-12-31 | 2015-04-22 | 江苏省电力公司 | Power grid model self-adaptive processing method for counting low-frequency low-voltage load shedding capacity |
-
2018
- 2018-11-27 CN CN201811425481.5A patent/CN109787242A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538957A (en) * | 2014-12-31 | 2015-04-22 | 江苏省电力公司 | Power grid model self-adaptive processing method for counting low-frequency low-voltage load shedding capacity |
Non-Patent Citations (1)
| Title |
|---|
| 魏珍等: "电网自动减载监控管理***设计", 《电网与清洁能源》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350540A (en) * | 2019-05-28 | 2019-10-18 | 广东电网有限责任公司电力调度控制中心 | A kind of fine cutting load method based on On-line Estimation frequency character of load |
| CN111477046A (en) * | 2020-04-15 | 2020-07-31 | 国电南瑞科技股份有限公司 | Remote management system and method for electric power training system |
| CN111477046B (en) * | 2020-04-15 | 2022-05-06 | 国电南瑞科技股份有限公司 | Remote management system and method for electric power training system |
| CN112366686A (en) * | 2020-09-29 | 2021-02-12 | 国网安徽省电力有限公司安庆供电公司 | Automatic generation method of low-frequency load reduction distribution scheme suitable for distributed photovoltaic |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102938587B (en) | Intelligent power grid safety and stability early-warning and control method | |
| CN105427039A (en) | Efficient processing method of distribution network repair work orders based on responsibility areas | |
| KR101278309B1 (en) | Outage schedule management apparatus and method in ems | |
| CN106451761B (en) | Large-area power failure automatic monitoring and analyzing system based on dynamic data driving | |
| CN109787242A (en) | A kind of power grid low-frequency voltage off-load method and system | |
| CN100403619C (en) | Distribution-type real-time voltage power-less optimized controlling method | |
| CN102254256A (en) | Transmission and distribution network integration comprehensive line loss management analysis system and processing flow thereof | |
| CN106447522A (en) | Full voltage sequence integrated power grid reliability and risk evaluation method | |
| CN103874122A (en) | Special transformer terminal network signal collecting system and method | |
| CN105184521B (en) | A kind of methods of risk assessment of grid operation mode, apparatus and system | |
| KR102625403B1 (en) | Integrated local renewable energy management system | |
| CN101957891A (en) | Static safety analysis system of modularization power grid on basis of communication system | |
| CN106160229A (en) | A kind of customer charge real-time control method and system | |
| CN104283222A (en) | Regional power grid reactive voltage control system | |
| CN104362679A (en) | Stability control device for improving controllability of wind power field and coordination control method for EMSs of wind power field | |
| CN111667143A (en) | Method for realizing fusion of real-time monitoring data and service management data in power grid dispatching | |
| CN102118061A (en) | Method and system for centralized control of regional power grid | |
| CN113189437A (en) | Detection method for power-off and power-on fault areas of transformer area | |
| CN113868078A (en) | Wind power plant monitoring method based on cloud platform | |
| CN108921443A (en) | Power grid early warning scheduling system, method and device and server | |
| CN104484837A (en) | Power distribution network risk evaluation comprehensive quantizing method | |
| CN115356975A (en) | Comprehensive electrical monitoring system | |
| CN108596450B (en) | Power grid risk early warning method and system | |
| CN107966943B (en) | Centralized master control monitoring intelligent data analysis system for multi-stage transformer substation | |
| CN116599160B (en) | Active sensing method and system for new energy station cluster and new energy station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |
|
| RJ01 | Rejection of invention patent application after publication |