CN105322539A - Voltage data correction method for SCADA system of power distribution network - Google Patents
Voltage data correction method for SCADA system of power distribution network Download PDFInfo
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- CN105322539A CN105322539A CN201510760479.3A CN201510760479A CN105322539A CN 105322539 A CN105322539 A CN 105322539A CN 201510760479 A CN201510760479 A CN 201510760479A CN 105322539 A CN105322539 A CN 105322539A
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/22—Flexible AC transmission systems [FACTS] or power factor or reactive power compensating or correcting units
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Abstract
The invention provides a voltage data correction method for an SCADA system of a power distribution network. According to the voltage data correction method, power system structural information, SCADA measurement power data, SCADA measurement current data, PMU voltage measurement data, and power system event record data are utilized; four links of wrong data initial removal, multi-source data verification, same-source same-site data verification and same-source multi-point multi-measurement information verification are preformed for quality detection and correction on the voltage data of the SCADA system. The voltage data correction method provided by the invention is efficient, accurate and reliable, and the voltage data correction method can effectively identify and correct various types of wrong data and the data with larger error in the power gird in time, can judge whether mistakes exist in the voltage measurement values or not and can judge the types of the mistakes, as well as can give out the estimated value and the numerical value precision of the voltage values according to other measurement values; therefore, the data quality of the power distribution network is improved, and the security and the reliability of the power distribution network are further ensured.
Description
Technical field
The present invention relates to data quality checking and the correction field of power distribution network, be specifically related to a kind of power distribution network SCADA system voltage data modification method.
Background technology
Intelligent grid is based upon on the basis of integrated, high-speed bidirectional communication network, by the sensing of advanced person and the application of measuring technique, advanced equipment and technology, the control method of advanced person and the DSS technology of advanced person, realize the target of reliable, safety, the economy of electrical network, efficient, environmental friendliness and use safety, its principal character comprise self-healing, encourage and comprises user, resist attacks, the quality of power supply meeting 21 century user's request is provided, the access of allowing various different forms of electricity generation, startup electricity market and assets optimization Effec-tive Function.And the development of intelligent grid relies on data integrated storage, Management and application, also need to ensure the quality of data; At electric network protection with under the supermatic environment of control; there are various types of misdata that a variety of causes produces and the data existed compared with big error in data acquisition system in system; and once the corrupt data of automated system reception; not only can disturb the judgement of dispatcher; even cause protection and control device malfunction, have a strong impact on power grid security.
At present, not yet have and can carry out identification and correction to the bad data affecting power grid security, and realize judging whether voltage measuring value exists the method for mistake and type of error thereof; Therefore, how to design a kind of can identification and revise bad data to ensure the method for electric network security, be this area problem demanding prompt solution.
Summary of the invention
In view of this, a kind of power distribution network SCADA system voltage data modification method provided by the invention, the method is efficient, accurately and reliable, can in time and effective identification and to revise in electrical network various types of misdata and existence compared with the data of big error; , can judge whether voltage measuring value exists mistake and type of error thereof, the amount simultaneously can measured according to other, provides magnitude of voltage estimated value and numerical precision; Improve the quality of data of power distribution network, and then ensure that fail safe and the reliability of power distribution network.
The object of the invention is to be achieved through the following technical solutions:
A kind of power distribution network SCADA system voltage data modification method, be provided with in the electric power system of power distribution network with the use of SCADA system and PMU system; Described SCADA system is for gathering the service data of power distribution network and electric power system described in Monitor and Control; Described PMU system is used for real-time dynamic monitoring and analyzes the dynamic process of described electric power system; Described method comprises the steps:
Step 1. reads arbitrary the bus SCADA voltage magnitude data at any one time in described SCADA system;
Step 2. judges whether described SCADA voltage magnitude is greater than voltage compare value;
If so, then step 3 is entered;
If not, then step 4 is entered;
Step 3. judges whether there is correct logout in the run case record of described SCADA system;
If so, then described SCADA voltage magnitude data are correct measurement data, and export current event situation;
If not, then described SCADA voltage magnitude data are the measurement data of mistake, enter step 7;
Step 4. judges whether there are the PMU voltage magnitude data of same bus at synchronization in described PMU system;
If so, then step 5 is entered;
If not, then step 6 is entered;
Step 5. judges whether the difference of described SCADA voltage magnitude and described PMU voltage magnitude is less than or equal to the first difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then described SCADA voltage magnitude data are the metric data of mistake, adopt described PMU voltage magnitude to revise described SCADA voltage magnitude data, return step 1;
Step 6. judges, in the difference of described SCADA voltage magnitude data and the current previous moment of described SCADA voltage magnitude data of described bus and the SCADA voltage magnitude data in a rear moment, whether to have at least one to be less than or equal to the second difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then step 7 is entered;
Step 7. judges whether the difference of described SCADA voltage magnitude and its voltage magnitude calculated value with bus and is in the same time less than or equal to the 3rd difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then described SCADA voltage magnitude data are the metric data of mistake, adopt described voltage magnitude calculated value to revise described SCADA voltage magnitude data; Return step 1.
Preferably, the described voltage compare value in described step 2 is the system busbar rated voltage amplitude of 2 times.
Preferably, the described PMU of the employing in described step 5 voltage magnitude is revised described SCADA voltage magnitude data, comprising:
The voltage magnitude data of described PMU system same bus synchronization are adopted directly to replace described SCADA voltage magnitude data.
Preferably, described first difference upper limit in described step 5 equals the summation of the error limit of described SCADA voltage magnitude and described PMU voltage magnitude.
Preferably, described second difference upper limit in described step 6 equals 2 times of the error limit of described SCADA voltage magnitude.
Preferably, the described voltage magnitude calculated value U in described step 7
saccording to resistance R, the reactance X data of the voltage magnitude data place circuit in a certain bus of the described SCADA system a certain moment in CIM, and the top active-power P of circuit described in synchronization, reactive power Q and terminal voltage amplitude U
ldata calculate and obtain;
Corresponding in a circuit time, top voltage U
sand end point voltage U
lbe respectively:
Preferably, the described voltage magnitude of the employing in described step 7 calculated value is revised by the carrying out to described SCADA voltage magnitude data, comprising:
Adopt described SCADA system with bus and voltage magnitude calculated value data in the same time directly replace described SCADA voltage magnitude data.
Preferably, described 3rd difference upper limit in described step 7 equals the summation of the error limit of described SCADA voltage magnitude and described voltage magnitude calculated value.
As can be seen from above-mentioned technical scheme, the invention provides a kind of power distribution network SCADA system voltage data modification method, the method utilizes NETWORK STRUCTURE PRESERVING POWER SYSTEM information, SCADA to measure power data, SCADA measured current data, PMU voltage metric data, Power System Events record data, is tentatively rejected, multi-source data verifies, homology verifies with locality data and homology multiple spot volume measurement information verification four processes carries out quality testing and correction to SCADA system voltage data by misdata.The method that the present invention proposes is efficient, accurately and reliable, can in time and effective identification and to revise in electrical network various types of misdata and existence compared with the data of big error; Can judge whether voltage measuring value exists mistake and type of error thereof, the amount simultaneously can measured according to other, provides magnitude of voltage estimated value and numerical precision; Improve the quality of data of power distribution network, and then ensure that fail safe and the reliability of power distribution network.
With immediate prior art ratio, technical scheme provided by the invention has following excellent effect:
1, in technical scheme provided by the present invention, utilize NETWORK STRUCTURE PRESERVING POWER SYSTEM information, SCADA to measure power data, SCADA measured current data, PMU voltage metric data, Power System Events record data, tentatively rejected by misdata, multi-source data verifies, homology verifies with locality data and homology multiple spot volume measurement information verification four processes carries out quality testing and correction to SCADA system voltage data.The method that the present invention proposes is efficient, accurately and reliable, can in time and effective identification and to revise in electrical network various types of misdata and existence compared with the data of big error.
2, technical scheme provided by the present invention, is applicable to distribution network voltage quality testing field, can judge whether voltage measuring value exists mistake and type of error thereof, and the amount simultaneously can measured according to other, provides magnitude of voltage estimated value and numerical precision; Improve the quality of data of power distribution network, and then ensure that fail safe and the reliability of power distribution network.
3, technical scheme provided by the invention, is widely used, and has significant Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of power distribution network SCADA system voltage data modification method of the present invention;
Fig. 2 is the SCADA system voltage data schematic diagram that 69 node systems of the embody rule example of modification method of the present invention exist abnormal data;
Fig. 3 is that the abnormal conditions in 69 node system voltage datas of the embody rule example of modification method of the present invention illustrate form;
The voltage detecting result of the embody rule example of Fig. 4 modification method of the present invention and the relevant correction value form of misdata;
Fig. 5 is the flow chart of the embody rule example of a kind of power distribution network SCADA system voltage data modification method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the invention provides a kind of power distribution network SCADA system voltage data modification method, be provided with in the electric power system of power distribution network with the use of SCADA system and PMU system; SCADA system is for gathering the service data of power distribution network and Monitor and Control electric power system; PMU system is used for real-time dynamic monitoring and analyzes the dynamic process of electric power system; SCADA (SupervisoryControlAndDataAcquisition) system, i.e. data acquisition and supervisor control; Synchronous phase measuring in power system device PhasorMeasurementUnit (PMU) is for carrying out the measurement of synchronized phasor and output and carrying out the device of dynamically recording.
Comprise the steps:
Step 1. reads arbitrary the bus SCADA voltage magnitude data at any one time in SCADA system;
Step 2. judges whether SCADA voltage magnitude is greater than voltage compare value;
If so, then step 3 is entered;
If not, then step 4 is entered;
Step 3. judges whether there is correct logout in the run case record of SCADA system;
If so, then SCADA voltage magnitude data are correct measurement data, and export current event situation;
If not, then SCADA voltage magnitude data are the measurement data of mistake, enter step 7;
Step 4. judges whether there are the PMU voltage magnitude data of same bus at synchronization in PMU system;
If so, then step 5 is entered;
If not, then step 6 is entered;
Step 5. judges whether the difference of SCADA voltage magnitude and PMU voltage magnitude is less than or equal to the first difference upper limit;
If so, then SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then SCADA voltage magnitude data are the metric data of mistake, adopt PMU voltage magnitude to revise SCADA voltage magnitude data, return step 1;
Step 6. judges, in the difference of SCADA voltage magnitude data and the current previous moment of SCADA voltage magnitude data of bus and the SCADA voltage magnitude data in a rear moment, whether to have at least one to be less than or equal to the second difference upper limit;
If so, then SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then step 7 is entered;
Step 7. judges whether the difference of SCADA voltage magnitude and its voltage magnitude calculated value with bus and is in the same time less than or equal to the 3rd difference upper limit;
If so, then SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then SCADA voltage magnitude data are the metric data of mistake, adopt voltage magnitude calculated value to revise SCADA voltage magnitude data; Return step 1.
Wherein, the voltage compare value in step 2 is the system busbar rated voltage amplitude of 2 times.
Wherein, the employing PMU voltage magnitude in step 5 is revised SCADA voltage magnitude data, comprising:
The voltage magnitude data of the same bus synchronization of PMU system are adopted directly to replace SCADA voltage magnitude data.
Wherein, the first difference upper limit in step 5 equals the summation of the error limit of SCADA voltage magnitude and PMU voltage magnitude.
Wherein, the second difference upper limit in step 6 equals 2 times of the error limit of SCADA voltage magnitude.
Wherein, the voltage magnitude calculated value U in step 7
saccording to resistance R, the reactance X data of the voltage magnitude data place circuit in a certain bus of the SCADA system in CIM a certain moment, and the top active-power P of synchronization circuit, reactive power Q and terminal voltage amplitude U
ldata calculate and obtain;
Corresponding in a circuit time, top voltage U
sand end point voltage U
lbe respectively:
Wherein, carry out of employing voltage magnitude calculated value to SCADA voltage magnitude data in step 7 is revised, and comprising:
SCADA system voltage magnitude calculated value data with bus and are in the same time adopted directly to replace SCADA voltage magnitude data.
Wherein, the 3rd difference upper limit in step 7 equals the summation of the error limit of SCADA voltage magnitude and voltage magnitude calculated value.
As shown in Figures 2 to 4, the invention provides a kind of embody rule example of power distribution network SCADA system voltage data modification method, wherein, Fig. 2 is the SCADA system voltage data that 69 node systems exist abnormal data, and Fig. 3 is the abnormal conditions explanation in 69 node system voltage datas; Fig. 4 gives the relevant correction value of voltage detecting result and misdata, and testing result is consistent with Fig. 3;
As shown in Figure 5, the concrete steps of embody rule example of the present invention are as follows:
Step 1: the voltage magnitude data reading the SCADA system a certain bus a certain moment;
The voltage magnitude data in a certain bus of step 2:SCADA system a certain moment and the distribution network system bus rated voltage amplitude of 2 times compare, and specifically comprise:
If the voltage magnitude data in a certain bus of SCADA system a certain moment are greater than 2 times of corresponding system bus rated voltage amplitude, check SCADA system run case record;
If there is correct logout, then judge that the voltage magnitude data in a certain bus of SCADA system a certain moment are correct metric data, and export current event situation;
If there is no logout, then judge that SCADA system voltage magnitude data are the metric data of mistake, enter step 5;
If the voltage magnitude data in a certain bus of SCADA system a certain moment are less than 2 times of corresponding system bus rated voltage amplitude, enter step 3;
The voltage magnitude data of the voltage magnitude data in a certain bus of step 3:SCADA system a certain moment and the same bus synchronization of PMU system compare, and specifically comprise:
If there are the voltage magnitude data of the same bus synchronization of PMU system, the voltage magnitude data of the voltage magnitude data in a certain bus of SCADA system a certain moment and the same bus synchronization of PMU system compare;
If the difference of the two is at 0.3% (voltage accuracy that SCADA measures)+0.2% (voltage accuracy that PMU measures), namely 0.5% scope in, then judge that the voltage magnitude data in a certain bus of SCADA system a certain moment are the correct data measured;
If the difference of the two exceeds 0.5% required precision scope, then judge that the voltage magnitude data in a certain bus of SCADA system a certain moment are the metric data of mistake, adopt the voltage magnitude data of voltage magnitude data to a certain bus of the SCADA system a certain moment of PMU system same bus synchronization to revise;
If there are not the voltage magnitude data of the same bus synchronization of PMU system, enter step 4;
The voltage magnitude data previous moment adjacent with the same bus of SCADA system in a certain bus of step 4:SCADA system a certain moment and the voltage magnitude data in a rear moment compare, and specifically comprise:
If the voltage magnitude data in a certain bus of SCADA system a certain moment are respectively with SCADA system, the deviation of the voltage magnitude data in the adjacent previous moment of same bus and a rear moment has one at least at 2 × 0.3% (voltage accuracies that SCADA measures), namely 0.6% scope in, then the voltage magnitude data in a certain bus of SCADA system a certain moment are the correct data measured;
If the voltage magnitude data in a certain bus of SCADA system a certain moment are the required precision scope of the deviation of the voltage magnitude data in the adjacent previous moment of same bus and a rear moment all more than 0.6% with SCADA system respectively, enter step 5;
The voltage magnitude data in a certain bus of step 5:SCADA system a certain moment and the voltage magnitude calculated value of same bus synchronization compare, and specifically comprise:
The voltage magnitude calculated value of same bus synchronization is according to resistance, the reactance data of the voltage magnitude data place circuit in a certain bus of the SCADA system in CIM a certain moment, and the end active power of synchronization circuit, reactive power and top voltage magnitude data calculate;
If the deviation of the voltage magnitude of the voltage magnitude data in a certain bus of SCADA system a certain moment and same bus synchronization is at 0.3% (voltage accuracy that SCADA measures)+0.5% (precision of voltage magnitude calculated value), namely 0.8% scope in, then judge that the voltage magnitude data in a certain bus of SCADA system a certain moment are the correct data measured;
If the required precision scope of the deviation of the voltage magnitude of the voltage magnitude data in a certain bus of SCADA system a certain moment and same bus synchronization more than 0.8%, judge that SCADA system voltage magnitude data are the metric data of mistake, adopt the voltage magnitude data of the voltage magnitude calculated value of same bus synchronization to a certain bus of the SCADA system a certain moment to revise.
Above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field still can modify to the specific embodiment of the present invention or equivalent replacement; and these do not depart from any amendment of spirit and scope of the invention or equivalent replacement, it is all being applied within the claims of the present invention awaited the reply.
Claims (8)
1. a power distribution network SCADA system voltage data modification method, be provided with in the electric power system of power distribution network with the use of SCADA system and PMU system; Described SCADA system is for gathering the service data of power distribution network and electric power system described in Monitor and Control; Described PMU system is used for real-time dynamic monitoring and analyzes the dynamic process of described electric power system; It is characterized in that, described method comprises the steps:
Step 1. reads arbitrary the bus SCADA voltage magnitude data at any one time in described SCADA system;
Step 2. judges whether described SCADA voltage magnitude is greater than voltage compare value;
If so, then step 3 is entered;
If not, then step 4 is entered;
Step 3. judges whether there is correct logout in the run case record of described SCADA system;
If so, then described SCADA voltage magnitude data are correct measurement data, and export current event situation;
If not, then described SCADA voltage magnitude data are the measurement data of mistake, enter step 7;
Step 4. judges whether there are the PMU voltage magnitude data of same bus at synchronization in described PMU system;
If so, then step 5 is entered;
If not, then step 6 is entered;
Step 5. judges whether the difference of described SCADA voltage magnitude and described PMU voltage magnitude is less than or equal to the first difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then described SCADA voltage magnitude data are the metric data of mistake, adopt described PMU voltage magnitude to revise described SCADA voltage magnitude data, return step 1;
Step 6. judges, in the difference of described SCADA voltage magnitude data and the current previous moment of described SCADA voltage magnitude data of described bus and the SCADA voltage magnitude data in a rear moment, whether to have at least one to be less than or equal to the second difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then step 7 is entered;
Step 7. judges whether the difference of described SCADA voltage magnitude and its voltage magnitude calculated value with bus and is in the same time less than or equal to the 3rd difference upper limit;
If so, then described SCADA voltage magnitude data are the correct data measured, and return step 1;
If not, then described SCADA voltage magnitude data are the metric data of mistake, adopt described voltage magnitude calculated value to revise described SCADA voltage magnitude data; Return step 1.
2. the method for claim 1, is characterized in that, the described voltage compare value in described step 2 is the system busbar rated voltage amplitude of 2 times.
3. the method for claim 1, is characterized in that, the described PMU of the employing in described step 5 voltage magnitude is revised described SCADA voltage magnitude data, comprising:
The voltage magnitude data of described PMU system same bus synchronization are adopted directly to replace described SCADA voltage magnitude data.
4. method as claimed in claim 3, it is characterized in that, described first difference upper limit in described step 5 equals the summation of the error limit of described SCADA voltage magnitude and described PMU voltage magnitude.
5. the method for claim 1, is characterized in that, described second difference upper limit in described step 6 equals 2 times of the error limit of described SCADA voltage magnitude.
6. the method for claim 1, is characterized in that, the described voltage magnitude calculated value U in described step 7
saccording to resistance R, the reactance X data of the voltage magnitude data place circuit in a certain bus of the described SCADA system a certain moment in CIM, and the top active-power P of circuit described in synchronization, reactive power Q and terminal voltage amplitude U
ldata calculate and obtain;
Corresponding in a circuit time, top voltage U
sand end point voltage U
lbe respectively:
7. method as claimed in claim 6, it is characterized in that, the described voltage magnitude of the employing in described step 7 calculated value is revised by the carrying out to described SCADA voltage magnitude data, comprising:
Adopt described SCADA system with bus and voltage magnitude calculated value data in the same time directly replace described SCADA voltage magnitude data.
8. method as claimed in claim 7, it is characterized in that, described 3rd difference upper limit in described step 7 equals the summation of the error limit of described SCADA voltage magnitude and described voltage magnitude calculated value.
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| CN107453484A (en) * | 2017-08-24 | 2017-12-08 | 国网辽宁省电力有限公司 | A kind of SCADA data calibration method based on WAMS information |
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| CN110008285B (en) * | 2019-03-26 | 2024-01-26 | 国网上海市电力公司 | Intelligent power distribution network information integration system and method containing miniature synchronous phasor measurement |
| CN111523079A (en) * | 2020-04-29 | 2020-08-11 | 广西电网有限责任公司河池宜州供电局 | Method for improving and self-checking load report of dispatching automation system |
| RU2744318C1 (en) * | 2020-07-08 | 2021-03-05 | федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ) | System for monitoring and managing quality of electrical energy in industrial energy regions of 6-220 kv |
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