CN108287290A - A kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid - Google Patents
A kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid Download PDFInfo
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- CN108287290A CN108287290A CN201711415076.0A CN201711415076A CN108287290A CN 108287290 A CN108287290 A CN 108287290A CN 201711415076 A CN201711415076 A CN 201711415076A CN 108287290 A CN108287290 A CN 108287290A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/088—Aspects of digital computing
Abstract
The invention discloses a kind of power grid cascading fault pre-alarming analysis systems based on the operation of big regional power grid, belong to power grid security technical field, including secondary failure early warning monitoring unit, power grid catastrophe failure analysis assessment system, level fault early warning monitoring unit, Data Centralized Processing unit, failure off-line calculation unit, default operation of power networks reliability model and inspection mobile terminal, by off-line calculation result compared with operation of power networks reliability model, judge simultaneously early warning operation of power networks failure, and judges whether big regional power grid operation has cascading failure.The present invention can be directed to potential catastrophe failure present in power grid and provide alert, and various catastrophe failures are assessed, and anticipation early warning is carried out to failure, enable analysis real time implementation, both the workload of routine work had been alleviated, can be important load is continuous, reliable power supply provides the necessary technical guarantee on the basis of ensureing power grid security.
Description
Technical field
The present invention relates to a kind of operation of power networks fault pre-alarming analysis systems, are transported based on big regional power grid more particularly to one kind
Capable power grid cascading fault pre-alarming analysis system, belongs to power grid security technical field.
Background technology
The large power system accident caused by cascading failure, such as the U.S. on the 8th of September in 2011 west frequently occur both at home and abroad within nearly 2 years
South Pacific Ocean mains breakdown, Arizona State, Southern California, Baja California and Mexico some areas include that entire sage changes
Dagger-axe area is all affected, and loses 7835 megawatts of load, has a power failure and is up to 12 hours, this accident is because of a 500kV line faults
It stops transport, successive failure occurs therewith for power grid, arrives grid disconnection collapse from the accident, and whole process continues 11 minutes, N-1 analyses
Can not analyze it is this because successive failure and caused by a wide range of power outages accident situation, because N-1 analysis for calculates analyze power grid
Mode is incorrect, and the actually circuit occurred stoppage in transit accident there is no successive failure generations before 2 months.
From power grid security angle very it is necessary to build the early warning of power grid cascading failure, analysis and assessment system, but
The work can not be competent at by being the deterministic parsings such as traditional N-1, N-2 method, and operation of power networks is sufficiently complex, during operation of power networks
The comprehensive power grid of needs calculate and support, the calculating such as generator output, load and grid equipment state in daily mode calculates
On data rest on artificial input data and calculate, not only loaded down with trivial details amount is big for data inputting, and cannot reflect the reality of power grid in time
Border operating condition significantly impacts the accuracy and speed that the method for operation calculates analysis, such as the meter of a normal maintenance mode
Calculate the method for operation that power grid before maintenance is collected firstly the need of mode personnel, including the load of each busbar and power generation injection rate, each
The operating status of a grid equipment is simultaneously inserted in calculating data, therefore, works out a kind of power grid run based on big regional power grid
Cascading failure prewarning analysis system is a problem to be solved.
Invention content
The main object of the present invention is to provide for a kind of power grid cascading fault pre-alarming run based on big regional power grid point
Analysis system for providing alert to potentially serious failure present in power grid, and carries out analysis assessment to various catastrophe failures.
The purpose of the present invention can reach by using following technical solution：
A kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid, including secondary failure early warning monitoring list
Member, power grid catastrophe failure analysis assessment system, level fault early warning monitoring unit, Data Centralized Processing unit, failure are counted offline
Calculate unit, default operation of power networks reliability model and inspection mobile terminal, the secondary failure early warning monitoring unit and described one
Grade fault pre-alarming monitoring unit communication connection, the secondary failure early warning monitoring unit are assessed with power grid catastrophe failure analysis
System is electrically connected, and the secondary failure early warning monitoring unit is used to carry out malfunction monitoring to operation of power networks in zonule, and to institute
It states level fault early warning monitoring unit and sends malfunction monitoring data, and receive its instruction, and receive the inspection mobile terminal hair
The inspection sent is as a result, the level fault early warning monitoring unit is connect with the Data Centralized Processing unit communications, the level-one
Fault pre-alarming monitoring unit carries out assessment of failure for the power grid important load in the big region to being made of multiple zonules, and
Early warning is monitored to distribution and distribution website surrounding enviroment, and to the Data Centralized Processing unit transmission data, and received
It is instructed, and receives the malfunction monitoring data that the secondary failure early warning monitoring unit is sent, the Data Centralized Processing unit
It is electrically connected respectively with failure off-line calculation unit and default operation of power networks reliability model, the Data Centralized Processing unit is used for
Summarize and handle information and instruction that the level fault early warning monitoring unit is sent, the failure off-line calculation unit for pair
Malfunction monitoring data carry out off-line calculation, and off-line calculation result is sent to the Data Centralized Processing unit, described default
Be preset with operation of power networks reliability model in operation of power networks reliability model, the Data Centralized Processing unit by the failure from
The off-line calculation result of line computation unit judges simultaneously early warning operation of power networks failure, and sentence compared with operation of power networks reliability model
Whether disconnected big regional power grid operation has cascading failure.
Preferable scheme is that the secondary failure early warning monitoring unit is also connect with load faulty monitoring unit, it is described negative
It is each from major network to distribution for the general distribution load in zonule by the way of power supply backward to carry malfunction monitoring unit
Level carries out power supply backward, realizes the malfunction monitoring to load.
In any of the above-described scheme preferably, the secondary failure early warning monitoring unit and the inspection mobile terminal it
Between connected by inspection communication base station wireless telecommunications, the inspection communication base station is built near distribution line or is established in distribution
In website.
In any of the above-described scheme preferably, the power grid catastrophe failure analysis assessment system uses short-term based on power grid
The cascading failure of operational reliability is predicted and risk assessment, to power networks risk of the power grid under real-time operating condition, especially
It is that cascading failure carries out Risk-warning, monitoring distribution running equipment self health status, external environment condition, system operation behavior
And service condition, risk assessment is carried out to the various failure behaviors of power grid by Operation of Electric Systems reliability.
In any of the above-described scheme preferably, the secondary failure early warning monitoring unit also respectively with distribution site disasters
Monitoring unit is connected with crucial Distribution Network Failure monitoring unit, and the key Distribution Network Failure monitoring unit is used to carry out crucial distribution
Malfunction monitoring, and monitoring data are sent to the secondary failure early warning monitoring unit, the distribution site disasters monitoring unit
For carrying out malfunction monitoring to power distribution station point, and monitoring data are sent to the secondary failure early warning monitoring unit, described two
Grade fault pre-alarming monitoring unit is used to carry out malfunction monitoring to the operation of power networks state in zonule, to the level fault early warning
Monitoring unit sends the malfunction monitoring data to operation of power networks status monitoring in zonule, and receives the pre- police commissioner of the level fault
Control the control instruction of unit.
In any of the above-described scheme preferably, the level fault early warning monitoring unit divides with important load failure respectively
Analysis assessment unit connect with environmental monitoring prewarning unit, the important load accident analysis assessment unit for important load into
Row accident analysis and assessment, the environmental monitoring prewarning unit for being monitored early warning to environment, at least wrap by the monitoring of environment
Include wind speed disturbance, wind speed disturbance includes gust disturbances and gradual change wind disturbance, the level fault early warning monitoring unit for by
The big regional power grid operation overall status of multiple zonule compositions carries out malfunction monitoring, to the secondary failure early warning monitoring
Unit sends malfunction monitoring instruction, and the malfunction monitoring data that the secondary failure early warning monitoring unit received is sent are sent out
It send to the Data Centralized Processing unit, and receives the control instruction of the Data Centralized Processing unit.
In any of the above-described scheme preferably, the default operation of power networks reliability model and the Data Centralized Processing
Unit connects, and line outage probabilistic model, base based on transmission trend are preset in the default operation of power networks reliability model
In the generator stoppage in transit probabilistic model of frequency and voltage and load synthesis probabilistic model based on frequency and busbar voltage.
In any of the above-described scheme preferably, the Data Centralized Processing unit also respectively with distributed storage unit and
Distributed data library unit, the distributed storage unit is for being divided the data of the Data Centralized Processing cell processing
Cloth stores；The distributed data library unit is used to provide default distributed data base for the Data Centralized Processing unit.
In any of the above-described scheme preferably, the Data Centralized Processing unit respectively with diversification display unit and base
Plinth software support unit connects, and the diversification display unit is used to provide the diversification display interface of system, and the basis is soft
Part support unit is for providing system operating software, and the Data Centralized Processing unit is for summarizing and handling the level fault
The information and instruction that early warning monitoring unit is sent, and control instruction is sent to the level fault early warning monitoring unit, transfer institute
The model in the data and the default operation of power networks reliability model in failure off-line calculation unit is stated, and by the data and is somebody's turn to do
Model is compared.
In any of the above-described scheme preferably, the Data Centralized Processing unit also connects with on-line early warning computing system
It connects, the on-line early warning computing system is that the on-line early warning based on given calculation formula calculates, and early warning calculates content and includes at least
The economical operation of the capacity-load ratio of equipment, the load distribution of power grid and transformer is assessed.
The advantageous effects of the present invention：Power grid cascading fault pre-alarming according to the invention based on the operation of big regional power grid
Analysis system, the power grid cascading fault pre-alarming analysis system provided by the invention based on the operation of big regional power grid can be directed to electricity
Potential catastrophe failure present in net provides alert, and assesses various catastrophe failures, and to failure prejudge pre-
It is alert, enable analysis real time implementation, both alleviated the workload of routine work, can be important on the basis of ensureing power grid security
Guarantee that load is continuous, reliable power supply provides the necessary technical.
Description of the drawings
Fig. 1 be it is according to the invention based on big regional power grid operation power grid cascading fault pre-alarming analysis system one preferably
The overall structure diagram of embodiment.
In figure：1- on-line early warning computing systems, 2- distributed data library units, 3- distributed storage units, the bases 4- are soft
Part support unit, 5- diversification display units, 6- Data Centralized Processing units, 7- preset operation of power networks reliability model, 8- events
Hinder off-line calculation unit, 9- level fault early warning monitoring units, 10- important load accident analysis assessment units, 11- environmental monitorings
Prewarning unit, 12- secondary failure early warning monitoring units, 13- key Distribution Network Failure monitoring unit, the analysis of 14- power grid catastrophe failures
Assessment system, 15- distribution site disasters monitoring unit, 16- load faulty monitoring unit, 17- inspection communication base stations, 18- inspections
Mobile terminal.
Specific implementation mode
To make the more clear and clear technical scheme of the present invention of those skilled in the art, with reference to embodiment and attached drawing
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of power grid cascading fault pre-alarming analysis based on the operation of big regional power grid provided in this embodiment
System, including secondary failure early warning monitoring unit 12, power grid catastrophe failure analysis assessment system 14, level fault early warning monitoring list
Member 9, Data Centralized Processing unit 6, failure off-line calculation unit 8, default operation of power networks reliability model 7 and inspection mobile terminal
18, the secondary failure early warning monitoring unit 12 is connected with the level fault early warning monitoring unit 9 communication, the secondary failure
Early warning monitoring unit 12 is electrically connected with power grid catastrophe failure analysis assessment system 14, the secondary failure early warning monitoring unit
12 to operation of power networks in zonule for carrying out malfunction monitoring, and sends failure prison to the level fault early warning monitoring unit 9
Measured data, and its instruction is received, and the inspection of the transmission of inspection mobile terminal 18 is received as a result, the pre- police commissioner of the level fault
It controls unit 9 to connect with the Data Centralized Processing unit 6 communication, the level fault early warning monitoring unit 9 is used for by multiple
Power grid important load in the big region of zonule composition carries out assessment of failure, and is carried out to distribution and distribution website surrounding enviroment
Monitoring and warning, and to 6 transmission data of Data Centralized Processing unit, and its instruction is received, receive the secondary failure early warning
The malfunction monitoring data that monitoring unit 12 is sent, the Data Centralized Processing unit 6 respectively with failure off-line calculation unit 8 and
Default operation of power networks reliability model 7 is electrically connected, and the Data Centralized Processing unit 6 is for summarizing and handling the level fault
The information and instruction that early warning monitoring unit 9 is sent, the failure off-line calculation unit 8 are used to carry out malfunction monitoring data offline
It calculates, and off-line calculation result is sent to the Data Centralized Processing unit 6, the default operation of power networks reliability model 7
It is inside preset with operation of power networks reliability model, the Data Centralized Processing unit 6 is offline by the failure off-line calculation unit 8
Result of calculation judges simultaneously early warning operation of power networks failure compared with operation of power networks reliability model, and judges big regional power grid operation
Whether there is cascading failure.
Further, in the present embodiment, as shown in Figure 1, the secondary failure early warning monitoring unit 12 is also former with load
Hinder monitoring unit 16 to connect, the load faulty monitoring unit 16 is by the way of power supply backward for the common confession in zonule
Every aspect of the electric load from major network to distribution carries out power supply backward, realizes that the malfunction monitoring to load, the secondary failure are pre-
It is connected by 17 wireless telecommunications of inspection communication base station between alert monitoring unit 12 and the inspection mobile terminal 18, the inspection is logical
Base station 17 is interrogated to build near distribution line or establish in distribution website.
Further, in the present embodiment, as shown in Figure 1, power grid catastrophe failure analysis assessment system 14 uses base
In the cascading failure prediction and risk assessment of power grid short-term operational reliability, to operation of power networks of the power grid under real-time operating condition
Risk, especially cascading failure carry out Risk-warning, and monitoring distribution running equipment self health status, is at external environment condition
System operation action and service condition carry out risk assessment, institute by Operation of Electric Systems reliability to the various failure behaviors of power grid
State secondary failure early warning monitoring unit 12 also respectively with distribution site disasters monitoring unit 15 and crucial Distribution Network Failure monitoring unit
13 connections, the key Distribution Network Failure monitoring unit 13 send monitoring data for carrying out malfunction monitoring to crucial distribution
To the secondary failure early warning monitoring unit 12, the distribution site disasters monitoring unit 15 is used to carry out failure to power distribution station point
Monitoring, and monitoring data are sent to the secondary failure early warning monitoring unit 12, the secondary failure early warning monitoring unit 12
For carrying out malfunction monitoring to the operation of power networks state in zonule, sent to the level fault early warning monitoring unit 9 to small
The malfunction monitoring data of operation of power networks status monitoring in region, and the control for receiving the level fault early warning monitoring unit 9 refers to
It enables.
Further, in the present embodiment, as shown in Figure 1, the level fault early warning monitoring unit 9 is born with important respectively
It carries accident analysis assessment unit 10 and environmental monitoring prewarning unit 11 connects, the important load accident analysis assessment unit 10 is used
In carrying out accident analysis and assessment to important load, the environmental monitoring prewarning unit 11 is used to be monitored early warning to environment,
The monitoring of environment is disturbed including at least wind speed, and wind speed disturbance includes gust disturbances and gradual change wind disturbance, the level fault early warning
Monitoring unit 9 is used to carry out malfunction monitoring to the big regional power grid operation overall status being made of multiple zonules, to the institute
It states secondary failure early warning monitoring unit 12 and sends malfunction monitoring instruction, the secondary failure early warning monitoring unit 12 that will be received
The malfunction monitoring data sent are sent to the Data Centralized Processing unit 6, and receive the Data Centralized Processing list
The control instruction of member 6.
Further, in the present embodiment, as shown in Figure 1, the default operation of power networks reliability model 7 and the data
Centralized processing unit 6 connects, and it is general that the line outage based on transmission trend is preset in the default operation of power networks reliability model 7
Rate model, the generator stoppage in transit probabilistic model based on frequency and voltage and the load synthesis probability mould based on frequency and busbar voltage
Type, the Data Centralized Processing unit 6 also respectively with distributed storage unit 3 and distributed data library unit 2, the distribution
The data that storage unit 3 is used to handle the Data Centralized Processing unit 6 carry out distributed storage；The distributed data base
Unit 2 is used to provide default distributed data base for the Data Centralized Processing unit 6.
Further, in the present embodiment, as shown in Figure 1, the Data Centralized Processing unit 6 is shown with diversification respectively
Unit 5 and basic software support unit 4 connect, and the diversification display unit 5 is used to provide the diversification display interface of system,
The basic software support unit 4 is for providing system operating software, and the Data Centralized Processing unit 6 is for summarizing and handling
The information and instruction that the level fault early warning monitoring unit 9 is sent, and send and control to the level fault early warning monitoring unit 9
System instruction, transfers the mould in the data and the default operation of power networks reliability model 7 in the failure off-line calculation unit 8
Type, and the data are compared with the model, the Data Centralized Processing unit 6 is also connect with on-line early warning computing system 1,
The on-line early warning computing system 1 is that the on-line early warning based on given calculation formula calculates, and early warning calculating content, which includes at least, to be set
The load distribution of standby capacity-load ratio, power grid and the economical operation assessment of transformer.
In conclusion in the present embodiment, according to the power grid cascading failure based on the operation of big regional power grid of the present embodiment
Prewarning analysis system, the power grid cascading fault pre-alarming analysis system provided in this embodiment based on the operation of big regional power grid, can
It provides alert for potential catastrophe failure present in power grid, and various catastrophe failures is assessed, and failure is carried out
Early warning is prejudged, enables analysis real time implementation, has both alleviated the workload of routine work, it can be on the basis of ensureing power grid security
For important load is continuous, reliable power supply provides the necessary technical guarantee.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid, including secondary failure early warning monitoring list
Member（12）, power grid catastrophe failure analyze assessment system（14）, level fault early warning monitoring unit（9）, Data Centralized Processing unit
（6）, failure off-line calculation unit（8）, default operation of power networks reliability model（7）With inspection mobile terminal（18）, feature exists
In：The secondary failure early warning monitoring unit（12）With the level fault early warning monitoring unit（9）Communication connection, the two level
Fault pre-alarming monitoring unit（12）Assessment system is analyzed with the power grid catastrophe failure（14）Electrical connection, the secondary failure early warning
Monitoring unit（12）For carrying out malfunction monitoring to operation of power networks in zonule, and to the level fault early warning monitoring unit
（9）Malfunction monitoring data are sent, and receive its instruction, and receive the inspection mobile terminal（18）The inspection of transmission is as a result, institute
State level fault early warning monitoring unit（9）With the Data Centralized Processing unit（6）Communication connection, the pre- police commissioner of level fault
Control unit（9）Assessment of failure is carried out for the power grid important load in the big region to being made of multiple zonules, and to distribution
And distribution website surrounding enviroment are monitored early warning, and to the Data Centralized Processing unit（6）Transmission data, and receive it and refer to
It enables, receives the secondary failure early warning monitoring unit（12）The malfunction monitoring data sent, the Data Centralized Processing unit
（6）Respectively with failure off-line calculation unit（8）With default operation of power networks reliability model（7）It is electrically connected, in the data set
Manage unit（6）For summarizing and handling the level fault early warning monitoring unit（9）The information of transmission and instruction, the failure from
Line computation unit（8）For carrying out off-line calculation to malfunction monitoring data, and off-line calculation result is sent to the data set
Middle processing unit（6）, the default operation of power networks reliability model（7）Inside it is preset with operation of power networks reliability model, the number
According to centralized processing unit（6）By the failure off-line calculation unit（8）Off-line calculation result and operation of power networks reliability model
Compare, judge simultaneously early warning operation of power networks failure, and judges whether big regional power grid operation has cascading failure.
2. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The secondary failure early warning monitoring unit（12）Also with load faulty monitoring unit（16）Connection, the load event
Hinder monitoring unit（16）It is each from major network to distribution for the general distribution load in zonule by the way of power supply backward
Level carries out power supply backward, realizes the malfunction monitoring to load.
3. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The secondary failure early warning monitoring unit（12）With the inspection mobile terminal（18）Between base communicated by inspection
It stands（17）Wireless telecommunications connect, the inspection communication base station（17）It builds near distribution line or establishes in distribution website.
4. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The power grid catastrophe failure analyzes assessment system（14）Using the cascading failure based on power grid short-term operational reliability
It is pre- to carry out risk to power networks risk of the power grid under real-time operating condition, especially cascading failure for prediction and risk assessment
Alert, monitoring distribution running equipment self health status, external environment condition, system operation behavior and service condition pass through electric power
System operation reliability carries out risk assessment to the various failure behaviors of power grid.
5. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The secondary failure early warning monitoring unit（12）Also respectively with distribution site disasters monitoring unit（15）Match with key
Net malfunction monitoring unit（13）Connection, the key Distribution Network Failure monitoring unit（13）For carrying out failure prison to crucial distribution
It surveys, and monitoring data is sent to the secondary failure early warning monitoring unit（12）, the distribution site disasters monitoring unit
（15）For carrying out malfunction monitoring to power distribution station point, and monitoring data are sent to the secondary failure early warning monitoring unit
（12）, the secondary failure early warning monitoring unit（12）For carrying out malfunction monitoring to the operation of power networks state in zonule, to
The level fault early warning monitoring unit（9）The malfunction monitoring data to operation of power networks status monitoring in zonule are sent, and are connect
Receive the level fault early warning monitoring unit（9）Control instruction.
6. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The level fault early warning monitoring unit（9）Respectively with important load accident analysis assessment unit（10）And environment
Monitoring and warning unit（11）Connection, the important load accident analysis assessment unit（10）For carrying out failure point to important load
Analysis and assessment, the environmental monitoring prewarning unit（11）For being monitored early warning to environment, the monitoring of environment includes at least wind
Speed disturbance, wind speed disturbance includes gust disturbances and gradual change wind disturbance, the level fault early warning monitoring unit（9）For to by more
The big regional power grid operation overall status of a zonule composition carries out malfunction monitoring, to the secondary failure early warning monitoring list
Member（12）Send malfunction monitoring instruction, the secondary failure early warning monitoring unit that will be received（12）The malfunction monitoring sent
Data are sent to the Data Centralized Processing unit（6）, and receive the Data Centralized Processing unit（6）Control refer to
It enables.
7. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The default operation of power networks reliability model（7）With the Data Centralized Processing unit（6）Connection, it is described default
Operation of power networks reliability model（7）Inside it is preset with line outage probabilistic model based on transmission trend, based on frequency and voltage
Generator stoppage in transit probabilistic model and load synthesis probabilistic model based on frequency and busbar voltage.
8. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The Data Centralized Processing unit（6）Also respectively with distributed storage unit（3）With distributed data library unit
（2）, the distributed storage unit（3）For by the Data Centralized Processing unit（6）The data of processing carry out distribution and deposit
Storage；The distributed data library unit（2）For for the Data Centralized Processing unit（6）It provides and presets distributed data base.
9. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The Data Centralized Processing unit（6）Respectively with diversification display unit（5）With basic software support unit（4）
Connection, the diversification display unit（5）Diversification display interface for providing system, the basic software support unit
（4）For providing system operating software, the Data Centralized Processing unit（6）For summarizing and handling the level fault early warning
Monitoring unit（9）The information of transmission and instruction, and to the level fault early warning monitoring unit（9）Control instruction is sent, is transferred
The failure off-line calculation unit（8）Interior data and the default operation of power networks reliability model（7）Interior model, and should
Data are compared with the model.
10. a kind of power grid cascading fault pre-alarming analysis system based on the operation of big regional power grid according to claim 1,
It is characterized in that：The Data Centralized Processing unit（6）Also with on-line early warning computing system（1）Connection, the on-line early warning calculate
System（1）It is that the on-line early warning based on given calculation formula calculates, early warning calculates content and includes at least the capacity-load ratio of equipment, power grid
Load distribution and transformer economical operation assessment.
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| CN108923083A (en) * | 2018-07-27 | 2018-11-30 | 广西电网有限责任公司柳州供电局 | A method of battery on-line checking and maintenance based on risk assessment |
| CN112947364A (en) * | 2021-01-29 | 2021-06-11 | 上海工程技术大学 | System and method for early warning of equipment faults of power distribution station based on big data |
| CN113252968A (en) * | 2021-04-12 | 2021-08-13 | 国网河北省电力有限公司沧州供电分公司 | Method for restraining power grid fault overvoltage of offshore shore power flexible-direct system |
| CN115166494A (en) * | 2022-09-07 | 2022-10-11 | 南京银逸智能科技有限公司 | Intelligent IT online circuit detection monitoring device |
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