CN109255509A - A kind of wind fire bundling Energy Base alternating current-direct current sends safety monitoring method and system outside - Google Patents
A kind of wind fire bundling Energy Base alternating current-direct current sends safety monitoring method and system outside Download PDFInfo
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Abstract
The present invention relates to a kind of wind fire bundling Energy Base alternating current-direct currents to send safety monitoring method and system outside, determine that wind fire bundling sends operational monitoring value index, safety index value outside this method comprises: sending security monitoring data outside according to wind fire bundling and constructing, multiple safety index values are sent outside according to the wind fire bundling determines that wind fire bundling sends comprehensive assessment coefficient outside, comprehensive assessment coefficient is further sent outside according to the wind fire bundling and determines that wind fire bundling sends actual time safety Data Trend Monitor index outside, and multiple target real-time tendency monitoring index is sent outside according to the wind fire bundling and carries out early warning；Using the technical solution, by sending measurement, prediction, dispatch plan data source outside to fiery bundling of giving a dinner for a visitor from afar, it is online to determine that wind fire bundling Energy Base alternating current-direct current sends actual time safety variation tendency index outside, Real-time Alarm is carried out according to the multiple target real-time tendency monitoring index, the control ability that operations staff sends scene operation conditions outside to wind fire bundling Energy Base is effectively improved, and then improves the stability of Operation of Electric Systems.
Description
Technical field
The present invention relates to safe operation of power system and control field, and in particular to a kind of wind fire bundling Energy Base friendship is straight
Stream sends safety monitoring method and system outside.
Background technique
Each large size Energy Base gradually has large-scale wind power field and large capacity thermal motor with the deep development of energy technology
Group is built up and puts into operation successively, since wind power has uncertainty, may cause the random power for occurring millions of kilowatts and lacks
Volume constitutes a threat to power network safety operation, and at this stage, the resource of comprehensive core energy development area coal and wind energy is excellent
Wind-powered electricity generation is sent outside with nearest thermoelectricity bundling by extra-high voltage direct-current, not only may be implemented smoothly to contribute, make passway for transmitting electricity power by gesture
Held stationary is to meet the requirement of AC and DC transmission, while passway for transmitting electricity utilization rate can also greatly improve, using wind fire bundling wind
It is the effective way for alleviating large-scale wind power base market " bottleneck " that fiery bundling, which is sent outside, still, due to wind fire bundling wind fire bundling
The factor that operation stability is influenced during sending outside is more, and wind fire bundling Energy Base wind fire bundling, which is sent outside, also faces preceding institute not
Some operation risks；
Therefore it is urgent to provide a kind of reasonable and stable wind fire bundling Energy Base wind fire bundlings to send method for safety monitoring outside
And system, personnel are fully-operational to the surveillance coverage of system maintenance level, improve control of the operations staff to system maintenance level
Ability.
In terms of feasibility, as grid simulation technology, the communication technology, PMU wide area measurement technology etc. are grown rapidly, establish
The basis that wind fire bundling Energy Base wind fire bundling sends multiple target security system outside has been provided with.
Summary of the invention
The present invention provides a kind of wind fire bundling Energy Base alternating current-direct current and sends safety monitoring method and system outside, and the purpose is to bases
In measurement, prediction, operation plan multi-source data, constructs and determine the operational monitoring value index of wind fire bundling Energy Base, refer to safely
Scale value, comprehensive assessment coefficient and its real-time change trend indicator, and then according to the real-time change trend indicator of more monitoring quantities
Real-time Alarm is carried out, described method and system can be improved operations staff and send scene operation conditions outside to wind fire bundling Energy Base
Control ability, and then improve Operation of Electric Systems stability.
The purpose of the present invention is adopt the following technical solutions realization:
A kind of wind fire bundling Energy Base alternating current-direct current sends method for safety monitoring outside, it is improved in that the method packet
It includes:
Security monitoring data are sent outside according to wind fire bundling determines that wind fire bundling sends operational monitoring value index and safety index outside
Value；
Safety index value is sent outside according to the wind fire bundling determines that wind fire bundling sends comprehensive assessment coefficient outside；
Safety index value is sent outside according to the wind fire bundling and comprehensive assessment coefficient determines that wind fire bundling sends actual time safety outside
Data Trend Monitor index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor index is accused
It is alert；
Wherein, the wind fire bundling sends security monitoring data outside and sends the acquisition of Multi-target Data source, institute outside by wind fire bundling
Stating wind fire bundling and sending Multi-target Data source outside includes: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction data source outside
Dispatch plan data source is sent outside with wind fire bundling.
Preferably, the wind fire bundling sends metric data source outside, comprising: is obtained by smart grid supporting system technology
It is the grid model data that takes, the real time execution floor data that power grid is obtained by the state estimation function of network analysis applications, logical
Cross the PMU metric data of Wide Area Measurement System acquisition, the field failure information obtained by high-precision oscillograph or disturbance information
With the wind electric field blower real time information obtained by wind-powered electricity generation real-time monitoring system；
The wind fire bundling sends prediction data source outside, comprising: by honourable associated prediction forecast system obtain it is short-term and
The new energy power prediction information of ultra-short term；
The wind fire bundling sends dispatch plan data source outside, comprising: the extreme misery obtained by Hydro-Thermal Systems generation schedule system
The daily trading planning data of power plant, maintenance plan data, mediation plan data and load prediction data；
Wherein, the real time execution floor data, comprising: power grid QS file, DAT Load flow calculation file and SWI transient state are steady
Devise a stratagem counts evidence；
The PMU metric data, comprising: substation bus bar voltage magnitude, phase angle, route active power, route is idle function
Rate and normal power supplies active reactive power output, generator terminal busbar voltage, phase angle information；
The wind electric field blower real time information, comprising: power information and interface busbar voltage information are sent out in wind power plant outlet.
Preferably, however, it is determined that the current wind fire bundling of wind fire bundling Energy Base sends safety index value outside, then obtains wind fire
The data source that bundling sends security monitoring data outside is that wind fire bundling sends metric data source outside；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send outside
The data source of security monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.
Preferably, security monitoring data are sent outside according to wind fire bundling and determines that wind fire bundling sends operational monitoring value index outside, wrapped
It includes: determining channel current power accounting index w1 as the following formula:
In formula,To specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is structure
At the channel of section, NwFor the number of channels for constituting section；Whether real-time monitoring w1 is allowing that w1 < need to be met in range of operation
W1max, wherein (0.7,0.9) w1max ∈；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
In formula, W1For the practical power output of wind-powered electricity generation, W2For actual power power outputs whole in statistical regions.Wherein w2 range of operation needs
It can determine that according to actual electric network source net harmony.
Preferably, security monitoring data are sent outside according to wind fire bundling and determines that wind fire bundling sends safety index value outside, comprising: pressed
Following formula determines circuit overload situation accounting index A1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is that individually the mode of cut-offfing was descended
Carry the quantity of route, Lj(t) deep to take jth time to cut-off the overload for overloading kth route in route that number under mode is 1-Q
Degree；Wherein j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off under mode
Overload the number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off electricity under mode
Pressure gets over the quantity of point of accumulation, Vj(t) to take jth time to cut-off in the out-of-limit voltage bus that number is 1-Q under mode getting over for the t articles bus
Limit depth, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off
The number of voltage out-of-limit point under mode；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set.
Preferably, described safety index value is sent outside according to the wind fire bundling to determine that wind fire bundling sends comprehensive assessment system outside
Number, comprising:
The outer pushing electric network static state robustness metewand A of wind fire bundling is determined as the following formulax:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route most serious offense
Load degree index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit
The weight of situation accounting index, a3For the weight of route maximum overload degree index, a4For the power of the maximum out-of-limit depth index of voltage
Weight, wherein a1+a2+a3+a4=1；
Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4
For dynamic buckling statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For
The weight of frequency unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
Preferably, it is described according to wind fire bundling send outside comprehensive assessment coefficient determine wind fire bundling send outside actual time safety trend prison
Survey index, comprising:
Determine that wind fire bundling sends actual time safety Data Trend Monitor index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
First data point index, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y
Send the power grid static state robustness metewand A in comprehensive assessment coefficient outside for wind fire bundlingxOr wind fire bundling sends comprehensive assessment outside
Failure unstability rate metewand B in coefficientx。
It is preferably, described that the progress early warning of real-time tendency monitoring index is sent outside according to wind fire bundling, comprising:
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first operation
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second than index
Range of operation, if so, carrying out alarm or early warning；If it is not, then redefining wind fire bundling sends operational monitoring value index and wind outside
Fiery bundling sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety outside according to the wind fire bundling
Data Trend Monitor index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ >
0, then carry out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling sends reality outside
When Security Trend monitoring index, and operational monitoring value index or actual time safety Data Trend Monitor index are sent outside according to the wind fire bundling
It is alerted.A kind of wind fire bundling Energy Base alternating current-direct current sends safety monitoring system outside, it is improved in that the system packet
It includes:
Safety index determining module determines that wind fire bundling sends operation outside for sending security monitoring data outside according to wind fire bundling
Monitor value index and safety index value coefficient of colligation determining module are determined for sending safety index value outside according to the wind fire bundling
Wind fire bundling sends comprehensive assessment coefficient outside；
Trend indicator determining module determines that wind fire bundling is sent outside for sending comprehensive assessment coefficient outside according to the wind fire bundling
Actual time safety Data Trend Monitor index；
Alarm module, for sending operational monitoring value index or the progress of real-time tendency monitoring index outside according to the wind fire bundling
Early warning or display alarm；
Wherein, the wind fire bundling sends security monitoring data outside and sends target data source acquisition outside by wind fire bundling, described
It includes: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction data source and wind outside that wind fire bundling, which sends target data source outside,
Fiery bundling sends dispatch plan data source outside.
Preferably, the wind fire bundling sends metric data source outside, comprising: is obtained by smart grid supporting system technology
The state estimation function of the grid model data, network analysis applications that take obtains the real time execution floor data of power grid, by wide
PMU metric data that domain measurement system obtains, the field failure information obtained by high-precision oscillograph or disturbance information and logical
Cross the wind electric field blower real time information of wind-powered electricity generation real-time monitoring system acquisition；
The wind fire bundling sends prediction data source outside, comprising: by honourable associated prediction forecast system obtain it is short-term and
The new energy power prediction information of ultra-short term；
The wind fire bundling sends dispatch plan data source outside, including the Hydro-Thermal Systems obtained by Hydro-Thermal Systems generation schedule system
The daily trading planning data of factory, maintenance plan data, mediation plan data and load prediction data；
Wherein, the real time execution floor data, comprising: power grid QS file, DAT Load flow calculation file and SWI transient state are steady
Devise a stratagem counts evidence；
The PMU metric data, comprising: bus voltage amplitude, phase angle, route active power and route reactive power；
The wind electric field blower real time information, comprising: power information and interface busbar voltage information are sent out in wind power plant outlet.
Preferably, however, it is determined that the current wind fire bundling of wind fire bundling Energy Base sends safety index value outside, then obtains wind fire
The data source that bundling sends security monitoring data outside is that wind fire bundling sends metric data source outside；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send outside
The data source of security monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.
Preferably, the safety index determining module, comprising:
Operational monitoring value index determination unit, is used for: channel current power accounting index w1 is determined as the following formula:
In formula,To specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is structure
At the channel of section, NwFor the number of channels for constituting section, whether real-time monitoring w1 is allowing that w1 < need to be met in range of operation
W1max, wherein (0.7,0.9) w1max ∈；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
In formula, W1 is the practical power output of wind-powered electricity generation, and W2 is whole actual power power outputs in statistical regions, and wherein w2 range of operation needs
It can determine that according to actual electric network source net harmony；
Safety index determination unit, is used for: determining circuit overload situation accounting index A as the following formula1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is that individually the mode of cut-offfing was descended
Carry the quantity of route, Lj(t) deep to take jth time to cut-off the overload for overloading kth route in route that number under mode is 1-Q
Degree；Wherein j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off under mode
Overload the number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off electricity under mode
Pressure gets over the quantity of point of accumulation, Vj(t) to take jth time to cut-off in the out-of-limit voltage bus that number is 1-Q under mode getting over for the t articles bus
Limit depth, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off
The number of voltage out-of-limit point under mode；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set.
Preferably, the coefficient of colligation determining module, is used for: determining the outer pushing electric network static state robustness of wind fire bundling as the following formula
Metewand Ax:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route most serious offense
Load degree index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit
The weight of situation accounting index, a3For the weight of route maximum overload degree index, a4For the power of the maximum out-of-limit depth index of voltage
Weight, wherein a1+a2+a3+a4=1；
Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4
For dynamic buckling statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For
The weight of frequency unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
Preferably, the trend indicator determining module, is used for:
Determine that wind fire bundling sends real-time tendency monitoring index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
First data point index, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y
Send the power grid static state robustness metewand A in comprehensive assessment coefficient outside for wind fire bundlingxOr wind fire bundling sends comprehensive assessment outside
Failure unstability rate metewand B in coefficientx。
Preferably, the alarm module, is used for
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first operation
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second than index
Range of operation, if so, carrying out alarm or early warning；If it is not, then redefining wind fire bundling sends operational monitoring value index and wind outside
Fiery bundling sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety outside according to the wind fire bundling
Data Trend Monitor index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ >
0, then carry out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling sends reality outside
When Security Trend monitoring index, and operational monitoring value index or actual time safety Data Trend Monitor index are sent outside according to the wind fire bundling
It is alerted.Compared with prior art, the present invention also has the following beneficial effects:
The technical solution adopted by the present invention sends security monitoring data outside according to wind fire bundling and determines that wind fire bundling sends safety outside
Index value sends safety index value outside according to the wind fire bundling and determines that wind fire bundling sends comprehensive assessment coefficient outside, according to the wind
Fiery bundling sends comprehensive assessment coefficient outside and determines that wind fire bundling sends real-time tendency monitoring index outside, and is sent outside according to the wind fire bundling
Real-time tendency monitoring index carries out early warning；The present invention is based on existing electric power system data sources to determine Energy Base wind fire bundling wind
The current operation trend index and the following short-term operation trend indicator that fiery bundling is sent outside, and timely alarm prompt, effectively increase
The control and monitoring and passway for transmitting electricity utilization rate of safe operation of power system, ensure that stabilization that wind fire bundling wind fire bundling is sent outside and
Efficient operation.
Detailed description of the invention
Fig. 1 is the flow chart that wind fire bundling Energy Base alternating current-direct current of the embodiment of the present invention sends method for safety monitoring outside；
Fig. 2 is that wind fire bundling Energy Base alternating current-direct current of the embodiment of the present invention sends method for safety monitoring multi objective radar asorbing paint outside
Schematic diagram；
Fig. 3 is the structural schematic diagram that wind fire bundling Energy Base alternating current-direct current of the embodiment of the present invention sends safety monitoring system outside.
Specific embodiment
It elaborates with reference to the accompanying drawing to a specific embodiment of the invention.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of wind fire bundling Energy Base wind fire bundlings to send safety monitoring method and system outside, below into
Row explanation.
Development based on grid simulation technology, the communication technology and PMU wide area measurement technology provides wind fire bundling Energy Base
Wind fire bundling sends preventing control method outside and the basis of system has been provided with；
Fig. 1 shows the process that apoplexy fire bundling Energy Base alternating current-direct current of the embodiment of the present invention sends method for safety monitoring outside
Figure, as shown in Figure 1, the method may include:
101. sending security monitoring data outside according to wind fire bundling determines that wind fire bundling sends operational monitoring value index and safety outside
Index value；
102. sending safety index value outside according to the wind fire bundling determines that wind fire bundling sends comprehensive assessment coefficient outside；
103. sending safety index value outside according to the wind fire bundling and comprehensive assessment coefficient determining that wind fire bundling is sent outside in real time
Security Trend monitoring index, and according to the wind fire bundling send outside operational monitoring value index or actual time safety Data Trend Monitor index into
Row alarm；
Wherein, the wind fire bundling sends security monitoring data outside and sends the acquisition of Multi-target Data source, institute outside by wind fire bundling
Stating wind fire bundling and sending Multi-target Data source outside may include: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction number outside
Dispatch plan data source is sent outside according to source and wind fire bundling.
The wind fire bundling sends metric data source outside, may include: to be obtained by smart grid supporting system technology
Grid model data, the real time execution floor data of power grid obtained by the state estimation functions of network analysis applications, is passed through
PMU metric data that Wide Area Measurement System obtains, the field failure information obtained by high-precision oscillograph or disturbance information and
The wind electric field blower real time information obtained by wind-powered electricity generation real-time monitoring system；The partial data constitutes whole system operating analysis base
Plinth, accident inversion and emulation are checked；Wherein, each wind electric field blower real time information fixed cycle in the form of standard E formatted file updates
On the interface server for sending safety monitoring system agreement outside to wind fire bundling alternating current-direct current；
The wind fire bundling sends prediction data source outside, may include: by the short of honourable associated prediction forecast system acquisition
The new energy power prediction information of phase and ultra-short term；Wherein, honourable associated prediction forecast system data are with standard E formatted file
Form fixed cycle is updated to wind fire bundling alternating current-direct current and sends outside on the interface server of safety monitoring system agreement；
The wind fire bundling sends dispatch plan data source outside, may include the water obtained by Hydro-Thermal Systems generation schedule system
The daily trading planning data of thermal power plant, maintenance plan data, mediation plan data and load prediction data；Hydro-Thermal Systems generation schedule
System data fixed cycle in the form of standard E formatted file is updated to wind fire bundling alternating current-direct current and sends safety monitoring system agreement outside
On interface server；
Above-mentioned data source constitutes foundation and the calculating source of monitoring wind fire bundling Energy Base alternating current-direct current delivery system.
Wherein, the real time execution floor data may include: power grid QS file, DAT Load flow calculation file and SWI temporary
State stability Calculation data；
The PMU metric data, may include: substation bus bar voltage magnitude, phase angle, route active power, route without
Function power and normal power supplies active reactive power output, generator terminal busbar voltage, phase angle information；
The wind electric field blower real time information may include: that power information and interface busbar voltage are sent out in wind power plant outlet
Information.
It is described to be sent outside before security monitoring data determine that wind fire bundling sends safety index value outside according to wind fire bundling, it can wrap
It includes wind fire bundling and sends the docking of security monitoring data, integration outside, realize more to wind-powered electricity generation, thermoelectricity, alternating current-direct current polymorphic type source net equipment
Target monitoring, Interworking Data source may include Dispatching Control System, with new energy to run closely related honourable associated prediction pre-
Reporting system, wind-powered electricity generation real-time monitoring system, Hydro-Thermal Systems generation schedule system, real-time perception system conditions and trail change
WAMS measurement information.
Wherein, however, it is determined that the current wind fire bundling of wind fire bundling Energy Base sends safety index value outside, then obtains wind fire and beat
The data source that bundle sends security monitoring data outside is that wind fire bundling sends metric data source outside；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send outside
The data source of security monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.；
It realizes that wind fire bundling alternating current-direct current sends the real-time monitoring and multiple target diagnosis of scene outside, multi-source data is analyzed, to influence
" wind fire bundling alternating current-direct current is sent outside " closely related three big " index cluster " of system safety operation is defined and calculates, every class index
It is normalized, is showed in the form of radar map and early warning；Operation of power networks status checkout is realized based on 3D simultaneously；
In order to be counted from the out-of-limit situation of static system level monitoring power grid and disqualification rate index, following reactions are defined
The out-of-limit statistics of power grid and the statistical indicator for reacting power grid transient state enabling capabilities carry out system safety monitoring: according to outside wind fire bundling
It send security monitoring data to determine that wind fire bundling sends operational monitoring value index outside, may include: determining channel current power as the following formula
Accounting index w1:
WhereinTo specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is structure
At the channel of section, NwFor the number of channels for constituting section.Whether real-time monitoring w1 is allowing that w1 < need to be met in range of operation
W1max, wherein (0.7,0.9) w1max ∈；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
W1For the practical power output of wind-powered electricity generation, W2For actual power power outputs whole in statistical regions.Wherein w2 range of operation needs basis
Actual electric network source net harmony can determine that.
Specifically, security monitoring data are sent outside according to wind fire bundling and determines that wind fire bundling sends safety index value outside, can wrap
It includes: determining circuit overload situation accounting index A as the following formula1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is that individually the mode of cut-offfing was descended
Carry the quantity of route, Lj(t) deep to take jth time to cut-off the overload for overloading kth route in route that number under mode is 1-Q
Degree；Wherein j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off under mode
Overload the number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off electricity under mode
Pressure gets over the quantity of point of accumulation, Vj(t) to take jth time to cut-off in the out-of-limit voltage bus that number is 1-Q under mode getting over for the t articles bus
Limit depth, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off
The number of voltage out-of-limit point under mode；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set；Fault set may include N-
1 failure, N-2 failure consider false protection failure, consider four classifications of relay fail failure.
Fig. 2 shows wind fire bundling Energy Base alternating current-direct currents of the embodiment of the present invention to send method for safety monitoring multi objective radar outside
Display schematic diagram, as shown in Fig. 2, determining can carry out index after above-mentioned wind fire bundling sends safety index value outside on radar map
Subregion is shown, by radar map, can fully understand the working condition of analysis system；3D Visual Dynamic exhibition can be provided simultaneously
Show and operating status inspection subfunction, building 3D model running engine are exhibition with wind-powered electricity generation, Photovoltaic new energy access alternating current-direct current power grid
Existing background, grid graph editor, geography information are blended, using modular design method, realize wind in a manner of B/S framework
Fiery bundling alternating current-direct current sends the three-dimensional display of multiple Run-time scenarios outside, is divided into cartography, map resource management, the comprehensive exhibition of scene
Show, aggregation of data shows 4 big functions.
Wherein, in figure level, realize that geography information support, pel and mark management, the operation of power grid basic figure (can
To include thermal power plant, wind field, photovoltaic plant, shaft tower, transmission line of electricity), graphic plotting and editor, 3D figure show, images outputting
Function；In service layer, completes electric network model linkage, data linkage, calculates analysis linkage, three-dimensional scenic management, operation side
Formula setting, more people simultaneously independent analytic function, provide trend Dynamic Display, section composition show, maximum transfer power show and
Constraint critical failure prompt, branch power nargin, dangerous forecast failure collection are shown.Provide operation of power networks status checkout roaming function
Can, can customized cruise camera position, angle and movement speed, roaming inspection, close-ups power grid are carried out to power grid
Operating status finds electrical network weak link in time.
According to A1-A4Building power grid cut-off disqualification rate overall target, reflect static security scanning there are voltage out-of-limit,
Circuit overload, transformer overload situation account for and all cut-off mode ratio and severity, can tentatively understand friendship from the proportional numbers
The static robustness of the outer pushing electric network of direct current；Safety index value is sent outside according to the wind fire bundling determines that wind fire bundling sends synthesis outside
Metewand may include:
The outer pushing electric network static state robustness metewand A of wind fire bundling is determined as the following formulax:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route most serious offense
Load degree index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit
The weight of situation accounting index, a3For the weight of route maximum overload degree index, a4For the power of the maximum out-of-limit depth index of voltage
Weight, wherein a1+a2+a3+a4=1；
According to B1-B4Electric network fault unstability rate overall target is constructed, reflects and carries out transient security scanning according to four class failures
When, all types of instability indexes account for whole fault set ratios and severity, can further appreciate that outside alternating current-direct current from the proportional numbers
The transient state robustness of pushing electric network；Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4
For dynamic buckling statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For
The weight of frequency unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
It is described comprehensive assessment coefficient is sent outside according to wind fire bundling to determine that wind fire bundling sends actual time safety Data Trend Monitor index outside,
May include:
Determine that wind fire bundling sends actual time safety Data Trend Monitor index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
First data point index, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y
Send the power grid static state robustness metewand A in comprehensive assessment coefficient outside for wind fire bundlingxOr wind fire bundling sends comprehensive assessment outside
Failure unstability rate metewand B in coefficientx。
It is described that the progress early warning of real-time tendency monitoring index is sent outside according to wind fire bundling, may include:
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first operation
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second than index
Range of operation, if so, carrying out alarm or early warning；If it is not, then redefining wind fire bundling sends operational monitoring value index and wind outside
Fiery bundling sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety outside according to the wind fire bundling
Data Trend Monitor index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ >
0, it indicates that degradating trend is presented in the index, then carries out alarm or early warning；If it is not, the corresponding instability index of the system of expression is dropping
Low, system operational excellence then redefines that wind fire bundling sends operational monitoring value index outside and wind fire bundling sends actual time safety outside and becomes
Gesture monitoring index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor index is accused
It is alert.
Wherein first range of operation are as follows: be less than channel current power accounting maximum value w1max, wherein w1max ∈
(0.7,0.9)；Second range of operation can determine that according to actual electric network source net harmony.
Fig. 3 shows the structural representation that wind fire bundling Energy Base alternating current-direct current of the embodiment of the present invention sends safety monitoring system outside
Figure, as shown in figure 3, the system may include:
Safety index determining module determines that wind fire bundling sends operation outside for sending security monitoring data outside according to wind fire bundling
Monitor value index and safety index value；
Coefficient of colligation determining module, for sending safety index value outside according to the wind fire bundling, to determine that wind fire bundling is sent outside comprehensive
Close metewand；
Trend indicator determining module determines that wind fire bundling is sent outside for sending comprehensive assessment coefficient outside according to the wind fire bundling
Actual time safety Data Trend Monitor index；
Alarm module, for sending operational monitoring value index or the progress of real-time tendency monitoring index outside according to the wind fire bundling
Early warning or display alarm；
Wherein, the wind fire bundling sends security monitoring data outside and sends target data source acquisition outside by wind fire bundling, described
It may include: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction data source outside that wind fire bundling, which sends target data source outside,
Dispatch plan data source is sent outside with wind fire bundling.
The wind fire bundling sends metric data source outside, may include: to be obtained by smart grid supporting system technology
Grid model data, network analysis applications state estimation function obtain power grid real time execution floor data, pass through wide area
PMU metric data, the field failure information that is obtained by high-precision oscillograph or the disturbance information and pass through that measuring system obtains
The wind electric field blower real time information that wind-powered electricity generation real-time monitoring system obtains；
The wind fire bundling sends prediction data source outside, may include: by the short of honourable associated prediction forecast system acquisition
The new energy power prediction information of phase and ultra-short term；
The wind fire bundling sends dispatch plan data source outside, may include the water obtained by Hydro-Thermal Systems generation schedule system
The daily trading planning data of thermal power plant, maintenance plan data, mediation plan data and load prediction data；
Wherein, the real time execution floor data may include: power grid QS file, DAT Load flow calculation file and SWI temporary
State stability Calculation data；
The PMU metric data may include: bus voltage amplitude, phase angle, route active power and the idle function of route
Rate；
The wind electric field blower real time information may include: that power information and interface busbar voltage are sent out in wind power plant outlet
Information.
If it is determined that the current wind fire bundling of wind fire bundling Energy Base sends safety index value outside, then obtains wind fire bundling and send outside
The data source of security monitoring data is that wind fire bundling sends metric data source outside；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send outside
The data source of security monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.
Specifically, the safety index determining module may include: operational monitoring value index determination unit, be used for basis
Wind fire bundling sends security monitoring data outside and determines that wind fire bundling sends operational monitoring value index outside, sends safe prison outside according to wind fire bundling
Whether control data monitoring wind fire bundling sends key index range of operation outside reasonable；
Channel current power accounting index w1 is determined as the following formula:
WhereinTo specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is structure
At the channel of section, NwFor the number of channels for constituting section, whether real-time monitoring w1 is allowing in range of operation；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
In formula, W1 is the practical power output of wind-powered electricity generation, and W2 is whole actual power power outputs in statistical regions；
Safety index determination unit, is used for: determining circuit overload situation accounting index A as the following formula1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is that individually the mode of cut-offfing was descended
Carry the quantity of route, Lj(t) deep to take jth time to cut-off the overload for overloading kth route in route that number under mode is 1-Q
Degree；Wherein j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off under mode
Overload the number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off electricity under mode
Pressure gets over the quantity of point of accumulation, Vj(t) to take jth time to cut-off in the out-of-limit voltage bus that number is 1-Q under mode getting over for the t articles bus
Limit depth, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off
The number of voltage out-of-limit point under mode；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set.
The coefficient of colligation determining module, is used for: determining wind fire bundling outer pushing electric network static state robustness assessment system as the following formula
Number Ax:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route most serious offense
Load degree index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit
The weight of situation accounting index, a3For the weight of route maximum overload degree index, a4For the power of the maximum out-of-limit depth index of voltage
Weight, wherein a1+a2+a3+a4=1；
Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4
For dynamic buckling statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For
The weight of frequency unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
The trend indicator determining module, is used for:
Determine that wind fire bundling sends real-time tendency monitoring index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
First data point index, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y
Send the power grid static state robustness metewand A in comprehensive assessment coefficient outside for wind fire bundlingxOr wind fire bundling sends comprehensive assessment outside
Failure unstability rate metewand B in coefficientx。
Specifically, the alarm module, is used for
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first operation
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second than index
Range of operation, if so, carrying out alarm or early warning；If it is not, then redefining wind fire bundling sends operational monitoring value index and wind outside
Fiery bundling sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety outside according to the wind fire bundling
Data Trend Monitor index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ >
0, it indicates that degradating trend is presented in the index, then carries out alarm or early warning；If it is not, the corresponding instability index of the system of expression is dropping
Low, system operational excellence then redefines that wind fire bundling sends operational monitoring value index outside and wind fire bundling sends actual time safety outside and becomes
Gesture monitoring index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor index is accused
It is alert.
Wherein first range of operation are as follows: be less than channel current power accounting maximum value w1max, wherein w1max ∈
(0.7,0.9)；Second range of operation can determine that according to actual electric network source net harmony.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer journey implemented in usable storage medium (can include but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of sequence product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.
Claims (15)
1. a kind of wind fire bundling Energy Base alternating current-direct current sends method for safety monitoring outside, which is characterized in that the described method includes:
Security monitoring data are sent outside according to wind fire bundling determines that wind fire bundling sends operational monitoring value index and safety index value outside；
Safety index value is sent outside according to the wind fire bundling determines that wind fire bundling sends comprehensive assessment coefficient outside；
Safety index value is sent outside according to wind fire bundling and comprehensive assessment coefficient determines that wind fire bundling sends actual time safety Data Trend Monitor outside
Index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor index is alerted；
Wherein, the wind fire bundling sends security monitoring data outside and sends the acquisition of Multi-target Data source, the wind outside by wind fire bundling
It includes: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction data source and wind outside that fiery bundling, which sends Multi-target Data source outside,
Fiery bundling sends dispatch plan data source outside.
2. the method as described in claim 1, which is characterized in that the wind fire bundling sends metric data source outside, comprising: passes through intelligence
The grid model data of energy dispatching of power netwoks technology support system acquisition obtains electricity by the state estimation function of network analysis applications
The real time execution floor data of net, is obtained by high-precision oscillograph the PMU metric data that is obtained by Wide Area Measurement System
Field failure information or disturbance information and the wind electric field blower real time information obtained by wind-powered electricity generation real-time monitoring system；
The wind fire bundling sends prediction data source outside, comprising: is obtained by honourable associated prediction forecast system short-term and ultrashort
The new energy power prediction information of phase；
The wind fire bundling sends dispatch plan data source outside, including the extreme misery power plant by the acquisition of Hydro-Thermal Systems generation schedule system
Daily trading planning data, maintenance plan data, mediation plan data and load prediction data；
Wherein, the real time execution floor data, comprising: power grid QS file, DAT Load flow calculation file and SWI transient stability meter
Count evidence；
The PMU metric data, comprising: substation bus bar voltage magnitude, phase angle, route active power, route reactive power and
Normal power supplies active reactive power output, generator terminal busbar voltage, phase angle information；
The wind electric field blower real time information, comprising: power information and interface busbar voltage information are sent out in wind power plant outlet.
3. the method as described in claim 1, which is characterized in that if it is determined that outside the current wind fire bundling of wind fire bundling Energy Base
Safety index value is sent, then obtaining wind fire bundling and sending the data source of security monitoring data outside is that wind fire bundling sends metric data source outside；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send safety outside
The data source of monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.
4. the method as described in claim 1, which is characterized in that send security monitoring data outside according to wind fire bundling and determine that wind fire is beaten
Bundle sends operational monitoring value index outside, comprising: determines channel current power accounting index w1 as the following formula:
WhereinTo specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is to constitute section
Channel, NwFor the number of channels for constituting section；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
W1For the practical power output of wind-powered electricity generation, W2For actual power power outputs whole in statistical regions.
5. the method as described in claim 1, which is characterized in that send security monitoring data outside according to wind fire bundling and determine that wind fire is beaten
Bundle sends safety index value outside, comprising: determines circuit overload situation accounting index A as the following formula1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is individually to cut-off to overload line under mode
The quantity on road, Lj(t) the overload depth for overloading kth route in route for being 1-Q is numbered under mode to take jth time to cut-off；Its
Middle j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off to overload under mode
The number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off voltage under mode to get over
The quantity of point of accumulation, VjIt (t) is the out-of-limit depth for taking jth time to cut-off the t articles bus in the out-of-limit voltage bus that number is 1-Q under mode
Degree, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off mode
The number of lower voltage out-of-limit point；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set.
6. the method as described in claim 1, which is characterized in that described to send the determination of safety index value outside according to the wind fire bundling
Wind fire bundling sends comprehensive assessment coefficient outside, comprising:
The outer pushing electric network static state robustness metewand A of wind fire bundling is determined as the following formulax:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route maximum overload degree
Index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit situation
The weight of accounting index, a3For the weight of route maximum overload degree index, a4For the weight of the maximum out-of-limit depth index of voltage,
In, a1+a2+a3+a4=1；
Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4It is
State unstability statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For frequency
The weight of unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
7. the method as described in claim 1, which is characterized in that described to send comprehensive assessment coefficient outside according to wind fire bundling and determine wind
Fiery bundling sends actual time safety Data Trend Monitor index outside, comprising:
Determine that wind fire bundling sends actual time safety Data Trend Monitor index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
The index of one data point, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y is wind
Fiery bundling sends the power grid static state robustness metewand A in comprehensive assessment coefficient outsidexOr wind fire bundling sends comprehensive assessment coefficient outside
In failure unstability rate metewand Bx。
8. the method as described in claim 1, which is characterized in that it is described according to wind fire bundling send outside real-time tendency monitoring index into
Row early warning, comprising:
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first range of operation,
If so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling is sent outside
Actual time safety Data Trend Monitor index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor refers to
Mark is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second operation than index
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ > 0,
Carry out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling sends real-time peace outside
Full Data Trend Monitor index, and operational monitoring value index or the progress of actual time safety Data Trend Monitor index are sent outside according to the wind fire bundling
Alarm.
9. a kind of wind fire bundling Energy Base alternating current-direct current sends safety monitoring system outside, which is characterized in that the system comprises:
Safety index determining module determines that wind fire bundling sends operational monitoring outside for sending security monitoring data outside according to wind fire bundling
It is worth index and safety index value coefficient of colligation determining module, determines wind fire for sending safety index value outside according to the wind fire bundling
Bundling sends comprehensive assessment coefficient outside；
Trend indicator determining module determines that wind fire bundling is sent outside in real time for sending comprehensive assessment coefficient outside according to the wind fire bundling
Security Trend monitoring index；
Alarm module, for sending operational monitoring value index or the progress early warning of real-time tendency monitoring index outside according to the wind fire bundling
Or display alarm；
Wherein, the wind fire bundling sends security monitoring data outside and sends target data source acquisition, the wind fire outside by wind fire bundling
It includes: that wind fire bundling sends metric data source outside, wind fire bundling sends prediction data source outside and wind fire is beaten that bundling, which sends target data source outside,
Bundle sends dispatch plan data source outside.
10. system as claimed in claim 9, which is characterized in that the wind fire bundling sends metric data source outside, comprising: passes through
The state estimation function of grid model data, network analysis applications that smart grid supporting system technology obtains obtains power grid
Real time execution floor data, obtained by Wide Area Measurement System PMU metric data, showed by what high-precision oscillograph obtained
Field fault message or disturbance information and the wind electric field blower real time information obtained by wind-powered electricity generation real-time monitoring system；
The wind fire bundling sends prediction data source outside, comprising: is obtained by honourable associated prediction forecast system short-term and ultrashort
The new energy power prediction information of phase；
The wind fire bundling sends dispatch plan data source outside, comprising: the extreme misery power plant obtained by Hydro-Thermal Systems generation schedule system
Daily trading planning data, maintenance plan data, mediation plan data and load prediction data；
Wherein, the real time execution floor data, comprising: power grid QS file, DAT Load flow calculation file and SWI transient stability meter
Count evidence；
The PMU metric data, comprising: bus voltage amplitude, phase angle, route active power and route reactive power；
The wind electric field blower real time information, comprising: power information and interface busbar voltage information are sent out in wind power plant outlet.
11. system as claimed in claim 9, which is characterized in that if it is determined that the wind fire bundling that wind fire bundling Energy Base is current
Send safety index value outside, then obtaining wind fire bundling and sending the data source of security monitoring data outside is that wind fire bundling sends metric data outside
Source；
If it is determined that the wind fire bundling in wind fire bundling Energy Base future sends safety index value outside, then obtains wind fire bundling and send safety outside
The data source of monitoring data is that wind fire bundling sends prediction data source and dispatch plan data source outside.
12. system as claimed in claim 9, which is characterized in that the safety index determining module, comprising:
Operational monitoring value index determination unit, is used for: channel current power accounting index w1 is determined as the following formula:
WhereinTo specify section actual fed performance number；PmaxActive for specified section maximum transmission of electricity receiving, l is to constitute section
Channel,NwFor the number of channels for constituting section；
Determine that wind-powered electricity generation accounts for statistical regions power output than index w2 as the following formula:
W2=(W1/W2) %
In formula, w1 is the practical power output of wind-powered electricity generation, and w2 is whole actual power power outputs in statistical regions；
Safety index determination unit, is used for: determining circuit overload situation accounting index A as the following formula1:
In formula, P is to cut-off aggregate manner number；MtMode circuit overload number is cut-off for the t times；
Voltage out-of-limit situation accounting index A is determined as the following formula2:
In formula, P is to cut-off aggregate manner number；BtMode voltage out-of-limit number is cut-off for the t times；
Route maximum overload degree index A is determined as the following formula3:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of circuit overload, and Q is individually to cut-off to overload line under mode
The quantity on road, Lj(t) the overload depth for overloading kth route in route for being 1-Q is numbered under mode to take jth time to cut-off；Its
Middle j be 1-P all cut-off scanning in there are the power grid modes of circuit overload to number；Wherein 1-Q is individually to cut-off to overload under mode
The number of route；
The maximum out-of-limit depth index A of voltage is determined as the following formula4:
In formula, P is all to cut-off in scanning there are the power grid mode quantity of voltage out-of-limit, and Q is individually to cut-off voltage under mode to get over
The quantity of point of accumulation, VjIt (t) is the out-of-limit depth for taking jth time to cut-off the t articles bus in the out-of-limit voltage bus that number is 1-Q under mode
Degree, wherein j indicate 1-P all cut-off scanning in there are the power grid modes of voltage out-of-limit to number；Wherein 1-Q is individually to cut-off mode
The number of lower voltage out-of-limit point；
Generator rotor angle unstability statistical indicator B is determined as the following formula1:
In formula, S is fault set number, TiNumber is counted for generator rotor angle unstability under i-th of fault set；
Voltage Instability statistical indicator B is determined as the following formula2:
In formula, S is fault set number, ViNumber is counted for Voltage Instability under i-th of fault set；
Frequency unstability statistical indicator B is determined as the following formula3:
In formula, S is fault set number, fiNumber is counted for i-th of fault set lower frequency unstability；
Dynamic buckling statistical indicator B is determined as the following formula4:
In formula, S is fault set number, SiNumber is counted for dynamic buckling under i-th of fault set.
13. system as claimed in claim 9, which is characterized in that the coefficient of colligation determining module is used for: determining as the following formula
The outer pushing electric network static state robustness metewand A of wind fire bundlingx:
Ax=a1A1+a2A2+a3A3+a4A4
In formula, A1For circuit overload situation accounting index, A2For voltage out-of-limit situation accounting index, A3For route maximum overload degree
Index, A4For the maximum out-of-limit depth index of voltage, a1For the weight of circuit overload situation accounting index, a2For voltage out-of-limit situation
The weight of accounting index, a3For the weight of route maximum overload degree index, a4For the weight of the maximum out-of-limit depth index of voltage,
In, a1+a2+a3+a4=1；
Determine that wind fire bundling sends failure unstability rate metewand B outside as the following formulax:
Bx=b1B1+b2B2+b3B3+b4B4
In formula, B1For generator rotor angle unstability statistical indicator, B2For Voltage Instability statistical indicator, B3For frequency unstability statistical indicator, B4It is
State unstability statistical indicator, b1For the weight of generator rotor angle unstability statistical indicator, b2For the weight of Voltage Instability statistical indicator, b3For frequency
The weight of unstability statistical indicator, b4For the weight of dynamic buckling statistical indicator, wherein b1+b2+b3+b4=1.
14. system as claimed in claim 9, which is characterized in that the trend indicator determining module is used for:
Determine that wind fire bundling sends real-time tendency monitoring index λ outside as the following formula:
In formula, c is the data window size chosen, and Δ t is the sampling time interval for calculating data, n0For in data window
The index of one data point, y (n0Δ t) is in data point n0The time-derivative of index distribution or coefficient distribution on Δ t, y is wind
Fiery bundling sends the power grid static state robustness metewand A in comprehensive assessment coefficient outsidexOr wind fire bundling sends comprehensive assessment coefficient outside
In failure unstability rate metewand Bx。
15. system as claimed in claim 9, which is characterized in that the alarm module is used for:
Judge whether the channel current power accounting index in operational monitoring value index exceeds preset first range of operation,
If so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling is sent outside
Actual time safety Data Trend Monitor index, and operational monitoring value index is sent outside according to the wind fire bundling or actual time safety Data Trend Monitor refers to
Mark is alerted；
Judge that the wind-powered electricity generation in operational monitoring value index accounts for statistical regions power output and whether exceeds preset second operation than index
Range, if so, carrying out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire is beaten
Bundle sends actual time safety Data Trend Monitor index outside, and sends operational monitoring value index or actual time safety trend outside according to the wind fire bundling
Monitoring index is alerted；Judge that the wind fire bundling obtained sends whether real-time tendency monitoring index value λ is greater than 0 outside, if λ > 0,
Carry out alarm or early warning；If it is not, then redefining, wind fire bundling sends operational monitoring value index outside and wind fire bundling sends real-time peace outside
Full Data Trend Monitor index, and operational monitoring value index or the progress of actual time safety Data Trend Monitor index are sent outside according to the wind fire bundling
Alarm.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103236719A (en) * | 2013-04-17 | 2013-08-07 | 国家电网公司 | Wind power bundling control method after wind power and thermal power accessing to power grid |
| CN104037788A (en) * | 2014-06-16 | 2014-09-10 | 东南大学 | Wind fire bundling system control device and method thereof |
| CN104751236A (en) * | 2014-12-29 | 2015-07-01 | 国家电网公司 | Transmission capacity and wind and fire bundling transmission optimization method of extra-high voltage channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236719A (en) * | 2013-04-17 | 2013-08-07 | 国家电网公司 | Wind power bundling control method after wind power and thermal power accessing to power grid |
| US20150349528A1 (en) * | 2013-04-17 | 2015-12-03 | State Grid Corporation Of China | Wind power bundling control method after wind power and thermal power are connected to grid |
| CN104037788A (en) * | 2014-06-16 | 2014-09-10 | 东南大学 | Wind fire bundling system control device and method thereof |
| CN104751236A (en) * | 2014-12-29 | 2015-07-01 | 国家电网公司 | Transmission capacity and wind and fire bundling transmission optimization method of extra-high voltage channel |
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