A kind of dispatching of power netwoks control system
Technical field
Grid control system field is the utility model is related to, is a kind of dispatching of power netwoks control system specifically.
Background technology
In reality, the usage amount of household electrical appliance is more and more, also increasing to the demand of electric energy, particularly in electricity consumption
Peak period, electricity demand is big, therefore power grid construction needs the balance that meets generated energy and power consumption, ensures the use of peak period
Electrical demand, often sets up power grid using highest electric load.But so there are the problem of be, according to highest electricity
Power load sets up power grid, for transformer, transmission line of electricity, the control of each node and the requirement of detection device all very high, always
Cost it is higher and the replacement and maintenance cost of transformer is also very high.And in non-electrical peak period, some power generation capacity
It is not high in idle state, energy utilization rate.In recent years, with energy scarcity and environmental degradation the problems such as it is intensification,
Meet power demand by increasing network system capacity simply, become undesirable, it is therefore desirable to which one kind can improve energy
Source utilization ratio, reduces energy waste, and all kinds of electrical equipments, generating equipment and energy storage device can be carried out to monitor and adjust in real time
Spend the intelligent grid used.
Utility model content
The purpose of this utility model is to provide a kind of dispatching of power netwoks control system, is set for solving power grid in the prior art
The problem of cost is higher, energy utilization rate is not high is caused to tackle on-peak demand using maximum power load in meter.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of dispatching of power netwoks control system, including Data Analysis Services center and with the Data Analysis Services center to center communications
Display module, alarm module, communication module, monitoring module and the scheduler module of connection, the communication module and the scheduling mould
Block connects, and the communication module also communication link is connected to information acquisition module, and described information acquisition module includes current transformer, electricity
Pressure mutual inductor and the acquisition terminal for gathering transformer output power and collection user side power consumption information, the communication module
Also communication connection is useful for the intelligent terminal of control man electric-opening/closing and the power supply for controlling stand-by power supply unlatching/closing
Control module, the energy supply control module include the relay-operated controller with communication module communication connection, the relay
Controller connects relay, and the relay is connected with stand-by power supply.
Operation principle:
The current signal of current transformer collection power circuit in information acquisition module, voltage transformer collection power line
Voltage signal in road, and by communication module by the current signal collected and the processing of voltage signal input data analysis
The heart, the acquisition terminal collection in information acquisition module are distributed in the output power and electricity of the transformer of power circuit difference node
The electricity demand of each user, acquisition terminal send the information collected to data analysis by communication module in line of force road
Processing center.Data Analysis Services module is crossed analysis according to current voltage signal and current signal, is calculated, by electricity at this time
Stream, voltage signal, transformer export general power and the aggregate demand of user power utilization is shown by display module.Data analysis
Processing center is by the signal of input and default threshold value comparison, when the curtage signal on power circuit exceedes default threshold
During value, Data Analysis Services center will send control command to warning circuit, driving warning circuit and send alarm.Installed in user
Load total amount, user controllable load and the household electrical appliances use priority of the intelligent terminal collection user of family, and will be user controllable
Load is sent to scheduler module.Monitoring module is used to detect real-time load and prediction short term on power circuit, and
Detect the power quality on power circuit and send to Data Analysis Services center.Data Analysis Services center is according to monitoring module
The data of detection, carry out analysis calculating, send the load for cutting down user and/or the control command for starting stand-by power supply automatically.
When Data Analysis Services center sends the control instruction for needing to cut down the load of user to scheduler module, scheduler module is not according to
With the controllable burden amount of user, reduction task is distributed, intelligent terminal is sent instructions to by communication module, is performed by intelligent terminal
The control of unlatching/closing to intelligent appliance, according to household electrical appliances use priority, is automatically closed the relatively low household electrical appliances of priority level, cuts
Subtract the demand of household electricity, reduce the load total amount of user.Acquisition terminal installed in transformer terminal is also performed to transformer
The detection of place circuit and the measurement of transformer load rate, and the information detected is sent to Data Analysis Services center, by
Instruction is assigned to scheduler module in Data Analysis Services center.Scheduler module is according to the output power of current transformer and according to change
The total load amount of power circuit where depressor, opens stand-by power supply, increases total output power on power circuit, scheduler module
By the control instruction of communication module transmission startup stand-by power supply, the relay-operated controller in energy supply control module receives data point
The control instruction that processing center is sent is analysed, drives the relay being connected with relay-operated controller to be attracted, makes electricity where stand-by power supply
Road closes, for conveying electric energy to power circuit.Using the controllable burden amount of user, the preferential of user is closed by intelligent terminal
The relatively low household electrical appliances of rank, reduce the load total amount of user, reduce the total electricity consumption on power circuit, therefore can reduce electricity consumption height
The maximum power load of peak phase power grid, reduces the cost of the equipment such as transformer, power circuit and transformer in power grid construction and replaces
And maintenance cost, energy utilization rate is improved, while the electricity consumption of peak of power consumption device is ensured as Redundancy Design using stand-by power supply
Demand.
Further, the monitoring module is connected by data/address bus with the Data Analysis Services center, the monitoring
Module include real-time load computing unit, load forecast unit and for gather the voltage of power circuit, electric current, frequency and
The electricity quality detection device of active power.
Operation principle:
Real-time load computing unit, can be from the electric quantity metering automated system in power grid(TMR)Middle reading, can also adopt
Real-time load data is gathered with electric load real-time monitoring system SCADA in detection power grid, can also be by gathering in power grid
The electric current and voltage of generating system equipment, and electric load integral is used, the real-time electric charge on computing electric line
Total amount.Load forecast unit, according to the result of calculation of real-time load computing unit, using preset algorithm, is predicted short
Phase electric load.Preset algorithm, which uses, includes regression forecasting algorithm, the BP neural network time series algorithm based on genetic algorithm
And any one or more in the Power Load Forecasting Algorithm based on wavelet analysis prediction algorithm.Electric energy quality detection device
Model WG.1-WDDZ-300B, for measuring and analyzing the AC energy quality in power grid, including frequency departure, voltage are inclined
Difference, voltage fluctuation and flicker, three-phase voltage allow degree of unbalancedness and mains by harmonics, time recording and storage voltage, electric current, active
The variation tendency of the parameters of electric power such as power, reactive power, frequency and phase;Test and analysis electric system in breaker actuation,
The failure causes such as transformer overheat, burn-down of electrical machinery and automatics malfunction.
Further, the real-time load computing unit includes real-time load data Acquisition Circuit, and the real time data is adopted
Collector includes voltage sampling circuit, current sampling circuit and signal conditioning circuit, the voltage sampling circuit and current sample
The data of collection are inputted the signal conditioning circuit, signal conditioning circuit output terminal connection analog-digital converter, the mould by circuit
Number converter is connected to the microcontroller of electric load integral and calculating, and the microcontroller sends out the result of electric load integral and calculating
Send to load forecast unit.
Operation principle:
When using the real-time load on electric load integral computing electric line, current sampling circuit and electricity
Pressure sample circuit gathers AC current values and ac voltage in power circuit respectively, and input signal conditioning circuit carries out letter
Number amplification after, input analog-to-digital converter, digital signal is converted into by the current signal of the simulation of collection and voltage signal, and is inputted
Sent to microcontroller, microcontroller and by the result of electric load integral and calculating to load forecast unit.
Further, the Data Analysis Services center is also associated with memory module, and the memory module includes being used to deposit
The server zone of data and the front server for storing the data in pending data, processing and the data after processing are stored up,
The Data Analysis Services connect front server centrally through data/address bus, and the front server communication link is connected to server
Group, the load forecast unit include the data insertion equipment being connected with the microcontroller, and the data insertion equipment leads to
Letter is connected with server zone.
Operation principle:
Server on the server zone node different by being distributed in power circuit forms, and data are received from data/address bus
The data of access device transmission and storage, the data insertion equipment are computer, and the computer calculates single with real-time load
Single-chip data communication in member, reads electric load integral and calculating result and the current value and magnitude of voltage that detect, and deposit
Store up to one of server in server zone.When Data Analysis Services center needs to analyze, handles data, server zone
In server by required data transfer to front server, Data Analysis Services center is directly read from front server
Data, and the process data in calculating and last result of calculation are stored to front server, therefore improve data point
Analyse the read-write speed and arithmetic speed of processing center.
Further, the scheduler module includes the tune being connected with the Data Analysis Services center and the communication module
Controller is spent, the scheduling controller is whole by communication module transmission control instruction to the energy supply control module and the intelligence
End.
Operation principle:
Scheduling controller in scheduler module receives the control instruction at Data Analysis Services center, and by the control instruction
Sent by communication module, realize the control to energy supply control module and intelligent terminal.Using scheduling controller rather than directly
Energy supply control module and intelligent terminal are controlled by Data Analysis Services center, shared the task pressure at Data Analysis Services center
Power.
Further, the scheduler module is also associated with Failure Recovery Module, and the Failure Recovery Module includes breaker
And disconnecting switch, electromagnetic relay is connected with the electric power loop of the breaker, the electromagnetic relay is connected with for remote
Journey receives the receiver for the control signal that the scheduling controller is sent, and the disconnecting switch is installed on the breaker both sides,
For the live zone in power grid and isolation to be distinguished.
Operation principle:
Scheduling controller in scheduler module, according to real-time load computing unit and the number of load forecast unit
According to judging the overload situations or short term power circuit prediction case of power circuit, it is extensive to send a command to the failure on one's own initiative
Multiple mould receiver in the block, the receiver is according to the disconnection of received order-driven electromagnetic relay, the electricity of cut-off breaker
Source, realizes the cut-out to faulty circuit.At the same time using the disconnecting switch installed in breaker both sides, by fault zone and live zone
Domain separates.When failure cause exclusion, it can also be closed by remote control electromagnetic relay, make the power circuit shape of breaker
Into path, the automatic closing of breaker is realized.
Further, the acquisition terminal includes power transformer detecting terminal and user side detection terminal.
Operation principle:
Distribution transformer monitoring terminal, for monitoring transformer station high-voltage side bus in real time, monitors distribution transformer and power line path loss
Consumption, can also install regulator additional with remote control reactive-load compensation equipment, carry out automatic or remote adjustment transformer tap
Head, ensures voltage constant.User side detection terminal is used for the power load total amount, controllable burden amount and user's line for detecting user
Road overload detection, and by the data sending of detection to Data Analysis Services center.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1)The utility model utilizes the controllable burden amount of user, and the priority level that user is closed by intelligent terminal is relatively low
Household electrical appliances, reduce the load total amount of user, reduce the total electricity consumption on power circuit, therefore peak times of power consumption power grid can be reduced
Maximum power load, reduce the cost of the equipment such as transformer, power circuit and transformer in power grid construction replace and safeguard into
This, improves energy utilization rate, while using stand-by power supply as Redundancy Design, the power demand of guarantee peak of power consumption device.
(2)The scheduling controller of the utility model is according to short-term electric load prediction, to there is overload or security risk
Circuit, using the power supply of active cut-off breaker, realizes the cut-out to faulty circuit.At the same time using installed in breaker both sides
Disconnecting switch, fault zone and charging zone are separated.When failure cause exclusion, remote control electromagnetism relay can also be passed through
Device closes, and the power circuit of breaker is formed path, realizes the automatic closing of breaker.
Brief description of the drawings
Fig. 1 is the system principle diagram of the utility model.
Embodiment
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is not
It is limited to this.
Embodiment 1:
With reference to shown in attached drawing 1, a kind of dispatching of power netwoks control system, including Data Analysis Services center and with data point
Analyse display module, alarm module, communication module, monitoring module and the scheduler module of processing center communication connection, the communication mould
Block is connected with the scheduler module, and the communication module also communication link is connected to information acquisition module, described information acquisition module bag
Include current transformer, voltage transformer and for gathering transformer output power and gathering the collection end of user side power consumption information
End, the communication module also communicate to connect the intelligent terminal that is useful for control family electric-opening/closing and for controlling stand-by power supply
The energy supply control module of unlatching/closing, the energy supply control module include the relay control with communication module communication connection
Device processed, the relay-operated controller connect relay, and the relay is connected with stand-by power supply.
Operation principle:
The current signal of current transformer collection power circuit in information acquisition module, voltage transformer collection power line
Voltage signal in road, and by communication module by the current signal collected and the processing of voltage signal input data analysis
The heart, the acquisition terminal collection in information acquisition module are distributed in the output power and electricity of the transformer of power circuit difference node
The electricity demand of each user, acquisition terminal send the information collected to data analysis by communication module in line of force road
Processing center.Data Analysis Services module is crossed analysis according to current voltage signal and current signal, is calculated, by electricity at this time
Stream, voltage signal, transformer export general power and the aggregate demand of user power utilization is shown by display module.Data analysis
Processing center is by the signal of input and default threshold value comparison, when the curtage signal on power circuit exceedes default threshold
During value, Data Analysis Services center will send control command to warning circuit, driving warning circuit and send alarm.Installed in user
Load total amount, user controllable load and the household electrical appliances use priority of the intelligent terminal collection user of family, and will be user controllable
Load is sent to scheduler module.Monitoring module is used to detect real-time load and prediction short term on power circuit, and
Detect the power quality on power circuit and send to Data Analysis Services center.Data Analysis Services center is according to monitoring module
The data of detection, carry out analysis calculating, send the load for cutting down user and/or the control command for starting stand-by power supply automatically.
When Data Analysis Services center sends the control instruction for needing to cut down the load of user to scheduler module, scheduler module is not according to
With the controllable burden amount of user, reduction task is distributed, intelligent terminal is sent instructions to by communication module, is performed by intelligent terminal
The control of unlatching/closing to intelligent appliance, according to household electrical appliances use priority, is automatically closed the relatively low household electrical appliances of priority level, cuts
Subtract the demand of household electricity, reduce the load total amount of user.Acquisition terminal installed in transformer terminal is also performed to transformer
The detection of place circuit and the measurement of transformer load rate, and the information detected is sent to Data Analysis Services center, by
Instruction is assigned to scheduler module in Data Analysis Services center.Scheduler module is according to the output power of current transformer and according to change
The total load amount of power circuit where depressor, opens stand-by power supply, increases total output power on power circuit, scheduler module
By the control instruction of communication module transmission startup stand-by power supply, the relay-operated controller in energy supply control module receives data point
The control instruction that processing center is sent is analysed, drives the relay being connected with relay-operated controller to be attracted, makes electricity where stand-by power supply
Road closes, for conveying electric energy to power circuit.Using the controllable burden amount of user, the preferential of user is closed by intelligent terminal
The relatively low household electrical appliances of rank, reduce the load total amount of user, reduce the total electricity consumption on power circuit, therefore can reduce electricity consumption height
The maximum power load of peak phase power grid, reduces the cost of the equipment such as transformer, power circuit and transformer in power grid construction and replaces
And maintenance cost, energy utilization rate is improved, while the electricity consumption of peak of power consumption device is ensured as Redundancy Design using stand-by power supply
Demand.
Embodiment 2:
On the basis of embodiment 1, with reference to shown in attached drawing 1, the monitoring module passes through data/address bus and the data point
Processing center connection is analysed, the monitoring module includes real-time load computing unit, load forecast unit and for gathering electricity
The voltage on line of force road, electric current, the electricity quality detection device of frequency and active power.
Operation principle:
Real-time load computing unit, can be from the electric quantity metering automated system in power grid(TMR)Middle reading, can also adopt
Real-time load data is gathered with electric load real-time monitoring system SCADA in detection power grid, can also be by gathering in power grid
The electric current and voltage of generating system equipment, and electric load integral is used, the real-time electric charge on computing electric line
Total amount.Load forecast unit, according to the result of calculation of real-time load computing unit, using preset algorithm, is predicted short
Phase electric load.Preset algorithm, which uses, includes regression forecasting algorithm, the BP neural network time series algorithm based on genetic algorithm
And any one or more in the Power Load Forecasting Algorithm based on wavelet analysis prediction algorithm.Electric energy quality detection device
Model WG.1-WDDZ-300B, for measuring and analyzing the AC energy quality in power grid, including frequency departure, voltage are inclined
Difference, voltage fluctuation and flicker, three-phase voltage allow degree of unbalancedness and mains by harmonics, time recording and storage voltage, electric current, active
The variation tendency of the parameters of electric power such as power, reactive power, frequency and phase;Test and analysis electric system in breaker actuation,
The failure causes such as transformer overheat, burn-down of electrical machinery and automatics malfunction.
Embodiment 3:
On the basis of embodiment 2, with reference to shown in attached drawing 1, the real-time load computing unit includes real-time load data
Acquisition Circuit, the real-time data acquisition circuit includes voltage sampling circuit, current sampling circuit and signal conditioning circuit, described
The data of collection are inputted the signal conditioning circuit, signal conditioning circuit output terminal by voltage sampling circuit and current sampling circuit
Analog-digital converter is connected, the analog-digital converter is connected to the microcontroller of electric load integral and calculating, and the microcontroller is by electricity
The result of power load integral and calculating is sent to load forecast unit.
Operation principle:
When using the real-time load on electric load integral computing electric line, current sampling circuit and electricity
Pressure sample circuit gathers AC current values and ac voltage in power circuit respectively, and input signal conditioning circuit carries out letter
Number amplification after, input analog-to-digital converter, digital signal is converted into by the current signal of the simulation of collection and voltage signal, and is inputted
Sent to microcontroller, microcontroller and by the result of electric load integral and calculating to load forecast unit.
Embodiment 4:
On the basis of embodiment 3, with reference to shown in attached drawing 1, the Data Analysis Services center is also associated with memory module,
The memory module is including for storing the server zone of data and for storing data and place in pending data, processing
The front server of data after reason, the Data Analysis Services connect front server centrally through data/address bus, before described
Put server communication and be connected with server zone, the load forecast unit includes the data access being connected with the microcontroller
Equipment, the data insertion equipment communication link are connected to server zone.
Operation principle:
Server on the server zone node different by being distributed in power circuit forms, and data are received from data/address bus
The data of access device transmission and storage, the data insertion equipment are computer, and the computer calculates single with real-time load
Single-chip data communication in member, reads electric load integral and calculating result and the current value and magnitude of voltage that detect, and deposit
Store up to one of server in server zone.When Data Analysis Services center needs to analyze, handles data, server zone
In server by required data transfer to front server, Data Analysis Services center is directly read from front server
Data, and the process data in calculating and last result of calculation are stored to front server, therefore improve data point
Analyse the read-write speed and arithmetic speed of processing center.
Embodiment 5:
On the basis of embodiment 4, with reference to shown in attached drawing 1, the scheduler module include with the Data Analysis Services
The scheduling controller that the heart is connected with the communication module, the scheduling controller send control instruction to described by communication module
Energy supply control module and the intelligent terminal.
Operation principle:
Scheduling controller in scheduler module receives the control instruction at Data Analysis Services center, and by the control instruction
Sent by communication module, realize the control to energy supply control module and intelligent terminal.Using scheduling controller rather than directly
Energy supply control module and intelligent terminal are controlled by Data Analysis Services center, shared the task pressure at Data Analysis Services center
Power.
Embodiment 6:
On the basis of embodiment 5, with reference to shown in attached drawing 1, the scheduler module is also associated with Failure Recovery Module, described
Failure Recovery Module includes breaker and disconnecting switch, and electromagnetic relay is connected with the electric power loop of the breaker, described
Electromagnetic relay is connected with the receiver of the control signal sent for remotely receiving the scheduling controller, the disconnecting switch
Installed in the breaker both sides, for the live zone in power grid and isolation to be distinguished.
Operation principle:
Scheduling controller in scheduler module, according to real-time load computing unit and the number of load forecast unit
According to judging the overload situations or short term power circuit prediction case of power circuit, it is extensive to send a command to the failure on one's own initiative
Multiple mould receiver in the block, the receiver is according to the disconnection of received order-driven electromagnetic relay, the electricity of cut-off breaker
Source, realizes the cut-out to faulty circuit.At the same time using the disconnecting switch installed in breaker both sides, by fault zone and live zone
Domain separates.When failure cause exclusion, it can also be closed by remote control electromagnetic relay, make the power circuit shape of breaker
Into path, the automatic closing of breaker is realized.
Embodiment 7:
On the basis of embodiment 6, with reference to shown in attached drawing 1, the acquisition terminal include power transformer detecting terminal and
User side detection terminal.
Operation principle:
Distribution transformer monitoring terminal, for monitoring transformer station high-voltage side bus in real time, monitors distribution transformer and power line path loss
Consumption, can also install regulator additional with remote control reactive-load compensation equipment, carry out automatic or remote adjustment transformer tap
Head, ensures voltage constant.User side detection terminal is used for the power load total amount, controllable burden amount and user's line for detecting user
Road overload detection, and by the data sending of detection to Data Analysis Services center.
The above, is only the preferred embodiment of the utility model, and limit in any form is not done to the utility model
System, every any simple modification made according to the technical essence of the utility model to above example, equivalent variations, each falls within
Within the scope of protection of the utility model.