CN207473030U - A kind of power grid wide area real-time monitoring system - Google Patents
A kind of power grid wide area real-time monitoring system Download PDFInfo
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Abstract
The utility model discloses a kind of power grid wide area real-time monitoring system, belongs to power network monitoring technical field.The power grid wide area real-time monitoring system of the utility model includes：Multiple synchronous phasor measurement systems, center monitoring control system, big-dipper satellite alignment system and multiple arresters, synchronous phasor measurement system is sent to center monitoring control system for obtaining power grid real time status information and passing through Ethernet, and center monitoring control system is scheduled early warning control for analyzing and processing power grid real time status information；Big-dipper satellite alignment system is used to emit big-dipper satellite location information to synchronous phasor measurement system, and big-dipper satellite location information includes positioning position information and authorizes temporal information；Arrester is used to provide arrester status information to synchronous phasor measurement system.The utility model power grid wide area real-time monitoring system realizes that power grid wide area monitors in real time, alleviates electric power system fault maintenance cost, accelerates repairing speed, comprehensively the management and running network system of intelligence.
Description
Technical field
The utility model is related to a kind of power grid wide area real-time monitoring systems, belong to power network monitoring technical field.
Background technology
Since reform and opening-up, the continuous improvement of the gross national product in China, the social life substance of people is more next
Abundanter, whole overall national strength is also constantly promoted.The acquirement of all these achievements, one of them very important factor, just
It is automation of marching toward, informationization and the intelligence of China's continuous high speed.The behind of these great changes is entire society's life
Production, life are increasingly dependent on electric power, dependent on power grid.From common domestic lighting, air-conditioning, TV, computer and the network equipment,
To the producing line of industrial circle, power, office space, to large scale equipment, IT support systems, financial payment systems, without exception, all
It is strongly dependent upon electric system.As it can be seen that electric power, network system are inseparable with the social activities of people, have very heavy
The effect wanted.
But electric system always inevitably will appear such-and-such problem, and such as in certain special occasions -- it is high
The heat of temperature, the network system of entire country suffer from huge pressure.In addition, some unpredictalbe natural cause, calamities
Evil, such as snowstorm, mud-rock flow, earthquake, flood, lightning stroke probabilistic influence may can be also brought to network system at any time,
Any possible influence all can bring tremendous influence to social production, each field of the life of the people and society or even make
Into huge economic loss.Therefore, carry out for power grid wide area real-time monitoring system research and development it is extremely important and
It is necessary.
Utility model content
The purpose of this utility model is to provide a kind of power grid wide area real-time monitoring systems, realize that power grid wide area is supervised in real time
It surveys, alleviates electric power system fault maintenance cost, accelerate repairing speed, comprehensively the management and running network system of intelligence.
It is as follows that the utility model provides technical solution：
On the one hand, the utility model provides a kind of power grid wide area real-time monitoring system, including：Multiple synchronous phasor measurements
System, center monitoring control system, big-dipper satellite alignment system and the multiple arresters being set on high voltage bus,
The synchronous phasor measurement system for obtain power grid real time status information and pass through Ethernet be sent to it is described in
Heart monitoring control system, the power grid real time status information include：Circuit state message, synchronous phasor measurement information, arrester
Status information and the Big Dipper defend location information；
The center monitoring control system is scheduled early warning control for analyzing and processing the power grid real time status information；
The big-dipper satellite alignment system is used to emit big-dipper satellite location information, institute to the synchronous phasor measurement system
Big-dipper satellite location information is stated to include positioning position information and authorize temporal information；
The arrester is used to provide arrester status information to the synchronous phasor measurement system.
An embodiment according to the present utility model, the synchronous phasor measurement system are mutually measured including a despotic synchronization
Device and multiple collection control synchronous phasor measuring devices are measured, the despotic synchronization phasor measuring set is set to power network line central station
Point, the collection control synchronous phasor measuring device are set to power network line and respectively disperse website, the despotic synchronization phasor measuring set
Pass through fiber optic communication between sum aggregate control synchronous phasor measuring device.
Another embodiment according to the present utility model, the despotic synchronization phasor measuring set include:
Big-dipper satellite location information receiving unit is defended for receiving the Big Dipper that the big-dipper satellite alignment system is sent
Star location information；
Arrester status information receiving unit, for receiving the arrester status information that the arrester is sent；
First synchronous phasor measurement unit obtains for the synchronized phasor between out of phase between measuring center website power network line
To the first synchronized phasor data；
Data Analysis Services unit, for analyzing and processing the big-dipper satellite location information, arrester status information and same
Step phasor data obtains line state information；
Ethernet photoelectric conversion unit, it is same for receiving and converting the second of the collection control synchronous phasor measuring device transmission
Walk phasor data and built-in potential measurement data；
Ethernet exchanging unit controls synchronous phasor measuring device and the center monitoring for passing through Ethernet with the collection
Control system carries out information exchange；
Storage unit, for storing the big-dipper satellite location information, arrester status information and synchronous phasor measurement letter
Breath, the synchronous phasor measurement information include the first synchronized phasor data, the second synchronized phasor data and built-in potential measurement data；
And line status shows prewarning unit, for showing line state information, when power network line breaks down into
Row early warning.
Another embodiment according to the present utility model, the big-dipper satellite location information receiving unit include big-dipper satellite
Signal receiving subelement and big-dipper satellite time service subelement, the Big Dipper satellite signal receiving subelement are used to receive the Big Dipper
The positioning position information that global position system is sent；The big-dipper satellite time service subelement is used to receive the big-dipper satellite
The mandate temporal information that alignment system is sent.
Another embodiment according to the present utility model, the collection control synchronous phasor measuring device include：
Collection control control administrative unit, manages for controlling.
Built-in potential measuring unit obtains interior electricity for measuring the built-in potential between each dispersion website power network line between out of phase
Gesture measurement data；
Second synchronous phasor measurement unit, for measuring, synchronized phasor obtains between out of phase between each dispersion website power network line
To the second synchronized phasor data；
Big Dipper satellite signal unit, for receiving the positioning position information of the big-dipper satellite alignment system transmitting.
Optical fiber transmission unit, it is same to the master control for sending the second synchronized phasor data and built-in potential measurement data
Walk phasor measuring set.
Another embodiment according to the present utility model, the center monitoring control system include：It is connected by Ethernet
Fire wall, interchanger, front-end server, on-line data analysis server, management and running monitoring server, off line data analysis
Server, background server and historic data server,
The front-end server includes front server and web server, for receive external data information and to
Outside provides the service of access, and the external data includes power grid real time status information；
The data information of the outside is successively by fire wall, interchanger to the front server, the web server
Access service successively by interchanger, fire wall to outside provide；
The on-line data analysis server obtains reality for the power grid real time status information that on-line analysis receives
When network operation status information；
The management and running monitoring server is according to the power grid real time status information received and the real-time grid
Work state information generation scheduling warning information；
The off line data analysis server is used to be believed according to the power grid real time status information, real-time grid working condition
Breath and scheduling warning information carry out the mathematical modeling of power grid operation state, and analysis obtains prediction result data；
The background server is for background application with management and with the management and running monitoring server and in line number
It is interacted according to Analysis server；
The historic data server for store the power grid real time status information, real-time grid work state information,
Dispatch warning information and prediction result data.
Another embodiment according to the present utility model, the center monitoring control system further include：Preposition backup services
Device, background backup server and historical data backup server, be respectively used to back up the front server, background server and
The data of historic data server.
Another embodiment according to the present utility model, further includes user terminal, for real time inspection with manage it is described in
The work of heart monitoring control system passes through between the user terminal, synchronous phasor measurement system and center monitoring control system
NBIOT protenchyma connected network communications.
Another embodiment according to the present utility model, the positioning position information packet of the big-dipper satellite alignment system transmitting
Include the location information of at least 4 big-dipper satellites.
The beneficial effects of the utility model are as follows：
The power grid wide area real-time monitoring system of the utility model includes：Multiple synchronous phasor measurement system centre monitoring controls
System, big-dipper satellite alignment system and multiple arresters, the big-dipper satellite alignment system of the system is mainly that synchronized phasor is surveyed
Amount system provides location information and time service information, arrester provide arrester status information for synchronous phasor measurement system, synchronous
Phasor measurement system is mainly responsible for acquiring and calculating the synchronized phasor information of one's respective area range, big-dipper satellite positioning letter
Breath, the status information of arrester and circuit state message etc., and according to the grid line in the information analysis one's respective area acquired
Line state, and all data are reported to center monitoring control system, center monitoring control system is mainly responsible for reception from each
Synchronous phasor measurement system acquires the big-dipper satellite location information being calculated, the status information of arrester and circuit state
Information etc., and on-line analysis, the modeling of historical data big data analysis are carried out for these data, carry out early warning, prediction and tune
Degree management.
The power grid wide area real-time monitoring system of the utility model, can be at any time by being directed to the real time monitoring of electric network state
Solve power grid different moments, different section power transmission state, once there is exception or natural calamity to happen, it is possible to the
One time understood the failure of transmission line and problem place, and can be accurately positioned the position that problem failure is occurred, significantly
It reduces when conventional electric power system breaks down and spends the expense largely manually investigated.It can be within the shortest time by monitoring system
The electric power overhaul personnel of profession is sent to overhaul trouble point, after can greatly reducing electric system failure in this way
System recovery time, so as to which influence of the electric power system fault to people's production and living is preferably minimized.It is real-time by power grid wide area
Monitoring can cause electric power authorities to grasp the demand and Expenditure Levels of different zones, different circuits to electric power resource at any time,
Consequently facilitating dispatching of power netwoks is made to be truly realized the overall view overall situation, science decision, correct commander, the operation control to electric system is completed
System.
The power grid wide area real-time monitoring system of the utility model realizes that power grid wide area monitors in real time, alleviates electric system event
Hinder maintenance cost, accelerate repairing speed, be conducive to the management and running network system of comprehensive intelligence.
Description of the drawings
Fig. 1 is the structure diagram of power grid wide area real-time monitoring system that the utility model embodiment one provides；
Fig. 2 is the structure diagram of one embodiment of the synchronous phasor measurement system of the utility model；
Fig. 3 is the structure diagram of one embodiment of the despotic synchronization phasor measuring set of the utility model；
Fig. 4 is the structure diagram of one embodiment of the collection control synchronous phasor measuring device of the utility model；
Fig. 5 is one embodiment structure diagram of the center monitoring control system of the utility model embodiment.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
With reference to Fig. 1, show that a kind of power grid wide area real-time monitoring system structure that the utility model embodiment one provides is shown
It is intended to, power grid wide area real-time monitoring system includes：Multiple synchronous phasor measurement systems 10, center monitoring control system 20, the Big Dipper
Global position system 30 and the multiple arresters 40 being set on high voltage bus, wherein：
Synchronous phasor measurement system 10 is sent to center monitoring for obtaining power grid real time status information and passing through Ethernet
Control system, power grid real time status information include：Circuit state message, synchronous phasor measurement information, arrester status information and
The Big Dipper defends location information；
Center monitoring control system 20 is scheduled early warning control for analyzing and processing power grid real time status information；
Big-dipper satellite alignment system 30 is used to emit big-dipper satellite location information, big-dipper satellite to synchronous phasor measurement system
Location information includes positioning position information and authorizes temporal information；
Arrester 40 is used to provide arrester status information to synchronous phasor measurement system.
The power grid wide area real-time monitoring system of the utility model embodiment includes：Multiple synchronous phasor measurement system centre prisons
Control control system, big-dipper satellite alignment system and the multiple arresters being set on high voltage bus, the big-dipper satellite of the system
Alignment system is mainly that synchronous phasor measurement system provides location information and time service information, and arrester is synchronous phasor measurement system
Arrester status information is provided, synchronous phasor measurement system is mainly responsible for acquiring and calculating the synchronized phase of one's respective area range
Information, big-dipper satellite location information, the status information of arrester and circuit state message etc. are measured, and according to the information acquired
Whether the power network line in analysis one's respective area there is exception, decides whether to start warning information, while it is also responsible for timing and incite somebody to action this
All data of power grid are reported to center monitoring control system in regional extent, and center monitoring control system is mainly responsible for reception and comes
The big-dipper satellite location information being calculated, the status information of arrester and circuit are acquired from each synchronous phasor measurement system
Status information etc., and analyzed for these data, whether the current working condition of decision power grid is normal, if electric power occurs
The unbalanced phenomena of load, and send out alarm, repairing signal in time for different situations or dynamically distribute and adjustment power grid
Electric power resource, so as to promote the resource utilization of power grid.
The power grid wide area real-time monitoring system of the utility model embodiment, can be with by being directed to the real time monitoring of electric network state
Understand at any time power grid different moments, different section power transmission state, once there is exception or natural calamity to happen, so that it may
With understand transmission line in first time failure and problem where, and the position that problem failure is occurred can be accurately positioned
It puts, greatly reduces when conventional electric power system breaks down and spend the expense largely manually investigated.It can be most by monitoring system
The electric power overhaul personnel of profession is sent to overhaul trouble point in short time, can greatly reduce electric system appearance in this way
System recovery time after failure, so as to which influence of the electric power system fault to people's production and living is preferably minimized.Pass through power grid
Wide area monitors in real time, can cause electric power authorities grasp at any time different zones, demand of the different circuit to electric power resource with
Expenditure Levels consequently facilitating dispatching of power netwoks is made to be truly realized the overall view overall situation, science decision, correct commander, are completed to electric system
Operation control.The power grid wide area real-time monitoring system of the utility model embodiment alleviates electric power system fault maintenance cost,
Accelerate repairing speed, be conducive to the management and running network system of comprehensive intelligence.
As one for example, referring to Fig. 2, the synchronous phasor measurement system 10 of the utility model embodiment is shown
Structure diagram, synchronous phasor measurement system 10 include a despotic synchronization phasor measuring set 11 and multiple collection control synchronized phasors
Measuring device 12, despotic synchronization phasor measuring set are set to power network line central site, and collection control synchronous phasor measuring device is set
It is placed in power network line and respectively disperses website, pass through optical fiber between despotic synchronization phasor measuring set sum aggregate control synchronous phasor measuring device
Communication.
The synchronous phasor measurement system of the utility model embodiment using distributed structure setting in different regions, one
Despotic synchronization phasor measuring set is set in central site in a region, each website that disperses sets collection control synchronous phasor measurement respectively
The synchronized phasor data that acquisition measures are transferred to master by device, each collection control synchronous phasor measuring device for disperseing website by optical fiber
Synchronous phasor measuring device is controlled, on the one hand despotic synchronization phasor measuring set measures the synchronized phasor in this website between power network line
On the other hand data summarize the synchronized phasor data of the collection control synchronous phasor measuring device of each dispersion website received
And analyze and process, center monitoring control system is uniformly sent to, unified monitoring resource, scheduling is done by central monitor system and is divided
Match.
As another for example, referring to Fig. 3, the despotic synchronization phasor measurement dress of the utility model embodiment is shown
11 structure diagram is put, despotic synchronization phasor measuring set 11 includes:
Big-dipper satellite location information receiving unit 110, the big-dipper satellite for receiving big-dipper satellite alignment system transmission are determined
Position information；
Arrester status information receiving unit 111, for receiving the arrester status information of arrester transmission；
First synchronous phasor measurement unit 112, for the synchronization phase between out of phase between measuring center website power network line
It measures to the first synchronized phasor data；
Data Analysis Services unit 113, for analyze and process big-dipper satellite location information, arrester status information with it is synchronous
Phasor data obtains line state information；
Ethernet photoelectric conversion unit 114, it is same for receiving the second of simultaneously Transform Sets control synchronous phasor measuring device transmission
Walk phasor data and built-in potential measurement data；
Ethernet exchanging unit 115 controls for passing through Ethernet with collection control synchronous phasor measuring device and center monitoring
System carries out information exchange；
Storage unit 116, for storing big-dipper satellite location information, arrester status information and synchronous phasor measurement letter
Breath, synchronous phasor measurement information include the first synchronized phasor data, the second synchronized phasor data and built-in potential measurement data；
And line status shows prewarning unit 117, for showing line state information, when power network line breaks down
Carry out early warning.
As another for example, the big-dipper satellite location information receiving unit 110 of the utility model embodiment includes
Big Dipper satellite signal receiving subelement 1101 and big-dipper satellite time service subelement 1102, Big Dipper satellite signal receiving subelement is used for
Receive the positioning position information that big-dipper satellite alignment system is sent；Big-dipper satellite time service subelement positions for receiving big-dipper satellite
The mandate temporal information that system is sent.
The despotic synchronization phasor measuring set of the utility model embodiment is the key that obtain power grid real time status information, north
Bucket satellite positioning information receiving unit and arrester status information receiving unit are each responsible for receiving from big-dipper satellite positioning system
The information of system and the information of arrester；First synchronous phasor measurement unit is responsible between central site power network line between out of phase
Synchronized phasor acquires；The second synchronization phase that Ethernet photoelectric conversion unit receives and Transform Sets control synchronous phasor measuring device is sent
Measure data and built-in potential measurement data；Storage unit storage big-dipper satellite location information, arrester status information, first synchronize phase
Measure data, the second synchronized phasor data and built-in potential measurement data；The analysis storage unit storage of Data Analysis Services cell processing
All data informations, on the one hand by analyzing arrester status information, it is abnormal existing that whether detection power network line occurs being struck by lightning etc.
As on the other hand, being positioned by the geometrical relationship baseband analyzer between big-dipper satellite location information, several big-dipper satellites
Error correction algorithm when solution and satellite-signal transmit carries out analysis and solution to the location information of itself, is accurate to
Real-time display to line status is shown prewarning unit and is sent to center monitoring control by location information, the result of analyzing and processing
System；During all data informations, line state information and/or warning information are sent to by Ethernet exchanging unit by internet
On heart monitoring control system, if analyzing the state for carrying out power circuit detection exception occurs, abnormal alarm information will be provided, with
Remind related responsible organization or personal maintenance and investigation into row line.
As another for example, referring to Fig. 4, the collection control synchronous phasor measurement dress of the utility model embodiment is shown
12 structure diagram is put, collection control synchronous phasor measurement fills 12 and includes：
Collection control control administrative unit 120, manages for controlling.
Built-in potential measuring unit 121 obtains for measuring the built-in potential between each dispersion website power network line between out of phase
Built-in potential measurement data；
Second synchronous phasor measurement unit 122, for measuring between each dispersion website power network line synchronous phase between out of phase
It measures to the second synchronized phasor data；
Big Dipper satellite signal unit 123, for receiving the positioning position information of big-dipper satellite alignment system transmitting.
Optical fiber transmission unit 124, for sending the second synchronized phasor data and built-in potential measurement data to despotic synchronization phase
Measuring device.
The collection control synchronous phasor measuring device of the utility model embodiment is set to the dispersion website in a region, including collection
Control control administrative unit, built-in potential measuring unit, the second synchronous phasor measurement unit, Big Dipper satellite signal unit and optical fiber pass
Defeated unit, it is simple in structure, it is responsible for acquisition and measures the synchronized phasor data disperseed between website power network line and built-in potential data and pass
Despotic synchronization phasor measuring set is defeated by, in addition, the positioning position information of the big-dipper satellite transmitted and received simultaneously, convenient for master control
Synchronous phasor measuring device management collection control synchronous phasor measuring device.
As another for example, referring to Fig. 5, the center monitoring control system 20 of the utility model embodiment is shown
Structure diagram, center monitoring control system 20 includes：Fire wall 211, interchanger 201, the front end clothes connected by Ethernet
Be engaged in device 202, on-line data analysis server 203, management and running monitoring server 204, off line data analysis server 205, after
Platform server 206 and historic data server 207, wherein
Front-end server 202 includes front server 2021 and web server 2022, for receiving external data information
And the service of access is provided to outside, external data includes power grid real time status information；
External data information is successively by fire wall 211, interchanger 201 to front server 2021, web server
2022 access service is successively provided by interchanger 201, fire wall 211 to outside；
On-line data analysis server 203 obtains real-time grid for the power grid real time status information that on-line analysis receives
Work state information；
Management and running monitoring server 204 is believed according to the power grid real time status information and real-time grid working condition received
Breath generation scheduling warning information；
Off line data analysis server 205 be used for according to power grid real time status information, real-time grid work state information with
And scheduling warning information carries out the mathematical modeling of power grid operation state, analysis obtains prediction result data；
Background server 206 divides for background application with management and with management and running monitoring server and online data
Analysis server interacts；
Historic data server 207 is used to store power grid real time status information, real-time grid work state information, scheduling in advance
Alert information and prediction result data.
All information for receiving and handling from different synchronous phasor measurement systems, in being sent to by internet
Heart monitoring control system, before external linking Internet, it is necessary to by network firewall 211, with ensure all data with
Access is safe, does not interfere with and occurs safety problem inside monitoring center.The front-end server of center monitoring control system
It is responsible for receiving the data information from outer net, while also provide service to the access from outer net.What front-end server was received
On the one hand data, state, information etc. send background server to, on the one hand supervised for on-line data analysis server and management and running
Control server carry out Data Analysis Services, background server for back-stage management apply with management, while also be responsible for in line number
It is interacted according to server and management and running monitoring server.On-line data analysis server mainly passes through the power grid that receives
Various parameters, as the carry out such as the status information of voltage, electric current, synchronous phasor values and arrester and geographical location information are online
Analysis, so as to obtain the working condition of power grid in real time, power failure may be occurred by predicting certain circuits or region by analysis
When, can fault alarm information be sent out to relevant administrative department and professional repair personnel in time, so as to ensure to go out in power network line
The first time of existing failure obtains fault location information promptly and accurately, so as to be reduced to greatest extent since power failure may
The loss brought.Management and running monitoring server is by the monitoring situation of circuit each to power grid, with reference to on-line analysis server institute
The load of obtained different circuits and abnormal conditions in time carry out the resource of power network line rational distribution and scheduling, so as to
It is whole to improve power network resources service efficiency and service provision capacity.Receive the monitoring data from outer net, the shape that analysis obtains
State data and electric power resource monitoring, scheduling warning data etc. all uniformly send historic data server to, for depositing for data
Storage.These data carry out the analysis modeling of power grid operation state for off line data analysis server, pass through these historic states
And various natural calamities or the electric network fault caused by special circumstances once occurred, analysis mathematical modeling is carried out, passes through digging
Pick can be likely to occur fortuitous event on different zones, different circuits to network system from analysis and predict, and will be pre-
The result of survey is used for trouble-saving, so as to which the loss that may be brought due to chance failure is preferably minimized.
The center monitoring control system of the utility model embodiment finds different region, no by big data analysis in real time
The situation of change and incidence relation of collinear road various parameters, and duty management personnel are fed back in the form of figure, image, with
The situation of change of electrical network parameter can be timely and effectively grasped convenient for administrative staff, so as to analyze the stability characteristic (quality) of power grid.Pass through
Fault data against history carries out analysis modeling, can obtain network system and is likely to occur on different zones, different circuits
Fortuitous event is predicted, can do sth. in advance to prevent the failure being likely to occur according to prediction, thus can due to chance failure
The loss that can be brought is preferably minimized.Load on power grid on each region or different circuit is dynamic change, may be in certain spies
Timing is carved or special event occurs, and causes electric power resource on some regions or certain circuits nervous, and other regions or circuit
Upper electric power resource space is not busy, and the unbalanced of this load can not only accelerate the aging of certain circuits, but also have an effect on electric power resource
Service efficiency, while the social life of some regions can be also influenced, in order to avoid such case occurs, central control system passes through
Monitoring analysis as a result, real-time obtain each circuit of power grid, the electric power resource service condition on region, and according to practical need
It asks, the distribution of dynamic adjustresources, so as to optimize the efficiency of transmission of power grid.
As another for example, referring to Fig. 5, the center monitoring control system 2 of the utility model embodiment further includes：
Preposition backup server 208, background backup server 209 and historical data backup server 210 are respectively used to back up preposition clothes
The data of business device, background server and historic data server.In order to ensure the safety of system with reliable, the utility model is implemented
The links of the data processing of the center monitoring control system of example, including foreground and background data reception, storage of history data P etc. all
Backup server specially is increased, this greatly improves the safety of monitoring center, because it remains the status information of the whole network
Data, while also decide the heavy responsibility that scheduling and distribution are optimized to electric power resource, it is therefore necessary to ensure it is safe and reliable.
As another for example, referring to Fig. 1, the power grid wide area real-time monitoring system of the utility model embodiment also wraps
User terminal 50 is included, for the work of real time inspection and administrative center's monitoring control system, user terminal 50, synchronous phasor measurement
Pass through NBIOT protenchyma connected network communications between system 10 and center monitoring control system 20.The power grid of the utility model embodiment
Wide area real-time monitoring system further includes user terminal, and the monitoring management personnel of monitoring center can utilize computer, mobile equipment
Wait user terminals that the power monitoring state of monitoring center is checked and managed in real time, user terminal, synchronous phasor measurement system
Carried out data transmission between system and center monitoring control system by NBIOT protenchyma connected network communications, tradition by communication network GPRS
The cost is relatively high, is easily interfered, and the mode based on narrowband Internet of Things (NBIOT), which is realized, is transmitted electrical network parameter,
Cost is substantially reduced because existing cellular base station is multiplexed, and can be carried out data transmission using cellular technology, improves system
Antijamming capability, while the maintenance cost of system can also be reduced.
As another for example, the sprocket bit confidence of the big-dipper satellite alignment system transmitting of the utility model embodiment
Breath includes the location information of at least 4 big-dipper satellites.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of principle described in the utility model is not departed from, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
1. a kind of power grid wide area real-time monitoring system, which is characterized in that including：Multiple synchronous phasor measurement systems, center monitoring
Control system, big-dipper satellite alignment system and the multiple arresters being set on high voltage bus,
The synchronous phasor measurement system is sent to the center prison for obtaining power grid real time status information and passing through Ethernet
Control system is controlled, the power grid real time status information includes：Circuit state message, synchronous phasor measurement information, arrester state
Information and the Big Dipper defend location information；
The center monitoring control system is scheduled early warning control for analyzing and processing the power grid real time status information；
The big-dipper satellite alignment system is used to emit big-dipper satellite location information, the north to the synchronous phasor measurement system
The satellite positioning information that struggles against includes positioning position information and authorizes temporal information；
The arrester is used to provide arrester status information to the synchronous phasor measurement system.
A kind of 2. power grid wide area real-time monitoring system according to claim 1, which is characterized in that the synchronous phasor measurement
System includes a despotic synchronization phasor measuring set and multiple collection control synchronous phasor measuring devices, and the despotic synchronization mutually measures
Amount device is set to power network line central site, and the collection control synchronous phasor measuring device, which is set to power network line, respectively to be disperseed to stand
Point passes through fiber optic communication between the despotic synchronization phasor measuring set sum aggregate control synchronous phasor measuring device.
A kind of 3. power grid wide area real-time monitoring system according to claim 2, which is characterized in that the despotic synchronization phasor
Measuring device includes:
Big-dipper satellite location information receiving unit is determined for receiving the big-dipper satellite that the big-dipper satellite alignment system is sent
Position information；
Arrester status information receiving unit, for receiving the arrester status information that the arrester is sent；
First synchronous phasor measurement unit obtains for the synchronized phasor between out of phase between measuring center website power network line
One synchronizes phasor data；
Data Analysis Services unit, for analyzing and processing the big-dipper satellite location information, arrester status information and synchronous phase
Amount data obtain line state information；
Ethernet photoelectric conversion unit synchronizes phase for receiving and converting the collection control synchronous phasor measuring device is sent second
Measure data and built-in potential measurement data；
Ethernet exchanging unit, for passing through, Ethernet and the collection control synchronous phasor measuring device and the center monitoring controls
System carries out information exchange；
Storage unit, for storing the big-dipper satellite location information, arrester status information and synchronous phasor measurement information, institute
It states synchronous phasor measurement information and includes the first synchronized phasor data, the second synchronized phasor data and built-in potential measurement data；
And line status shows prewarning unit, for showing line state information, is carried out when power network line breaks down pre-
Alert prompting.
A kind of 4. power grid wide area real-time monitoring system according to claim 3, which is characterized in that the big-dipper satellite positioning
Information receiving unit includes Big Dipper satellite signal receiving subelement and big-dipper satellite time service subelement, the Big Dipper satellite signal connect
Subelement is received to be used to receive the positioning position information that the big-dipper satellite alignment system is sent；Big-dipper satellite time service
Unit is used to receive the mandate temporal information that the big-dipper satellite alignment system is sent.
A kind of 5. power grid wide area real-time monitoring system according to claim 2, which is characterized in that the collection control synchronized phasor
Measuring device includes：
Collection control control administrative unit, manages for controlling；
Built-in potential measuring unit obtains built-in potential for measuring the built-in potential between each dispersion website power network line between out of phase and surveys
Measure data；
Second synchronous phasor measurement unit obtains for measuring between each dispersion website power network line synchronized phasor between out of phase
Two synchronized phasor data；
Big Dipper satellite signal unit, for receiving the positioning position information of the big-dipper satellite alignment system transmitting；
Optical fiber transmission unit, for sending the second synchronized phasor data and built-in potential measurement data to the despotic synchronization phase
Measuring device.
A kind of 6. power grid wide area real-time monitoring system according to claim 1, which is characterized in that the center monitoring control
System includes：Pass through the fire wall of Ethernet connection, interchanger, front-end server, on-line data analysis server, management and running
Monitoring server, off line data analysis server, background server and historic data server,
The front-end server includes front server and web server, for receiving external data information and to outside
The service of access is provided, the external data includes power grid real time status information；
The data information of the outside is successively by fire wall, interchanger to the front server, the visit of the web server
The service of asking successively is provided by interchanger, fire wall to outside；
The on-line data analysis server obtains real-time electricity for the power grid real time status information that on-line analysis receives
Net work state information；
The management and running monitoring server works according to the power grid real time status information received and the real-time grid
Status information generation scheduling warning information；
The off line data analysis server be used for according to the power grid real time status information, real-time grid work state information with
And scheduling warning information carries out the mathematical modeling of power grid operation state, analysis obtains prediction result data；
The background server divides for background application with management and with the management and running monitoring server and online data
Analysis server interacts；
The historic data server is used to store the power grid real time status information, real-time grid work state information, scheduling
Warning information and prediction result data.
A kind of 7. power grid wide area real-time monitoring system according to claim 6, which is characterized in that the center monitoring control
System further includes：Preposition backup server, background backup server and historical data backup server, are respectively used to described in backup
The data of front server, background server and historic data server.
8. a kind of power grid wide area real-time monitoring system according to claim 1, which is characterized in that user terminal is further included,
For real time inspection and the work for managing the center monitoring control system, the user terminal, synchronous phasor measurement system with
Pass through NBIOT protenchyma connected network communications between center monitoring control system.
A kind of 9. power grid wide area real-time monitoring system according to claim 1, which is characterized in that the big-dipper satellite positioning
The positioning position information of system transmitting includes the location information of at least 4 big-dipper satellites.
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