CN102253269A - Integrated processing system for real-time data of electric power based on cloud computing and designing method - Google Patents
Integrated processing system for real-time data of electric power based on cloud computing and designing method Download PDFInfo
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Abstract
The invention relates to an integrated processing system for real-time data of electric power based on cloud computing and a designing method. The computing and processing of tristate data can be completely realized by adopting a set of acquisition equipment and a set of distributed cloud storing, a cloud computing and cloud service mode, and respective computing values can be provided for various different application components so as to greatly reduce the number of configurated acquisition units of intelligent equipment; uniform data processing, computing and sharing are actually realized, a conventional functional device is changed into a functional component, the traffic and nodes on external network are effectively reduced, the communication network structure is optimized, and the network communication pressure is reduced, thereby being favorable for improving the system reliability and reducing the installation cost and maintenance expenses of the system.
Description
Technical field
The invention belongs to Automation of Electric Systems information acquisition and control field, relate to electric system real-time data acquisition, processing and control system, especially based on the power real-time data integrated processing system and the method for designing of cloud computing.
Background technology
The data acquisition function of conventional electric power system and concrete logic judging function are in conjunction with tight, usually finish by single hardware device, therefore, finishing different functions just needs configuration different equipment or system, and all there are separately independently data acquisition unit in the equipment of these difference in functionalitys or system.Each data acquisition exists that overlapping collection, utilization factor are not high, data and problems such as the information content is inconsistent, time disunity, formed " information island " that, horizontal system many with vertical level mostly is principal character, restricted the further fusion and the application of information, the repeated acquisition of data and information and repetition transmission process certainly will cause the waste of various resources.
In order to realize the conduct monitoring at all levels to the operation of power networks state, various types of aut.eq. are applied to each link of intelligent grid.As gather the supervisory system measurement and control unit of steady state data, the phasor measuring set (PMU) of gathering dynamic data, the protective device of gathering Temporal Data and fault wave recording device etc.But, because the influence of factors such as developing background, design concept, technical merit, operation custom, administrative authority causes data source disunity, hardware repetition, function to intersect.And various types of equipment hardware and software technical merit is uneven, and communication capacity and stipulations are not quite similar, and networking is not respectively mostly at present carried out exchanges data between mutually substantially, and equipment room information is independent, and the equipment component application function is provided with overlapping.
With the transformer station is example, and as shown in Figure 1, instrument is divided into three classes: the protection class, and the observing and controlling class, the metering class, they have the A/D unit of oneself, all directly are connected with TA/TV.There are the following problems:
(1) (TA, TV) by " measurement " repeatedly, the precision of every instrument differs the basis amount, has caused data inconsistent, and is also uneconomical on the cost.
(2) (the different and algorithm difference of using of sample frequency has caused same value (as P) also different in different instrument, data redundancy and confusion for TA, TV) precision difference because measure on the basis of every instrument to collect.
(3) system and equipment, communication difficulties between equipment and the equipment.Although at present a collection of relevant standard has been arranged, this difficulty remains one of bottleneck of system implementation in the reality, also is one of resistance of intelligent grid information sharing, information integration target.
(4) process data disappearance, in the process of sampling, produced a large amount of process datas, these data all are valuable for the crash analysis or the professional expansion in later stage, but what we obtained from instrument all is " secondary data " of N computing of process, " simplification value ".
The problem that this separate configurations, independent calculating, the device of standalone feature bring is that information sharing is poor, the low and hardware and software wasting of resources problem of utilization factor.
For solving above-mentioned problem; especially data are gathered respectively, data are handled respectively and key issues such as calculating, data are difficult to share; be necessary to set up new framework of a cover and mechanism; realize that voltage, the current data of same type equipment once gather, can under the unified software application platform of a cover, realize multiple application functions such as observing and controlling, protection, phasor measurement, metering.
Summary of the invention
The purpose of this invention is to provide a kind of power real-time data integrated processing system and method for designing based on cloud computing; poor with the information sharing that solves the equipment separate configurations, independently calculates, the device of standalone feature brings, utilization factor is low and problem soft, the hardware resource waste; realize that voltage, the current data of same type equipment once gather, and multiple application such as observing and controlling, protection, phasor measurement, metering.
Based on the electric system real time data integrated processing system of cloud computing, comprise connecting successively by Networks of Fiber Communications:
Data sampling equipment: a cover mutual inductor TA/TV collecting unit is installed in the outlet of same type power equipment, is used for the AC sampling of carrying out voltage, current instantaneous value by the full accuracy and the frequency of application component requirement;
Cloud data storage pond: the data storage layer of cloud storage interconnects dissimilar memory devices, realize the unified management of mass data, realize the dynamic expansion of centralized management, condition monitoring and capacity simultaneously with memory device, cloud data storage pond is a kind of service-oriented distributed memory system, and voltage, the current instantaneous value data correspondence of utilizing this system to be used for each collecting unit is uploaded deposit each storage unit in;
Cloud data computation platform: be used for calling cloud data storage pond stored voltage, current instantaneous value and calculate the corresponding demand value according to the professional public estimated performance of electric system respectively;
The cloud service access modules: be provided with the cloud service access interface, be used for the triggering according to application component, the cloud computing service by registering on the fiber optic network acquisition network obtains the corresponding demand value from cloud data computation platform.
Further, the described cloud data storage pond voltage, the current instantaneous value that adopt cloud memory technology store sample to arrive according to time series.
Further, described cloud data storage is provided with corresponding with each collecting unit respectively storage unit in the pond, and collecting unit and storage unit are corresponding one by one by mapping address.
Further, described cloud data computation platform is set up the general calculation module, calculates the requirements of application corresponding assembly, public computing module comprise voltage, current effective value calculate, meritorious, the reactive power effective value calculates and electric weight calculates.
The step of electric system real time data integrated design method that the present invention is based on cloud computing is as follows:
(1) a cover mutual inductor TA/TV collecting unit is installed in the outlet of same type power equipment, and an AC sampling of carrying out voltage, current instantaneous value according to the full accuracy and the frequency of system requirements;
(2) voltage that sampling is obtained, current instantaneous value are uploaded to cloud data storage pond, and the data that upload each collecting unit in this cloud data storage pond adopt cloud memory technology corresponding stored according to time series;
(3) voltage in the cloud data computation platform invoke cloud storage pool, current instantaneous value according to the professional public estimated performance of electric system, are set up the general calculation module respectively, calculate the corresponding demand value;
(4) each application component triggers, and finds Cloud Server by fiber optic network, obtains corresponding demand value or voltage, current instantaneous value by the cloud service access interface from cloud data computation platform.
Further, corresponding stored is meant and is provided with corresponding with each collecting unit respectively storage unit in the cloud data storage pond in the described step (2), and the sampled data that each collecting unit is uploaded is according to corresponding one by one respectively the depositing in the storage unit in cloud data storage pond of mapping address of storage unit.
Further, the general calculation module comprises in the described step (3): the effective value of calculating voltage, electric current, meritorious, idle effective value, electric weight.
Further, described general-purpose computations module can be added flexibly and is provided with.
Power real-time data integrated processing system and method for designing based on cloud computing of the present invention, adopt a cover collecting device, the distributed cloud storage of one cover, it is steady state data (use of supervisory system measurement and control unit) that the mode of cloud computing and cloud service can be completely achieved ternary data, dynamic data (phasor measuring set-PMU uses), the calculating and the processing of Temporal Data (protective device and fault wave recording device use), the calculated value that needs separately is provided for various application component, thereby reduce the configuration quantity of smart machine collecting unit greatly, by the express network communication technology, the real uniform data of realizing is handled, calculate, share, conventional functional device has become the logic function module (functional module) in the unified software platform, effectively reduce flow and number of nodes on the external network, optimize communication network architecture, reduce network service pressure, help improving the reliability of system, the installation cost of reduction system and maintenance cost; Owing to integrated stable state, dynamic, the ternary data of transient state, and obtained full station range information by network collection, thereby unified computed in software platform by the quantity of information scope handling, calculate the back and obtain more extensively and comprehensively, numerous types of data is integrated and real-time analysis makes the better variation of sensory perceptual system environment of whole system, thereby takes the effective strain measure to reduce the influence of substation equipment and the suffered various pathological system situations of electric system as much as possible fast.
Description of drawings
Fig. 1 is existing substation data acquisition principle figure;
Fig. 2 is the systematic schematic diagram of the embodiment of the invention.
Embodiment
Power real-time data integrated processing system based on cloud computing is made up of data sampling layer, data storage layer, data computation layer, data access layer and at a high speed reliable Networks of Fiber Communications five major parts.The supple-settlement system is set up new framework and the realization mechanism of a cover, realize that the instantaneous AC sampling value of equipment voltage, electric current of same type accomplishes once to gather according to high precision, the mode by cover distributed cloud storage, cloud computing and a cloud service provides the calculated value that needs separately for various applying unit.As the measurement and control unit of certain outlet, can obtain the effective value of its outlet voltage, electric current by the direct visit of network in real time, meritorious, idle effective value.
Power real-time data integrated processing system based on cloud computing of the present invention as shown in Figure 2, this soft device is divided into four layers in the specific implementation:
Data sampling layer: be provided with data sampling equipment, sample devices is according to application component function needs in the system, highest frequency and precision that frequency acquisition is set to function and needs are carried out data sampling, for in the electrical network, the same type equipment of low voltage network, adopt the high precision of same set of mutual inductor TA/TV collecting unit realization voltage, electric current multiple spot instantaneous value once to gather, reaching the same type of electrical tolerance of same equipment once gathers, use many places, when reducing cost, have better sampling precision and sample frequency, realize " unification of many harvesters ".Such as, in a former outlet, the harvester that is used for observing and controlling both had been installed, the harvester be used for PMU is installed again, adopting only needs to install a cover after this system and be used to gather voltage, the current instantaneous value of outlet.
Data storage layer: be provided with cloud data storage pond, the cloud memory technology is adopted according to time series in this cloud data storage pond, the voltage, the current instantaneous value data correspondence that are used for each collecting unit is uploaded deposit each storage unit in, and this storage unit is corresponding one by one with each collecting unit by mapping address.
Data computation layer: corresponding to cloud data computation platform, this cloud data computation platform is used for calling cloud data storage pond stored voltage, current instantaneous value respectively according to the professional public estimated performance of electric system, set up the general calculation module, effective value as calculating voltage, electric current, meritorious, idle effective value, electric weight etc., public computing module can add flexibly and be provided with, and calculate the corresponding calculated value.
Data access layer: the cloud service access modules is provided with the cloud service access interface, is used for the triggering according to application component, finds Cloud Server by fiber optic network, can obtain the corresponding calculated value from cloud data computation platform in real time fast.The interface service that data access layer provides comprises voltage, electric current, active power, reactive power effective value cloud service access interface.
More than four layers connect successively by reliable and light switched communication network at a high speed, this communication looped network and power circuit tight association, the fibre circuit of high-speed communication is applied to all intelligent cells along power circuit, for intelligent grid provides powerful high speed information communication port.
The integrated Treatment Design method step of power real-time data based on cloud computing of the present invention is as follows:
(1) a cover mutual inductor TA/TV collecting unit is installed in the outlet of same type power equipment, and an AC sampling of carrying out voltage, current instantaneous value according to the full accuracy and the frequency of system requirements;
(2) voltage that sampling is obtained, current instantaneous value are uploaded to cloud data storage pond, and the data that upload each collecting unit in this cloud data storage pond adopt cloud memory technology corresponding stored according to time series; Corresponding stored is meant and is provided with corresponding with each collecting unit respectively storage unit in the cloud data storage pond herein, and the sampled data that each collecting unit is uploaded is according to corresponding one by one respectively the depositing in the storage unit in cloud data storage pond of mapping address of storage unit;
(3) voltage in the cloud data computation platform invoke cloud storage pool, current instantaneous value according to the professional public estimated performance of electric system, are set up the general calculation module respectively, calculate the corresponding demand value; The general calculation module comprises: the effective value of calculating voltage, electric current, meritorious, idle effective value, electric weight; The general-purpose computations module can be added flexibly and is provided with;
(4) each application component triggers, and finds Cloud Server by fiber optic network, is registered to corresponding cloud computing service, obtains corresponding demand value or voltage, current instantaneous value by the cloud service access interface from cloud data computation platform.
Data acquisition function in the conventional electric power system, computing function and concrete logic judging function are in conjunction with closely, usually finish by single hardware device, therefore, finishing different functions just needs configuration different hardware device or system, and all there are separately independently data acquisition unit in the equipment of these difference in functionalitys or system.The integrated supple-settlement System Design of the electric system real time data based on cloud computing that the present invention proposes is compared with traditional scheme with implementation method, and the key distinction is:
Traditional real-time data acquisition and processing unit are made up of isolated a plurality of systems, and data repeated acquisition and data are incomplete, and observing and controlling, metering, protection, automatic safety device are to realize by different hardware units is local.Its defective is that data acquisition repeats, and data are difficult to share, and the system applies function is difficult to collaborative effectively.The present invention is based on the integrated processing software of the electric system real time data system of cloud computing; observing and controlling; protection; metering; the application function of automatic safety device all is the form of software realization by functional module; thereby reduce the configuration quantity of smart machine collecting unit greatly; by the express network communication technology; the real uniform data of realizing is handled; calculate; share; conventional functional device has become the functional module in the unified software platform; effectively reduce flow and number of nodes on the external network; optimize communication network architecture; reduce network service pressure, help improving the reliability of system; the installation cost of reduction system and maintenance cost.
Claims (9)
1. based on the power real-time data integrated processing system of cloud computing, it is characterized in that, comprise connecting successively by Networks of Fiber Communications:
Data sampling equipment: a cover mutual inductor TA/TV collecting unit is installed in the outlet of same type power equipment, is used for the AC sampling of carrying out voltage, current instantaneous value by the full accuracy and the frequency of application component requirement;
Cloud data storage pond: the data storage layer of cloud storage interconnects dissimilar memory devices, realize the unified management of mass data, realize the dynamic expansion of centralized management, condition monitoring and capacity simultaneously with memory device, cloud data storage pond is a kind of service-oriented distributed memory system, and voltage, the current instantaneous value data correspondence of utilizing this system to be used for each collecting unit is uploaded deposit each storage unit in;
Cloud data computation platform: be used for calling cloud data storage pond stored voltage, current instantaneous value and calculate the corresponding demand value according to the professional public estimated performance of electric system respectively;
The cloud service access modules: be provided with the cloud service access interface, be used for the triggering according to application component, the cloud computing service by registering on the fiber optic network acquisition network obtains the corresponding demand value from cloud data computation platform.
2. the power real-time data integrated processing system based on cloud computing according to claim 1 is characterized in that, voltage, current instantaneous value that described cloud data storage pond adopts cloud memory technology store sample to arrive according to time series.
3. the power real-time data integrated processing system based on cloud computing according to claim 1, it is characterized in that: described cloud data storage is provided with corresponding with each collecting unit respectively storage unit in the pond, and collecting unit and storage unit are corresponding one by one by mapping address.
4. the power real-time data integrated processing system based on cloud computing according to claim 1, it is characterized in that, described cloud data computation platform is set up the general calculation module, calculate the requirements of application corresponding assembly, public computing module comprises that voltage, current effective value calculate, and meritorious, reactive power effective value calculates and electric weight calculates.
5. according to each described power real-time data integrated processing system among the claim 1-4 based on cloud computing, it is characterized in that the cloud service interface that described cloud service access modules provides comprises voltage, electric current, active power, reactive power effective value cloud service access interface.
6. based on the power real-time data integrated design method of cloud computing, it is characterized in that the step of this method is as follows:
(1) a cover mutual inductor TA/TV collecting unit is installed in the outlet of same type power equipment, and an AC sampling of carrying out voltage, current instantaneous value according to the full accuracy and the frequency of system requirements;
(2) voltage that sampling is obtained, current instantaneous value are uploaded to cloud data storage pond, and the data that upload each collecting unit in this cloud data storage pond adopt cloud memory technology corresponding stored according to time series;
(3) voltage in the cloud data computation platform invoke cloud storage pool, current instantaneous value according to the professional public estimated performance of electric system, are set up the general calculation module respectively, calculate the corresponding demand value;
(4) each application component triggers, and finds Cloud Server by fiber optic network, obtains corresponding demand value or voltage, current instantaneous value by the cloud service access interface from cloud data computation platform.
7. the power real-time data integrated design method based on cloud computing according to claim 6, it is characterized in that: corresponding stored is meant and is provided with corresponding with each collecting unit respectively storage unit in the cloud data storage pond in the described step (2), and the sampled data that each collecting unit is uploaded is according to corresponding one by one respectively the depositing in the storage unit in cloud data storage pond of mapping address of storage unit.
8. the power real-time data integrated design method based on cloud computing according to claim 6 is characterized in that, the general calculation module comprises in the described step (3): the effective value of calculating voltage, electric current, meritorious, idle effective value, electric weight.
9. the power real-time data integrated design method based on cloud computing according to claim 8 is characterized in that: described general-purpose computations module can be added flexibly and is provided with.
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