CN102075378A - IEC61850 standard-based GOOSE communication simulation method - Google Patents
IEC61850 standard-based GOOSE communication simulation method Download PDFInfo
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Abstract
On the basis of the unified GOOSE communication transport protocol, the technical problems to be solved at present are how to develop an effective GOOSE communication simulation test and how to verify GOOSE communication behaviors of various intelligent electronic devices (IED) under actual communication conditions in a simulation laboratory and on an engineering test platform. The invention discloses an IEC61850 standard-based GOOSE communication simulation method, which comprises system control language (SCL) file analysis, initial configuration of communication simulation, instantiation configuration of communication simulation, strategy configuration of communication simulation and online communication simulation. A GOOSE simulation mechanism is established through extensible markup language (XML) analysis, the online simulation of the GOOSE communication behaviors of a substation automation system is realized, an intuitive and reliable simulation method is provided for an intelligent power network simulation laboratory, and a practical testing method is provided for construction of an intelligent substation automation system.
Description
Technical field
The present invention relates to W3C standard " Extensible Markup Language (XML) 1.1 (Second Edition " and international standard " substation communication network and the system " transformer substation case towards general object (GOOSE) (IEC61850) application, specifically a kind of GOOSE communication simulation method based on the IEC61850 standard in electric substation automation system.
Background technology
The IEC61850 standard is a TC57 working group of International Electrotechnical Commission at " substation communication network and the system " series standard that solves the up-to-date formulation of interoperability issue that electric substation automation system faces.This standard obtains the support of domestic and international most of main flow producer, become the whole world in automation of transformation substations field unique unified standard.
Transformer substation case GOOSE towards general object is that the IEC61850 standard is for solving a kind of rapid message mechanism that transformer station's high-speed traffic demand proposes.The GOOSE message maps directly to link layer and physical layer behind presentation layer, and adopts and to have the switching Ethernet technology of priority and virtual LAN VLAN sign (IEEE 802.1Q), has guaranteed the reliability and the real-time of message transmissions.IEC61850 standard code SCL file is an electric substation automation system communicate configuration descriptive language file, automated system GOOSE messaging parameter and case history data structure have been comprised in the SCL file, and the SCL file be with W3C standard x ML as metalanguistic, therefore actual engineering GOOSE communication feature is exactly to realize giving full expression to of text configuration with XML metalanguage.
Along with the regional construction of intelligent grid and applying of intelligent substation new technology, the IEC61850 standard has been widely used in the intelligent grid electric substation automation system.On unified GOOSE communication transport protocols basis, how to carry out effective GOOSE communication simulation test, how in simulation laboratory and engineering test platform the GOOSE communication behavior of the various IED under the actual communication operating mode to be verified, be the technical problem that needs to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of GOOSE communication simulation method based on the IEC61850 standard, importing meets the automated system device model and the configuration of IEC61850 standard, the simulated intelligence electronic equipment is as rapid message publisher and recipient's GOOSE communication behavior, to realize the emulation of automated system equipment online in real time.
Whole simulation principle of the present invention as shown in Figure 1, adopt the SCL file to generate the emulated data parameter of corresponding " intelligent electronic device " automatically, use the communication simulation strategy simultaneously, control GOOSE communication behavior, from the communication behavior of communication network " emulation carrier " and " intelligent electronic device " is on all four, therefore can utilize " emulation carrier " to substitute actual " intelligent electronic device ", thereby provide a kind of communication means debugging, emulation and the test of whole automated system.
The GOOSE communication simulation method that the present invention adopts as shown in Figure 2, mainly comprise the parsing of SCL model file, communication simulation initial configuration, communication simulation instantiation configuration, communication simulation policy configurations and five key links of online communication emulation, the realization general condensed summary of concrete link is as follows:
(1) the SCL model file is resolved
Adopt standard x ML resolver to read in electric substation automation system SCL model configuration file in the DOM mode, parsing comprises the intelligent electronic device tabulation of GOOSE configuration, GOOSE accessing points at each intelligent electronic device, extract have related parameter and the data that GOOSE transmitting-receiving communication relates to and (mainly comprise the GOOSE transmit control block, the data type of transmit data set information and each data element, the Input configuration information that GOOSE receives etc.), and set up GOOSE automatically according to above information and send information point and receive corresponding relation between the information point, and then form the GOOSE messaging parameter of intelligent electronic device, GOOSE sends the information point tabulation, GOOSE receives the information point tabulation.
(2) communication simulation initial configuration
Initial configuration comprises communication parameter configuration and two contents of data parameters default configuration.
Messaging parameter comprises minimum time T1, heart time T0, multicast mac address, APPID, GOCBRef, GoID and TEST, in the initial configuration process above messaging parameter is written into the emulation carrier automatically.Data parameters comprises data structure and data type, and the data structure performance is XML data nest relation, and data type is a single point signals, two point signal, floating data and integer data.In the initial configuration process, the emulation carrier is set up the artificial intelligence table according to XML data nest relation automatically, gives default runtime value for the emulated data parameter automatically simultaneously.
(3) communication simulation instantiation configuration
The instantiation configuration comprises exemplary configuration and two contents of data instance names associate configuration of GOOSE emulated data.From the artificial intelligence table, select to need to participate in the data object of emulation, send data change state and runtime value, dispose the supervision runtime value that emulation receives data simultaneously according to specifically edited emulation by the equipment energy characteristic of the intelligent electronic device of emulation.According to actual intelligent electronic device engineering background, the concrete engineering definition that configuration GOOSE transmits and receive data.
The emulation carrier possesses data input/output interface, the configuration of GOOSE simulation example can be saved as external file, also possesses the outside function that file is realized the configuration of GOOSE simulation example that imports.
(4) communication simulation policy configurations
The communication simulation strategy provides real-time status to change emulation, status switch changes emulation and three kinds of patterns of the self-driven variation emulation of logic.Real-time status changes simulation model and is used for the process that remote signalling generation displacement is manually put in the cooperation of simulated intelligence electronic equipment, status switch changes simulation model simulated intelligence electronic equipment and cooperates auto testing instrument to trigger the process of a plurality of signals displacements simultaneously, the self-driven variation analogue simulation of logic intelligent electronic device GOOSE input and output internal trigger mechanism respectively in a plurality of sequential.
In order to reach better simulated effect, the signal under two kinds of patterns of real-time status and status switch has all comprised initial state and these two states of run mode, corresponding to simulator initialization procedure state and running state.During real-time status emulation, manually revise the signal value that run mode is concerned about one by one, signal of every modification just triggers the GOOSE service and sends the displacement signal.During status switch emulation, what running statuses determine earlier needs, and sets the signal value of each state, and whether the triggered time of setting each state is at interval set these status switches and circulate and carry out repeatedly, just starts GOOSE communication then.The emulation carrier adopts a timer to judge whether the current time counting reaches the triggered time, as reaches then just the signal value of this state to be served by GOOSE and send.Under the status switch changing pattern, allow to set the constant duration strategy of signal displacement one by one, trigger the displacement one by one of GOOSE signal automatically, thereby make things convenient for GOOSE to receive and dispatch the signal of communicating pair a debugging.
Realizing adopting the self-driven GOOSE communication simulation strategy of logic on the basis that GOOSE emulation receives and GOOSE emulation sends.As shown in Figure 3, the self-driven GOOSE communication simulation strategy of logic comprises that three link: GOOSE receive, and GOOSE sends and the input and output logical drive.Wherein key link is the I/O logical drive, and the I/O logical drive is followed corresponding emulation rule, i.e. I/O logical drive rule has determined the trigger condition that GOOSE sends.Satisfied the needed initial conditions of I/O logical drive rule when emulation platform receives the GOOSE message, just driven GOOSE and send emulation according to predefined logic rules.This logic element comprises, I/O logical drive rule can be pre-defined according to test request, form general logical drive rule base, in communication simulation, directly call respective logic driving rule and can realize the Simulation Strategy configuration.
(5) online communication emulation
Online communication emulation comprises that GOOSE sends emulation and GOOSE receives two contents of emulation.
On instantiation configuration text basis, generate the online GOOSE simulation configurations of intelligent electronic device file, based on configuration file and Simulation Strategy operation GOOSE communication service, and by external communication interface realization real-time simulation.Before the emulation, the network interface card of selecting the GOOSE service to be relied on earlier.The GOOSE communication service makes the GOOSE message directly walk around the ICP/IP protocol stack by the data link layer direct communication based on WinPCAP bottom-layer network communication kit.The GOOSE communication service strictly observes the IEC61850 standard.
(a) GOOSE sends emulation
GOOSE sends emulation to carry out based on the data centralization signal of the GOOSE transmit control block association of disposing in the model, needs to select the model as the intelligent electronic device of transmit leg before the emulation.The transmission Simulation Strategy is followed in online GOOSE transmit status and numerical value change strictness.The displacement situation of GOOSE sending module real time detection signal when the no signal displacement, periodically sends the GOOSE signal with constant duration.When detecting the signal displacement, repeat to send GOOSE displacement signal with time interval of index variation.By operation GOOSE service, and in the process of communication simulation, change Control on Communication strategy and instantiation data, thus the online GOOSE communication of simulated intelligence electronic equipment.
(b) GOOSE receives emulation
GOOSE receives emulation to carry out based on the GOOSE received signal that disposes in the model, need judge the relation of GOOSE receiving-transmitting sides during reception, so needs to select simultaneously the model of transmit leg and corresponding recipient's intelligent electronic device before the emulation.It mainly is the real-time status that monitors the GOOSE received signal that GOOSE receives emulation, and record GOOSE displacement signal and the displacement time each time.GOOSE receives GOOSE message on the emulation real time monitoring network, in order to strengthen the fidelity of actual intelligent electronic device emulation, only receives the GOOSE transmit leg packet of coupling, filters out the GOOSE that has nothing to do with the recipient and sends packet.GocbRef in the GOOSE message that judge to send thinks that the match is successful when GoID, DataSetRef and recipient's configuration consistency; Then, press ASN.1 rule parsing message and obtain the signal value that GOOSE receives.
The present invention resolves by the XML language and makes up the GOOSE emulation mechanisms, realized the in-circuit emulation of electric substation automation system GOOSE communication behavior, for intelligent grid simulation laboratory provides an intuitive and reliable emulation mode, for the construction of intelligent substation automated system provides a kind of method of testing of practicality, in electric power system, applied important function for the IEC61850 standard simultaneously.
The present invention adopts in actual electric substation automation system, and the validity of emulation mechanisms and reliability have obtained the engineering test checking, has possessed the theory and practice basis that the electric substation automation system technology is used.
The invention will be further described below in conjunction with specification drawings and specific embodiments.
Description of drawings
Fig. 1 is a GOOSE communication simulation schematic diagram of the present invention.
Fig. 2 is a GOOSE communication simulation method schematic diagram of the present invention.
Fig. 3 is the self-driven Simulation Strategy schematic diagram of logic of the present invention.
Fig. 4 is the embodiment of the invention bus self-driven tactful schematic diagram of logic at interval.
Embodiment
With the female bus measure and control device of the actual 500kV I of digital transformer substation engineering is example, illustrates that the present invention carries out the implementation procedure of emulation.
Relevant GOOSE configuration file is as follows in the measure and control device SCL model, comprises two intelligent electronic devices in the model file, and one is the female bus measure and control device of 500kV I, and another is the female bus intelligent end device of 500kV I.Communicate by letter by GOOSE, the female bus measure and control device of 500kV I receive plug-in strip that the female bus intelligent end device of 500kV I sends, the cutter state information, the female bus measure and control device of 500kV I sends to the relevant plug-in strip control of the female bus intelligent end device of 500kV I and allows signal simultaneously.
(1) SCL document analysis
Adopt standard x ML resolver to read in " the female bus measure and control device of 500kV I " SCL model configuration file, resolve and obtain following messaging parameter and data parameters, as shown in Table 1 and Table 2 in the DOM mode.
Table 1 communication parameter list
| The messaging parameter title | Send | Receive |
| Multicast address | 01-0C-CD-01-02-27 | 01-0C-CD-01-10-01 |
| Minimum time T1 | 5ms | 5ms |
| Heart time T0 | 15000ms | 15000ms |
| The VLAN numbering | 3 | 3 |
| APPID | 0227 | 1001 |
| GOCBRef | CM5001GOLD/LLN0.gocb0 | IM5001GOLD/LLN0.gocb0 |
| GoID | CM5001GOLD/LLN0.gocb0 | IM5001GOLD/LLN0.gocb0 |
| TEST | 0 | 0 |
Table 2 data parameters table
(2) initial configuration
In the initial configuration process, directly import messaging parameter, will receive and send data then and form edit list, and give the default value of data correspondence, as shown in table 3.
Table 3 initial configuration table
(3) instantiation configuration
In the instantiation layoutprocedure, select the emulated data of acceptance and transmission according to actual project situation, and give actual engineering implication of data and case history value, as shown in table 4.
Table 4 instantiation allocation list
(4) communication simulation policy configurations
The self-driven pattern of communication simulation policy selection logic, the logical drive rule as shown in Figure 3.
(5) online communication emulation
On instantiation configuration and logical simulation policy configurations basis, implement online GOOSE communication simulation.Emulation carrier communication interface is according to messaging parameter and data parameters, detect and resolve the GOOSE message that the female bus intelligent terminal of 500kV I sends in real time, establish (three ground connection plug-in strip Pos.stVal signal values are 01) behind the branch position signal of ground connection plug-in strip, the female busbar grounding plug-in strip 1 of 500kV I, the female busbar grounding plug-in strip 2 of 500kV I if receive the female bus mother of 500kV I simultaneously, time controller is counted 5 second time, as shown in Figure 4.If the branch position signal of three ground connection plug-in strips keeps always, then after 5 second time, emulation carrier communication interface is established plug-in strip by the female bus mother of GOOSE message output 500kV I and is allowed operation signal (the CM5001GOLD/QG1CILO1.EnaOp.stVal signal value is 1); When the state variation of any one ground connection plug-in strip is an overstepping one's bounds position signal, then emulation carrier communication interface is established plug-in strip quiescing signal (CM5001GOLD/QG1CILO 1.EnaOp.stVal signal value is 0) by the female bus mother of GOOSE message output 500kV I.
Claims (5)
1. based on the GOOSE communication simulation method of IEC61850 standard, it comprises SCL document analysis, communication simulation initial configuration, communication simulation instantiation configuration, communication simulation policy configurations and online communication emulation;
The step of described SCL document analysis is: adopt standard x ML resolver to read in electric substation automation system SCL model configuration file in the DOM mode, resolve the intelligent electronic device tabulation that it comprises the GOOSE configuration, GOOSE accessing points at each intelligent electronic device, what extract that GOOSE transmitting-receiving communication relates to has related parameter and data, and set up GOOSE automatically according to above information and send information point and receive corresponding relation between the information point, and then the GOOSE messaging parameter, the GOOSE that form intelligent electronic device send the information point tabulation, GOOSE receives the information point tabulation;
The step of described communication simulation initial configuration is: in the initial configuration process, above-mentioned GOOSE messaging parameter is written into the emulation carrier automatically, the emulation carrier is set up the artificial intelligence table according to XML data nest relation automatically, gives default runtime value for the emulated data parameter automatically simultaneously;
The step of described communication simulation instantiation configuration is: the data object of selecting to need to participate in emulation from the artificial intelligence table, according to by the equipment energy characteristic of the intelligent electronic device of emulation, concrete editor emulation sends data change state and runtime value, disposes the supervision runtime value that emulation receives data simultaneously; According to actual intelligent electronic device engineering background, the concrete engineering definition that configuration GOOSE transmits and receive data;
Described communication simulation strategy provides real-time status to change emulation, status switch changes emulation and three kinds of patterns of the self-driven variation emulation of logic, real-time status changes simulation model and is used for the process that remote signalling generation displacement is manually put in the cooperation of simulated intelligence electronic equipment, status switch changes simulation model simulated intelligence electronic equipment and cooperates auto testing instrument to trigger the process of a plurality of signals displacements simultaneously, the self-driven variation simulation model of logic simulated intelligence electronic equipment GOOSE input and output internal trigger mechanism respectively in a plurality of sequential;
The step of described online communication emulation is: on the basis of instantiation configuration, generate the online GOOSE simulation configurations of intelligent electronic device file, based on simulation configurations file and Simulation Strategy operation GOOSE communication service, and by external communication interface realization real-time simulation.
2. the GOOSE communication simulation method based on the IEC61850 standard according to claim 1, it is characterized in that described online communication emulation comprises that GOOSE sends emulation and GOOSE receives emulation, described GOOSE sends emulation to carry out based on the data centralization signal of the GOOSE transmit control block association of disposing in the SCL model configuration file, needs to select the model as the intelligent electronic device of transmit leg before the emulation; Described GOOSE receives emulation to carry out based on the GOOSE received signal that disposes in the model, need judge the relation of GOOSE receiving-transmitting sides during reception, needs to select simultaneously the model of transmit leg and corresponding recipient's intelligent electronic device before the emulation.
3. the GOOSE communication simulation method based on the IEC61850 standard according to claim 1 and 2, it is characterized in that: in order to reach better simulated effect, the signal that real-time status changes under emulation and two kinds of patterns of status switch variation emulation has all comprised initial state and these two states of run mode, corresponding to emulation carrier initialization procedure state and running state.
4. the GOOSE communication simulation method based on the IEC61850 standard according to claim 3 when it is characterized in that real-time status emulation, is manually revised the signal value that run mode is concerned about one by one, and signal of every modification just triggers the GOOSE service and sends the displacement signal; During status switch emulation, what running statuses determine earlier needs, and sets the signal value of each state, and whether the triggered time of setting each state is at interval set these status switches and circulate and carry out repeatedly, just starts the GOOSE communication service then.
5. the GOOSE communication simulation method based on the IEC61850 standard according to claim 4, it is characterized in that realizing that GOOSE receives emulation and GOOSE sends on the basis of emulation, adopt the self-driven GOOSE communication simulation method of logic, it comprises that three link: GOOSE receive emulation, GOOSE sends emulation and I/O logical drive, wherein key link is the I/O logical drive, it is I/O logical drive rule that the I/O logical drive is followed corresponding emulation rule, is decided the trigger condition of GOOSE transmission by I/O logical drive rule; Described I/O logical drive rule is pre-defined according to test request, forms general logical drive rule base, directly calls corresponding logical drive rule in the communication simulation of back.
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