CN103312037A - Device and method for testing pressure of intelligent substation - Google Patents
Device and method for testing pressure of intelligent substation Download PDFInfo
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- CN103312037A CN103312037A CN201310230726XA CN201310230726A CN103312037A CN 103312037 A CN103312037 A CN 103312037A CN 201310230726X A CN201310230726X A CN 201310230726XA CN 201310230726 A CN201310230726 A CN 201310230726A CN 103312037 A CN103312037 A CN 103312037A
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention relates to a device and a method for testing pressure of an intelligent substation, and belongs to the technical field of intelligent substations. The device comprises an upper computer, a CPU (central processing unit), an FPGA (field programmable gate array) and an Ethernet physical layer circuit connected in sequence. A testing environment meeting requirements of an IEC (international electro-technical commission) 6185O specification system is provided, normal sampling values (SV) and GOOSE data can be output, normal system running or grid fault can be simulated, background interference flow data in an SV format and background interference flow data in a GOOSE format can also be output, and further, messages such as IP(internet protocol), ARP(address resolution protocol), ICMP(internet control message protocol) and SNMP(simple network management protocol) can be output to form a general background flow. By filtering and analyzing the SV message or the GOOSE message or the MMS message with the specific APPID, potential safety hazards existing in different load-pressure backgrounds of the specific IED device in the network or network switching devices of the whole process level are found, and safety running level of the intelligent substation is increased.
Description
Technical field
The present invention relates to a kind of intelligent substation pressure test device and method, belong to the intelligent substation technical field.
Background technology
Intelligent substation has the characteristics of primary equipment intellectuality, secondary device networking.Voltage, electric current are exported by merge cells in the secondary device system, for satisfying the light numeral message of IEC61850 stipulations, give IED devices such as protection, observing and controlling, metering, record ripple, Network records through Optical Fiber Transmission; Protection breaker tripping and closing signal, circuit breaker position signal, control signal are given corresponding IED device with the GOOSE message through Optical Fiber Transmission.Network has important effect in intelligent substation; at present; part intelligent substation process layer adopts the mode of SV, GOOSE, signal unification of three nets when IEEE1588 is; all signals all pass through transmission over networks; part intelligent substation process layer adopts protection directly to adopt straight jumping mode; observing and controlling, metering, Network records etc. adopt network's mode, and the part intelligent substation adopts SV, GOOSE to divide and opens network's mode, but has all embodied the characteristics of secondary device networking.The secondary device networking makes intelligent substation have information sharing, support the possibility of how senior application, but how to guarantee safety, the stable operation of secondary device network, how the performance of full test network, also the scheme of neither one maturation also lacks corresponding testing equipment.
Compare with traditional transformer station, there is larger difference in the communication network in the intelligent transformer station at aspects such as structure, function, performance and importance.For example adopt in the intellectuality station of Ethernet at the process layer; in fact the GOOSE network is equivalent to the closing loop of protection measure and control device in traditional transformer station; simultaneity factor breaks down again in case network goes wrong; protection action just might occur but the tripping operation message can't in time transmit, thereby cause the situation of circuit breaker tripping in time.In intelligent substation, the status of secondary device network has risen to and relaying protection and the same height of automatic safety device, needs as IED devices such as protection, observing and controlling are checked communication network to be carried out test job.At present, intelligent substation applied in network performance test equipment concentrates on the test of the general index performance of switch mostly, as indexs such as throughput, time delay, packet loss, and mostly be import equipment, expensive, the test packet that sends is the general ip message, lacks the test environment of IEC61850 system, can not really find the potential safety hazard that the intelligent substation network system may exist.
Summary of the invention
Intelligent substation network test technical problem at existing in the present prior art the invention provides a kind of intelligent substation pressure test device and method.The present invention can realize the pressure test of intelligent substation network system, also can realize single device pressure test.
The technical solution adopted for the present invention to solve the technical problems is:
The intelligent substation pressure test device comprises the host computer, cpu system, FPGA and the ethernet physical layer circuit that connect in turn; Specifically:
Host computer links to each other by electric ethernet interface with cpu system, realizes man-machine interface and network stress test setting and process control;
Cpu system connects host computer and FPGA, links to each other with FPGA with control bus by the PCIE bus, and the data of controlling a plurality of pressure test interfaces send and receive;
FPGA, scale programmable logic device, link to each other with cpu system with local control bus by the PCIE bus, link to each other with ethernet physical layer circuit PHY chip by MII sending module, MII receiver module, the data that realize Ethernet pressure test interface send and receive, and packet filtering and analysis;
The ethernet physical layer circuit links to each other with FPGA by the PHY chip, realizes physical connection by ethernet interface module and equipment under test.
Described FPGA internal logic function comprises PCIE interface module, control module, transmission storage RAM, MII sending module, receives storage RAM, MII receiver module, further:
Described PCIE interface module realizes that cpu system is connected with the data of FPGA;
Described control module is used for control PCIE interface module transmission all lengths PCIE data and reads the bag request; Control PCIE interface sends to cpu system with the data that receive; The sending mode of control MII sending module, the packet filtering of control MII receiver module and the SV of specific APPID, the frame losing statistics of GOOSE message, time-delay are calculated;
Described transmission storage RAM connects PCIE interface module and MII sending module, is used for general background traffic message, SV sampled value message or GOOSE message that storage sends;
Described reception storage RAM connects PCIE interface module and MII receiver module, is used for general background traffic message, SV sampled value message, GOOSE message or MMS message that storage receives;
Described MII sending module, link control module, send storage RAM and ethernet physical layer circuit PHY chip, will be stored in the general background traffic message, SV sampled value message, the GOOSE message that send among the storage RAM according to the instruction of control module and adopt the MII interface sequence to send to the PHY chip;
Described MII receiver module, link control module, reception storage RAM and ethernet physical layer circuit PHY chip, receive the MII time series data of PHY chip, general background traffic message, SV sampled value message, GOOSE message or the separation of MMS message are stored to reception storage RAM, and according to filtering rule the message of specific APPID is carried out the frame losing statistics, time-delay is calculated.
Described ethernet physical layer circuit is made up of PHY chip and ethernet interface module, and ethernet interface module is realized the physical connection with measurand; Described ethernet interface module can be configured to electric ethernet interface module according to the test needs, also can be configured to the optical Ethernet interface module.
Described MII sending module, MII receiver module can be 1-N, and described ethernet physical layer circuit is corresponding also can be the 1-N group.
The intelligent substation method for testing pressure may further comprise the steps:
According to pre-defined rule configuration testing port and equipment under test port annexation;
Type of message, message content and flow that the configuration testing transmit port sends;
Configuration testing receiving port filtering rule;
Type of message, message content and flow according to the configuration of test transmit port send test packet;
Adjust test transmit port message flow;
According to testing the specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure that receiving port is received.
Described process according to pre-defined rule configuration testing port and equipment under test port annexation is specially:
Determine the tested object of pressure test, and the port annexation of test port and tested object, comprising test transmit port and test receiving port, configuration also connects test port and tested object port; Described test transmit port is the luminiferous ether network interface; Described test receiving port comprises luminiferous ether network interface and electric Ethernet interface.
The process of type of message, message content and flow that described configuration testing transmit port sends is specially:
Test transmit port SV sampled value controll block number and corresponding controll block parameter are set, and SV sampled value controll block is divided into 2 classes, and the 1st class SV sampled value controll block: SV sampled value controll block imports from SCD stands configuration file entirely; The 2nd class SV sampled value controll block: SV sampled value controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of SV sampled value controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of SV form;
Test transmit port GOOSE controll block number and corresponding controll block parameter are set, and GOOSE controll block can be divided into 2 classes, the 1st class GOOSE controll block: import from SCD stands configuration file entirely; The 2nd class GOOSE controll block: GOOSE controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of GOOSE controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of GOOSE form;
The general background type of message of test transmit port is set, and type of message can be selected: messages such as IP, ARP, ICMP, SNMP are used to form general background traffic message;
Test transmit port SV sampled value message data is set, and the 1st class SV sampled value controll block message data arranges normal service data, rated value data or simulation electrical network fault data according to testing requirement, is effective SV sampled value data; The 2nd class SV sampled value controll block message data arranges rated value data or null value data, forms the ambient interferences data on flows of SV sampled value form;
Test transmit port GOOSE message data is set, and the 1st class GOOSE controll block message data arranges the normal operating condition value according to testing requirement, perhaps simulates grid failure state displacement value; The 2nd class GOOSE controll block message data arranges stationary state value or timing displacement state value, forms the ambient interferences data on flows of GOOSE form;
The test general background message length of transmit port and flow are set, form general background traffic.
The process of described configuration testing receiving port filtering rule is specially: be connected with actual according to testing requirement, the filtering rule that test receives the luminiferous ether network interface is set, if receive luminiferous ether network interface access procedure layer port, the APPID of specific IED device is set; If receive luminiferous ether network interface access station control layer MMS net or IED device MMS optical Ethernet port, IP address or the MAC Address of specific IED device is set; Be connected with actual according to testing requirement, receive electric Ethernet interface as test and insert station level MMS net or IED device MMS electricity ethernet port, IP address or the MAC Address of specific IED device is set.
The described specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure of receiving according to the test receiving port specifically comprises following method:
(1) according to SV sampled value or the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding SV sampled value or GOOSE message, whether differentiate specific IED device continuously by test serial number whether the frame losing phenomenon takes place; By analytic message quality position, whether the quality position is unusual to differentiate corresponding message;
(2) according to the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding GOOSE message, check GOOSE passage displacement situation, differentiate whether correct operation of specific IED device;
(3) according to IP address or the MAC Address of the specific IED device of setting, from the MMS information of this IED device, filter out anomalies such as whether SV frame losing/chain rupture, GOOSE frame losing/chain rupture, storm alarm take place;
(4) send the hardware markers of message and the hardware markers that the test receiving port receives corresponding message, the time-delay of test network switching equipment under different loads pressure by the compare test transmit port.
Advantage of the present invention and beneficial effect are:
1, possess the test environment of IEC61850 stipulations system, pressure test is truer.The exportable effective SV of intelligent substation pressure test device of the present invention, GOOSE message, the also interference flow message of exportable SV, GOOSE form, and general background traffic message, flow can be adjusted, more can simulated intelligence transformer station secondary system network and the actual motion message environment of equipment, than the network test equipment that lays particular emphasis on the exchanges device capabilities test merely, be easier to the potential safety hazard of finding that electrical secondary system network and specific device may exist, improve the intelligent substation safety operation level.
2, adapt to single device pressure test of network stress test and networking mode work, adaptability is strong.Method for testing pressure of the present invention and device both can carry out the pressure test under the network environment, also can carry out single device pressure test, were convenient to find the potential safety hazard that single device may exist early in the test of dispatching from the factory.
3, powerful, on-the-spot test is convenient.Intelligent substation pressure test device of the present invention can be simulated electric network fault under the pressure test environment, the cooperation of no light requirement digital relay protection testing equipment, test easy, the efficient height.
The invention provides the test environment that meets IEC61850 stipulations system, exportable normal SV sampled value, the GOOSE data, normal operation or the electric network fault of analogue system, the also ambient interferences data on flows of the ambient interferences data on flows of exportable SV sampled value form and GOOSE form, in addition, exportable IP also, ARP, ICMP, messages such as SNMP form general background traffic, by SV message or the GOOSE message to specific APPID, the MMS message carries out filter analysis, find the potential safety hazard that switching equipment such as specific IED device or whole process layer network may exist in the network under different loads pressure background, improve the intelligent substation safety operation level.
In addition, run on the IED equipment in the intelligent substation secondary device network, also can adopt the present invention to carry out single device to test, find the potential safety hazard that the IED device may exist early under different pressures and flow.
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the schematic flow sheet of intelligent substation method for testing pressure of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is cpu system structure chart among Fig. 2;
Fig. 4 is FPGA internal logic structure figure among Fig. 2;
Fig. 5 is ethernet physical layer circuit structure diagram among Fig. 2;
Fig. 6 inserts schematic diagram for apparatus of the present invention test under the unification of three nets pattern;
Fig. 7 is that apparatus of the present invention test inserts schematic diagram under SV, the GOOSE difference networking model;
Wiring schematic diagram when Fig. 8 carries out single device pressure test for the IED devices such as protection/observing and controlling of networking mode work.
Embodiment
Embodiment 1:
The invention provides a kind of intelligent substation pressure test device, as Fig. 1-shown in Figure 2,
Comprise the host computer, cpu system, FPGA, the ethernet physical layer circuit that connect in turn, further:
Host computer links to each other by electric ethernet interface with cpu system, realizes man-machine interface and network stress test setting and process control;
Cpu system connects host computer and FPGA, links to each other with FPGA with control bus by the PCIE bus, and the data of controlling a plurality of pressure test interfaces send and receive;
FPGA, scale programmable logic device, link to each other with cpu system with local control bus by the PCIE bus, link to each other with ethernet physical layer circuit PHY chip by MII sending module, MII receiver module, the data that realize Ethernet pressure test interface send and receive, and packet filtering and analysis;
The ethernet physical layer circuit links to each other with FPGA by the PHY chip, realizes physical connection by ethernet interface module and equipment under test.
The circuit of ethernet physical layer described in the present invention is made up of PHY chip and ethernet interface module, and ethernet interface module is realized the physical connection with measurand.Described ethernet interface module can be configured to electric ethernet interface module according to the test needs, also can be configured to the optical Ethernet interface module.
Preferably, as shown in Figure 3, cpu system comprises: other peripheral chips such as CPU, electric ethernet interface, PCIE bus interface, big capacity C F card, DDR2 RAM, crystal oscillator, cpu system is connected with host computer by electric ethernet interface.
Preferably, as shown in Figure 4, FPGA internal logic function comprises PCIE interface module, control module, transmission storage RAM, MII sending module, receives storage RAM, MII receiver module, further:
Described PCIE interface module realizes that cpu system is connected with the data of FPGA;
Described control module is used for control PCIE interface module transmission all lengths PCIE data and reads the bag request; Control PCIE interface sends to cpu system with the data that receive; The sending mode of control MII sending module, the packet filtering of control MII receiver module and the SV of specific APPID, the frame losing statistics of GOOSE message, time-delay are calculated;
Described transmission storage RAM connects PCIE interface module and MII sending module, is used for general background traffic message, SV sampled value message or GOOSE message that storage sends;
Described reception storage RAM connects PCIE interface module and MII receiver module, is used for general background traffic message, SV sampled value message, GOOSE message or MMS message that storage receives;
Described MII sending module, link control module, send storage RAM and ethernet physical layer circuit PHY chip, will be stored in the general background traffic message, SV sampled value message, the GOOSE message that send among the storage RAM according to the instruction of control module and adopt the MII interface sequence to send to the PHY chip;
Described MII receiver module, link control module, reception storage RAM and ethernet physical layer circuit PHY chip, receive the MII time series data of PHY chip, general background traffic message, SV sampled value message, GOOSE message or the separation of MMS message are stored to reception storage RAM, and according to filtering rule the message of specific APPID is carried out the frame losing statistics, time-delay is calculated.
Described MII sending module, MII receiver module can be 1-N, and described ethernet physical layer circuit is corresponding also can be the 1-N group.
Preferably, as shown in Figure 5, the ethernet physical layer circuit comprises PHY chip and ethernet interface module, and ethernet interface module can be configured to electric ethernet interface module according to the test needs, also can be configured to the optical Ethernet interface module.
Method of testing of the present invention may further comprise the steps:
According to pre-defined rule configuration testing port and equipment under test port annexation;
Type of message, message content and flow that the configuration testing transmit port sends;
Configuration testing receiving port filtering rule;
Type of message, message content and flow according to the configuration of test transmit port send test packet;
Adjust test transmit port message flow;
According to testing the specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure that receiving port is received.
Process according to pre-defined rule configuration testing port and equipment under test port annexation described in the present invention is specially: the tested object of determining pressure test, and the port annexation of test port and tested object, comprise test transmit port and test receiving port, configuration also connects test port and tested object port.Described test transmit port is the luminiferous ether network interface; Described test receiving port comprises luminiferous ether network interface and electric Ethernet interface.
The process of type of message, message content and flow that the transmit port of configuration testing described in the present invention sends is specially: test transmit port SV sampled value controll block number and corresponding controll block parameter are set, SV sampled value controll block is divided into 2 classes, and the 1st class SV sampled value controll block: SV sampled value controll block imports from SCD stands configuration file entirely; The 2nd class SV sampled value controll block: SV sampled value controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of SV sampled value controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of SV form.Test transmit port GOOSE controll block number and corresponding controll block parameter are set, and GOOSE controll block can be divided into 2 classes, the 1st class GOOSE controll block: import from SCD stands configuration file entirely; The 2nd class GOOSE controll block: GOOSE controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of GOOSE controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of GOOSE form.
The general background type of message of test transmit port is set, and type of message can be selected: messages such as IP, ARP, ICMP, SNMP are used to form general background traffic message.Test transmit port SV sampled value message data is set, and the 1st class SV sampled value controll block message data arranges normal service data, rated value data or simulation electrical network fault data according to testing requirement, is effective SV sampled value data; The 2nd class SV sampled value controll block message data arranges rated value data or null value data, forms the ambient interferences data on flows of SV sampled value form.Test transmit port GOOSE message data is set, and the 1st class GOOSE controll block message data arranges the normal operating condition value according to testing requirement, perhaps simulates grid failure state displacement value; The 2nd class GOOSE controll block message data arranges stationary state value or timing displacement state value, forms the ambient interferences data on flows of GOOSE form; The test general background message length of transmit port and flow are set, form general background traffic.
The process of the receiving port of configuration testing described in the present invention filtering rule is specially: be connected with actual according to testing requirement, the filtering rule that test receives the luminiferous ether network interface is set, if receive luminiferous ether network interface access procedure layer port, the APPID of specific IED device is set; If receive luminiferous ether network interface access station control layer MMS net or IED device MMS optical Ethernet port, IP address or the MAC Address of specific IED device is set.
Be connected with actual according to testing requirement, receive electric Ethernet interface as test and insert station level MMS net or IED device MMS electricity ethernet port, IP address or the MAC Address of specific IED device is set.
The specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure of receiving according to the test receiving port of the present invention specifically comprises following method:
(1) according to SV sampled value or the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding SV sampled value or GOOSE message, whether differentiate specific IED device continuously by test serial number whether the frame losing phenomenon takes place; By analytic message quality position, whether the quality position is unusual to differentiate corresponding message;
(2) according to the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding GOOSE message, check GOOSE passage displacement situation, differentiate whether correct operation of specific IED device;
(3) according to IP address or the MAC Address of the specific IED device of setting, from the MMS information of this IED device, filter out anomalies such as whether SV frame losing/chain rupture, GOOSE frame losing/chain rupture, storm alarm take place;
(4) send the hardware markers of message and the hardware markers that the test receiving port receives corresponding message, the time-delay of test network switching equipment under different loads pressure by the compare test transmit port;
In the process of pressure test described in the present invention according to the size of the general background traffic of testing requirement adjustment.
Embodiment 2:
As shown in Figure 6, Fig. 6 is the intelligent substation pressure test schematic diagram under the unification of three nets pattern, and the detailed process of pressure test can be for as follows:
Step 1: according to testing requirement, pressure test device luminiferous ether network interface inserts the network switching equipment of SV/GOOSE/IEEE1588 unification, and pressure test device MMS port inserts station level MMS net;
Step 2: configuration inserts type, content and the flow of the luminiferous ether network interface transmission message of SV/GOOSE/IEEE1588 network.Can arrange and send general background traffic message such as SV sampled value, GOOSE message and IP/ARP/ICMP simultaneously.
SV sampled value controll block can be selected from SCD stands configuration file entirely, simulation merge cells MU exports effective SV sampled value, can simulate normal operation SV sampled value data, also can simulate electric network fault SV sampled value data, SV sampled value controll block also can arrange the not SV sampled value controll block in SCD stands the configuration file scope entirely of APPID, MAC Address, the jamming pattern flow of the SV form in the analog network, SV data can be rated values, also exportable null value; GOOSE controll block can be selected from SCD stands configuration file entirely; effective GOOSE message is exported in simulation protection, observing and controlling; the not GOOSE controll block in SCD stands the configuration file scope entirely of APPID, MAC Address also can be set; the jamming pattern flow of the GOOSE form in the analog network; GOOSE message value can be simulated the stationary state value, also can simulate regularly displacement state value.General background traffic message can be selected IP, ARP, ICMP, SNMP type of message, and message length and flow can arrange.
Step 3: configuration inserts the optical Ethernet receiving port of SV/GOOSE/IEEE1588 net, the ethernet port filtering rule of access station level MMS net.To inserting the optical Ethernet receiving port of SV/GOOSE/IEEE1588 net, according to the test needs APPID of specific IED device is set, the message to the identical APPID that receives carries out frame losing, quality position anomalous discrimination; To the Ethernet receiving port of access station control layer MMS net, IP address or the MAC Address of specific IED device is set, be used for carrying out related device frame losing/chain rupture, storm alarm differentiation.
Step 4: type of message, message content and flow according to step 2 configuration send test packet;
Step 5: adjust the transmit port message flow;
Step 6: the receiving port filtering rule that arranges according to step 3 carries out the pressure test assessment.
Embodiment 3:
As shown in Figure 7, Fig. 7 is that pressure test device of the present invention inserts schematic diagram under SV, the GOOSE difference networking model, and testing procedure is the same, and just the test light Ethernet interface connects SV net and GOOSE net respectively.
Embodiment 4:
As shown in Figure 8, the schematic diagram when Fig. 8 carries out single device pressure test for IED devices such as the protection of networking mode work, observing and controlling, testing procedure is the same, and just test light Ethernet and MMS ethernet port directly insert the tested device corresponding port.
Claims (9)
1. the intelligent substation pressure test device is characterized in that: comprise the host computer, cpu system, FPGA and the ethernet physical layer circuit that connect in turn; Specifically:
Host computer links to each other by electric ethernet interface with cpu system, realizes man-machine interface and network stress test setting and process control;
Cpu system connects host computer and FPGA, links to each other with FPGA with control bus by the PCIE bus, and the data of controlling a plurality of pressure test interfaces send and receive;
FPGA, scale programmable logic device, link to each other with cpu system with local control bus by the PCIE bus, link to each other with ethernet physical layer circuit PHY chip by MII sending module, MII receiver module, the data that realize Ethernet pressure test interface send and receive, and packet filtering and analysis;
The ethernet physical layer circuit links to each other with FPGA by the PHY chip, realizes physical connection by ethernet interface module and equipment under test.
2. intelligent substation pressure test device according to claim 1 is characterized in that:
Described FPGA internal logic function comprises PCIE interface module, control module, transmission storage RAM, MII sending module, receives storage RAM, MII receiver module, further:
Described PCIE interface module realizes that cpu system is connected with the data of FPGA;
Described control module is used for control PCIE interface module transmission all lengths PCIE data and reads the bag request; Control PCIE interface sends to cpu system with the data that receive; The sending mode of control MII sending module, the packet filtering of control MII receiver module and the SV of specific APPID, the frame losing statistics of GOOSE message, time-delay are calculated;
Described transmission storage RAM connects PCIE interface module and MII sending module, is used for general background traffic message, SV sampled value message or GOOSE message that storage sends;
Described reception storage RAM connects PCIE interface module and MII receiver module, is used for general background traffic message, SV sampled value message, GOOSE message or MMS message that storage receives;
Described MII sending module, link control module, send storage RAM and ethernet physical layer circuit PHY chip, will be stored in the general background traffic message, SV sampled value message, the GOOSE message that send among the storage RAM according to the instruction of control module and adopt the MII interface sequence to send to the PHY chip;
Described MII receiver module, link control module, reception storage RAM and ethernet physical layer circuit PHY chip, receive the MII time series data of PHY chip, general background traffic message, SV sampled value message, GOOSE message or the separation of MMS message are stored to reception storage RAM, and according to filtering rule the message of specific APPID is carried out the frame losing statistics, time-delay is calculated.
3. intelligent substation pressure test device according to claim 1 is characterized in that:
Described ethernet physical layer circuit is made up of PHY chip and ethernet interface module, and ethernet interface module is realized the physical connection with measurand;
Described ethernet interface module can be configured to electric ethernet interface module according to the test needs, also can be configured to the optical Ethernet interface module.
4. according to claim 1 and 2 and 3 described intelligent substation pressure test devices, it is characterized in that:
Described MII sending module, MII receiver module can be 1-N, and described ethernet physical layer circuit is corresponding also can be the 1-N group.
5. intelligent substation method for testing pressure is characterized in that: may further comprise the steps:
According to pre-defined rule configuration testing port and equipment under test port annexation;
Type of message, message content and flow that the configuration testing transmit port sends;
Configuration testing receiving port filtering rule;
Type of message, message content and flow according to the configuration of test transmit port send test packet;
Adjust test transmit port message flow;
According to testing the specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure that receiving port is received.
6. intelligent substation method for testing pressure according to claim 5, it is characterized in that: described process according to pre-defined rule configuration testing port and equipment under test port annexation is specially:
Determine the tested object of pressure test, and the port annexation of test port and tested object, comprising test transmit port and test receiving port, configuration also connects test port and tested object port;
Described test transmit port is the luminiferous ether network interface;
Described test receiving port comprises luminiferous ether network interface and electric Ethernet interface.
7. intelligent substation method for testing pressure according to claim 5 is characterized in that, the process of type of message, message content and flow that described configuration testing transmit port sends is specially:
Test transmit port SV sampled value controll block number and corresponding controll block parameter are set, and SV sampled value controll block is divided into 2 classes, and the 1st class SV sampled value controll block: SV sampled value controll block imports from SCD stands configuration file entirely; The 2nd class SV sampled value controll block: SV sampled value controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of SV sampled value controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of SV form;
Test transmit port GOOSE controll block number and corresponding controll block parameter are set, and GOOSE controll block can be divided into 2 classes, the 1st class GOOSE controll block: import from SCD stands configuration file entirely; The 2nd class GOOSE controll block: GOOSE controll block APPID, MAC Address be not within SCD stands the configuration file scope entirely, and this type of GOOSE controll block number of active lanes can arrange, and is used to form the ambient interferences flow message of GOOSE form;
The general background type of message of test transmit port is set, and type of message can be selected: messages such as IP, ARP, ICMP, SNMP are used to form general background traffic message;
Test transmit port SV sampled value message data is set, and the 1st class SV sampled value controll block message data arranges normal service data, rated value data or simulation electrical network fault data according to testing requirement, is effective SV sampled value data; The 2nd class SV sampled value controll block message data arranges rated value data or null value data, forms the ambient interferences data on flows of SV sampled value form;
Test transmit port GOOSE message data is set, and the 1st class GOOSE controll block message data arranges the normal operating condition value according to testing requirement, perhaps simulates grid failure state displacement value; The 2nd class GOOSE controll block message data arranges stationary state value or timing displacement state value, forms the ambient interferences data on flows of GOOSE form;
The test general background message length of transmit port and flow are set, form general background traffic.
8. intelligent substation method for testing pressure according to claim 5 is characterized in that, the process of described configuration testing receiving port filtering rule is specially:
Be connected with actual according to testing requirement, the filtering rule that test receives the luminiferous ether network interface is set, if receive luminiferous ether network interface access procedure layer port, the APPID of specific IED device is set; If receive luminiferous ether network interface access station control layer MMS net or IED device MMS optical Ethernet port, IP address or the MAC Address of specific IED device is set;
Be connected with actual according to testing requirement, receive electric Ethernet interface as test and insert station level MMS net or IED device MMS electricity ethernet port, IP address or the MAC Address of specific IED device is set.
9. intelligent substation method for testing pressure according to claim 5 is characterized in that, the described specific IED device of information evaluation or the behavior of whole process layer network under different loads pressure of receiving according to the test receiving port specifically comprises following method:
(1) according to SV sampled value or the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding SV sampled value or GOOSE message, whether differentiate specific IED device continuously by test serial number whether the frame losing phenomenon takes place; By analytic message quality position, whether the quality position is unusual to differentiate corresponding message;
(2) according to the GOOSE controll block APPID of the specific IED device that arranges, filter and receive corresponding GOOSE message, check GOOSE passage displacement situation, differentiate whether correct operation of specific IED device;
(3) according to IP address or the MAC Address of the specific IED device of setting, from the MMS information of this IED device, filter out anomalies such as whether SV frame losing/chain rupture, GOOSE frame losing/chain rupture, storm alarm take place;
(4) send the hardware markers of message and the hardware markers that the test receiving port receives corresponding message, the time-delay of test network switching equipment under different loads pressure by the compare test transmit port.
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