CN203482218U - Detection system for message pressure of intelligent terminal - Google Patents
Detection system for message pressure of intelligent terminal Download PDFInfo
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- CN203482218U CN203482218U CN201320429604.9U CN201320429604U CN203482218U CN 203482218 U CN203482218 U CN 203482218U CN 201320429604 U CN201320429604 U CN 201320429604U CN 203482218 U CN203482218 U CN 203482218U
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Abstract
The utility model provides a detection system for the message pressure of an intelligent terminal, which comprises a relay protection tester, a network performance tester, a switch and a to-be-tested intelligent terminal. The relay protection tester is connected with the switch through optical fibers. The network performance tester is also connected with the switch through optical fibers. The switch is connected with the intelligent terminal through optical fibers. The intelligent terminal is connected with the relay protection tester and the network performance tester through cables. The relay protection tester is used for sending out a tripping message to the switch. The network performance tester is used for sending out a background message to the switch. The switch is used for receiving the tripping message and the background message, then transmitting the messages to the intelligent terminal, and outputting a pressure coefficient corresponding to the intelligent terminal. According to the technical scheme of the utility model, due to the adoption of the detection system, the data processing performance and the data processing strategy of the to-be-tested intelligent terminal can be tested. Meanwhile, the response capability of the intelligent terminal to normal messages is also tested.
Description
Technical field
The utility model, about the intelligent substation technical field in electric power system, particularly about the detection technique field of intelligent terminal in intelligent substation, is a kind of system of detection of intelligent terminal message pressure concretely.
Background technology
At present; domestic intelligent grid is in the high-speed developing period; intelligent substation is the important support node of intelligent grid; relaying protection is as one of important secondary device of intelligent substation; it is the basis that ensures power system safety and stability operation; intelligent terminal is as relaying protection relevant device, and its performance test has material impact to guaranteeing intelligent substation safe and stable operation.
In intelligent substation, intelligent terminal, between protective relaying device, measure and control device and a circuit breaker, is equivalent to breaker operation cabinet in conventional substation.Intelligent terminal is by the object-oriented general substation event defining in IEC61850, and GOOSE signal, is converted into hard contact, and with routine operation case loop, access circuit breaker closing loop, and disconnecting link opening and closing loop.Meanwhile, intelligent terminal gathers the hard contact intake signal such as circuit breaker and disconnecting link position, is converted into and on GOOSE signal, delivers to protective relaying device and measure and control device.For intelligent substation; the information that protective relaying device gathers by intelligent terminal judges that whether circuit breaker operational mode is normal; operations staff decides further work plan by this information, and therefore, accurately whether intelligent terminal Information Monitoring the directly normal operation at the full station of impact.
The performance standard of intelligent terminal is had to < < Q/GDW441-2010 intelligent substation Protection Technology standard > >, < < Q/GDW428-2010 intelligent substation intelligent terminal technical specification > > and < < intelligent substation relaying protection general technical specifications (suggestion is solicited original text) > >, < < IEC61850 engineering relaying protection application model (suggestion is solicited original text) > >, < < intelligent substation relay protection examination standard (suggestion is solicited original text) > > and the relaying protection of < < intelligent substation detect standard (suggestion is solicited original text) > > etc., according to the requirement of these standards, can draw, under any network operation operating mode flow attack, device all should not crash or restart, do not send error message, the time delay that responds correct message should not be greater than 1ms.Therefore, use suitable testing tool, the network performance of intelligent terminal is tested, significant for the Performance Detection of intelligent terminal.
In prior art; message pressure test to intelligent terminal has following mode: (1) adopts digital protective relay tester to send tripping operation message according to the speed of Millisecond or hundred Microsecond grades; tripping operation message can only be set to all constant frame messages of all the elements; the impact flow of message is about hundreds of kb/s to 1Mb/s; it is less that message impacts flow; much smaller than intelligent terminal, receive the maximum capacity 100Mb/s of message, therefore test intensity and be nowhere near.(2) adopt special-purpose network tester to send random packet, flow can arbitrarily arrange from 0Mb/s to 100Mb/s, but message is not all the tripping operation message that tested intelligent terminal is subscribed to, and may not be even effective GOOSE message.Background message is less to the impact of intelligent terminal, even the background message of 100Mb/s, because message is not the message that tested intelligent terminal is subscribed to, therefore tested intelligent terminal is comparatively simple to the processing of message, abundant not to the test of tested intelligent terminal network performance.
Therefore, how the network performance of intelligent terminal being carried out to Validity Test is that technical barrier to be solved is wiped away in this area.
Utility model content
The utility model embodiment provides a kind of system of detection of intelligent terminal message pressure, according to State Grid Corporation of China's company standard requirement, intelligent terminal feature, formulated the detection scheme of intelligent terminal message pressure, reach the check data processing performance of tested intelligent terminal and the object of data processing policy, tested its responding ability to normal message simultaneously.
The purpose of this utility model is, a kind of detection system of intelligent terminal message pressure is provided, comprise relay-protection tester, network performance tester, switch and tested intelligent terminal, wherein, described relay-protection tester is connected with described switch by optical fiber; Described network performance tester is connected with described switch by optical fiber; Described switch is connected with described intelligent terminal by optical fiber; Described intelligent terminal is connected with described relay-protection tester, network performance tester by cable; Described relay-protection tester, sends tripping operation message for the switch to described; Described network performance tester, sends background message for the switch to described; Described switch, for receiving described tripping operation message and described background message, and is sent to described intelligent terminal; Described intelligent terminal, for receiving described tripping operation message and described background message, and exports the pressure coefficient that described intelligent terminal is corresponding.
Preferably, the message status of described tripping operation message number and sequence number normal variation.
Preferably, the message status of described background message number does not change with sequence number.
Preferably, the message that described tripping operation message and described background message are same content.
Preferably, the message that described tripping operation message and described background message are different content.
Preferably, described intelligent terminal is phase-splitting intelligent terminal.
Preferably, described relay-protection tester is digital protective relay tester.
Preferably, described switch is optical switch.
The beneficial effects of the utility model are, have proposed first to detect the test of intelligent terminal network performance, and have checked the network performance of different manufacturers intelligent terminal by this, significant to intelligent terminal Performance Detection.Test is analog network storm realistically, therefore this result to intelligent terminal test can be reacted the network performance of intelligent terminal fully, reach the check data processing performance of tested intelligent terminal and the object of data processing policy, tested its responding ability to normal message simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the system of the detection of a kind of intelligent terminal message pressure that Fig. 1 provides for the utility model embodiment;
The structural representation of the execution mode one of the system of the detection of a kind of intelligent terminal message pressure that Fig. 2 provides for the utility model embodiment;
The structural representation of the execution mode two of the system of the detection of a kind of intelligent terminal message pressure that Fig. 3 provides for the utility model embodiment;
The structural representation of the execution mode three of the system of the detection of a kind of intelligent terminal message pressure that Fig. 4 provides for the utility model embodiment;
The structural representation of the execution mode four of the system of the detection of a kind of intelligent terminal message pressure that Fig. 5 provides for the utility model embodiment;
The circuit theory diagrams of relay-protection tester in the system of the detection of a kind of intelligent terminal message pressure that Fig. 6 provides for the utility model embodiment;
The circuit theory diagrams of intelligent terminal in the system of the detection of a kind of intelligent terminal message pressure that Fig. 7 provides for the utility model embodiment;
The circuit theory diagrams of network performance tester in the system of the detection of a kind of intelligent terminal message pressure that Fig. 8 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of system of detection of intelligent terminal message pressure, according to State Grid Corporation of China's company standard requirement, intelligent terminal feature, formulated the scheme of the detection of intelligent terminal message pressure, reach the check data processing performance of tested intelligent terminal and the object of data processing policy, tested its responding ability to normal message simultaneously.
Paper abbreviation of the present utility model and Key Term below:
Message pressure test: use GOOSE message that tested intelligent terminal subscribes to flow (being background message) as a setting, tested intelligent terminal is carried out to flow attack test, under background traffic is impacted, to tested intelligent terminal, send normal message (message trips), test the response of tested intelligent terminal to normal message simultaneously.
GOOSE: the transformer substation case (GOOSE---Generic Object Oriented Substation Event) towards general object is for meeting the mechanism of electric substation automation system rapid message demand in IEC61850 standard.
ST, SQ: according to IEC61850 standard, the mark to message status number and sequence number in GOOSE message.
Tripping operation message: the GOOSE message that tested intelligent terminal is subscribed to, the instruction of tripping operation message is effectively, and message status ST and sequence number SQ normal variation;
Background message is background traffic: the GOOSE message that tested intelligent terminal is subscribed to, the instruction of background message is invalid, and message status ST and sequence number SQ do not change, message information is all identical with tripping operation message, and the message that a frame ST, SQ are constant repeats the message flow sending with given pace.
GOOSE controll block: the set of the GOOSE instruction that intelligent terminal is subscribed to, intelligent terminal be take GOOSE controll block and GOOSE message is carried out to dissection process as unit, and different GOOSE controll block is the message of corresponding different content.
SOE(Sequence Of Event, event sequence recording system) as the important component part of intelligent substation automation, corresponding remote measurement value (as corresponding three-phase current, active power etc.) when the displacement time while being responsible for recording various power equipment generation remote signalling displacements (as circuit breaker displacement) in intelligent substation, displacement reason, switch trip, and form SOE record, so that ex-post analysis.Therefore, for tested intelligent terminal, whether meet resolution requirement, need read the SOE analysis of recording on intelligent terminal and learn.
Intelligent terminal in intelligent substation in key position, high to its reliability requirement, want at any time action message, there is not the situation of tripping and malfunction.In intelligent substation application, intelligent terminal, as hinge important between intelligent breaker and protective relaying device, measure and control device, plays conclusive effect to the normal operation of intelligent substation.Intelligent terminal is by the OO intelligent substation general purpose event defining in IEC61850 agreement, and GOOSE signal, is converted into the contact that traditional relay is exported; Simultaneously by the circuit breaker position collecting, disconnecting link position etc. primary information, is converted into and on GOOSE signal, delivers to protective relaying device, measure and control device.There is strict standard in State Grid Corporation of China for intelligent terminal, and intelligent terminal properties is retrained and stipulated.
The structural representation of the system of the detection of a kind of intelligent terminal message pressure that Fig. 1 provides for the utility model embodiment; as shown in Figure 1; this system comprises relay-protection tester 100, network performance tester 200, switch 300 and tested intelligent terminal 400
Wherein, described relay-protection tester 100 is connected with described switch 300 by optical fiber;
Described network performance tester 200 is connected with described switch 300 by optical fiber, is also that the GOOSE data transmission light mouth of relay-protection tester 100 and network performance tester 200 is connected to optical switch 300 by optical fiber respectively;
Described switch 300 is connected with described intelligent terminal 400 by optical fiber, is also that switch is connected to tested intelligent terminal by a pair of optical fiber;
Described intelligent terminal 400 is connected with described relay-protection tester 100, network performance tester 200 by cable, be also tested intelligent terminal output contact by cable connect back digital protective relay tester, network performance tester open into.
Described relay-protection tester 100, sends tripping operation messages for the switch 300 to described, the message status of described tripping operation message number and sequence number normal variation;
Described network performance tester 200, for the background message of the switch 300 transmission set rates to described, the message status of described background message number does not change with sequence number.Before detecting; first generating the GOOSE message that a frame can carry out for tested intelligent terminal (can manual editing; also can generate by digital relay protection tester); then this frame GOOSE message is write to network performance tester; network performance tester can repeat to send this frame message according to set rate, and so just can generate effective background traffic by network performance tester is background message.
Described switch 300, for receiving described tripping operation message and described background message, and is sent to described intelligent terminal;
Described intelligent terminal 400, for receiving described tripping operation message and described background message, and exports the pressure coefficient that described intelligent terminal is corresponding.
The test of the tripping operation message pressure of intelligent terminal is divided into following two kinds of situations:
1, the background message that the tripping operation message that relay-protection tester sends and network performance tester send is used same GOOSE controll block, not only flow but also as normal message as a setting, also the message that message and background message be same content that trips, this kind of mode stresses intelligent terminal test to message processing capability under tripping operation message impacts;
2, the tripping operation message that relay-protection tester sends is used different GOOSE controll block from the background message that network performance tester sends; GOOSE controll block is flow as a setting; another GOOSE controll block is as normal message; also the message that message and background message be different content that trips, this kind of mode stresses intelligent terminal to impact the test of the response time that gives an order at tripping operation message.
Below in conjunction with above-mentioned two kinds of situations, the system of the detection of a kind of intelligent terminal message pressure that the utility model is provided is specifically introduced.
The structural representation of the execution mode one of the system of the detection of a kind of intelligent terminal message pressure that Fig. 2 provides for the utility model, as shown in Figure 2, in this kind of execution mode, digital protective relay tester can be realized by digital protective relay tester.The normal message that the background traffic that network performance tester sends and digital protective relay tester send is same GOOSE controll block; this controll block is the controll block that tested intelligent terminal can be carried out; wherein at least comprise the instruction that a tested intelligent terminal can be carried out, naming in this GOOSE controll block a wherein executable instruction is a.Instruction a in background traffic is FLASE, and ST, SQ all do not change, and set rate is F; The GOOSE message instruction a that digital protective relay tester sends is TRUE, ST, SQ normal variation.In execution mode one, the described tripping operation message that intelligent terminal parsing receives and described background message, generate hard contact and output, and according to hard contact, outputs pressure coefficient corresponding to the described intelligent terminal of output, and the concrete course of work is as follows:
When described hard contact, output while showing that tripping operation message and background message are all carried out, intelligent terminal generates the instruction of advancing the speed.In this embodiment, check that the hard contact of intelligent terminal is outputed, whether decision instruction a carries out.If data displacement each time can both confirm that instruction is performed, illustrate that intelligent terminal can work under the background traffic of this speed; Otherwise, illustrate that intelligent terminal cannot work under the background traffic of this speed.
To network performance tester, send the instruction of advancing the speed, the instruction of advancing the speed is herein used to indicate the speed that network performance tester increases background traffic.Advance the speed in instruction and indicate the speed of background traffic to increase according to predetermined step-length, according to a step-length, two step-lengths, three step-lengths ... increase successively.
Network performance tester is determined and is increased rear speed according to advance the speed instruction, set rate and predefined step-length.If set rate is 50%, predefined step-length is 2%, if indication increases a step-length in the instruction of advancing the speed, after the increase that this step is determined, speed is 52%; If advance the speed, in instruction, indication increases by 4 step-lengths, and after the increase that this step is determined, speed is 58%.Thereafter after judging described increase, whether speed reaches 100%, when being judged as YES, exports the pressure coefficient that described intelligent terminal is corresponding, exports 100%; When being judged as NO, the background message of speed after increasing to switch transmission; After the increase that even determination module is determined, speed is 58%, and the background message that transmission rate is 58% is to switch.
Intelligent terminal also comprises the background message of resolving tripping operation message and increasing rear speed, generating hard contact outputs, according to hard contact, output and judge whether described tripping operation message and background message are all carried out, when being judged as YES, intelligent terminal generates the instruction of advancing the speed, otherwise pressure coefficient corresponding to output intelligent terminal, i.e. after output increases, speed deducts predefined step-length.If speed is 58% after the increase of determining, it is no in this speed, judging, illustrate that intelligent terminal can not work under this speed, when a upper speed 56%, intelligent terminal can work, and the pressure coefficient that described intelligent terminal is corresponding is 58%-2%=56%.
Also be, during message that tripping operation message and described background message are same content, if intelligent terminal can work under set rate, according to the instruction of advancing the speed, constantly increase the speed of background traffic, until background traffic reaches 100%, 100% be message pressure coefficient, or until intelligent terminal can not work, the maximum speed that intelligent terminal can be worked is the pressure coefficient of intelligent terminal.
The structural representation of the execution mode three of the system of the detection of a kind of intelligent terminal message pressure that Fig. 3 provides for the utility model embodiment, as shown in Figure 3, in this kind of execution mode, intelligent terminal can be realized by phase-splitting intelligent terminal, the normal message that the background traffic that network performance tester sends and digital protective relay tester send is same GOOSE controll block, this controll block is the controll block that tested intelligent terminal can be carried out, wherein at least comprise the instruction that a tested intelligent terminal can be carried out, naming in this GOOSE controll block a wherein executable instruction is a.Instruction a in background traffic is FLASE, and ST, SQ all do not change, and set rate is F; The GOOSE message instruction a that digital protective relay tester sends is TRUE, ST, SQ normal variation.In execution mode two, the described tripping operation message that intelligent terminal parsing receives and described background message, generate hard contact and output, and according to hard contact, outputs pressure coefficient corresponding to the described intelligent terminal of output, and the concrete course of work is as follows:
When hard contact, output while not showing that tripping operation message and background message are all carried out, intelligent terminal generates changing down instruction.In this embodiment, check that the hard contact of intelligent terminal is outputed, whether decision instruction a carries out.If data displacement each time can both confirm that instruction is performed, illustrate that intelligent terminal can work under the background traffic of this speed; Otherwise, illustrate that intelligent terminal cannot work under the background traffic of this speed.
To network performance tester, send changing down instruction, changing down instruction is herein used to indicate the speed that network performance tester reduces background traffic (being background message).In changing down instruction, indicate the speed of background traffic to reduce according to predetermined step-length, according to a step-length, two step-lengths, three step-lengths ... reduce successively.
Network performance tester is determined and is reduced rear speed according to changing down instruction, set rate and predefined step-length.If set rate is 50%, predefined step-length is 2%, if indicate a step-length of reduction in changing down instruction, after the reduction that this step is determined, speed is 48%; If indication increases by 4 step-lengths in changing down instruction, after the reduction that this step is determined, speed is 42%.The background message of speed after reducing to switch transmission.After the reduction of even determining, speed is 42%, and the background message that transmission rate is 42% is to switch.
The background message that intelligent terminal is resolved tripping operation message and reduced rear speed, generating hard contact outputs, according to described hard contact, output and judge whether tripping operation message and background message are all carried out, when being judged as NO, intelligent terminal generates changing down instruction, otherwise export the pressure coefficient that described intelligent terminal is corresponding, i.e. speed after output reduces.After the reduction of even determining, speed is 42%, under this speed, is judged as YES, and illustrates that intelligent terminal can work under this speed, cisco unity malfunction when a upper speed 44%, and the pressure coefficient that described intelligent terminal is corresponding is 42%.
Also be, during message that described tripping operation message and described background message are same content, if intelligent terminal can not work under set rate, reduce the speed of background message, until intelligent terminal can work, the maximum speed that tested intelligent terminal can work is the pressure coefficient of tested intelligent terminal.
The structural representation of the execution mode three of the system of the detection of a kind of intelligent terminal message pressure that Fig. 4 provides for the utility model embodiment; as shown in Figure 4; in this kind of execution mode; switch can be realized by optical switch; the normal message that the background traffic that network performance tester sends and digital protective relay tester send is different GOOSE controll blocks; these two GOOSE controll blocks are all the controll block that tested intelligent terminal can be carried out, and all at least comprise respectively the instruction that a tested intelligent terminal can be carried out.If the GOOSE controll block of background traffic is B, in B, executable instruction is b; If the GOOSE controll block of digital relay protection tester is C, executable instruction called after c in C; Instruction b and instruction c are the instruction with different action behaviors.Instruction b in background traffic is TRUE, and ST, SQ all do not change; In the GOOSE message that digital protective relay tester sends, instruction c is TRUE, ST, SQ normal variation.In execution mode three, the described tripping operation message that intelligent terminal parsing receives and described background message, generate hard contact and output, and according to hard contact, outputs pressure coefficient corresponding to the described intelligent terminal of output, and the concrete course of work is as follows:
When hard contact, output and show that tripping operation message and background message all carry out, and time of implementation while meeting pre-provisioning request, intelligent terminal generates the instruction of advancing the speed.In this embodiment, check that the hard contact of intelligent terminal is outputed, whether whether decision instruction b, c have corresponding hard contact to output, by intelligent terminal, carried out, and whether the time of implementation meets pre-provisioning request.If instruction b each time and instruction c can both be performed, and meet the demands operate time, illustrate that intelligent terminal can work under the background traffic of this speed; If instruction b or instruction c have one not do not carry out or two all there is no execution, or do not meet the demands operate time, intelligent terminal cisco unity malfunction under the background traffic of this speed is described.
Network performance tester sends the instruction of advancing the speed, and the instruction of advancing the speed is herein used to indicate the speed that network performance tester increases background traffic.Advance the speed in instruction and indicate the speed of background traffic to increase according to predetermined step-length, according to a step-length, two step-lengths, three step-lengths ... increase successively.
Network performance tester is determined the rear speed of increase according to the instruction of advancing the speed, described set rate and predefined step-length.If set rate is 50%, predefined step-length is 2%, if indication increases a step-length in the instruction of advancing the speed, after the increase that this step is determined, speed is 52%; If advance the speed, in instruction, indication increases by 4 step-lengths, and after the increase that this step is determined, speed is 58%, judge described increase after speed whether reach 100%, when being judged as YES, export the pressure coefficient that described intelligent terminal is corresponding, export 100%; Otherwise, the background message of speed after increasing to switch transmission, after the increase of even determining, speed is 58%, the background message that transmission rate is 58% is to switch.
The background message that intelligent terminal is resolved tripping operation message and increased rear speed, generating hard contact outputs, according to hard contact, output and judge whether tripping operation message and background message are all carried out, and whether the time of implementation meets pre-provisioning request, when being judged as YES, intelligent terminal generates the instruction of advancing the speed, otherwise pressure coefficient corresponding to output intelligent terminal, i.e. after output increases, speed deducts predefined step-length.If speed is 58% after the increase of determining, be judged as NO, illustrate that intelligent terminal can not work under this speed, when a upper speed 56%, intelligent terminal can work, the maximum speed that current intelligent terminal can work is pressure coefficient, and the pressure coefficient that described intelligent terminal is corresponding is speed 58%-2%=56% after current increase.
Also be, during message that tripping operation message and described background message are different content, if intelligent terminal can work under set rate, according to the instruction of advancing the speed, constantly increase the speed of background traffic, until background traffic reaches 100%, 100% be message pressure coefficient, or until intelligent terminal can not work, the maximum speed that intelligent terminal can be worked is the pressure coefficient of intelligent terminal.
The structural representation of the execution mode four of the system of the detection of a kind of intelligent terminal message pressure that Fig. 5 provides for the utility model embodiment; as shown in Figure 5; in this kind of execution mode; network performance tester is realized by light mouth network performance tester; the normal message that the background traffic that network performance tester sends and digital protective relay tester send is different GOOSE controll blocks; these two GOOSE controll blocks are all the controll block that tested intelligent terminal can be carried out, and all at least comprise respectively the instruction that a tested intelligent terminal can be carried out.If the GOOSE controll block of background traffic is B, in B, executable instruction is b; If the GOOSE controll block of digital relay protection tester is C, executable instruction called after c in C; Instruction b and instruction c are the instruction with different action behaviors.Instruction b in background traffic is TRUE, and ST, SQ all do not change; In the GOOSE message that digital protective relay tester sends, instruction c is TRUE, ST, SQ normal variation.In execution mode four, the described tripping operation message that intelligent terminal parsing receives and described background message, generate hard contact and output, and according to hard contact, outputs pressure coefficient corresponding to the described intelligent terminal of output, and the concrete course of work is as follows:
When hard contact, output and not show that described tripping operation message and/or background message carry out, or time of implementation while not meeting predetermined requirement, intelligent terminal generates changing down instruction.In this embodiment, also check that the hard contact of intelligent terminal is outputed, whether decision instruction b, c are carried out by intelligent terminal, and whether the time of implementation meets pre-provisioning request.If instruction b each time and instruction c can both be performed, and meet the demands operate time, illustrate that intelligent terminal can work under the background traffic of this speed; If instruction b or instruction c have one not do not carry out or two all there is no execution, or do not meet the demands operate time, intelligent terminal cisco unity malfunction under the background traffic of this speed is described.To described network performance tester, send changing down instruction, changing down instruction is herein used to indicate the speed that network performance tester reduces background traffic (being background message).In changing down instruction, indicate the speed of background traffic to reduce according to predetermined step-length, according to a step-length, two step-lengths, three step-lengths ... reduce successively.
Network performance tester is determined and is reduced rear speed according to changing down instruction, set rate and predefined step-length.If set rate is 50%, predefined step-length is 2%, if indicate a step-length of reduction in changing down instruction, after the reduction that this step is determined, speed is 48%; If indication increases by 4 step-lengths in changing down instruction, after the reduction that this step is determined, speed is 42%.The background message of speed after reducing to described switch transmission, after the reduction that even after the second reduction, speed determination module is determined, speed is 42%, the background message that transmission rate is 42% is to switch.
The background message that intelligent terminal is resolved described tripping operation message and reduced rear speed, generating hard contact outputs, according to hard contact, output and judge whether described tripping operation message and background message are all carried out, and whether the time of implementation meets pre-provisioning request, when being judged as NO, intelligent terminal generates changing down instruction, otherwise exports the pressure coefficient that described intelligent terminal is corresponding, i.e. speed after output reduces.After the reduction of even determining, speed is 42%, under this speed, be judged as YES, illustrate that intelligent terminal can work under this speed, cisco unity malfunction when a upper speed 44%, the pressure coefficient that described intelligent terminal is corresponding is speed 42% after current reduction.
Also be, during message that described tripping operation message and described background message are same content, if intelligent terminal can not work under set rate, reduce the speed of background message, until intelligent terminal can work, the maximum speed that tested intelligent terminal can work is the pressure coefficient of tested intelligent terminal.
Below in conjunction with specific embodiment, the system of the detection of a kind of intelligent terminal message pressure that the utility model is provided elaborates.System configuration becomes as shown in Figure 5, and wherein relay-protection tester is digital protective relay tester, uses the digital protective relay tester in Fig. 5 to send tripping operation message.Fig. 6 is the circuit theory diagrams of this digital protective relay tester; as shown in Figure 6; digital protective relay tester is realized ethernet communication function and efficient data processing function fast by embedded-type ARM (Advanced RISC Machines) and digital signal processor (DSP); adopt fiber optic Ethernet output data message to tested protective device, hardware forms as shown in Figure 6.On tester panel, be designed with multi-way switching values input and multi-way switching values output port.When tested device outlet loop adopts hardwire, intake is used for receiving protection actuating signal.The amount of outputing provides status signal for equipment under test, for start at the trial equipment under test or for equipment under test provide open into.The gps signal that tester provides by GPS interface, the synchronous output in strange land and synchronous triggering that can realize many testers.
As shown in Figure 5, the intelligent terminal of applying in the present embodiment is phase-splitting intelligent terminal, and Fig. 7 is the circuit theory diagrams of this phase-splitting intelligent terminal, as shown in Figure 7, the plug-in unit that forms intelligent terminal has: power insert, main DSP plug-in unit, open entering plate, output plate, operation circuit plug-in unit, analog acquisition plate.DSP plug-in unit is responsible for GOOSE communication and device operational management; Intelligence is opened the switching value information that can gather the primary equipments such as circuit breaker, disconnecting link into plug-in unit, then by DSP plug-in unit, sends to protection and measurement and control device; Intelligence output that plug-in unit can send here by GOOSE net according to protection and measurement and control device minute, the corresponding exit relay of combined floodgate command driven moves, and exit relay starts and controls through DSP, guarantees the reliability of its action; The breaker tripping and closing outlet contact that intelligence is outputed plug-in unit is connected to operation circuit plug-in unit, completes breaker tripping and closing electric current self-retaining function, thereby move in circuit breaker by operation circuit plug-in unit.
Fig. 8 is the circuit theory diagrams of network performance tester, and as shown in Figure 8, network performance tester is by host computer, message generator, microprocessor, network monitoring module, communication interface, Ethernet interface, optical Ethernet interface etc.Host computer arranges message format, message content, send mode, message flow of transmission etc., by microprocessor, slave computer is unified to control, message is produced by message generator, by optical Ethernet port or electric ethernet port, send appointment message, by network monitoring module, monitor port flow.
As shown in Figure 5, the GOOSE data of digital relay protection tester and network performance tester send light mouth and by optical fiber, are connected to optical switch respectively; Switch is connected to tested phase-splitting intelligent terminal by a pair of optical fiber; Tested phase-splitting intelligent terminal output contact by cable connect back digital protective relay tester and network performance tester open into.
Embodiment mono-:
The background message that network performance tester sends be the tripping operation message that sends of background traffic and digital protective relay tester all from GOOSE piece A, A is subscribed to by intelligent terminal, in A, having can be the instruction a that tested intelligent terminal is carried out.
Testing process is as follows:
(1) digital protective relay tester is made the message of a frame GOOSE piece A, ST=x wherein, and SQ=y, instruction a is FLASE, naming this message is G1.
(2) G1 message is write to network performance tester, as a setting traffic messages.
(3) network performance tester sends single G1 message flow as a setting, and establishing background traffic set rate is F.
(4) digital protective relay tester sends the message of GOOSE piece A, and wherein instruction a is TRUE, ST, SQ normal variation, and send out a frame every 5 seconds, sends continuously 12 times.
(5) the hard contact that monitors intelligent terminal in this process is outputed, and can judgement all correctly resolve the 12 frame tripping operation messages of carrying out instruction a; Or by checking that the hard contact of intelligent terminal outputs, be confirmed whether the effective record of instruction a 12 times.
(6) if the 12 frame tripping operation messages of instruction a are all recorded or correctly resolve, increase the speed of background traffic, repeating step 1～5.
(7) if the in the situation that of flow 100%, tested intelligent terminal still can be resolved 12 frames tripping operation messages, and the applied in network performance test achievement of this intelligent terminal is that pressure coefficient is 100% so.
(8) if 12 frame tripping operation messages can be all by the correct execution of intelligent terminal or parsing under flow F1, under flow F1+ △ f, 12 frame tripping operation messages are not all by the correct execution of intelligent terminal or parsing, network performance finishes test so, and the applied in network performance test result of tested intelligent terminal is F1.Wherein △ f is the network performance achievement resolution of setting, i.e. step-length.
(9) if the 12 frame tripping operation messages of instruction a all do not record or correctly resolve, reduce the speed of background traffic, repeating step 1～5.
(10) if 12 frame tripping operation messages can be all by the correct execution of intelligent terminal or parsing under flow F1, under flow F1-△ f, 12 frame tripping operation messages are all by the correct execution of intelligent terminal or parsing, network performance finishes test so, and the applied in network performance test result of tested intelligent terminal is F1-△ f.Wherein △ f is the network performance achievement resolution of setting, i.e. step-length.
Embodiment bis-:
If GOOSE piece B, C are tested intelligent terminal, subscribe to, and contain respectively instruction b, the c that a frame can tested intelligent terminal be carried out.While requiring instruction c to carry out, intelligent terminal has junction closure, can be detected by digital protective relay tester, and general instruction c gets breaker tripping and closing or deciliter disconnecting link instruction.If the background message that network performance tester sends is that background traffic is GOOSE piece B, digital protective relay tester sends GOOSE piece C.
Testing procedure is as follows:
(1) digital protective relay tester is made the message of a frame GOOSE piece B, ST=x wherein, and SQ=y, instruction B=1, naming this message is G1.
(2) G1 message is write to network performance tester, as a setting traffic messages.
(3) network performance tester sends single G1 message flow as a setting, and establishing background traffic speed is F.
(4) digital protective relay tester sends the message of GOOSE piece C, and wherein instruction c carries out displacement (by 0 to 1, or from 1 to 0), ST, SQ normal variation, and once, displacement is 12 times continuously for the every displacement in 5 seconds of instruction c.
(5) the hard contact that monitors intelligent terminal in this process is outputed, and can judgement all correctly carry out 12 displacements of instruction c, if instruction c is trip command, the trip time should not surpass normal trip time 1ms; In this process, confirm that intelligent terminal can carry out instruction b.
(6) all correct 12 displacements carrying out instruction c, instruction c is trip command, the trip time should not surpass normal trip time 1ms; Confirmation intelligent terminal can be carried out instruction b, repeating step (1)～(5).
(7) if the in the situation that of flow 100%, tested intelligent terminal still can correctly be carried out 12 displacements of instruction c, trip time does not surpass normal trip time 1ms, and intelligent terminal can be carried out instruction b, and the applied in network performance test achievement of this intelligent terminal is 100% so.
(8) if the displacement of 12 instruction c is all executed correctly under flow F1, trip time should not surpass normal trip time 1ms, intelligent terminal can be carried out instruction b, under flow F1+ △ f, the displacement of 12 instruction c is not all executed correctly, or the trip time surpasses normal trip time 1ms, or intelligent terminal can carry out instruction b, network performance finishes test so, and the applied in network performance test result of tested intelligent terminal is F1.The network performance achievement resolution that wherein △ f accepts for test.
(9) if 12 displacements of instruction c are not all executed correctly, or the trip time surpass normal trip time 1ms, intelligent terminal can not be carried out instruction b, reduces the speed of background traffic, repeating step 1～5.
(10) if the displacement of 12 instruction c is not all executed correctly under flow F1, or the trip time surpasses normal trip time 1ms, or intelligent terminal can not be carried out instruction b, under flow F1-△ f, the displacement of 12 instruction c is all executed correctly, and the trip time does not surpass normal trip time 1ms, intelligent terminal can be carried out instruction b, and network performance finishes test so, and the applied in network performance test result of tested intelligent terminal is F1-△ f.The network performance achievement resolution that wherein △ f accepts for test.
In sum, the utility model provides a kind of system of detection of intelligent terminal message pressure, according to State Grid Corporation of China's company standard requirement, intelligent terminal feature, formulated the scheme of the detection of intelligent terminal message pressure, reach the check data processing performance of tested intelligent terminal and the object of data processing policy, tested its responding ability to normal message simultaneously.
Useful achievement of the present utility model is:
1) first utility model can detect the test of intelligent terminal network performance, and checked the network performance of different manufacturers intelligent terminal by this, significant to intelligent terminal Performance Detection.Test is analog network storm realistically, and the result of therefore by this, intelligent terminal being tested can be reacted the network performance of intelligent terminal fully.
2) by test, found the network performance existing problems of the intelligent terminal of some producer, the ability that anti-message impacts is poor, and producer rectifies and improves for problem, has eliminated the operating hidden danger of intelligent substation.Test result provides strong foundation for Electric Power Network Planning, design and lectotype selection.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment system, can come the hardware that instruction is relevant to complete by computer program, described program can be stored in general computer read/write memory medium, this program, when carrying out, can comprise as the flow process of the embodiment of above-mentioned each system.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
In the utility model, applied specific embodiment principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand its core concept of the present utility model; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (4)
1. a detection system for intelligent terminal message pressure, is characterized in that, the detection system of described intelligent terminal message pressure comprises relay-protection tester, network performance tester, switch and tested intelligent terminal,
Wherein, described relay-protection tester is connected with described switch by optical fiber;
Described network performance tester is connected with described switch by optical fiber;
Described switch is connected with described intelligent terminal by optical fiber;
Described intelligent terminal is connected with described relay-protection tester, network performance tester by cable;
Described relay-protection tester, sends tripping operation message for the switch to described;
Described network performance tester, sends background message for the switch to described;
Described switch, for receiving described tripping operation message and described background message, and is sent to described intelligent terminal;
Described intelligent terminal, for receiving described tripping operation message and described background message, and exports the pressure coefficient that described intelligent terminal is corresponding.
2. the detection system of intelligent terminal message pressure according to claim 1, is characterized in that, described intelligent terminal is phase-splitting intelligent terminal.
3. the detection system of intelligent terminal message pressure according to claim 1, is characterized in that, described relay-protection tester is digital protective relay tester.
4. the detection system of intelligent terminal message pressure according to claim 1, is characterized in that, described switch is optical switch.
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| CN201320429604.9U CN203482218U (en) | 2013-07-18 | 2013-07-18 | Detection system for message pressure of intelligent terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049114A (en) * | 2015-07-27 | 2015-11-11 | 电子科技大学 | Method for testing performance of optical switching chip module |
| CN106603338A (en) * | 2016-12-22 | 2017-04-26 | 广州供电局有限公司 | Method, device and system for testing response time of intelligent terminal |
| CN111865712A (en) * | 2020-06-23 | 2020-10-30 | 国网重庆市电力公司电力科学研究院 | Intelligent fusion terminal tester |
| CN111896827A (en) * | 2020-07-31 | 2020-11-06 | 许昌开普检测研究院股份有限公司 | Automatic test system for intelligent terminal time performance of intelligent substation |
-
2013
- 2013-07-18 CN CN201320429604.9U patent/CN203482218U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105049114A (en) * | 2015-07-27 | 2015-11-11 | 电子科技大学 | Method for testing performance of optical switching chip module |
| CN105049114B (en) * | 2015-07-27 | 2017-10-17 | 电子科技大学 | A kind of method of test light exchange chip module performance |
| CN106603338A (en) * | 2016-12-22 | 2017-04-26 | 广州供电局有限公司 | Method, device and system for testing response time of intelligent terminal |
| CN106603338B (en) * | 2016-12-22 | 2020-01-07 | 广州供电局有限公司 | Intelligent terminal response time testing method, device and system |
| CN111865712A (en) * | 2020-06-23 | 2020-10-30 | 国网重庆市电力公司电力科学研究院 | Intelligent fusion terminal tester |
| CN111896827A (en) * | 2020-07-31 | 2020-11-06 | 许昌开普检测研究院股份有限公司 | Automatic test system for intelligent terminal time performance of intelligent substation |
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