Background technology:
Intelligent substation is an important ring of China's intelligent grid national strategy, also is to the latest requirement of transformer station's Form of Technique under the intelligent grid environment.The nearly Pilot project construction that promoted energetically intelligent substation in 2 years of state net company, build intelligent substation design, technology is popularized and the stimulating innovation platform, promote technical research and deposit, by pilot project design and application, guiding promotes domestic main electric one, two equipment and technologies innovation and integrated, promote and the integrating of primary equipment, improve the intelligent substation level, but also exist some that problem to be optimized and that solve is arranged aspect some concrete technology realizations and the engineering construction.
A ubiquitous problem is to use in a large number switch, the complicated network structure in the current intelligent substation Pilot project construction, has increased the difficulty of construction, debugging and operation maintenance.Therefore under the prerequisite that guarantees protection observing and controlling functional reliability, simplified intelligent transformer station networking plan, the investment of minimizing switch are important restrictions of present intelligent substation design.In " point-to-point+integration " networking plan that state net company proposes, if adopt have the transparent transmission function bay device further simplified network, obviously reduce network switch number, have significant application and popularization value.
Therefore design a kind of protection observing and controlling function that integrates; the common network transmission of supporting process layer SV, GOOSE and IEC 1588 messages; the guidance spirit of the wall protection compound State Grid Corporation of China of measure and control device " intelligent substation technology guide rule " of the common network transmission of support station level MMS, SV, GOOSE and IEC 1588 messages, realization SV, GOOSE, IEC1588 message transmission technology, the also objective demand of compound current intelligent substation construction.
Find through the retrieval to prior art: in the various wall protection measure and control devices of present domestic record, the process-level network message co-cable transmission technology that realized that has, but the Signal Transparent Transmission Technology of SV, GOOSE message does not also have accomplished.
Summary of the invention:
The object of the present invention is to provide a kind of protection observing and controlling function that integrates; the common network transmission of supporting process layer SV, GOOSE and IEC 1588 messages, the wall protection measure and control device of the common network transmission of support station level MMS, SV, GOOSE and IEC 1588 messages, realization SV, GOOSE, IEC1588 message transmission function.
The objective of the invention is to be achieved through the following technical solutions: the protection measure and control device mainly comprises: PLC processing module and Communications Processor Module, the PLC processing module is the core component of device, realize the computing of protection observing and controlling function logic, link to each other with Communications Processor Module and realize the mutual of various real time datas and management data; Communications Processor Module is the critical component of device, realizes communication message processing, convergence and transmission, and Communications Processor Module links to each other with the PLC processing module and realizes that real time data is mutual;
Described PLC processing module comprises: PLC controller, PCI communication interface, wherein:
The PLC controller links to each other with the PCI communication interface, via pci bus mode and Communications Processor Module interactive information,
The PCI communication interface is towards pci bus, comprise 1 PCI communication controler, the PCI communication interface links to each other with the PLC controller in module, externally connects the PCI communication interface of Communications Processor Module, realizes bulk information between PLC control module and the Communications Processor Module, mutual at a high speed.Realize that GOOSE relevant information between sampling point information, PLC processing module and the Communications Processor Module that PLC processing module received communication processing module sends here is mutual, MMS process relevant information is mutual between PLC processing module and the Communications Processor Module, PLC processing module received communication processing module is sent here to the time information
Described Communications Processor Module comprises: Control on Communication submodule, process layer communication interface, station level communication interface and PCI communication interface, wherein:
The Control on Communication submodule links to each other with the process layer communication interface, the data interaction of realization and process layer devices,
The Control on Communication submodule links to each other with the station level communication interface, the data interaction of realization and station level,
The Control on Communication submodule links to each other with the PCI communication interface, realizes the information interaction of Communications Processor Module and PLC processing module via pci bus,
The PCI communication interface is towards pci bus, comprise 1 PCI communication controler, the PCI communication interface links to each other with the Control on Communication submodule in module, externally connects the PCI communication interface of PLC processing module, realizes information interaction between Communications Processor Module and the PLC processing module.
Owing to Control on Communication submodule employing high-capacity and high-speed FPGA, the SV message that realization processing procedure layer is uploaded, the GOOSE message that the processing procedure layer is uploaded, processing station level MMS message interaction, 1588 messages that the processing station level issues, the GOOSE message that the processing station level issues, the SV message that the processing station level issues, the GOOSE message of processing PLC processing module initiation.Wherein: realize that the SV message function that the processing procedure layer is uploaded refers to: receive the SV message that process layer is uploaded, just directly do not lose if subscribe to this information; Otherwise, resolve on the one hand and restore sampled point to the use of PLC processing module, directly be transparent to station level through the station level communication interface on the other hand.The GOOSE message function that the processing procedure layer is uploaded refers to: receive the GOOSE message that process layer is uploaded, fruit is not subscribed to this information and just directly loses; Otherwise, parse on the one hand quantity of state information and use to the PLC processing module, directly be transparent to station level through the station level communication interface on the other hand.Processing station level MMS message interaction function refers to: realize the MMS process interface between station level equipment and the PLC processing module.Processing the 1588 message functions that station level issues refers to: receive IEC1588 that station level issues to the time message on the one hand analytic message finish time adjustment function, directly be transparent on the other hand process-level network.The GOOSE message function that the processing station level issues refers to: receive the GOOSE message that station level issues, directly transfer to the processing of PLC processing module if subscribed to this information, otherwise directly be transparent to process layer.The SV message function that the processing station level issues refers to: receive the SV message that station level issues, directly transfer to the processing of PLC processing module if subscribed to this information, otherwise lose.The GOOSE message function of processing the initiation of PLC processing module refers to: PLC has the control command relevant with GOOSE or state information to send, and is encoded into the GOOSE message and sends to respectively station level network and process-level network.The wall protection measure and control device of this SV, GOOSE transparent transmission function can be simplified networking plan, reduces investment, conveniently build, and realizes SV, GOOSE, IEC1588 message transmission function.
Operate in on-the-spot wall protection measure and control device and adopted the framework of this method design, and in software, realized described various functions.Test and ruuning situation show, the wall protection measure and control device of this method design, the fully requirement of satisfied " relay protection of power system and automatic safety device anti-accident measures main points " and " intelligent substation technology guide rule ".
Specific embodiments
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, adopt " simplification point-to-point+two-play " networking plan of the present embodiment design.
" simplification point-to-point+two-play " networking plan, interval protection, observing and controlling and function of measuring are connected fiber optic point that point mode directly is connected with intelligent terminal with process layer combining unit, thereby guarantee each interval " function is autonomous ", obtain maximum operational reliability.
Not ad hoc process-level network, reservation station control layer network, star-like single net.
The station level network can transmit MMS, GOOSE, SV, IEEE1588 simultaneously, guarantees the Internet Transmission reliability by technological means such as network linear speed treatment technology, VLAN, GMRP.
To the time aspect, adopt IEEE1588, can not lay special-purpose setting network.The device sample-synchronous does not rely on synchronous clock source, and the Sampling techniques realization is synchronous again by interpolation, fully guarantees reliability of relay--protection.Process layer combining unit and intelligent terminal to the time rely on the mode of bay device by IEEE1588 boundary clock or transparent clock to realize.
Failure wave-recording directly obtains SV and GOOSE from the station level networking, requires protection measure and control device in each interval the SV data penetration transmission control layer network that arrives at a station.
As shown in Figure 2, the present embodiment comprises: the protection measure and control device with SV, GOOSE transparent transmission function that the present invention relates to mainly comprises: PLC processing module and Communications Processor Module.Wherein:
The PLC processing module is the core component of device, realizes main protection observing and controlling function logic computing, links to each other with Communications Processor Module to realize the mutual of various real time datas and management data.
Communications Processor Module is the critical component of device, realizes communication message processing, convergence and transmission; Communications Processor Module externally provides fiber optic data communication interface respectively realization and process layer, station level data interaction, the common network transmission of implementation procedure layer SV, GOOSE and IEC 1588 messages realizes that the common network of station level MMS, SV, GOOSE and IEC 1588 messages transmits, realizes SV, GOOSE, IEC1588 message transmission; Communications Processor Module links to each other with the PLC processing module and realizes that real time data is mutual.
Described PLC processing module comprises: PLC controller, PCI communication interface.Wherein:
The PLC controller adopts 32 high-performance microprocessors, realizes protection measurement and control logic computing and management function.The defencive function of realizing comprises: two sections charge protections, three sections overcurrent protections and three sections zero sequence overcurrent protections; The observing and controlling function that realizes comprises: remote measurement, remote signalling, remote control, asynchronous switch-on detection and integrated five are prevented; The management function that realizes comprises: definite value parameter management, event report management, log management and protection logic flag collector reason.
The PLC controller links to each other with the PCI communication interface, via pci bus mode and Communications Processor Module interactive information.
The PCI communication interface comprises 1 PCI communication controler towards pci bus.The PCI communication interface links to each other with the PLC controller in module, externally connects the PCI communication interface of Communications Processor Module, realizes bulk information between PLC control module and the Communications Processor Module, mutual at a high speed.Realize that GOOSE relevant information between sampling point information, PLC processing module and the Communications Processor Module that PLC processing module received communication processing module sends here is mutual, MMS process relevant information is mutual between PLC processing module and the Communications Processor Module, PLC processing module received communication processing module is sent here to the time information.
Described Communications Processor Module comprises: Control on Communication submodule, process layer communication interface, station level communication interface and PCI communication interface.Wherein:
Control on Communication submodule employing high-capacity and high-speed FPGA, the SV message that realization processing procedure layer is uploaded, the GOOSE message that the processing procedure layer is uploaded, processing station level MMS message interaction, 1588 messages that the processing station level issues, the GOOSE message that the processing station level issues, the SV message that the processing station level issues, the GOOSE message of processing PLC processing module initiation.Wherein: realize that the SV message function that the processing procedure layer is uploaded refers to: receive the SV message that process layer is uploaded, just directly do not lose if subscribe to this information; Otherwise, resolve on the one hand and restore sampled point to the use of PLC processing module, directly be transparent to station level through the station level communication interface on the other hand.The GOOSE message function that the processing procedure layer is uploaded refers to: receive the GOOSE message that process layer is uploaded, fruit is not subscribed to this information and just directly loses; Otherwise, parse on the one hand quantity of state information and use to the PLC processing module, directly be transparent to station level through the station level communication interface on the other hand.Processing station level MMS message interaction function refers to: realize the MMS process interface between station level equipment and the PLC processing module.Processing the 1588 message functions that station level issues refers to: receive IEC1588 that station level issues to the time message on the one hand analytic message finish time adjustment function, directly be transparent on the other hand process-level network.The GOOSE message function that the processing station level issues refers to: receive the GOOSE message that station level issues, directly transfer to the processing of PLC processing module if subscribed to this information, otherwise directly be transparent to process layer.The SV message function that the processing station level issues refers to: receive the SV message that station level issues, directly transfer to the processing of PLC processing module if subscribed to this information, otherwise lose.The GOOSE message function of processing the initiation of PLC processing module refers to: PLC has the control command relevant with GOOSE or state information to send, and is encoded into the GOOSE message and sends to respectively station level network and process-level network.
The Control on Communication submodule links to each other with the process layer communication interface, realize and the data interaction of process layer devices, specifically comprise: the GOOSE message that send on the SV message that send on the receiving course layer, the receiving course layer, issue the GOOSE message to process layer, issue IEC 1588 messages to process layer.
The Control on Communication submodule links to each other with the station level communication interface, realize and the data interaction of station level, specifically comprise: realize and station level between MMS process message interaction, receive IEC 1588 messages that station level issues, upload the SV message to station level, upload the GOOSE message to station level.
The Control on Communication submodule links to each other with the PCI communication interface, realize the information interaction of Communications Processor Module and PLC processing module via pci bus, specifically comprise: realize the MMS process is relevant between Communications Processor Module and the PLC processing module information interaction, Communications Processor Module send sampling point information to GOOSE relevant information between PLC processing module, Communications Processor Module and the PLC processing module alternately, the Communications Processor Module transmission to the time information arrive and the PLC processing module.
Process layer communication interface procedure-oriented layer network (comprising process layer devices and bay device) comprises the HDLC communication interface of 4 100M/1000M.The process layer communication interface links to each other with the Control on Communication submodule in module, each HDLC interface externally can be connected to process-level network or point to point connect as required to process layer devices, SV, GOOSE, IEC 1588 messages is mutual between realization Control on Communication submodule and the process layer devices, and the connection block signal between realization and the bay device is mutual.
The station level communication interface comprises the HDLC communication interface of 2 100M towards station level network (might station level network logically the double process-level network of doing).The station level communication interface links to each other with the Control on Communication submodule in module; each HDLC interface externally can be connected to the station level network as required; realize MMS message interaction between Control on Communication submodule and station level supervisory control system, the senior application; realize with bay device (comprising station territory protection, message accounting, fault wave recording device) between SV message, GOOSE message mutual, realize and to the time system between IEC 1588 messages alternately.
The PCI communication interface comprises 1 PCI communication controler towards pci bus.The PCI communication interface links to each other with the Control on Communication submodule in module, externally connects the PCI communication interface of PLC processing module, realizes information interaction between Communications Processor Module and the PLC processing module.Realize the MMS process is relevant between Communications Processor Module and the PLC processing module information interaction, Communications Processor Module send sampling point information to GOOSE relevant information between PLC processing module, Communications Processor Module and the PLC processing module alternately, the Communications Processor Module transmission to the time information arrive and the PLC processing module.
Operate in on-the-spot wall protection measure and control device and adopted the framework of this method design, and in software, realized described various functions.Test and ruuning situation show, the wall protection measure and control device of this method design, the fully requirement of satisfied " relay protection of power system and automatic safety device anti-accident measures main points " and " intelligent substation technology guide rule ".