CN109474072B - Intelligent substation cluster measurement and control device and communication model generation method thereof - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses an intelligent substation cluster measurement and control device and a communication model generation method thereof, wherein the cluster measurement and control device adopts an embedded hardware design and comprises 1 management CPU module, 2 process layer communication modules, 2 power supply modules and 1 switching value acquisition module. The communication model generation method comprises the following steps: reading a CID model file and a CCD virtual terminal configuration file from an interval measurement and control device; downloading CID and CCD files to a cluster measurement and control device; step two, setting a short address mapping file for realizing the mapping between the short addresses in the CID and CCD files of the interval measurement and control devices and the short addresses of the virtual measurement and control devices in the cluster measurement and control devices; and step three, importing the short address mapping file, and automatically realizing the replacement of the short addresses in the CID file and the CCD file by the cluster measurement and control device according to the short address mapping file to generate the communication model configuration actually used by the virtual measurement and control device. The invention can effectively improve the overall reliability of the automatic system of the intelligent substation.
Description
Technical Field
The invention relates to an intelligent substation cluster measurement and control device and a communication model generation method thereof, and belongs to the technical field of measurement and control in the power automation technology.
Background
At present, most of measurement and control devices in the automatic system of the transformer substation in each voltage class are deployed and operated in a mode of single set configuration at intervals, when a certain interval measurement and control device quits operation due to a fault, monitoring and control of primary equipment and secondary equipment at the interval cannot be guaranteed, and the overall reliability of the automatic system of the transformer substation is greatly influenced. Particularly, after the intelligent power grid dispatching control system is deployed in a large scale, the equipment level of the master station system is remarkably improved, and higher requirements on the quality and reliability of the basic data of the transformer substation end are provided by the application function of the master station system. In order to improve the reliability of the substation automation system, many experts also develop research on the dual configuration of the substation measurement and control devices, but the cost of the dual measurement and control devices is increased by comprehensively considering, and the dual configuration scheme of the measurement and control devices has not been popularized and applied to the processing of public data such as the operation states of primary equipment and secondary equipment after the dual configuration.
With the construction and popularization of the intelligent transformer substation, the digital and networked information acquisition and sharing of the process layer in the substation lays a foundation for researching a function cluster of equipment. The national grid company also provides new technologies such as research and application clustering, virtualization and the like recently, and a redundant standby means of a sound spacing layer and a station control layer improves the running reliability of the system. Therefore, in order to meet new requirements of substation automation technology development, the invention researches an intelligent substation cluster measurement and control device and a communication model generation method thereof. The method can be applied to the intelligent substation as redundant standby equipment of the interval measurement and control device, can also be applied to the verification of the interlocking rule for replacing the interval which is not put into operation in the long term, and can also be used for the simulation and verification of a new system when the old station of the intelligent substation is transformed. The invention can effectively improve the overall reliability of the automatic system of the intelligent substation.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides an intelligent substation cluster measurement and control device and a communication model generation method thereof, high-performance multi-core processor design hardware is adopted, a single device can realize the virtualization of all or most interval measurement and control functions of one voltage class in an intelligent substation, a configured CID model and a virtual terminal configuration file are directly used for interval measurement and control, and the communication between a multi-IEC 61850 server and a station control layer is supported. The centralized backup for measuring and controlling the interval entity is realized or the device is used as a substitute device for a long-term planning interval.
The technical scheme is as follows: in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an intelligent substation cluster measurement and control device includes: the system comprises a management CPU module, a process layer communication module, a power supply module and a switching value acquisition module; the process layer communication module, the power supply module and the switching value acquisition module are respectively connected with the management CPU module.
The management CPU module is used for processing and controlling 16 interval analog quantity and switching value measurement data, and adopts 16 IEC61850 servers to communicate with the station control layer equipment, and each server supports 16 client connections;
the number of the process layer communication modules is set to be 2, each process layer communication module is used for supporting 8 interval data accesses, 16 interval process layer data accesses can be supported in total, and the 2 process layer communication modules and the management CPU module are communicated through a Serdes high-speed serial bus;
the power module adopts a dual-power redundancy design, and the number of the power modules is 2, so that the power modules can respectively and independently supply power to realize mutual standby;
the switching value acquisition module supports voltage self-adaptation of 110V and 220V and is used for acquiring various pressure plate signals required by cluster measurement and control operation.
Furthermore, the management CPU module is designed by taking an AM5726 processor of a Texas instrument as a core, the AM5726 is a four-core high-performance processor with a double ARM Cortex-A15 core and a double C66x DSP core, the main frequency of the ARM Cortex-A15 processor can reach 2.5GHz at most, and the main frequency of a C66x series DSP can reach 1.25GHz at most. The 2 DSP checks and realizes the functions of 16 interval measurement data calculation, circuit breaker synchronization, disconnecting link control, anti-misoperation lockout logic judgment and the like, and the 2 ARM checks and realizes the functions of multi-server MMS communication, cross-interval linkage lockout GOOSE communication, interval entity measurement and control running state monitoring, self software and hardware detection management of the device and the like on a station control layer.
Furthermore, the process layer communication module is designed by taking a P1010 high-performance communication processor of Emizpu as a core, the FPGA is adopted to realize the receiving and sending of GOOSE and SV messages of the process layer according to configuration information, and the P1010 processor analyzes the messages, extracts sampling value data and switching value data and sends the sampling value data and the switching value data to the management CPU module through a Serdes bus. In order to meet the requirement of message processing real-time performance, the P1010 processor calls and executes programs in a main loop and interrupt mode.
A method for generating a communication model of an intelligent substation cluster measurement and control device comprises the following steps:
reading a CID model file and a CCD virtual terminal configuration file from an interval measurement and control device, or deriving the CID file and the CCD file from an SCD file; downloading CID files and CCD files to a cluster measurement and control device;
step two, setting a short address mapping file for realizing the mapping between short addresses in a CID model file and a CCD virtual terminal configuration file of the interval measurement and control device and the short addresses of the virtual measurement and control devices in the cluster measurement and control device;
and step three, importing the short address mapping file, automatically replacing the short addresses in the CID file and the CCD file by the cluster measurement and control device according to the short address mapping file, and generating the communication model configuration actually used by the virtual measurement and control device.
Furthermore, in the first step, the CID file and the CCD file are downloaded to the management CPU module in a unified manner for unified file management, and the virtual terminal configuration information is sent to the process layer interface module through the internal communication bus at the power-on stage of the cluster measurement and control device.
Further, in the second step, an XML language is adopted to design a short address mapping file, an intermediate format short address is defined, the short address mapping file is divided into 2 parts, the first part represents the corresponding relationship between the intermediate format short address and the entity interval measurement and control device, and the second part represents the mapping relationship between the intermediate format short address and the virtual measurement and control device short address in the cluster measurement and control device.
Further, the cluster measurement and control device is defined as a VMCU in the name of a middle format short address, the middle format short address is named according to the name of a VMCU _ functional element name _ variable, the middle format short address and the entity interval measurement and control device short address are in one-to-one correspondence, one-to-one and one-to-many mapping are simultaneously supported between the middle format short address and the virtual measurement and control device short address according to different application types, one-to-one mapping is adopted for a module which adopts multiple processes to realize multiple interval functions, and one-to-many mapping is adopted for a single module to realize multiple interval functions.
Has the beneficial effects that: the intelligent substation cluster measurement and control device and the communication model generation method thereof provided by the invention can be applied to an intelligent substation as redundant standby equipment of an interval measurement and control device, can also be applied to verification of interlocking rules for replacing a long-term non-commissioning interval, and can also be used for simulation and verification of a new system when an old station of the intelligent substation is transformed. The overall reliability of the automatic system of the intelligent substation can be effectively improved. The method has the advantages that hardware is designed by adopting a high-performance multi-core processor, a single device can realize the virtualization of all or most interval measurement and control functions of one voltage class in the intelligent substation, a configured CID model and a virtual terminal configuration file are directly measured and controlled in an interval mode, and the communication between a multi-IEC 61850 server and a station control layer is supported. The centralized backup for measuring and controlling the interval entity is realized or the device is used as a substitute device for a long-term planning interval.
Drawings
Fig. 1 is a hardware configuration diagram of a cluster measurement and control device of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an intelligent substation cluster measurement and control device includes: the system comprises 1 management CPU module, 2 process layer communication modules, 2 power supply modules and 1 switching value acquisition module.
The management CPU module completes the processing and control of 16 interval analog quantity and switching value measurement data, and adopts 16 IEC61850 servers to communicate with the station control layer equipment, and each server supports 16 client connections; the processor is designed by taking an AM5726 processor of a Texas instrument as a core, the AM5726 is a four-core high-performance processor with a double ARM Cortex-A15 core and a double C66x DSP core, the main frequency of the ARM Cortex-A15 processor can reach 2.5GHz at most, and the main frequency of a C66x series DSP can reach 1.25GHz at most. The 2 DSP checks and realizes the functions of 16 interval measurement data calculation, circuit breaker synchronization, disconnecting link control, anti-misoperation lockout logic judgment and the like, and the 2 ARM checks and realizes the functions of multi-server MMS communication, cross-interval linkage lockout GOOSE communication, interval entity measurement and control running state monitoring, self software and hardware detection management of the device and the like on a station control layer.
The process layer communication module is completed by 2 process layer communication modules together, each module supports 8 interval data accesses and can support 16 interval process layer data accesses, and the 2 process layer communication modules and the management CPU module are communicated through a Serdes high-speed serial bus on a device bus backboard. The P1010 high-performance communication processor of Emispu is adopted as a core to be designed, the FPGA is adopted to realize the receiving and sending of GOOSE and SV messages at a process layer according to configuration information, the P1010 processor analyzes the messages, and sampling value data and switching value data are extracted and sent to the management communication module through a Serdes bus. In order to meet the requirement of message processing real-time performance, the P1010 processor calls and executes programs in a main loop and interrupt mode.
The power module adopts dual power redundancy design, and 2 power modules can independently supply power respectively, and realize each other for reserve. The power supply is a switch power supply supporting alternating current and direct current, the distribution problem of loads needs to be considered when double power supplies are adopted for supplying power, if the loads are concentrated on one power supply and the other power supply works in an idle state, when the loaded power supply breaks down and needs to switch the loads, a voltage gap can be generated in the idle power supply at the step moment, and the device is reset. Therefore, a current equalizing circuit is added when the dual-power design is carried out, so that the load can be equally divided by 2 power supplies when the device runs, and the load is prevented from being concentrated on one power supply.
The switching value acquisition module supports voltage self-adaptation of 110V and 220V and is used for acquiring various pressure plate signals required by cluster measurement and control operation.
A method for generating a communication model of an intelligent substation cluster measurement and control device comprises the following steps:
reading a CID model file and a CCD virtual terminal configuration file from an interval measurement and control device, or deriving the CID file and the CCD file from an SCD file; downloading CID files and CCD files to a cluster measurement and control device;
step two, setting a short address mapping file for realizing the mapping between the short addresses in the CID model file of the interval measurement and control device and the CCD virtual terminal configuration file and the short addresses of the virtual measurement and control device; the short address file is designed by adopting an XML language, an intermediate format short address is defined, the file is divided into 2 parts, the first part represents the corresponding relation between the intermediate format short address and the entity interval measurement and control device, and the second part represents the mapping relation between the intermediate format short address and the virtual measurement and control device short address. The models and configuration file short addresses of different equipment manufacturers are defined differently, when the cluster measurement and control device realizes the backup of the measurement and control devices of different manufacturers, only the first part of the file needs to be modified and edited, and the second part of the file can be kept unchanged.
And step three, importing the short address mapping file, and enabling the cluster measurement and control device to realize automatic replacement of the short addresses in the CID file and the CCD file according to the mapping relation defined by the short address mapping file to generate the communication model configuration actually used by the virtual measurement and control device.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (1)
1. A method for generating a communication model of an intelligent substation cluster measurement and control device is characterized by comprising the following steps: the intelligent substation cluster measurement and control device includes: the system comprises a management CPU module 1, a process layer communication module 2, a power supply module 2 and a switching value acquisition module 1, wherein the process layer communication module, the power supply module and the switching value acquisition module are respectively connected with the management CPU module;
the management CPU module is used for processing and controlling 16 interval analog quantity and switching value measurement data, and adopts 16 IEC61850 servers to communicate with the station control layer equipment, and each server supports 16 client connections; the management CPU module adopts an AM5726 processor, 16 interval measurement data calculation, circuit breaker synchronization, disconnecting link control and anti-misoperation lockout logic judgment are performed on 2 DSP checks, 2 ARM checks perform multi-server MMS communication with a station control layer, cross-interval linkage lockout GOOSE communication, interval entity measurement and control running state monitoring and device software and hardware detection management; each process layer communication module is used for supporting 8 interval data access, can support 16 interval process layer data access altogether, 2 process layer communication modules and management CPU module are communicated through Serdes high-speed serial bus; the process layer communication module adopts a P1010 communication processor; the method comprises the steps that an FPGA is adopted to achieve receiving and sending of GOOSE and SV messages of a process layer according to configuration information, and a P1010 processor calls and executes a program in a main cycle and interrupt mode;
the power module adopts a dual-power redundancy design, the number of the power modules is 2, and the power modules supply power independently and respectively to realize mutual standby;
the switching value acquisition module supports voltage self-adaptation of 110V and 220V and is used for acquiring various pressure plate signals required by cluster measurement and control operation;
the method comprises the following steps:
reading a CID model file and a CCD virtual terminal configuration file from an interval measurement and control device, or deriving the CID file and the CCD file from an SCD file; downloading CID files and CCD files to a cluster measurement and control device;
step two, setting a short address mapping file for realizing the mapping between short addresses in a CID model file and a CCD virtual terminal configuration file of the interval measurement and control device and the short addresses of the virtual measurement and control devices in the cluster measurement and control device;
step three, importing a short address mapping file, automatically replacing short addresses in a CID file and a CCD file by the cluster measurement and control device according to the short address mapping file, and generating communication model configuration actually used by the virtual measurement and control device;
the short address mapping file is designed by adopting an XML language, an intermediate format short address is defined, the short address mapping file is divided into 2 parts, the first part represents the corresponding relation between the intermediate format short address and the entity interval measurement and control device, and the second part represents the mapping relation between the intermediate format short address and the virtual measurement and control device short address in the cluster measurement and control device.
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| CN109947025B (en) * | 2019-03-29 | 2020-07-28 | 南京南瑞继保电气有限公司 | Cluster measurement and control device configuration method |
| CN110784365A (en) * | 2019-11-09 | 2020-02-11 | 许继集团有限公司 | Standby device of station control layer and entity device of transformer substation and automatic online method thereof |
| CN110707824B (en) * | 2019-11-12 | 2021-08-20 | 上海思源弘瑞自动化有限公司 | Redundancy configuration method, device, equipment and storage medium of measurement and control device |
| CN112556750B (en) * | 2020-11-30 | 2022-06-21 | 薛峰 | Function detection method of cluster measurement and control device |
| CN114142603A (en) * | 2021-11-01 | 2022-03-04 | 北京四方继保工程技术有限公司 | Resource allocation identification and warehousing design method and system for redundant measurement and control device |
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