CN107154673B - Comprehensive test platform of intelligent substation - Google Patents
Comprehensive test platform of intelligent substation Download PDFInfo
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- CN107154673B CN107154673B CN201610119053.4A CN201610119053A CN107154673B CN 107154673 B CN107154673 B CN 107154673B CN 201610119053 A CN201610119053 A CN 201610119053A CN 107154673 B CN107154673 B CN 107154673B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00019—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using optical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a comprehensive test platform of an intelligent substation, wherein the intelligent substation comprises a process layer or station control layer network, process layer equipment, spacer layer equipment and station control layer equipment; the comprehensive detection platform comprises: the system comprises a main control board, a synchronous signal power bus and two interface boards; one side of the main control board and one side of the interface board are respectively provided with a time setting interface, a power interface and an optical fiber interface; two ends of the synchronous signal power bus are connected with the time setting and power interface of the main control board and the time setting and power interface of the interface board; the optical fiber interface of the main control board is connected with the optical fiber interface of the interface board. The invention adopts an electromagnetic transient simulation mode to provide an operation environment simulating a real power grid for the tested intelligent substation; through setting up various complicated trouble, detect single device, single interval and all devices of intelligent substation and cooperate the exactness each other, solved the closed-loop test that the scene can't be carried out and can't verify the problem of device interoperation simultaneously.
Description
Technical Field
The invention relates to a transformer substation detection device, in particular to an intelligent transformer substation comprehensive detection platform.
Background
The accuracy of the information of the intelligent substation not only directly influences the realization degree of the intellectualization of the substation, but also influences the operation state of the intelligent substation, so how to ensure timely, accurate and complete acquisition of sufficient substation operation information, rapidly and accurately process the information, grasp and predict the operation state of the intelligent substation in real time, give an early warning to various abnormal conditions, take measures in time to prevent the occurrence of faults, and continuously evaluate the substation according to the actual operation state of the substation, thereby effectively ensuring the construction and operation maintenance of the intelligent substation engineering to be very important.
Although the new generation of intelligent transformer substations start to be popularized in a large scale, the debugging technology and means mainly based on the relay protection tester are very limited, the functions of the debugging technology and means are relatively monotonous, and the debugging technology and means cannot meet the debugging requirements of the new generation of intelligent transformer substations; in addition, the steady-state data and the dynamic data acquisition systems of the transformer substation are independent from each other, time scales are not uniform, data cannot be shared, and the high-level application of the accident analysis and dispatching system for state estimation and the like is not facilitated.
Aiming at the defects of the prior art, the invention provides a portable comprehensive detection platform for an intelligent substation, which has the simulation functions of a power grid and the intelligent substation and can be used for comprehensively detecting a single intelligent device, a single interval and even the whole intelligent substation which is connected into a virtual simulation power grid.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an intelligent substation comprehensive detection platform, wherein the intelligent substation comprises a process layer or station control layer network, process layer equipment, spacer layer equipment and station control layer equipment, and the comprehensive detection platform comprises: the system comprises a main control board, a synchronous signal power bus and two interface boards; one side of the main control board and one side of the interface board are respectively provided with a time setting interface, a power interface and an optical fiber interface; two ends of the synchronous signal power bus are connected with the time setting and power interface of the main control board and the time setting and power interface of the interface board; the optical fiber interface of the main control board is connected with the optical fiber interface of the interface board.
The first interface board is provided with 6 hundred-million-optical Ethernet ports and 1 kilomega-optical Ethernet port for providing detection data for the spacer layer equipment; the second interface board is provided with 7 optical serial transmit ports that provide process layer devices with instrumentation data.
The gigabit Ethernet port communicates with the spacer layer equipment in a point-to-point connection mode; the gigabit Ethernet port communicates with the process layer or the station control layer network in a networking mode.
The working mode of the test platform comprises an open loop mode or a closed loop mode. And in the closed-loop mode, the main control board performs electromagnetic transient simulation calculation. And the first interface board sends a message formed by combining the current and voltage information to the spacer layer equipment and the process layer or the station control layer network.
The simulation cycle of the closed loop mode includes step 1: the main control board receives the information of the first interface board; step 2: completing electromagnetic transient simulation calculation; and step 3: the two interface boards receive the information of the main control board.
In the open-loop mode, the first interface board collects messages of a process layer or a station control layer network in real time and sends the messages to the main control board for real-time analysis. The main control board controls the operation and communication between the two interface boards.
Compared with the closest prior art, the technical scheme provided by the invention has the following beneficial effects:
1. the intelligent substation interface device has the function of testing process layer and bay layer devices of the intelligent substation, can be accessed to the process layer devices through the interface board 2 for closed-loop testing, and can also be accessed to the bay layer devices through the interface board 1 for testing; meanwhile, the gigabit Ethernet port of the interface board 1 is accessed to a process layer and a station control layer network in a networking mode, and all network conditions of the intelligent substation are comprehensively tested.
2. According to the invention, an electromagnetic transient modeling with equal proportion is carried out on an actual power grid and an intelligent substation, and an electromagnetic transient simulation mode is adopted to provide an operation environment simulating a real power grid for the tested intelligent substation; under the closed-loop mode, the accuracy of the mutual matching of a single device, a single interval and all devices of the intelligent substation is detected by setting various complex faults, and the problems that closed-loop tests cannot be carried out on site and the interoperation of the devices cannot be verified simultaneously are solved.
3. The invention has two working modes of point-to-point and networking, is suitable for various different wiring modes of the intelligent substation, can carry out a plurality of tests in a mode of not changing the wiring, and effectively improves the working efficiency.
4. The portable and field application characteristics are mainly considered in the design of the invention, and the volume, weight, dust prevention, shock prevention and the like of the case are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a closed loop test of the present invention;
FIG. 3 is a timing diagram illustrating the operation of a simulation step period in the closed loop mode of the present invention.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
The portable host in the test platform adopts a modular design and comprises a case, a power module, a main control board and two interface boards, wherein the power module, the main control board and the two interface boards are arranged in the case;
the power supply module is provided with +/-5V, +/-12V and +/-24V output interfaces and respectively supplies power to the liquid crystal display screen, the main control board and the interface board;
the main control board simulates a model established by an actual power grid and an intelligent substation in real time, sends a simulation result to the interface board 1 or the interface board 2, receives a message collected by the interface board 1 in real time, analyzes the message in real time, sends an analysis result to the comprehensive test platform, and visually displays the analysis result on the liquid crystal screen.
As shown in fig. 1, the structural diagram of the integrated test platform includes a main control board having an IRIG-B time-setting and power-supply interface 1, and sends IRIG-B and power-supply signals to a time-setting and power-supply interface 9 of interface boards 1 and 2 through a synchronous signal power bus, and is connected to a 2.5G optical fiber interface 8 of interface boards 1 and 2 through 2.5G optical fiber interfaces 2 and 3, respectively.
The interface board 1 is provided with 6 hundred-million-optical Ethernet ports (1-6) and 1 kilomega-optical Ethernet port (7); the hundred-million-light Ethernet port can communicate with the bay level through a point-to-point connection mode, can output IEC61850-9-1 and IEC61850-9-2 messages, and issues or subscribes GOOSE messages; the gigabit Ethernet port can be connected to an intelligent substation process layer or a station control layer network switch in a networking mode, transmits IEC61850-9-1 and IEC61850-9-2, issues a GOOSE message to a networking intelligent device, and subscribes the GOOSE or MMS message on the network. The interface board 1 also has the functions of sending IEC61850-9-1 and IEC61850-9-2 messages and receiving and sending GOOSE, and can provide a test data source for tested bay level equipment and station control level equipment; the GOOSE message of the process layer and the MMS message of the station control layer can be collected in real time.
The interface board 2 is provided with optical serial transmission ports 1-7; the device also has the function of sending messages in the IEC60044-7/8 format, and provides a test data source for the tested process layer equipment.
The invention provides a portable intelligent substation comprehensive test platform which comprises two working modes, namely a closed-loop mode and an open-loop mode;
as shown in fig. 2, when the present invention operates in the closed-loop mode, the interface board 1 is connected to the bay level device through the hundred mega ethernet port, and subscribes to the GOOSE message; connecting to a process layer and a station control layer network through a gigabit Ethernet port, and subscribing GOOSE messages and MMS messages; and sending the subscribed data to the main control board; the main control board analyzes GOOSE and MMS events in real time, displays the events in the integrated test software, completes electromagnetic transient simulation calculation at the same time, sends calculated information such as current, voltage and the like to the interface board 1 or the interface board 2 in an Aurora format, the interface board 1 combines the data in the Aurora format sent by the main control board into messages in IEC61850-9-1, IEC61850-9-2 and GOOSE formats and sends the messages to bay level equipment through a one-hundred-million Ethernet port, and simultaneously sends the messages in the IEC61850-9-1, IEC61850-9-2 and GOOSE formats to a process level and a station level network through a one-hundred-million Ethernet port; the interface board 2 combines the current and voltage information sent by the main control board into a message in an IEC60044-7/8 format and sends the message to the process layer equipment to provide the process layer equipment with the current and voltage information.
When the interface board 1 operates in the open loop mode, the GOOSE messages of the process layer network and the MMS messages of the station control layer network are collected in real time, uploaded to the main control board for real-time analysis, and displayed in the comprehensive test software.
Furthermore, when the portable intelligent substation comprehensive test platform operates in a closed-loop mode, various complex faults can be set, the hundred-mega Ethernet port of the interface board card 1 and the interface board 2 are used for detecting the correctness of the action fixed values and the control logic of equipment on the process layer and the bay layer of the intelligent substation, and all network conditions of the intelligent substation are comprehensively tested through the thousand-mega Ethernet port of the interface board 1.
When the comprehensive test platform of the portable intelligent substation operates in a closed-loop mode, the main control board can accurately control the operation and communication between the interface boards by taking an external IRIG-B synchronous signal as a time base, and a simulation step length period comprises the following steps:
step S1: the main control board receives GOOSE information sent by the interface board;
step S2: the master control board completes electromagnetic transient simulation calculation;
step S3: the main control board sends SV and GOOSE information to the interface board;
fig. 3 shows an operation timing diagram of the portable intelligent substation comprehensive test platform provided by the present invention in a simulation step length period of 250us, and the whole operation process is as follows:
① the main control board receives the Aurora message sent by the interface board 1 through the 2.5G optical fiber link, wherein the Aurora message includes GOOSE message of hundred mega Ethernet port, GOOSE and MMS message of giga Ethernet port, (wherein the GOOSE message and MMS message are the interface board in the last period
Obtained from process layer and spacer layer equipment, process layer and station control layer network)
The interface board 1 sends the messages of IEC61850-9-1, IEC61850-9-2 and GOOSE generated in the previous simulation period to the bay level device, the process level and the station control layer network through the hundred million and kilomega Ethernet ports while sending the Aurora messages to the main control board;
after the main control board finishes the first step, starting electromagnetic transient simulation calculation;
after the electromagnetic transient simulation calculation is finished, waiting to the middle time (T +125us) of the current simulation period, and starting to send the calculation result to the interface board 1 and the interface board 2 in an Aurora format message through a 2.5G optical fiber link;
fifthly, after the interface board 1 and the interface board 2 receive the Aurora message sent by the fourth, the first and the second are repeated until the next simulation period (T +250us) begins.
The modeling function of the power grid and the intelligent substation is rich in power system models, the power system models comprise a generator, a transformer, an alternating current line, a bus, a breaker, a disconnecting switch, fault elements and the like, the real power system transient process can be simulated, the running environment similar to a real power grid is provided for the tested intelligent substation, and the correctness of the cooperation of a single device, a single interval and all devices of the intelligent substation is detected by setting various complex faults in a closed-loop mode.
The event real-time analysis function can analyze the message transmission characteristics of the process layer and the station control layer network in real time, can analyze abnormal working conditions such as frame loss, step missing, out-of-sequence, false data and false quality in real time, and can analyze all GOOSE events generated by each intelligent device in real time to judge the working performance of the tested intelligent substation under various abnormal conditions.
Preferably, in order to facilitate the application of the portable intelligent substation comprehensive test platform to a field environment, the structure aspect adopts a modular design mode, the debugging and the assembly are convenient, and the following design is made in the aspect of the industrial application requirement structure and the aspects of vibration prevention, dust prevention and electromagnetic interference resistance.
The chassis and the inside mainly adopt aluminum alloy structures, so that the strength is considered, the weight is reduced, and the chassis is attractive and practical; the key part adopts the stainless steel sheet material, increases intensity to have rust-resistant effect, the machine case has the handle, conveniently carries.
In the aspect of dust prevention, the dust screen is made of a corrosion plate, the dust prevention effect is good, the dust prevention strips are added in corner gaps, the sealing of the case is kept, the rubber dust cover subjected to die sinking processing is adopted for the external interface, and the dust prevention gasket is adopted around the liquid crystal display screen, so that the influence of dust entering on display is avoided.
In the aspect of shock resistance, the hard disk adopts a shock-proof structure, the mounting hole is protected by a shock-proof rubber ring, and the rubber foot protector is adopted outside, so that the shock-proof hard disk has a shock-proof effect and can protect the box body and an external interface.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (2)
1. An intelligent substation comprehensive test platform, the intelligent substation comprises a process layer or station control layer network, process layer equipment, spacer layer equipment and station control layer equipment, and is characterized in that,
the comprehensive detection platform comprises: the system comprises a main control board, a synchronous signal power bus and two interface boards; one side of the main control board and one side of the interface board are respectively provided with a time setting interface, a power interface and an optical fiber interface;
one end of the synchronous signal power bus is connected with the time setting and power interface of the main control board; the other end of the synchronous signal power bus is connected with the time setting and power interface of the interface board; the optical fiber interface of the main control board is connected with the optical fiber interface of the interface board;
the first interface board is provided with 6 hundred-megawatt Ethernet ports and 1 gigabit Ethernet port for providing detection data for the spacer layer equipment;
the second interface board is provided with 7 optical serial transmission ports for providing detection data for the process layer equipment;
the gigabit Ethernet port communicates with the spacer layer equipment by using a point-to-point connection mode;
the gigabit Ethernet port communicates with the process layer or the station control layer network in a networking mode;
the working mode of the test platform comprises an open-loop mode or a closed-loop mode;
in the closed-loop mode, the main control board performs electromagnetic transient simulation calculation;
the electromagnetic transient simulation calculation obtains current and voltage information, and the first interface board sends a message formed by combining the current and voltage information to the spacer layer equipment and the process layer or station control layer network;
the simulation cycle of the closed-loop mode comprises the following steps:
step 1: the main control board receives the information of the first interface board;
step 2: completing the electromagnetic transient simulation calculation;
and step 3: the two interface boards receive the information of the main control board;
and in the open loop mode, the first interface board collects the messages of the process layer or the station control layer network in real time and sends the messages to the main control board for real-time analysis.
2. The intelligent substation integrated test platform of claim 1, wherein the master control board controls operation and communication between the two interface boards.
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| CN201610119053.4A CN107154673B (en) | 2016-03-02 | 2016-03-02 | Comprehensive test platform of intelligent substation |
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| CN201610119053.4A CN107154673B (en) | 2016-03-02 | 2016-03-02 | Comprehensive test platform of intelligent substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107894517A (en) * | 2017-10-11 | 2018-04-10 | 许继集团有限公司 | A kind of Substation process-level device to test frock and its patch panel assemblies, terminal plate |
| CN109142912A (en) * | 2018-07-12 | 2019-01-04 | 许继集团有限公司 | A kind of transformer station process layer device Auto-Test System |
| CN110763937A (en) * | 2019-10-31 | 2020-02-07 | 国网河南省电力公司电力科学研究院 | Intelligent substation test platform and method based on electromagnetic transient real-time simulation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465563A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | Integrated automation integration protection method and system |
| CN101465564A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | In-situ digitalization method and apparatus for transforming plant primary equipment |
| CN202393853U (en) * | 2011-12-28 | 2012-08-22 | 甘肃省电力公司兰州供电公司 | Digitalized relay protection tester of transformer station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2088444A1 (en) * | 2008-02-11 | 2009-08-12 | ABB Research Ltd. | System level testing for substation automation systems |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465563A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | Integrated automation integration protection method and system |
| CN101465564A (en) * | 2009-01-09 | 2009-06-24 | 北京美兰尼尔电子技术有限公司 | In-situ digitalization method and apparatus for transforming plant primary equipment |
| CN202393853U (en) * | 2011-12-28 | 2012-08-22 | 甘肃省电力公司兰州供电公司 | Digitalized relay protection tester of transformer station |
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