CN103200280A - Process level interface device of intelligent substation - Google Patents
Process level interface device of intelligent substation Download PDFInfo
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Abstract
The invention provides a process level interface device of an intelligent substation. The process level interface device of the intelligent substation comprises a light-emitting diode (LED) panel, a high-speed bus back board, a power supply board, a data collecting unit, a sharing communication interface unit and an operation control unit. The data collecting unit, the sharing communication interface unit, the operation control unit, the power supply board and the LED panel respectively perform data interaction through the high-speed bus back board. The process level interface device of the intelligent substation can combine and integrate functions of an existing merging unit and an intelligent terminal device in the same interval of the intelligent substation to form a set of intelligent interface devices, and therefore unifying accessing into the process level device of the intelligent substation is achieved.
Description
Technical field
The invention belongs to the power automation field, be specifically related to a kind of intelligent substation process layer interface equipment.
Background technology
Along with the continuous popularization of IEC61850 standard and deeply, the framework of three-layer equipment (station level, wall, process layer) not only makes the system configuration of whole transformer station more clear, also provides convenience for the operation maintenance of transformer station simultaneously.The IEC61850 standard also is the basis that intelligent substation is built, and then is one of this standard prominent features based on the process layer bussing technique of IEC61850 standard.Process device is made up of primary equipments such as electronic mutual inductor (conventional instrument transformer), circuit breakers usually, the equipment that participates in the building process network then is respectively merge cells and intelligent end device, i.e. the actual transmitting and receiving device of process layer SV and GOOSE message.Along with applying of IEC61850 standard, merge cells and intelligent terminal have also obtained extensive use in transformer station.
Intelligent substation is as the industrial plants of power industry, and its development in future trend will relate to the integrated of the integration of full station system and equipment, and this is not only the performance that the industrial technology level promotes, and also is the important embodiment of efficient energy-saving simultaneously.Along with going deep into of intelligent substation construction, the application of merge cells and intelligent terminal is also more extensive, corresponding product is stable and perfect day by day on performance, and accumulated the practical experience that a large amount of engineerings are used, because merge cells and intelligent terminal all are service and primary equipment, therefore particularly outstanding in the same interval, just proposed both are carried out integrated thinking from design angle.
The patent No. is that CN201110186649.3, name are called: the invention of " a kind of multi-functional intelligent data acquisition device " has disclosed a kind of intelligent data acquisition device, is for the merge cells of gathering voltage and current; But still fail to carry out merge cells and intelligent terminal integrated.
Summary of the invention
For overcoming above-mentioned defective, the invention provides a kind of intelligent substation process layer interface equipment, the function of the existing merge cells of intelligent substation or intelligent end device can be integrated with integrated, form the more intelligentized interface equipment of a cover, realize that the unified of transformer station's process layer equipment inserts.
For achieving the above object, the invention provides a kind of intelligent substation process layer interface equipment, comprise: LED panel, high-speed bus backboard and power panel, its improvements are that described equipment comprises: data acquisition unit, common user communication interface and operation control unit; Describedly carry out data interaction by described high-speed bus backboard respectively according to data acquisition unit, common user communication interface unit, operation control unit, LED panel; Described data acquisition unit and described operation control unit carry out data interaction by described high-speed bus backboard.
In the optimal technical scheme provided by the invention, described data acquisition unit comprises: AC sampling plug-in unit, FT3 sampling plug-in and the data sampling CPU card of carrying out data interaction respectively with described high-speed bus backboard.
In second optimal technical scheme provided by the invention, described operation control unit comprises: operation control CPU card, protection operation plug-in unit, the direct current that carries out data interaction with described high-speed bus backboard gathered plug-in unit, left plug-in unit and open into plug-in unit respectively.
In the 3rd optimal technical scheme provided by the invention, described common user communication interface unit comprises: two types communication expansion plugin, be used for expanding a plurality of communication network interfaces, and realize that the common network oral instructions of SV, GOOSE network message are defeated; Described common user communication interface unit, adopt the IEEE1588 network to the time mode under, it is defeated to be used for SV, GOOSE and the oral instructions of IEEE1588 common network.
In the optimal technical scheme provided by the invention, two types communication expansion plugin, a kind of is 8 pairs of optical fiber communication mouths with transmission and receiving function; Another kind is to have 8 optical fiber to send network interface; This communication expansion plugin separate configurations of two types or configuration simultaneously.
In the 5th optimal technical scheme provided by the invention, described data acquisition unit and described operation control unit separate configurations or configuration simultaneously; The unusual normal operation that can not influence another unit of arbitrary unit when described data acquisition unit and described operation control unit dispose at the same time.
In the 6th optimal technical scheme provided by the invention; described operation control CPU card and described data sampling CPU card comprise respectively: the temperature sensing chip that is arranged side by side, humidity sensor chip are transferred to the protection measure and control device by the GOOSE message with the temperature and humidity information of device interior.
In the 7th optimal technical scheme provided by the invention, described operation control CPU card and described data sampling CPU card have the function that running status monitors mutually respectively, the function of fault CPU card can be changed over to another CPU and realize when described arbitrary CPU card fault; When two CPU normally moved, described operation control CPU card synergistic data sampling CPU card was finished message group package work.
In the 8th optimal technical scheme provided by the invention, described data sampling CPU card and described operation control CPU card are respectively arranged with ICD Command Line Parsing function; Described data sampling CPU card and described operation control CPU card are resolved the ICD configuration file, extract SV and GOOSE control module respectively and send corresponding SV message and GOOSE message.
In the 9th optimal technical scheme provided by the invention, described data sampling CPU card and described operation control CPU card all have IRIG-B sign indicating number optical fiber to the time and the IEEE1588 network to the time function.
In the tenth optimal technical scheme provided by the invention, described equipment adopts the 4U cabinet.
Compared with the prior art, a kind of intelligent substation process layer interface equipment provided by the invention, laminated and unit and intelligent end device carry out integratedly with the existing process of transformer station, are designed to unified process layer interface equipment, promote the intelligentized development of primary equipment; On the basis of realizing functions such as data acquisition, operation control, Stateful Inspection, realize the network transmission of the point-to-point transfer of data of relaying protection and measure and control device simultaneously; What is more important can effectively be simplified the design of full station, reduces number of devices, reduce floor space by the exploitation of this equipment, reduces construction cost, also can effectively satisfy the requirement of production run and maintenance simultaneously.
Description of drawings
Fig. 1 is process layer interface equipment structure chart.
Fig. 2 is process layer interface equipment FT3 sampling plug-in structural representation.
Fig. 3 is two kinds of structural representations of process layer interface device extension communication plug-in unit.
Fig. 4 is process layer interface equipment CPU card structural representation.
Fig. 5 uses schematic diagram for the process interface equipment line segregation.
Embodiment
As shown in Figure 1, intelligent substation process layer interface equipment comprises: LED panel, high-speed bus backboard, power panel, data acquisition unit, common user communication interface and operation control unit; Describedly carry out data interaction by described high-speed bus backboard respectively according to data acquisition unit, common user communication interface unit, operation control unit, LED panel; Described data acquisition unit and described operation control unit carry out data interaction by described high-speed bus backboard.
Described data acquisition unit comprises: AC sampling plug-in unit, FT3 sampling plug-in and the data sampling CPU card of carrying out data interaction respectively with described high-speed bus backboard.
Described operation control unit comprises: operation control CPU card, protection operation plug-in unit, the direct current that carries out data interaction with described high-speed bus backboard gathered plug-in unit, left plug-in unit and open into plug-in unit respectively.
Described common user communication interface unit comprises: two types communication expansion plugin, be used for expanding a plurality of communication network interfaces, and realize that the common network oral instructions of SV, GOOSE network message are defeated; Described common user communication interface unit, adopt the IEEE1588 network to the time mode under, it is defeated to be used for SV, GOOSE and the oral instructions of IEEE1588 common network.
Two types communication expansion plugin, a kind of is 8 pairs of optical fiber communication mouths with transmission and receiving function; Another kind is to have 8 optical fiber to send network interface; This communication expansion plugin of two types disposes respectively or configuration simultaneously.
Described data acquisition unit and described operation control unit separate configurations or configuration simultaneously; The unusual normal operation that can not influence another of arbitrary unit when described data acquisition unit and described operation control unit dispose at the same time.
Described operation control CPU card and described data sampling CPU card comprise respectively: the temperature sensing chip that is arranged side by side, humidity sensor chip are transferred to the protection measure and control device by the GOOSE message with the temperature and humidity information of device interior.
Described operation control CPU card and described data sampling CPU card have the function that running status monitors mutually respectively, the function of fault CPU card can be changed over to another CPU and realize when described arbitrary CPU card fault; When two CPU normally moved, described operation control CPU card synergistic data sampling CPU card was finished message group package work.
Described data sampling CPU card and described operation control CPU card are respectively arranged with the ICD configuration module; Described data sampling CPU card and described operation control CPU card basis Command Line Parsing ICD configuration module separately extract and send corresponding SV message and GOOSE message respectively.
Described data sampling CPU card and described operation control CPU card all have IRIG-B sign indicating number optical fiber to the time and the IEEE1588 network to the time function.
Described equipment adopts the 4U cabinet.
By following examples intelligent substation process layer interface equipment is done further explanation.
Transformer station's process layer interface equipment comprises following feature card:
AC sampling plug-in unit: insert the analogue data of traditional electromagnetic potential transformer summation current transformer, can insert 4 road voltages, 4 road protective currents and 3 drive test amount electric currents.
FT3 sampling plug-in: insert the data of electronic mutual inductor, can insert 4 road voltages and 4 road electric currents.
Open into plug-in unit: insert external switch location status and other state quantity signal.
Leave plug-in unit: realize operation and control to external equipment;
Protection operation plug-in unit: realize control, supervision and locking to protective relaying device tripping operation and closing circuit.
Direct current is gathered plug-in unit: the outside DC measurement amount that inserts 0-5V or 4-20mA.
The data sampling CPU card: realize that voltage, current data collection, interpolation calculation, SV sampling message are handled, transmission, synchronously to the time.
Operation control CPU card: collection, operation control logic analysis and processing, GOOSE message transmissions, the external sync that realizes outside beginning status data to the time.
Communication expansion plugin: expand a plurality of communication network interfaces, realize that the common oral instructions of data acquisition CPU and operation control CPU message are defeated;
High-speed bus backboard: realize the data interaction between the different plug-in units;
The POWER power panel: outside 220V power of alterating and direct current inserts, for each plug-in unit of equipment provides working power;
The LED panel: display device running status, the position of the switch and alarm signal show by LED light.Aforementioned transformer station process layer interface equipment,
1) this equipment has data sampling CPU and operation control CPU two cover independent CPUs plug-in units, realizes the operation control function of tradition or electronic mutual inductor data acquisition, circuit breaker and switch separately.
2) two CPU card all have 2 road optical fiber reception network interface, 1 road IRIG-B input port, 2 pairs of transmission light mouths and 1 100,000,000 debugging electricity mouth.
3) separate between two blocks of independent CPUs plug-in units, arbitrary CPU card fault does not influence another CPU operate as normal, and hot-pluggable is with changing the fault plate.
4) when the GOOSE network load is light, cooperation can walk abreast between two CPU card, sampling processing CPU finish synchronously to the time and data interpolating will follow-up message group package work transfer to operation control after calculating and handle CPU and finish the efficient utilization of realization device interior resource.
5) can be by two CPU card be carried out the configuration that running status monitors mutually, realize breaking down and fault plate when not changing as any CPU, the CPU that the function of fault CPU is transferred to normal operation handles, and realizes standby each other between couple CPU.
6) the temperature and humidity sensing chip is installed in the CPU board part, protective relaying device or the measure and control device that can give transformer station's wall by the GOOSE message transmissions with working temperature and the humidity of device interior.
7) operation VxWorks real time operating system in each CPU;
In the aforementioned transformer station process layer interface equipment,
1) the communication expansion plugin has two types.A kind of is 8 pairs of optical fiber communication mouths with transmission and receiving function, and another is the optical fiber communication mouth with 8 sending functions.This expansion plugin of two types can separate configurations also can dispose jointly.
2) the SV sampled data of the external transmission of equipment and GOOSE message information adopt the mode of common network mouth, namely use a network interface to send and receive SV and GOOSE message simultaneously.Adopting the IEEE1588 network to constantly, same network interface sends and receives SV, GOOSE and IEEE1588 message simultaneously.
3) externally the SV message of transmission is supported FT3 form, FT3 extended format and IEC61850-9-2 form; Externally the GOOSE message of transmission is followed the IEC61850-8-1 standard.
4) when SV message and GOOSE message needed to handle simultaneously, the equipment priority treatment also sent the SV message, with real-time and the stability of effective assurance SV sampling message transmissions.
5) all Optical Fiber Transmission network interfaces all adopt 100,000,000 ST interfaces, insert multimode fiber, and wavelength is 1310nm.
Aforementioned transformer station process layer interface equipment is characterized in that: it is characterized in that:
1) configuration file of device interior adopts XML to be described, and all models are followed IEC61850-7-2 and IEC61850-7-3 standard fully.
2) whole device adopts an ICD configuration file, is stated from two different CPU board respectively down, and each CPU board basis is Command Line Parsing ICD file separately, and extracts SV message control module and GOOSE message control module respectively and send corresponding message.
Aforementioned transformer station process layer interface equipment, has the external data cascade function, can receive the sampling message that miscellaneous equipment adopts FT3 form, FT3 extended format or the transmission of IEC61850-9-2 form, calculate and compensate by the time-delay that the outside is inserted data, realize with in the equipment self image data synchronously.
In the aforementioned transformer station process layer interface equipment:
1) entire equipment can support simultaneously the IRIG-B sign indicating number to the time and the IEEE1588 network to the time.
2) data sampling CPU board and operation control CPU board all have the IRIG-B sign indicating number to the time, when adopt the IRIG-B sign indicating number to the time insert any CPU board and get final product; If both insert IRIG-B signal when simultaneously, receive earlier to the time signal be main to the time plate, device to the time signal based on mainboard, when main to the time plate to the time occur being as the criterion with another CPU board again when unusual.
Aforementioned transformer station process layer interface equipment is supported the requirement of protective relaying device point-to-point transmission, and the communication expansion plugin can effectively satisfy the demand that multichannel inserts; Also support the requirement of SV and GOOSE networking transmission simultaneously, can continue to use the common network transmission mode behind SV and the GOOSE common network mouth, also can dispose by network interface, with SV and GOOSE networking respectively.Device can support the GMRP agreement to realize the dynamic division of VLAN when adopting the network transmission.
Aforementioned transformer station process layer interface equipment by protection operation plug-in unit, can realize three-phase tripping operation and the closing operation of killer switch, but also phase-splitting is realized the breaker tripping and closing operation.
In the aforementioned transformer station process layer interface equipment, AC sampling plug-in unit and FT3 sampling plug-in get final product separate configurations, also can dispose simultaneously.The sampling sequence number of entire equipment is as the criterion with the AC sampling plug-in unit when two blocks of plug-in units dispose simultaneously.
Aforementioned transformer station process layer interface equipment adopts the 4U cabinet, is installed on the spot near the transforming plant primary equipment, debugs remotely modifying and the configuration of the existing parameter of electric cause for gossip by 100,000,000 networks.
Aforementioned transformer station process layer interface equipment, the current and voltage data that can gather according to self, the outside on off state positional information of striding the interval measurement data and self gathering that receives realize busbar voltage side by side or handoff functionality.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection range of the present invention.Those skilled in the art can do various modifications, be equal to and replace or improve inspired by the spirit and principles of the present invention.But these changes or modification are all in the protection range that application is awaited the reply.
Claims (11)
1. intelligent substation process layer interface equipment, comprising: LED panel, high-speed bus backboard and power panel is characterized in that described equipment comprises: data acquisition unit, common user communication interface and operation control unit; Describedly carry out data interaction by described high-speed bus backboard respectively according to data acquisition unit, common user communication interface unit, operation control unit, LED panel; Described data acquisition unit and described operation control unit carry out data interaction by described high-speed bus backboard.
2. equipment according to claim 1 is characterized in that, described data acquisition unit comprises: AC sampling plug-in unit, FT3 sampling plug-in and the data sampling CPU card of carrying out data interaction respectively with described high-speed bus backboard.
3. equipment according to claim 1; it is characterized in that; described operation control unit comprises: operation control CPU card, protection operation plug-in unit, the direct current that carries out data interaction with described high-speed bus backboard gathered plug-in unit, left plug-in unit and open into plug-in unit respectively.
4. equipment according to claim 1 is characterized in that, described common user communication interface unit comprises: two types communication expansion plugin, be used for expanding a plurality of communication network interfaces, and realize that the common network oral instructions of SV, GOOSE network message are defeated; Described common user communication interface unit, adopt the IEEE1588 network to the time mode under, it is defeated to be used for SV, GOOSE and the oral instructions of IEEE1588 common network.
5. equipment according to claim 4 is characterized in that: two types communication expansion plugin, and a kind of is to have to send and 8 pairs of optical fiber communication mouths of receiving function; Another kind is to have 8 optical fiber to send network interface; This communication expansion plugin separate configurations of two types or configuration simultaneously.
6. equipment according to claim 1 is characterized in that, described data acquisition unit and described operation control unit separate configurations or configuration simultaneously; The unusual normal operation that can not influence another unit of arbitrary unit when described data acquisition unit and described operation control unit dispose at the same time.
7. according to claim 2 or 3 described equipment; it is characterized in that; described operation control CPU card and described data sampling CPU card comprise respectively: the temperature sensing chip that is arranged side by side, humidity sensor chip are transferred to the protection measure and control device by the GOOSE message with the temperature and humidity information of device interior.
8. according to claim 2 or 3 described equipment, it is characterized in that, described operation control CPU card and described data sampling CPU card have the function that running status monitors mutually respectively, the function of fault CPU card can be changed over to another CPU and realize when described arbitrary CPU card fault; When two CPU normally moved, described operation control CPU card synergistic data sampling CPU card was finished message group package work.
9. according to claim 2 or 3 described equipment, it is characterized in that described data sampling CPU card and described operation control CPU card are respectively arranged with ICD Command Line Parsing function; Described data sampling CPU card and described operation control CPU card are resolved the ICD configuration file, extract SV and GOOSE control module respectively and send corresponding SV message and GOOSE message.
10. according to claim 2 or 3 described equipment, it is characterized in that, described data sampling CPU card and described operation control CPU card all have IRIG-B sign indicating number optical fiber to the time and the IEEE1588 network to the time function.
11. equipment according to claim 1 is characterized in that, described equipment adopts the 4U cabinet.
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| CN103580282A (en) * | 2013-10-24 | 2014-02-12 | 深圳供电局有限公司 | Primary equipment intelligent interface device in substation |
| CN103647262A (en) * | 2013-10-25 | 2014-03-19 | 北京四方继保自动化股份有限公司 | In-situ placement type miniature intelligent relay protection device |
| CN104600848A (en) * | 2015-02-15 | 2015-05-06 | 国家电网公司 | Smart substation process layer virtual secondary equipment and implementation method thereof |
| CN106249660A (en) * | 2016-08-30 | 2016-12-21 | 南京国电南自电网自动化有限公司 | The conflation unit of compatible to IEC 61,850 92 and IEC60044 8 stipulations and method |
| CN109193435A (en) * | 2018-08-28 | 2019-01-11 | 中国电建集团河北省电力勘测设计研究院有限公司 | A kind of electrification secondary device |
| CN109245301A (en) * | 2018-09-30 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of digital collecting Chinese style measure and control device and stand-by heat switching method |
| CN111045365A (en) * | 2019-12-19 | 2020-04-21 | 深圳供电局有限公司 | Modular secondary interface device in transformer substation |
| CN111641260A (en) * | 2020-04-17 | 2020-09-08 | 许继集团有限公司 | Transformer substation process layer on-site module device and control method thereof |
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| CN103580282A (en) * | 2013-10-24 | 2014-02-12 | 深圳供电局有限公司 | Primary equipment intelligent interface device in substation |
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| CN109245301A (en) * | 2018-09-30 | 2019-01-18 | 南京南瑞继保电气有限公司 | A kind of digital collecting Chinese style measure and control device and stand-by heat switching method |
| CN111045365A (en) * | 2019-12-19 | 2020-04-21 | 深圳供电局有限公司 | Modular secondary interface device in transformer substation |
| CN111641260A (en) * | 2020-04-17 | 2020-09-08 | 许继集团有限公司 | Transformer substation process layer on-site module device and control method thereof |
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