CN202034825U - Intelligent comprehensive device of medium-voltage switch - Google Patents

Intelligent comprehensive device of medium-voltage switch Download PDF

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Publication number
CN202034825U
CN202034825U CN2011200692150U CN201120069215U CN202034825U CN 202034825 U CN202034825 U CN 202034825U CN 2011200692150 U CN2011200692150 U CN 2011200692150U CN 201120069215 U CN201120069215 U CN 201120069215U CN 202034825 U CN202034825 U CN 202034825U
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China
Prior art keywords
data
processing unit
data processing
unit
medium voltage
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Expired - Lifetime
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CN2011200692150U
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Inventor
苏洪波
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HUNAN YINGKE ELECTRIC POWER TECHNOLOGY Co Ltd
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HUNAN YINGKE ELECTRIC POWER TECHNOLOGY Co Ltd
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Abstract

The utility model discloses an intelligent comprehensive device of a medium-voltage switch, which is characterized by comprising a data acquisition unit, an analysis control unit and a data processing unit. The data acquisition unit is connected with a primary device of a medium-voltage power grid and acquires data of the primary device, after analyzing and processing the acquired data, the analysis control unit controls operation of the primary device according to processing results and preset conditions and transmits the acquired data and related information of analyzing, processing and controlling to the data processing unit, and the data processing unit processes, stores and transmits the acquired data and the related information. The intelligent comprehensive device of the medium-voltage switch has the advantages of intelligence, instantaneity, fine compatibility and the like.

Description

Medium voltage switch or circuit breaker intelligent comprehensive device
Technical field
The utility model relates to medium voltage network switchgear field, relates in particular to a kind of Medium voltage switch or circuit breaker intelligent comprehensive device.
Background technology
In traditional electric relay protection, primary equipment comprises: circuit breaker, switch, ECVT etc., and protective device belongs to secondary device.Primary equipment and secondary device adopt cable to carry out transfer of data, secondary device need be installed the position concentratedly in control cubicle or disperse to be installed on the switch cubicle in mesohigh control room, adopts communication mode such as RS485, RS232, Ethernet and electric power background monitoring system to carry out exchanges data.The device data communication protocol disunity of different manufacturers, therefore in the arrival of digital times, electric power system adopts and builds the electric power platform with a world, a kind of standard, a kind of technology.
The digital transformer substation technology is the once change that has milestone significance in the automation of transformation substations technical development, will produce far-reaching influence to the each side of electric substation automation system.Three main features of digital transformer substation are exactly " primary equipment intellectuality; secondary device networking; meet " IEC61850 standard "; be that the interior information of digital transformer substation is all accomplished digitlization; the information transmission realizes networking; traffic model reaches standardization, makes the unified information platform of various device and function sharing.This makes digital transformer substation all than conventional substation lifting significantly arranged aspect system reliability, economy, the easy maintenance.And the appearance of electromechanical integration equipments such as intelligent switch, photoelectric type instrument transformer makes the digital transformer substation technology come true from theory.
At present, existing Medium voltage switch or circuit breaker control device, the data of its primary equipment need be carried out analog-to-digital conversion to control device, and this device and primary equipment want independent design, installation (to replenish the existing integrated Medium voltage switch or circuit breaker control device of already present intelligence herein, briefly describe its structure.) there are following defective in these Medium voltage switch or circuit breaker control device:
1) device and subsystem can not be realized " plug and play ", must be pre-configured before communication is set up; And can not add interim connection, network topology is completely fixed;
2) be difficult to realize the direct visit of substation equipment level, thereby be difficult to realize the self-coordinating problem between the power equipment (as protection equipment and control appliance);
3) break down need safeguard the time at equipment, module or parts can not be with the replacements of other producer;
4) the devices communicating agreement of different manufacturers can not be unified;
5) each producer adopts RS485/RS232, Ethernet transmission data substantially at present, and when transmit port was unusual, data can't be transferred to system;
6) to the collection of the electric power primary equipment that disperses mainly by adopting manual inspection, real-time is poor.
The utility model content
Technical problem to be solved in the utility model is: at the technical problem of prior art existence; functions such as the utility model provides a kind of integrated medium voltage network data sampling to analyze, electric power protection is controlled, the state-detection of switch, power quality analyzer, harmonic wave monitoring; and can realize data storage function and data portable, integrated level height, real-time and compatible good Medium voltage switch or circuit breaker intelligent comprehensive device.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of Medium voltage switch or circuit breaker intelligent comprehensive device, it is characterized in that, comprise data acquisition unit, analysis controlling unit and data processing unit, described data acquisition unit links to each other with the primary equipment of medium voltage network and image data, after described analysis controlling unit is analyzed the data of gathering and handle, control the work of described primary equipment according to result and predetermined conditions, and with the data and the described analysis of gathering, the related information transmission of handling and controlling is given data processing unit, and described data processing unit is handled the data and the described relevant information of described collection, storage and transmission.
As further improvement of the utility model:
Described data processing unit is connected the line data transmission of going forward side by side with described analysis controlling unit by the high speed serial port module.
Described data processing unit and one is used for user's operation and links to each other with the human and machine interface unit of monitoring described intelligent comprehensive device, described data processing unit is provided with a real-time data base middleware, and described data processing unit carries out the real time data exchange by described real-time data base middleware and described human and machine interface unit.
Described data processing unit and one is used for linking to each other with the communication unit of power center service platform transmission data, and described communication unit is RS485/232 communication module, ethernet communication module, Optical Fiber Transmission module, GPRS/3G communication module or RFID communication module or aforementioned five a combination in any.
Described data processing unit is provided with usb interface module and SD card interface module.
The power quality analysis unit that described data processing unit and is used for medium voltage network is carried out electric energy quality monitoring links to each other.
Described data processing unit links to each other with an IEC61850 standard module and carries out the conversion and the processing of MMS data, GOOSE (Generic Object Oriented Substation Event is towards the general object of transformer substation case) and SMV message by described IEC61850 standard module.
Compared with prior art, advantage of the present utility model is:
1, Medium voltage switch or circuit breaker intelligent comprehensive device of the present utility model can concentrate on the hardware platform integrated level height with functions such as control, protection, measurement, metering, on-line condition monitoring and the diagnosis of present switch, communications; The modular composition mode of hardware using, and adopt the plug-in unit mode to assemble, be convenient to assembling and maintenance.
2, Medium voltage switch or circuit breaker intelligent comprehensive device of the present utility model, in the running of device, all normal or abnormal operations are all recorded faithfully, and the data of each operation note all will compare with dispatch from the factory record and historical record, in time diagnose with relative variation according to absolute; The data of these records can be stored in the SD storage card by data processing unit and SD card interface module, and this SD storage card can conveniently be transplanted to and continue in the new intelligent comprehensive device to use, and can improve maintenance efficiency, reduces the idle time that causes because of maintenance of equipment.
3, Medium voltage switch or circuit breaker intelligent comprehensive device of the present utility model, data can adopt multiple transmission means: USB, RS485/232 or wire transmission modes such as Ethernet or optical fiber, perhaps wireless network communication technique such as GPRS, RFID, 3G guarantee that all the time data can normally be transferred to the power center control system.
4, Medium voltage switch or circuit breaker intelligent comprehensive device of the present utility model meets " IEC61850 standard ", and is good with existing medium voltage network switchgear compatibility.
Description of drawings
Fig. 1 is the composition structural representation of the utility model specific embodiment 1.
Embodiment
Below with reference to Figure of description and specific embodiment the utility model is described in further detail.
As shown in Figure 1, a kind of Medium voltage switch or circuit breaker intelligent comprehensive device, it is characterized in that, comprise data acquisition unit, analysis controlling unit and data processing unit, data acquisition unit links to each other with the primary equipment of medium voltage network and image data, after analysis controlling unit is analyzed the data of gathering and handle, control the work of described primary equipment according to result and predetermined conditions, and with the data and the analysis of gathering, the related information transmission of handling and controlling is given data processing unit, and data processing unit is handled the data and the relevant information of gathering, storage and transmission.
Adopt said structure, analysis controlling unit is arranged at the wall of IEC61850 standard, and data processing unit is arranged at the process layer of IEC61850 standard.Realize at mechanical floor at functions such as the function of a certain specific interval such as protection, metering, status monitorings, need work such as the function of comprehensive a plurality of interval information such as failure wave-recording, bus differential protection, prepared auto restart to concentrate in the system layer and realize.The fault diagnosis functions of switchgear are also finished at wall, and only with the data upload of diagnostic result and most critical, equipment life management and prediction are then finished at the process layer.The advantage that has embodied each layer data parallel processing of function is set like this.
In the present embodiment, data processing unit adopts ARM AT91RM9200 (linux system) chip, data acquisition unit and analysis controlling unit adopt DSP TMS320F28335, from the AC sampling value of primary equipment and the data such as state-detection sampled value of primary equipment, these data are given to that analysis controlling unit is intact to be handled after as calculated to data acquisition unit by the dsp chip collection.Connect the line data transmission of going forward side by side by the high speed serial port module between data processing unit and the analysis controlling unit.Medium voltage switch or circuit breaker intelligent comprehensive device also is provided with independently power module, respectively with data processing unit and analysis controlling unit power supply.
In the present embodiment, data processing unit and one is used for user's operation and links to each other with the human and machine interface unit of monitoring intelligent integration unit, data processing unit is provided with a real-time data base middleware, and data processing unit carries out the real time data exchange by real-time data base middleware and human and machine interface unit.In the present embodiment, human and machine interface unit adopts 7 cun touch-screens, simple to operate, friendly interface.
In the present embodiment, data processing unit and one is used for linking to each other with the communication unit of power center service platform transmission data, and communication unit is RS485/232 communication module, ethernet communication module, Optical Fiber Transmission module, GPRS/3G communication module or RFID communication module or aforementioned five a combination in any.
In the present embodiment, data processing unit is provided with usb interface module and SD card interface module, convenient storage data;
In the present embodiment, the power quality analysis unit that data processing unit and is used for medium voltage network is carried out electric energy quality monitoring links to each other, make the intelligent comprehensive device have the function of power quality analyzer and harmonic wave monitoring, can provide correct electricity consumption guidance and the suggestion that rationalizes for the distribution energy management system.
In the present embodiment, data processing unit links to each other with an IEC61850 standard module and carries out the conversion and the processing of MMS data, GOOSE and SMV message by the IEC61850 standard module.Expansion Modbus communication protocol carries out transfer of data for the third party system.
Adopt said structure, can make the intelligent comprehensive device can merge the kinds of protect functional module, can be configured to be suitable for the demand of protection functional module according to the character of object of protection by the user.And more professional user also can carry out function increase and decrease and logic Modification to the protection that configures, during actual the use, these configurations and be modified in touch-screen or the field adjustable portable computer in get final product.
During actual the use, the intelligent comprehensive device can design A, B, three Ethernet interfaces of C.Wherein communicating by letter of A, the conduct of B net and system layer, stand-by heat each other.The C net adopts the GOOSE communication mode; accept other digital instantaneous sampling data of equipment (the circuit offside current sampling data that protection needs as the equation of light) at interval; send this interval analog quantity sampled value to other equipment at interval with digital form simultaneously, realize the function of this interval class like merge cells.Simultaneously wall and process layer support IRIG-B or IEC61588 network to the time, guarantee the accurate real-time of data acquisition.
Intelligent comprehensive apparatus platform function can adopt configuration technology, can be by user's request flexible configuration control logic and monitoring parameter, and applied widely, compatibility is good.The hardware using modular construction of Medium voltage switch or circuit breaker intelligent comprehensive device adopts the plug-in unit mode to assemble, and is convenient to installation, maintenance and replacing.
The intelligent comprehensive device is supported the two net functions of two-shipper, promptly two network using the master-slave redundancy technology,, make device can realize the automatic switchover of dual network service, and can support the kilomega optic fiber transmission.
The above only is a preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the utility model principle prerequisite should be considered as protection range of the present utility model.

Claims (7)

1. Medium voltage switch or circuit breaker intelligent comprehensive device, it is characterized in that, comprise data acquisition unit, analysis controlling unit and data processing unit, described data acquisition unit links to each other with the primary equipment of medium voltage network and image data, after described analysis controlling unit is analyzed the data of gathering and handle, control the work of described primary equipment according to result and predetermined conditions, and with the data and the described analysis of gathering, the related information transmission of handling and controlling is given data processing unit, and described data processing unit is handled the data and the described relevant information of described collection, storage and transmission.
2. Medium voltage switch or circuit breaker intelligent comprehensive device according to claim 1 is characterized in that, described data processing unit is connected the line data transmission of going forward side by side with described analysis controlling unit by the high speed serial port module.
3. Medium voltage switch or circuit breaker intelligent comprehensive device according to claim 1, it is characterized in that, described data processing unit and one is used for user's operation and links to each other with the human and machine interface unit of monitoring described intelligent comprehensive device, described data processing unit is provided with a real-time data base middleware, and described data processing unit carries out the real time data exchange by described real-time data base middleware and described human and machine interface unit.
4. according to claim 1 or 2 or 3 described Medium voltage switch or circuit breaker intelligent comprehensive devices, it is characterized in that, described data processing unit and one is used for linking to each other with the communication unit of power center service platform transmission data, and described communication unit is RS485/232 communication module, ethernet communication module, Optical Fiber Transmission module, GPRS/3G communication module or RFID communication module or aforementioned five a combination in any.
5. according to claim 1 or 2 or 3 described Medium voltage switch or circuit breaker intelligent comprehensive devices, it is characterized in that described data processing unit is provided with usb interface module and SD card interface module.
6. according to claim 1 or 2 or 3 described Medium voltage switch or circuit breaker intelligent comprehensive devices, it is characterized in that the power quality analysis unit that described data processing unit and is used for medium voltage network is carried out electric energy quality monitoring links to each other.
7. according to claim 1 or 2 or 3 described Medium voltage switch or circuit breaker intelligent comprehensive devices, it is characterized in that described data processing unit links to each other with an IEC61850 standard module and carries out the conversion and the processing of MMS data, GOOSE and SMV message by described IEC61850 standard module.
CN2011200692150U 2011-03-16 2011-03-16 Intelligent comprehensive device of medium-voltage switch Expired - Lifetime CN202034825U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102412626A (en) * 2011-11-24 2012-04-11 纪元电气集团有限公司 Internet of things-based intelligent high-voltage switch cabinet
CN103364657A (en) * 2013-06-20 2013-10-23 广东电网公司东莞供电局 Unfastening-free current loop bus bar differential protection test device in use for power system bus bar
CN105207361A (en) * 2015-09-23 2015-12-30 中山市明阳电器有限公司 Intelligent medium-voltage switch equipment
CN105281302A (en) * 2014-06-12 2016-01-27 国网山西省电力公司电力科学研究院 Intelligent station transmission line pilot protection exchange device and using method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102412626A (en) * 2011-11-24 2012-04-11 纪元电气集团有限公司 Internet of things-based intelligent high-voltage switch cabinet
CN102412626B (en) * 2011-11-24 2014-11-05 纪元电气集团有限公司 Internet of things-based intelligent high-voltage switch cabinet
CN103364657A (en) * 2013-06-20 2013-10-23 广东电网公司东莞供电局 Unfastening-free current loop bus bar differential protection test device in use for power system bus bar
CN103364657B (en) * 2013-06-20 2016-03-02 广东电网公司东莞供电局 Exempting from electrical system bus separates current return bus differential protection test unit
CN105281302A (en) * 2014-06-12 2016-01-27 国网山西省电力公司电力科学研究院 Intelligent station transmission line pilot protection exchange device and using method thereof
CN105281302B (en) * 2014-06-12 2018-05-25 国网山西省电力公司电力科学研究院 A kind of intelligent station electric power line longitudinal coupling protection exchanges device and its application method
CN105207361A (en) * 2015-09-23 2015-12-30 中山市明阳电器有限公司 Intelligent medium-voltage switch equipment

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Granted publication date: 20111109

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