CN203405523U - Novel intelligent transformer station hand-held digital tester - Google Patents
Novel intelligent transformer station hand-held digital tester Download PDFInfo
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- CN203405523U CN203405523U CN201320560832.XU CN201320560832U CN203405523U CN 203405523 U CN203405523 U CN 203405523U CN 201320560832 U CN201320560832 U CN 201320560832U CN 203405523 U CN203405523 U CN 203405523U
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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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Abstract
The utility model discloses a novel intelligent transformer station hand-held digital tester. The novel intelligent transformer station hand-held digital tester comprises module loops such as a main controller module, a station control layer and Ethernet communication loop, an IEC60044-8 transceiving light port, a GOOSE (a transformer station event facing general objects)/SV (sampling value) transceiving light port 1 and a GOOSE/SV transceiving light port 2, wherein the main controller module employs a dual-core processor, an Ethernet PHY chip is connected with an ARM processor through an MII (medium independent interface), and functions of an IEC61850 server and a client end can be simultaneously realized. Light serial port reception reuse technology is employed, a light serial port can not only receive IEC60044-7/8 digital report, but also can receive IRIG-B code timing signals. The hand-held digital tester can automatically introduce full-station SCD files, further has an MMS network server, a client end, GOOSE/SV output and input and IRIG-B code timing, has properties of simple operation and reliable measurement, is flexible and convenient and meets requirements of a user for detection and operation on the intelligent transformer station.
Description
Technical field
The utility model relates to intelligent substation technical field of measurement and test, in particular, relates to a kind of novel intelligent transformer station handheld digital tester.
Background technology
At present, the technology of domestic Intelligent transformer station, international standard, electric power enterprise standard and power industry standard, all in development in an all-round way.For example: in the design phase, adopt static multicast and the dynamic multicast of empty terminal, switch and IED, the GOOSE of communication and SV technology between IED, the intelligentized intelligent terminal of process layer and merge cells, the two network technologies of redundancy of station level and process layer etc.These new technologies are huge challenges to the user's of Utilities Electric Co. operation, maintenance and detection, and intelligent substation becomes " black box " of sealing to power consumer.
Open test, monitoring, the visual operation maintenance technology and equipment of intelligent substation " black box "; new and important developing direction; traditional intelligent substation protective device tester, because volume is large and debugging is complicated, cannot meet the detection demand of extensive intelligent substation.Therefore, the utility model provides a kind of can import full station SCD file automatically, have concurrently simultaneously MMS network server and client, GOOSE/SV output and input, band B code to time, and have simple to operate, the novel intelligent transformer station handheld digital tester of measuring the feature such as reliable is those skilled in the art's problem demanding prompt solutions.
Utility model content
In view of this, the utility model provides a kind of Novel transformer substation handheld digital tester, can automatically import full station SCD file, have concurrently simultaneously MMS network server and client, GOOSE/SV output and input, band B code to time, and have simple to operately, measure the features such as reliable.
For achieving the above object, the utility model provides following technical scheme:
A handheld digital tester, comprising:
Main controller module, be responsible for internal data interaction platform, intelligent electronic device test logic, physics return graphical displaying and detection, logical circuit graphically shows and detection, SCD document analysis, manufacture messaging system packet sending and receiving, GOOSE and SV packet sending and receiving, IEC60044-8 packet sending and receiving and the mutual control to man-machine MMI interface module;
Station level ethernet communication module, ethernet PHY chip is connected on the arm processor of described main controller module by MII interface, realizes IEC61850 server and client side's function, and cohesive process layer GOOSE and SV can form empty terminal closed loop and detect;
Safety digital storage card module, CONFIG.SYS imports and the device instance configuration information of extraction needs to support entirely to stand transformer station, completes test configurations;
GOOSE and SV module, simulation merge cells output IEC61850-9-1/2, IEC60044-7/8 light numeral message, test light Digital Relay Protection Appliance;
Physics loop detection module, is served or is read model numerical value and serve by IEC 61850 reports, the light intensity data of each light mouth of acquisition process layer, the physical connection state of detection IED;
Empty loop detection module, GOOSE sends empty terminal test and adds SV and GOOSE, the GOOSE of the detected intelligent electronic device of scanning sends described in empty terminal data and corresponding station level and manufactures messaging system signal, or directly use handheld instrument to receive GOOSE transmitted signal to be detected, provide testing result.
Preferably, described Ethernet interface is the Ethernet interface of 10M/100M adaptivity.
Preferably, described physics loop detection module is by the physics loop testing result of station level and process layer, with dynamically demonstration directly perceived of patterned way.
Preferably, GOOSE receives empty terminal test mainly by adding GOOSE, and detected station level MMS signal corresponding to IED of scanning, provides testing result;
The detection that SV sends empty terminal mainly sends information by receiving SV to be detected, provides the numerical value such as SV discrete type, effective value;
SV receives the detection of empty terminal mainly by adding SV, and detected station level MMS signal corresponding to IED of scanning, provides testing result.
Wherein, described master controller is dual core processor, by MII mouth expansion station level, communicates by letter, and connects FPGA expansion process layer communicate by letter by uPP interface.
Wherein, described station level ethernet communication module coordinates with GOOSE/SV module, can closed loop detects the correctness in He Xu loop, physics loop.
Wherein, described physics loop detection module comprises: real-time timepiece chip, random access memory, memory modules, 24 key boards and liquid crystal display loop.
Wherein, described empty loop detection module comprises: debug serial port module and the programmed logical module being connected with described main controller module.
Known via above-mentioned technical scheme, compared with prior art, the utility model openly provides a kind of Novel transformer substation handheld digital tester, comprises with lower module loop: main controller module, station level ethernet communication loop, IEC60044-8 are received light outlets, GOOSE(towards the transformer substation case of general object)/SV(sampled value) receive light outlets 1, GOOSE/SV receives light outlets 2.Main controller module adopts dual core processor.Ethernet PHY chip is by MII(medium independent interface) interface is connected on arm processor, can realize IEC61850 server and client side's function simultaneously.The DSP core of OMAP-L138 and FPGA interface are EMIF(external memory interface) and the general parallel port of uPP(), realize two GOOSE and SV transmitting-receiving optical fiber interface, an IEC60044-7/8 transmitting-receiving interface, IRIG-B to time interface; Adopt light serial ports to receive multiplex technique, light serial ports both can receive IEC60044-7/8 light numeral message, can receive again IRIG-B code to time signal.This handheld digital tester, can import full station SCD file automatically, has MMS network server and client concurrently simultaneously, GOOSE/SV output and input, band IRIG-B code to time, have simple to operate, measure the features such as reliable, the convenient intelligent substation that meets user detects and O&M demand flexibly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of the disclosed a kind of Novel transformer substation handheld digital tester of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model openly provides a kind of Novel transformer substation handheld digital tester, comprises with lower module loop: main controller module, station level ethernet communication loop, IEC60044-8 are received light outlets, GOOSE(towards the transformer substation case of general object)/SV(sampled value) receive light outlets 1, GOOSE/SV receives light outlets 2.Main controller module adopts dual core processor.Ethernet PHY chip is by MII(medium independent interface) interface is connected on arm processor, can realize IEC61850 server and client side's function simultaneously.The DSP core of OMAP-L138 and FPGA interface are EMIF(external memory interface) and the general parallel port of uPP(), realize two GOOSE and SV transmitting-receiving optical fiber interface, an IEC60044-7/8 transmitting-receiving interface, IRIG-B to time interface; Adopt light serial ports to receive multiplex technique, light serial ports both can receive IEC60044-7/8 light numeral message, can receive again IRIG-B code to time signal.This handheld digital tester, can import full station SCD file automatically, has MMS network server and client concurrently simultaneously, GOOSE/SV output and input, band IRIG-B code to time, have simple to operate, measure the features such as reliable, the convenient intelligent substation that meets user detects and O&M demand flexibly.
Referring to accompanying drawing 1, is the structural representation of the disclosed a kind of Novel transformer substation handheld digital tester of the utility model embodiment.The utility model embodiment discloses a kind of Novel transformer substation handheld digital tester, comprising:
Main controller module, be responsible for internal data interaction platform, intelligent electronic device test logic, physics return graphical displaying and detection, logical circuit graphically shows and detection, SCD document analysis, manufacture messaging system packet sending and receiving, GOOSE and SV packet sending and receiving, IEC60044-8 packet sending and receiving and the mutual control to man-machine MMI interface module; Station level ethernet communication module, ethernet PHY chip is connected on the arm processor of described main controller module by MII interface, realizes IEC61850 server and client side's function, and cohesive process layer GOOSE and SV can form empty terminal closed loop and detect; Safety digital storage card module, CONFIG.SYS imports and the device instance configuration information of extraction needs to support entirely to stand transformer station, completes test configurations; GOOSE and SV module, simulation merge cells output IEC61850-9-1/2, IEC60044-7/8 light numeral message, test light Digital Relay Protection Appliance; Physics loop detection module, is served or is read model numerical value and serve by IEC 61850 reports, the light intensity data of each light mouth of acquisition process layer, the physical connection state of detection IED; Empty loop detection module, GOOSE sends empty terminal test and adds SV and GOOSE, the GOOSE of the detected intelligent electronic device of scanning sends described in empty terminal data and corresponding station level and manufactures messaging system signal, or directly use handheld instrument to receive GOOSE transmitted signal to be detected, provide testing result.
Wherein, described Ethernet interface is the Ethernet interface of 10M/100M adaptivity.
Preferably, described physics loop detection module is by the physics loop testing result of station level and process layer, with dynamically demonstration directly perceived of patterned way.
Preferably, GOOSE receives empty terminal test mainly by adding GOOSE, and detected station level MMS signal corresponding to IED of scanning, provides testing result.The detection that SV sends empty terminal mainly sends information by receiving SV to be detected, provides the numerical value such as SV discrete type, effective value.SV receives the detection of empty terminal mainly by adding SV, and detected station level MMS signal corresponding to IED of scanning, provides testing result.
Wherein, described master controller is dual core processor, by MII mouth expansion station level, communicates by letter, and connects FPGA expansion process layer communicate by letter by uPP interface.
Wherein, described station level ethernet communication module coordinates with GOOSE/SV module, can closed loop detects the correctness in He Xu loop, physics loop.
Wherein, described physics loop detection module comprises: real-time timepiece chip, random access memory, memory modules, 24 key boards and liquid crystal display loop.
Wherein, described empty loop detection module comprises: debug serial port module and the programmed logical module being connected with described main controller module.
Concrete, the utility model comprises with lower module loop: real-time timepiece chip RTC, DDRII memory modules, NAND FLASH memory modules, SD card, host CPU module, 24 key boards, debug serial port module, liquid crystal display loop, station level ethernet communication loop, programmed logical module, IEC60044-8 receipts light outlets, GOOSE/SV receive light outlets 1, GOOSE/SV receives light outlets.The ARM nuclear phase of real-time timepiece chip, SD card and debug serial port and OMAP-L138 connects; DDRII internal memory is connected to the ARM core of OMAP-L138 by DDR2 bus; NAND FLASH internal memory is connected to the ARM core of OMAP-L138 by EMIFA bus.LCD module is connected on the arm processor of OMAP-L138 by MCBSP/MCASP interface.The DSP core of OMAP-L138 and FPGA interface are EMIF and uPP, FPGA (Field Programmable Gate Array) implementation procedure layer light mouth demand.
Start-up mode: SPI FLASH starts with NOR FLASH and starts the start-up mode combining.
The plug-in unit of new production powers on for the first time, by SPI FLASH, starts, and has saved expensive JTAG instrument, the convenient on-the-spot BOOT program of upgrading.After CPU starts, by the BOOT(Kernel that really need to move, APP etc.) program downloads in NOR FLASH automatically by Ethernet interface, and whole process is without any hot line job, and can realize the automatic detection of this board and the function of test by software kit.Whole process only need to be plugged SPI FLASH and necessary JP wire jumper before powering on, and closed electricity and pulled up SPI FLASH and JP wire jumper afterwards.OMAP CPU uses RTC_1.2V, CoreRam_1.2V, and IO_1.8V, IO_3.3V is totally four groups of power supplys.Power down does not sequentially have special requirement, but should be noted that LVCOMS3.3V power supply can not surpass 2V than 1.8V power supply.
Adopt MAX6355 as reset chip, MAX6355 monitors 1.2V simultaneously, 1.8V, and 3.3V and 5V power supply, realize electrification reset by resistance-capacitance network.Real-time clock adopts NVSRAM(Nonvolatile sram) internal clocking, outside provides 32.768KHz crystal.
Use wide region, 2 tunnel outputs, the switching power source chip LTC3736EUF-2 of following feature can be set, output is respectively 3.3V and 1.8V, and 3.3V is set and follows 1.8V, the another kind of design proposal of 1.8V power supply is to use LDO to change from 3.3V, mainly for CPU and DDR2ram, more than this two-way output current 1A.Use wide region, the switching power source chip LTC3412AEFE of single channel output, is output as 1.2V power supply.
By asynchronous parallel bus interface spread F PGA chip, mainly complete IO expansion, start the functions such as sampling module and high-speed bus expansion.During standard configuration, model is EP2C5F256I8N; During expansion, model is EP2C8F256I8N; While powering on, by CPU, FPGA is configured, configurator is used the space of EMA_CS5.
LCD MODULE is directly connected to a color LCD screen on arm processor by MCBSP interface, in order to complete figure and menu data, shows, needs the program of exploitation to comprise: lcd controller driver, be responsible for frame data stream to send to lcd screen; QT storehouse, shape library supports, and only needs to be transplanted to ARM; Figure display application program, the application program based on QT storehouse.
The application program of moving on OMAP-L138 comprises: voltage/current test, status switch test, GOOSE/SV transmitting-receiving, physics loop are detected, empty loop is detected.Physics loop connects to be detected, and by light intensity, is detected in conjunction with GOOSE, SV, MMS packet sending and receiving realization full station process layer and station level physics loop and is detected.Logical circuit detects; GOOSE sends empty terminal test and mainly by handheld instrument, adds SV and GOOSE, the GOOSE of the detected IED of scanning sends empty terminal data and corresponding station level MMS signal, or directly use handheld instrument to receive GOOSE transmitted signal to be detected, provide testing result.GOOSE receives empty terminal test and mainly by handheld instrument, adds GOOSE, and detected station level MMS signal corresponding to IED of scanning, provides testing result.The detection that SV sends empty terminal mainly receives SV transmission information to be detected by handheld instrument, provides the numerical value such as SV discrete type, effective value.The detection that SV receives empty terminal mainly adds SV by handheld instrument, and detected station level MMS signal corresponding to IED of scanning, provides testing result.
This handheld instrument is comprised of a plurality of relatively independent module flexible configuration, host CPU module adopts the high performance dual core processor of supporting fixed point and floating-point function, the dual core processor being implemented on C6748DSP basis adopts 300MHz ARM9, the frequency of operation of CPU is 375MHz(DSP core dominant frequency 375MHz), also be floating-point signal processor (DSP) low in energy consumption, can fully meet high energy efficiency, the demand of connective design to high integration peripheral hardware, dissipation more low in calories and longer battery.Manual testing device comprises the interface of a station level MMS net, and ethernet PHY chip is connected on arm processor by MII interface, and Ethernet interface is 10M/100M self-adaptation, can realize IEC61850 server and client side's function simultaneously.Meanwhile, also comprise two GOOSE and SV transmitting-receiving optical fiber interface, the DSP core of OMAP-L138 and FPGA interface are EMIF and uPP, the testing requirement of the point-to-point and networking of implementation procedure layer.IEC60044-7/8 transmitting-receiving interface, IRIG-B to time interface, adopt light serial ports to receive multiplex technique, light serial ports both can receive IEC60044-7/8 light numeral message, can receive again IRIG-B code to time signal.External SD card, supports the storage of SCD file, or the special SCD file after the parsing of storage specific purpose tool.Support 256M DDRII for exchanges data between the ARM core of OMAP-L138 and DSP core, maximum can be supported 1G.
The human-machine interface module of device is by MCBSP(multichannel buffered serial port) the multiple channel audio interface of/MCASP() interface is connected on the arm processor of OMAP-L138, completes figure and menu data demonstration.Adopted intelligent display design, independently realize keyboard scan, the processing of liquid crystal display, such design, is totally independent of human interface function outside host CPU module, the burden of the host CPU alleviating on the one hand, better improve the treatment effeciency to communication, be beneficial to very much on the other hand the modification configuration of various menus, module independence is strong, uses flexibly.
In sum, the utility model openly provides a kind of Novel transformer substation handheld digital tester, comprises with lower module loop: main controller module, station level ethernet communication loop, IEC60044-8 are received light outlets, GOOSE(towards the transformer substation case of general object)/SV(sampled value) receive light outlets 1, GOOSE/SV receives light outlets 2.Main controller module adopts dual core processor.Ethernet PHY chip is by MII(medium independent interface) interface is connected on arm processor, can realize IEC61850 server and client side's function simultaneously.Adopt light serial ports to receive multiplex technique, light serial ports both can receive IEC60044-7/8 light numeral message, can receive again IRIG-B code to time signal.This handheld digital tester, can import full station SCD file automatically, has MMS network server and client concurrently simultaneously, GOOSE/SV output and input, band IRIG-B code to time, have simple to operate, measure the features such as reliable, the convenient intelligent substation that meets user detects and O&M demand flexibly.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a Novel transformer substation handheld digital tester, is characterized in that, comprising:
Main controller module, be responsible for internal data interaction platform, intelligent electronic device test logic, physics return graphical displaying and detection, logical circuit graphically shows and detection, SCD document analysis, manufacture messaging system packet sending and receiving, GOOSE and SV packet sending and receiving, IEC60044-8 packet sending and receiving and the mutual control to man-machine MMI interface module;
Station level ethernet communication module, ethernet PHY chip is connected on the arm processor of described main controller module by MII interface, realizes IEC61850 server and client side's function, and cohesive process layer GOOSE and SV can form empty terminal closed loop and detect;
Safety digital storage card module, CONFIG.SYS imports and the device instance configuration information of extraction needs to support entirely to stand transformer station, completes test configurations;
GOOSE and SV module, simulation merge cells output IEC61850-9-1/2, IEC60044-7/8 light numeral message, test light Digital Relay Protection Appliance;
Physics loop detection module, is reported service or is read model numerical value and serve by IEC61850, the light intensity data of each light mouth of acquisition process layer, the physical connection state of detection IED;
Empty loop detection module, GOOSE sends empty terminal test and adds SV and GOOSE, the GOOSE of the detected intelligent electronic device of scanning sends described in empty terminal data and corresponding station level and manufactures messaging system signal, or directly use handheld instrument to receive GOOSE transmitted signal to be detected, provide testing result.
2. Novel transformer substation handheld digital tester according to claim 1, is characterized in that, described Ethernet interface is the Ethernet interface of 10M/100M adaptivity.
3. according to the Novel transformer substation handheld digital tester shown in claim 1, it is characterized in that, described physics loop detection module is by the physics loop testing result of station level and process layer, with dynamically demonstration directly perceived of patterned way.
4. Novel transformer substation handheld digital tester according to claim 1, is characterized in that,
GOOSE receives empty terminal test mainly by adding GOOSE, and detected station level MMS signal corresponding to IED of scanning, provides testing result;
The detection that SV sends empty terminal mainly sends information by receiving SV to be detected, provides the numerical value such as SV discrete type, effective value;
SV receives the detection of empty terminal mainly by adding SV, and detected station level MMS signal corresponding to IED of scanning, provides testing result.
5. Novel transformer substation handheld digital tester according to claim 1, is characterized in that, described master controller is dual core processor, by MII mouth expansion station level, communicates by letter, and connects FPGA expansion process layer communicate by letter by uPP interface.
6. Novel transformer substation handheld digital tester according to claim 1, is characterized in that, described station level ethernet communication module coordinates with GOOSE/SV module, can closed loop detects the correctness in He Xu loop, physics loop.
7. Novel transformer substation handheld digital tester according to claim 1, is characterized in that, described physics loop detection module comprises: real-time timepiece chip, random access memory, memory modules, 24 key boards and liquid crystal display loop.
8. Novel transformer substation handheld digital tester according to claim 1, is characterized in that, described empty loop detection module comprises: debug serial port module and the programmed logical module being connected with described main controller module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320560832.XU CN203405523U (en) | 2013-09-10 | 2013-09-10 | Novel intelligent transformer station hand-held digital tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320560832.XU CN203405523U (en) | 2013-09-10 | 2013-09-10 | Novel intelligent transformer station hand-held digital tester |
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| CN203405523U true CN203405523U (en) | 2014-01-22 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319884A (en) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | Intelligent substation station level analyzer |
| CN105510749A (en) * | 2015-12-31 | 2016-04-20 | 刘雷 | Distribution transformer intelligent detection terminal applied to electric power system |
| CN105606932A (en) * | 2016-01-04 | 2016-05-25 | 刘雷 | Touch-technology-based intelligent detection system for distribution transformer |
| CN105743585A (en) * | 2016-01-25 | 2016-07-06 | 山东网聪信息科技有限公司 | Intelligent detection receiving method and device of optical IRIG (Inter Range Instrumentation Group)-B and FT3 codes |
| CN107991545A (en) * | 2016-10-26 | 2018-05-04 | 南京南瑞继保电气有限公司 | A kind of periodical inspection method of digital relay protection |
| CN108155619A (en) * | 2017-12-31 | 2018-06-12 | 长园深瑞继保自动化有限公司 | Protective relaying device multi-core CPU embedded system handles method and platform |
| CN113078944A (en) * | 2021-03-23 | 2021-07-06 | 国网北京市电力公司 | Device and method for testing single fiber supported by double-fiber optical network port of transformer substation testing equipment |
-
2013
- 2013-09-10 CN CN201320560832.XU patent/CN203405523U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319884A (en) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | Intelligent substation station level analyzer |
| CN105510749A (en) * | 2015-12-31 | 2016-04-20 | 刘雷 | Distribution transformer intelligent detection terminal applied to electric power system |
| CN105606932A (en) * | 2016-01-04 | 2016-05-25 | 刘雷 | Touch-technology-based intelligent detection system for distribution transformer |
| CN105743585A (en) * | 2016-01-25 | 2016-07-06 | 山东网聪信息科技有限公司 | Intelligent detection receiving method and device of optical IRIG (Inter Range Instrumentation Group)-B and FT3 codes |
| CN105743585B (en) * | 2016-01-25 | 2018-03-20 | 山东网聪信息科技有限公司 | A kind of smooth IRIG B and FT3 codes intelligent detecting method of reseptance and device |
| CN107991545A (en) * | 2016-10-26 | 2018-05-04 | 南京南瑞继保电气有限公司 | A kind of periodical inspection method of digital relay protection |
| CN108155619A (en) * | 2017-12-31 | 2018-06-12 | 长园深瑞继保自动化有限公司 | Protective relaying device multi-core CPU embedded system handles method and platform |
| CN113078944A (en) * | 2021-03-23 | 2021-07-06 | 国网北京市电力公司 | Device and method for testing single fiber supported by double-fiber optical network port of transformer substation testing equipment |
| CN113078944B (en) * | 2021-03-23 | 2022-06-07 | 国网北京市电力公司 | Device and method for testing single fiber supported by double-fiber optical network port of transformer substation testing equipment |
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