CN102055544A - System and method for synchronously monitoring secondary equipment time of power supply system - Google Patents
System and method for synchronously monitoring secondary equipment time of power supply system Download PDFInfo
- Publication number
- CN102055544A CN102055544A CN201010581365XA CN201010581365A CN102055544A CN 102055544 A CN102055544 A CN 102055544A CN 201010581365X A CN201010581365X A CN 201010581365XA CN 201010581365 A CN201010581365 A CN 201010581365A CN 102055544 A CN102055544 A CN 102055544A
- Authority
- CN
- China
- Prior art keywords
- time
- time synchronized
- secondary device
- unit
- harvester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Electric Clocks (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to an industry automation information monitoring technology and discloses a system for synchronously monitoring secondary equipment time of a power supply system, which solves the problems of low accuracy and poor stability of secondary equipment time in the prior art. The main point of the technical scheme is as follows: the system comprises a station monitoring system, a network switch and a secondary equipment unit, the secondary equipment unit is connected with the station monitoring system through the network switch; the system also comprises a time synchronization acquiring device and a time synchronization monitoring background machine, the time synchronization acquiring device is connected with the secondary equipment unit, and the time synchronization monitoring background machine is connected with the network switch and the time synchronization acquiring device. Furthermore, the invention discloses a method for synchronously monitoring secondary equipment time of the power supply system. The invention is suitable for the secondary equipment time monitoring in all power stations and converting stations.
Description
Technical field
The present invention relates to industrial automation information monitoring technology, relate in particular to secondary device time synchronized monitoring system and monitoring method in the electric power system.
Background technology
In electric power system; secondary device is the general name that guarantees all kinds of automation equipments of the normal operation of electric power system; comprise time synchronism apparatus, protective device, telemechanical apparatus (supervising device), measurement mechanism (phasor measuring set, equipment for monitoring power quality, thunder and lightning measurement mechanism), tape deck (fault wave recording device), metering device (intelligent electric meter) etc.; wherein time synchronism apparatus can provide time signal and time message information output interface, and other secondary device can only time of reception signal or time message information and use.In order to ensure the correctness of the real-time processing of these secondary devices and the authenticity of historical data, need its time is synchronous.At present, whether the time of each secondary device becomes the bottleneck of the digitlization of restriction transformer station, electrical network intelligent development synchronously.Although time synchronism apparatus can provide unified time, the accuracy of the time that provides and stability can't be monitored, and whether other secondary device used in the time correctly also has no way of understanding, and the problems referred to above all need to be resolved hurrily.
Time synchronism apparatus (GPS to time device) all has been installed in the electric substation automation system at present, is provided lock in time also for other secondary devices, but same fault time of inconsistent situation in to fault data, waveform analysis, still occurs.Trace it to its cause following some: 1. the reliability and stability of time synchronism apparatus are not high, and as single master clock, single gps clock source, it does not all have high-precision punctual ability; 2. other secondary device itself is handled defectiveness to time signal, and as the decoding of pulse signal and the cooperation of serial ports time, IRIG-B, majority is to adopt software to realize but not hardware is realized, occurs handling untimely leading to errors easily; 3. fault-tolerant processing ability can not be discerned and used wrong signal when signal is interfered, and causes timing error, also can't correct.
In the conventional art to the processing mode of the problems referred to above be select with clock synchronization system do more powerfully, stability is higher, the time of automation equipment handles more perfect, but can obviously improve the difficulty of design like this, and reliability is not high.And if select to time synchronism apparatus that temporal information is provided and service time information the user mode of secondary device carry out on-line monitoring, indexs such as the correctness of analysis secondary device time and time precision, stability, will certainly improve time stability, the reliability of secondary device greatly, and this mode implements also simple.Also there are not a kind of secondary equipment in power system time synchronized monitoring system and monitoring method to occur at present.
Summary of the invention
Technical problem to be solved by this invention is: a kind of secondary equipment in power system time synchronized monitoring system and monitoring method are provided, solve that secondary device time precision in the conventional art is low, the problem of poor stability.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: secondary equipment in power system time synchronized monitoring system, comprise factory's station supervisory control system network switch, secondary device unit, described secondary device unit connects factory's station supervisory control system by the network switch, this secondary equipment in power system time synchronized monitoring system also comprises time synchronized harvester and time synchronized monitoring background computer, described time synchronized harvester connects the secondary device unit, and described time synchronized monitoring background computer connects the network switch and time synchronized harvester.
Described secondary device unit is time synchronism apparatus and the combination that possesses the secondary device of switching value input, described time synchronism apparatus connects secondary device, time synchronized harvester and the network switch that possesses the switching value input, and the described secondary device that possesses the switching value input connects the network switch and time synchronized harvester.
Described secondary device unit is time synchronism apparatus and does not possess the secondary device of switching value input and the combination of the serial ports webserver, described time synchronism apparatus connects the network switch and time synchronized harvester, the described secondary device that does not possess the switching value input connects the network switch, described serial ports webserver connect hours synchronous acquisition device by the serial ports webserver.
Described secondary device unit is time synchronism apparatus and possesses secondary device, the secondary device that does not possess the switching value input and the combination of the serial ports webserver that switching value is imported; Described time synchronism apparatus connects secondary device, time synchronized harvester and the network switch that possesses the switching value input, the described secondary device that possesses the switching value input connects the network switch and time synchronized harvester, the described secondary device that does not possess the switching value input connects the network switch, described serial ports webserver connect hours synchronous acquisition device by the serial ports webserver.
Described time synchronized monitoring background computer adopts the industrial computer that possesses the master clock integrated circuit board.
Described time synchronized harvester possesses power insert, frequency marking plug-in unit, CPU card and optional plug-in unit, and described optional plug-in unit comprises Ethernet plug-in unit, RS-232/422/485 communication interface plug-in unit, RS-485 input interface plug-in unit, RS-485 output interface plug-in unit, TTL input interface plug-in unit, TTL output interface plug-in unit, optical fiber input interface plug-in unit, optical fiber output interface plug-in unit, pulse input interface plug-in unit and pulse output interface plug-in unit.
Secondary equipment in power system time synchronized monitoring method may further comprise the steps:
A. time synchronized harvester and time synchronized the monitoring background computer carry out PTP (chronometer time agreement) network to the time;
B. the time synchronized harvester is gathered the temporal information of each secondary device, and sends time synchronized monitoring background computer to;
C. time synchronized monitoring background computer receives above-mentioned temporal information and puts in order;
D. time synchronized monitoring background computer extracts SOE (sequence of events recording) information from factory's station supervisory control system, and the temporal information among the integrating step c after the arrangement generates the clock of each secondary device;
E. the clock of time synchronized monitoring background computer each secondary device that will generate and the standard clock source analysis that compares, what count each secondary device walks time error with stable and show with chart;
F. time error is walked in setting or stability secondary device not up to standard is reported to the police to exceeding.
Further, also comprise step g after step f: each factory's station time synchronized monitoring background computer is sent to the higher level control centre with the clock of each secondary device among the step e and the result behind the standard clock source compare of analysis.
Among the step a, time synchronized monitoring background computer is as master clock, and the time synchronized harvester is as from clock, according to IEEE1588 chronometer time agreement realize the PTP network to the time, to the time 2s at interval, to the time precision 20ns.
Among the step b, the method that the time synchronized harvester is gathered the temporal information of each secondary device is:
B1. for time synchronism apparatus, direct acquisition time signal;
B2. for the secondary device that possesses the switching value input, by its generation time journal of time synchronized harvester output time pulse-triggered, by the time of factory's station supervisory control system extraction Event triggered;
B3. for the secondary device that does not possess switching value input, by the time synchronized harvester by serial ports monitor to the time message reply extracting time information.
The invention has the beneficial effects as follows: the time state to secondary device is monitored, and in time pinpoints the problems and deals with problems, thereby improve correctness, the stability of secondary device time, improves time precision, guarantees that to greatest extent equipment normally moves.
Description of drawings
Fig. 1 is a secondary equipment in power system time synchronized monitoring system structured flowchart in the embodiments of the invention;
Fig. 2 is a secondary equipment in power system time synchronized monitoring method flow chart of the present invention;
Fig. 3 is the background process flow chart of the time synchronized harvester among the present invention;
Fig. 4 is the background process flow chart of the monitoring of the time synchronized among the present invention background computer.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
The invention discloses a kind of secondary equipment in power system time synchronized monitoring system, it has increased time synchronized harvester and the time synchronized monitoring background computer that the secondary device time state is gathered and monitored in traditional factory substation automation system, by the time signal that collects is carried out analyzing and processing, in time pinpoint the problems and deal with problems, thereby improve correctness, the stability of secondary device time, improve time precision, guarantee that to greatest extent equipment normally moves.The invention also discloses secondary equipment in power system time synchronized monitoring method.
Embodiment:
As shown in Figure 1, the secondary equipment in power system time synchronized monitoring system in this example comprises factory's station supervisory control system, the network switch, secondary device unit, time synchronized harvester and time synchronized monitoring background computer; The secondary device unit connects factory's station supervisory control system by the network switch, and the time synchronized harvester connects the secondary device unit, and the time synchronized harvester connects the network switch by time synchronized monitoring background computer.Wherein, the secondary device unit is made up of time synchronism apparatus, the secondary device that is equipped with the switching value input, the secondary device and the serial ports webserver that does not possess the switching value input, possesses the secondary device that switching value imports and all is connected with the network switch, time synchronism apparatus, time synchronized harvester; The secondary device that does not possess the switching value input is connected with the time synchronized harvester, and by serial ports webserver access network switch.
In this example; the secondary device that possesses switching value input can be protective device, telemechanical apparatus, measurement mechanism, tape deck etc.; they can directly be connected with time synchronism apparatus; realize time synchronized with the time of reception signal; then need by serial ports webserver access network switch for the secondary device (as: intelligent electric meter etc.) that does not possess the switching value input, thereby the time of reception synchronizing signal realizes time synchronized.
Time synchronized monitoring background computer can adopt industrial computer, increase a master clock integrated circuit board, the master clock integrated circuit board adopts pci bus to be connected with industrial computer, major function device on the master clock integrated circuit board comprises CPU (as: AT91RM200), 4M FLASH, 64M SDRAM, GPS receiver module, 10M constant-temperature crystal oscillator, 2 Ethernet network interfaces (as: DP83640) with PTP agreement, one of them network interface is as the master clock to next stage (time synchronized harvester), another as to upper level (control centre) from clock.
The background process flow process of time synchronized monitoring background computer as shown in Figure 4, comprise 6 part: 1.PTP to the time: with the time synchronized harvester carry out the PTP network to the time; 2. receive the temporal information of each equipment of arrangement: the network message of time of reception synchronous acquisition device, the temporal information of putting each equipment in order; 3. extract SOE information from factory's station supervisory control system; 4. generate the clock of each equipment; 5. the clocking error of each equipment of statistical analysis and stability; 6. carry out chart demonstration and warning.
The time synchronized harvester can adopt the back of the body to insert formula 19, and " standard PC case; indispensable plug-in unit comprises: power insert, frequency marking plug-in unit and CPU card, optional plug-in unit comprises: Ethernet plug-in unit, RS-232/422/485 communication interface plug-in unit, RS-485 input interface plug-in unit, RS-485 output interface plug-in unit, TTL input interface plug-in unit, TTL output interface plug-in unit, optical fiber input interface plug-in unit, optical fiber output interface plug-in unit, pulse input interface plug-in unit and pulse output interface plug-in unit.2 power inserts are that the working power input voltage is that 220V AC/220V DC/110V DC is general in order to ensure the power supply reliability of device.Establish the 10M constant-temperature crystal oscillator in the frequency marking plug-in unit, time keeping error is less than 1 μ s/h after taming.Establish AT91RM9200,4M FLASH, 64M SDRAM, FPGA and DP83640 in the CPU card, the Ethernet network interface of the PTP agreement that provides is from clock.Remaining optional plug-in unit is matched according to actual conditions.The Ethernet plug-in unit provides 4 RJ45 Ethernet interfaces, can realize the NTP/SNTP procotol; RS-232/422/485 communication interface plug-in unit provides 4 DB9 interfaces; RS-485 input interface plug-in unit provides the input of 16 road RS-485 differential signals; RS-485 output interface plug-in unit provides the output of 16 road RS-485 differential signals; TTL input interface plug-in unit provides 16 road TTL input; TTL output interface plug-in unit provides 16 road TTL output; Optical fiber input interface plug-in unit provides the input of 8 road ST optical fiber; Optical fiber output interface plug-in unit provides the output of 8 road ST optical fiber; Pulse input interface plug-in unit provides 16 tunnel inputs, maximum input voltage 250V DC; Pulse output interface plug-in unit provides 16 tunnel outputs, the highest withstand voltage 250V DC of OC door.The error of the input that the time synchronized harvester provides, output time signal is less than 100ns.
The background process flow process of time synchronized harvester as shown in Figure 3, comprise 5 part: 1.PTP to the time: receive with the PTP network of time synchronized monitoring background computer to the time; 2. network message is handled: receive the network interface time message, logging timestamp and device number; 3. the serial ports time message is handled: receive the serial ports time message, logging timestamp and device number; 4. time signal is handled: pull-in time signal edge, time signal is resolved logging timestamp and device number; 5. pulse signal output: to particular moment and the output of pulse at interval, recording impulse output time.
Set forth the method for utilizing above-mentioned secondary equipment in power system time synchronized monitoring system to carry out the time synchronized monitoring below:
As shown in Figure 2, this method may further comprise the steps:
Time synchronized harvester and time synchronized monitoring background computer carry out the PTP network to the time: time synchronized monitoring background computer is as master clock, the conduct of time synchronized harvester is from clock, according to IEEE 1588 chronometer time agreements realize the PTP network to the time, to the time 2s at interval, to the time precision 20ns;
2. the time synchronized harvester is gathered the temporal information of each secondary device, and send time synchronized monitoring background computer to: the collection for the secondary device temporal information divides three kinds of situation: a. collection to the temporal information of time synchronism apparatus: the time signal of direct time of reception synchronizer output, the time signal that receives is added a cover internal time stab, be sent to time synchronized monitoring background computer by Ethernet; B. to the collection of the temporal information of the secondary device that possesses switching value input: by time synchronized harvester output PPS (pulse per second (PPS))/PPM (branch pulse)/PPH (time pulse) or particular time interval pulse, trigger these secondary devices and produce SOE information or switching value displacement information, these logouts are gathered in the SCADA/EMS system that sends to factory's station supervisory control system or control centre, time synchronized monitoring background computer is by the time of the SCADA/EMS system extraction Event triggered of factory's station supervisory control system or control centre, thus the acquisition temporal information; C. to the collection of the temporal information of the secondary device that do not possess switching value input: the time synchronized harvester monitor in the serial communication to the time message information, add a cover internal time and stab, be sent to time synchronized monitoring background computer by Ethernet.
3. time synchronized monitoring background computer receives above-mentioned temporal information and puts in order;
4. time synchronized monitoring background computer extracts the SOE information that relevant secondary device (secondary device that possesses the switching value input) produces because of the time pulse of time synchronized harvester output from SCADA (data acquisition and supervisor control)/EMS (energy management system) system of factory's station supervisory control system or control centre, and the temporal information after putting in order in conjunction with previous step generates the clock of each secondary device;
5. carry out the clock compare of analysis, count walking time error and stability and showing with chart of each secondary device: time synchronized is monitored the analysis that compares of the clock of each secondary device that background computer will generate and standard clock source, the standard clock source here can select time synchronous monitoring background computer itself the gps clock source, when between control centre and factory station, having the PTP network, also can select time synchronized is monitored clock that background computer receives from the control centre as standard clock source; After comparison, what can count each secondary device walks time error, consistency and stability, and shows with the form of chart;
6. carry out alarm to exceeding secondary device or the stable undesirable secondary device of setting time error, so that the staff in time finds processing in time;
7. each factory's station time synchronized monitoring background computer is sent to the control centre that is had jurisdiction over analysis result by the electric power data private network, and the local level control centre forwards the data to provincial control centre again.Therefore, in each power plant, each transformer station, control centre at different levels can both monitor the temporal information of the equipment of having jurisdiction over.
Claims (10)
1. secondary equipment in power system time synchronized monitoring system, comprise factory's station supervisory control system, the network switch, secondary device unit, described secondary device unit connects factory's station supervisory control system by the network switch, it is characterized in that: also comprise time synchronized harvester and time synchronized monitoring background computer; Described time synchronized harvester connects the secondary device unit, and described time synchronized monitoring background computer connects the network switch and time synchronized harvester.
2. secondary equipment in power system time synchronized monitoring system as claimed in claim 1, it is characterized in that: described secondary device unit is time synchronism apparatus and the combination that possesses the secondary device of switching value input, described time synchronism apparatus connects secondary device, time synchronized harvester and the network switch that possesses the switching value input, and the described secondary device that possesses the switching value input connects the network switch and time synchronized harvester.
3. secondary equipment in power system time synchronized monitoring system as claimed in claim 1, it is characterized in that: described secondary device unit is time synchronism apparatus and does not possess the secondary device of switching value input and the combination of the serial ports webserver, described time synchronism apparatus connects the network switch and time synchronized harvester, the described secondary device that does not possess the switching value input connects the network switch, described serial ports webserver connect hours synchronous acquisition device by the serial ports webserver.
4. secondary equipment in power system time synchronized monitoring system as claimed in claim 1 is characterized in that: described secondary device unit is time synchronism apparatus and possesses secondary device, the secondary device that does not possess the switching value input and the combination of the serial ports webserver that switching value is imported; Described time synchronism apparatus connects secondary device, time synchronized harvester and the network switch that possesses the switching value input, the described secondary device that possesses the switching value input connects the network switch and time synchronized harvester, the described secondary device that does not possess the switching value input connects the network switch, described serial ports webserver connect hours synchronous acquisition device by the serial ports webserver.
5. secondary equipment in power system time synchronized monitoring system as claimed in claim 1 is characterized in that: described time synchronized monitoring background computer adopts the industrial computer that possesses the master clock integrated circuit board.
6. as any described secondary equipment in power system time synchronized monitoring system of claim 1 to 5, it is characterized in that: described time synchronized harvester possesses power insert, frequency marking plug-in unit, CPU card and optional plug-in unit, and described optional plug-in unit comprises Ethernet plug-in unit, RS-232/422/485 communication interface plug-in unit, RS-485 input interface plug-in unit, RS-485 output interface plug-in unit, TTL input interface plug-in unit, TTL output interface plug-in unit, optical fiber input interface plug-in unit, optical fiber output interface plug-in unit, pulse input interface plug-in unit and pulse output interface plug-in unit.
7. secondary equipment in power system time synchronized monitoring method is characterized in that: may further comprise the steps:
A. time synchronized harvester and time synchronized the monitoring background computer carry out the PTP network to the time;
B. the time synchronized harvester is gathered the temporal information of each secondary device, and sends time synchronized monitoring background computer to;
C. time synchronized monitoring background computer receives above-mentioned temporal information and puts in order;
D. time synchronized monitoring background computer extracts SOE information from factory's station supervisory control system, and the temporal information among the integrating step c after the arrangement generates the clock of each secondary device;
E. the clock of time synchronized monitoring background computer each secondary device that will generate and the standard clock source analysis that compares, what count each secondary device walks time error with stable and show with chart;
F. time error is walked in setting or stability secondary device not up to standard is reported to the police to exceeding.
8. secondary equipment in power system time synchronized monitoring method as claimed in claim 7 is characterized in that: also comprise step g after step f: each factory's station time synchronized monitoring background computer is sent to the higher level control centre with the clock of each secondary device among the step e and the result behind the standard clock source compare of analysis.
9. secondary equipment in power system time synchronized monitoring method as claimed in claim 7, it is characterized in that: among the step a, time synchronized monitoring background computer is as master clock, the conduct of time synchronized harvester is from clock, according to IEEE 1588 chronometer time agreements realize the PTP network to the time, to the time 2s at interval, to the time precision 20ns.
10. as any described secondary equipment in power system time synchronized monitoring method of claim 7 to 9, it is characterized in that: among the step b, the method that the time synchronized harvester is gathered the temporal information of each secondary device is:
B1. for time synchronism apparatus, direct acquisition time signal;
B2. for the secondary device that possesses the switching value input, by its generation time journal of time synchronized harvester output time pulse-triggered, by the time of factory's station supervisory control system extraction Event triggered;
B3. for the secondary device that does not possess switching value input, by the time synchronized harvester by serial ports monitor to the time message reply extracting time information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010581365.XA CN102055544B (en) | 2010-12-09 | 2010-12-09 | System and method for synchronously monitoring secondary equipment time of power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010581365.XA CN102055544B (en) | 2010-12-09 | 2010-12-09 | System and method for synchronously monitoring secondary equipment time of power supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102055544A true CN102055544A (en) | 2011-05-11 |
| CN102055544B CN102055544B (en) | 2015-05-20 |
Family
ID=43959515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010581365.XA Active CN102055544B (en) | 2010-12-09 | 2010-12-09 | System and method for synchronously monitoring secondary equipment time of power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102055544B (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361348A (en) * | 2011-09-28 | 2012-02-22 | 江苏方天电力技术有限公司 | Method for monitoring time setting state of secondary equipment of intelligent converting station |
| CN102891536A (en) * | 2012-10-10 | 2013-01-23 | 安徽省电力公司芜湖供电公司 | Integrated electric energy management platform |
| CN102946145A (en) * | 2012-11-27 | 2013-02-27 | 广东电网公司佛山供电局 | Method and system for judging synchronous exception of transformer substation time system |
| CN103036314A (en) * | 2012-12-03 | 2013-04-10 | 苏州金纳信息技术有限公司 | Inserted electricity parameter sampling realization device based on time-base signals of compass navigation satellite system and global position system (GPS) |
| CN103151835A (en) * | 2013-02-07 | 2013-06-12 | 航天科工深圳（集团）有限公司 | Sampling synchronization method and device of distributed DTU (Distribution Terminal Unit) |
| CN103516507A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Electricity utilization information collecting system time synchronization method based on DLPTP clock synchronization |
| CN104052154A (en) * | 2014-06-09 | 2014-09-17 | 国家电网公司 | Transformer substation secondary device state monitoring system |
| CN104199281A (en) * | 2014-09-04 | 2014-12-10 | 首钢京唐钢铁联合有限责任公司 | Time alignment system based on GPS (global position system) and compass system |
| CN104702658A (en) * | 2014-09-24 | 2015-06-10 | 国网浙江海盐县供电公司 | Online monitoring and managing system of HYTMS automatic time synchronizing device |
| CN105223919A (en) * | 2015-09-21 | 2016-01-06 | 国核电力规划设计研究院 | A kind of affair sequential record method for generating plant |
| CN105376044A (en) * | 2015-12-08 | 2016-03-02 | 南京讯汇科技发展有限公司 | Secondary equipment time monitoring system and method for power system |
| CN105372677A (en) * | 2014-08-25 | 2016-03-02 | 国家电网公司 | Time monitoring method and device |
| CN105515191A (en) * | 2015-12-22 | 2016-04-20 | 刘莹瑜 | Automation system for power plants |
| CN105759150A (en) * | 2016-04-11 | 2016-07-13 | 国网江苏省电力公司电力科学研究院 | Test system and method for transformer substation secondary device prefabricated cabin |
| CN105785223A (en) * | 2014-12-19 | 2016-07-20 | 云南电网公司电力科学研究院 | TMU (time monitoring unit)-based substation time simultaneous monitoring system |
| CN106054095A (en) * | 2016-07-01 | 2016-10-26 | 河北箱变电器有限公司 | Monitoring equipment for secondary device for monitoring partial discharging and temperature monitoring device |
| CN106253484A (en) * | 2016-09-18 | 2016-12-21 | 国网河南伊川县供电公司 | A kind of for electricity substation secondary electric power system synchronous monitoring device and method |
| CN107070573A (en) * | 2015-11-05 | 2017-08-18 | 罗伯特·博世有限公司 | Monitor the clock synchronous regime in the network based on Ethernet |
| CN107390090A (en) * | 2017-07-28 | 2017-11-24 | 思源电气股份有限公司 | A kind of circuitry fault detection method and system |
| CN108181798A (en) * | 2017-11-28 | 2018-06-19 | 东莞理工学院 | A kind of electric grid secondary apparatus self-adaptation setting means |
| CN108880927A (en) * | 2018-04-20 | 2018-11-23 | 武汉中元华电电力设备有限公司 | A kind of time synchronizing signal exception automatic record method |
| CN109900994A (en) * | 2019-03-29 | 2019-06-18 | 国网重庆市电力公司市区供电分公司 | Intelligent substation secondary circuit comprehensive performance testing system and working method |
| CN110418403A (en) * | 2019-07-24 | 2019-11-05 | 云南电网有限责任公司红河供电局 | A kind of 35kV substation data record system and method based on wireless network |
| CN110535237A (en) * | 2019-08-23 | 2019-12-03 | 苏州光格设备有限公司 | A kind of Simultaneous Monitoring device and method |
| CN111381486A (en) * | 2018-12-28 | 2020-07-07 | 北京金风科创风电设备有限公司 | Controller timing method and device, controller and wind generating set |
| CN112737877A (en) * | 2020-12-25 | 2021-04-30 | 国网江苏省电力有限公司苏州供电分公司 | Secondary equipment time setting state monitoring method and system |
| CN110535237B (en) * | 2019-08-23 | 2024-06-04 | 苏州光格科技股份有限公司 | Synchronous monitoring equipment and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739728Y (en) * | 2004-11-05 | 2005-11-09 | 深圳市联德合微电子有限公司 | Automatic meter-reading system |
| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN101771487A (en) * | 2008-12-31 | 2010-07-07 | 郑州威科姆科技股份有限公司 | Equipment for network time service precision detection and detection method using the detection equipment |
| CN101871976A (en) * | 2009-04-24 | 2010-10-27 | 郑州威科姆科技股份有限公司 | Power clock detecting device |
| CN101900777A (en) * | 2009-05-27 | 2010-12-01 | 河南省电力勘测设计院 | Monitoring method and device of power system |
-
2010
- 2010-12-09 CN CN201010581365.XA patent/CN102055544B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2739728Y (en) * | 2004-11-05 | 2005-11-09 | 深圳市联德合微电子有限公司 | Automatic meter-reading system |
| CN201226521Y (en) * | 2008-02-28 | 2009-04-22 | 江苏电力调度通信中心 | System for monitoring time synchronization |
| CN101771487A (en) * | 2008-12-31 | 2010-07-07 | 郑州威科姆科技股份有限公司 | Equipment for network time service precision detection and detection method using the detection equipment |
| CN101871976A (en) * | 2009-04-24 | 2010-10-27 | 郑州威科姆科技股份有限公司 | Power clock detecting device |
| CN101900777A (en) * | 2009-05-27 | 2010-12-01 | 河南省电力勘测设计院 | Monitoring method and device of power system |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361348A (en) * | 2011-09-28 | 2012-02-22 | 江苏方天电力技术有限公司 | Method for monitoring time setting state of secondary equipment of intelligent converting station |
| CN102891536A (en) * | 2012-10-10 | 2013-01-23 | 安徽省电力公司芜湖供电公司 | Integrated electric energy management platform |
| CN102891536B (en) * | 2012-10-10 | 2014-10-01 | 国家电网公司 | Integrated electric energy management platform |
| CN102946145B (en) * | 2012-11-27 | 2015-08-12 | 广东电网公司佛山供电局 | The determination methods of transformer station's time synchronous exception and system |
| CN102946145A (en) * | 2012-11-27 | 2013-02-27 | 广东电网公司佛山供电局 | Method and system for judging synchronous exception of transformer substation time system |
| CN103036314A (en) * | 2012-12-03 | 2013-04-10 | 苏州金纳信息技术有限公司 | Inserted electricity parameter sampling realization device based on time-base signals of compass navigation satellite system and global position system (GPS) |
| CN103151835A (en) * | 2013-02-07 | 2013-06-12 | 航天科工深圳（集团）有限公司 | Sampling synchronization method and device of distributed DTU (Distribution Terminal Unit) |
| CN103516507A (en) * | 2013-09-24 | 2014-01-15 | 国家电网公司 | Electricity utilization information collecting system time synchronization method based on DLPTP clock synchronization |
| CN103516507B (en) * | 2013-09-24 | 2014-09-24 | 国家电网公司 | Electricity utilization information collecting system time synchronization method based on DLPTP clock synchronization |
| CN104052154A (en) * | 2014-06-09 | 2014-09-17 | 国家电网公司 | Transformer substation secondary device state monitoring system |
| CN105372677A (en) * | 2014-08-25 | 2016-03-02 | 国家电网公司 | Time monitoring method and device |
| CN104199281B (en) * | 2014-09-04 | 2017-06-16 | 首钢京唐钢铁联合有限责任公司 | System during a kind of energy pair based on GPS and dipper system |
| CN104199281A (en) * | 2014-09-04 | 2014-12-10 | 首钢京唐钢铁联合有限责任公司 | Time alignment system based on GPS (global position system) and compass system |
| CN104702658A (en) * | 2014-09-24 | 2015-06-10 | 国网浙江海盐县供电公司 | Online monitoring and managing system of HYTMS automatic time synchronizing device |
| CN105785223A (en) * | 2014-12-19 | 2016-07-20 | 云南电网公司电力科学研究院 | TMU (time monitoring unit)-based substation time simultaneous monitoring system |
| CN105223919A (en) * | 2015-09-21 | 2016-01-06 | 国核电力规划设计研究院 | A kind of affair sequential record method for generating plant |
| CN107070573B (en) * | 2015-11-05 | 2020-02-14 | 罗伯特·博世有限公司 | Monitoring clock synchronization status in an Ethernet-based network |
| CN107070573A (en) * | 2015-11-05 | 2017-08-18 | 罗伯特·博世有限公司 | Monitor the clock synchronous regime in the network based on Ethernet |
| CN105376044A (en) * | 2015-12-08 | 2016-03-02 | 南京讯汇科技发展有限公司 | Secondary equipment time monitoring system and method for power system |
| CN105515191A (en) * | 2015-12-22 | 2016-04-20 | 刘莹瑜 | Automation system for power plants |
| CN105759150A (en) * | 2016-04-11 | 2016-07-13 | 国网江苏省电力公司电力科学研究院 | Test system and method for transformer substation secondary device prefabricated cabin |
| CN105759150B (en) * | 2016-04-11 | 2018-07-17 | 国网江苏省电力公司电力科学研究院 | A kind of test system and method for substation secondary device prefabricated cabin |
| CN106054095A (en) * | 2016-07-01 | 2016-10-26 | 河北箱变电器有限公司 | Monitoring equipment for secondary device for monitoring partial discharging and temperature monitoring device |
| CN106253484A (en) * | 2016-09-18 | 2016-12-21 | 国网河南伊川县供电公司 | A kind of for electricity substation secondary electric power system synchronous monitoring device and method |
| CN107390090A (en) * | 2017-07-28 | 2017-11-24 | 思源电气股份有限公司 | A kind of circuitry fault detection method and system |
| CN108181798A (en) * | 2017-11-28 | 2018-06-19 | 东莞理工学院 | A kind of electric grid secondary apparatus self-adaptation setting means |
| CN108880927A (en) * | 2018-04-20 | 2018-11-23 | 武汉中元华电电力设备有限公司 | A kind of time synchronizing signal exception automatic record method |
| CN108880927B (en) * | 2018-04-20 | 2021-05-11 | 武汉中元华电电力设备有限公司 | Automatic recording method for time synchronization signal abnormity |
| CN111381486A (en) * | 2018-12-28 | 2020-07-07 | 北京金风科创风电设备有限公司 | Controller timing method and device, controller and wind generating set |
| CN109900994A (en) * | 2019-03-29 | 2019-06-18 | 国网重庆市电力公司市区供电分公司 | Intelligent substation secondary circuit comprehensive performance testing system and working method |
| CN110418403A (en) * | 2019-07-24 | 2019-11-05 | 云南电网有限责任公司红河供电局 | A kind of 35kV substation data record system and method based on wireless network |
| CN110418403B (en) * | 2019-07-24 | 2021-07-02 | 云南电网有限责任公司红河供电局 | 35kV transformer substation data recording system and method based on wireless network |
| CN110535237A (en) * | 2019-08-23 | 2019-12-03 | 苏州光格设备有限公司 | A kind of Simultaneous Monitoring device and method |
| CN110535237B (en) * | 2019-08-23 | 2024-06-04 | 苏州光格科技股份有限公司 | Synchronous monitoring equipment and method |
| CN112737877A (en) * | 2020-12-25 | 2021-04-30 | 国网江苏省电力有限公司苏州供电分公司 | Secondary equipment time setting state monitoring method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102055544B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102055544B (en) | System and method for synchronously monitoring secondary equipment time of power supply system | |
| CN102361356B (en) | System and method for testing remote communication volume of transformer substation testing-controlling device | |
| CN101498757B (en) | Real-time dynamic monitoring and recording equipment of power system | |
| CN102623966B (en) | Differential protection method for bus | |
| WO2012075881A1 (en) | Ieee1588-based sampled value multi-interface synchronization system for multiple slave clocks | |
| CN203909162U (en) | Electric energy quality collection apparatus | |
| CN203643551U (en) | Traveling wave positioner | |
| CN102546147B (en) | Method for realizing accurate network timing of wide-area protection system on basis of SDH (Synchronous Digital Hierarchy) network | |
| CN106254022A (en) | Time supervision based on clock synchronization apparatus and time delay query software system platform | |
| CN102684169B (en) | Differential protection signal synchronizing method for distribution network system | |
| CN104297593B (en) | Punctuality error detection method for intelligent substation merging unit | |
| CN107069681A (en) | A kind of multi-point circuit differential protecting method and system | |
| CN205610654U (en) | Clock device based on SDH network E1 passageway fault monitoring | |
| CN104734338A (en) | Clock monitoring method, device and system of transformer substations | |
| CN103576014A (en) | Clock monitoring device and monitoring method of transformer substation | |
| CN202615137U (en) | Time service unifying device of electrical power system | |
| CN104901758A (en) | Double-plane clock synchronization method applied to wide-area protection control system | |
| CN106788839A (en) | A kind of digital transformer substation time synchronized performance detection method and its device | |
| CN202940820U (en) | Clock synchronization network system based on transparent clock | |
| CN204679601U (en) | A kind of power angle measuring device for power generator | |
| CN104219014A (en) | PTP clock synchronization method based on SDH transmission network | |
| Peer et al. | The Future of Time: Evolving Requirements for Precise Time Synchronization in the Electric Power Industry | |
| CN110209044A (en) | A kind of distribution terminal time synchronization method compared using power grid power frequency component periodic quantity | |
| CN204855712U (en) | A time lock monitoring devices for intelligent substation | |
| CN103368258A (en) | Method for testing telecommand deflection by telecommand quantity testing system of measuring and control device of substation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Time synchronization monitoring system and monitoring method for secondary equipment of power system Effective date of registration: 20211227 Granted publication date: 20150520 Pledgee: Jinniu sub branch of Bank of Chengdu Co., Ltd Pledgor: CHENGDU YZ DIGITAL EQUIPMENT CO.,LTD. Registration number: Y2021510000311 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |