CN203850923U - Secondary device system with advantage of stable operation - Google Patents
Secondary device system with advantage of stable operation Download PDFInfo
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- CN203850923U CN203850923U CN201420230925.0U CN201420230925U CN203850923U CN 203850923 U CN203850923 U CN 203850923U CN 201420230925 U CN201420230925 U CN 201420230925U CN 203850923 U CN203850923 U CN 203850923U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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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
- Y04S40/126—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 wireless data transmission
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Abstract
The utility model relates to a secondary device system with the advantage of stable operation. The secondary device system with the advantage of stable operation comprises a computer and a substation layer. The substation layer comprises a protection management machine NSM800, a network switch NSJ830 and a photoelectric converter. An oscillograph comprises a signal conditioning device, an MAX125 chip and an ARM control chip. The ARM control chip is respectively connected with an SRWF-508 type wireless communication module and an automatic dialing alarm. The automatic dialing alarm comprises an STC12C5410 and an MT8888 single chip microcomputer. The computer and the substation layer carry out data transmission through an electric power data network and other network systems. The electrical capacity and the state parameters of an operation device are detected. The protection device, the oscillograph and a temperature and humidity collector are connected. A JTAG interface circuit, the automatic dialing alarm and the like are arranged. The stable operation of the whole secondary device is ensured.
Description
(1) technical field
The utility model relates to secondary device, particularly a kind of stable secondary device system.
(2) background technology
The normal reliable operation of secondary device is the basis that ensures the stabilization of power grids and power equipment safety.In the operation cost of electric power enterprise, equipment maintenance cost is occupied sizable proportion.Along with the develop rapidly of China Power, how effectively to monitor status of electric power, in time abatement apparatus defect, minimizing accident, ensure safety in production, formulate maintenance scheduling, realize high-quality stable power-supplying, become the emphasis that power supply department is paid close attention to.And oscillograph adopts microcomputer type oscillograph more in secondary device, this fault oscillograph adopts Foreground background model, foreground gather often the data acquisition module taking DSP as core as main, Shortcomings all aspect synchronous data sampling, data communication, flexibility, because the aspects such as each fault oscillograph system running speed, stability, communication capacity there are differences, cause networking difficulty, along with digitlization, the web development of transformer station, traditional microcomputer type fault oscillograph can not meet the demands, and need to improve.
(3) summary of the invention
The utility model, in order to make up the deficiencies in the prior art, provides a kind of stable secondary device system, and this system is reliable, discovery accident is timely, has greatly improved the degree of protection of security of operation.
The utility model is achieved by the following technical solution:
A stable secondary device system, comprises computer and substation level, between computer and substation level, carries out transfer of data by electric power data network, and its special character is: this substation level comprises responsible data processing, the protection manage computer NSM800 of storage and teletransmission, protection access device NSI800, for the network switch NSJ830 of the interior group-net communication of standing, for long haul communication, realize the optical-electrical converter of the conversion between photosignal, the network memory of storing for this locality of substation data, data are passed to protection manage computer NSM800 by serial server, and protection manage computer NSM800 comprises cabinet, and power module machine is installed in cabinet, CPU module, join integrated form switch module TP-LINK plate, protect supervisor NSM800 and be connected by interface with protection access device NSI800, protection access device NSI800 respectively with protective device, oscillograph and humiture collection device are connected, and this oscillograph comprises signal conditioner, MAX125 chip, ARM control chip, signal conditioner is connected with MAX125 chip, this MAX125 chip, photoelectric isolated chip, ARM control chip is all processed core board with DSP FPGA high-speed data and is connected, and ARM control chip connects respectively 6DD1607-0EA0 touch screen module, JTAG interface circuit, RS232 module, SRWF-508 type wireless communication module, automatic dialing warning device, this automatic dialing warning device comprises STC12C5410 and MT8888 single-chip microcomputer.ARM control chip also connects and extends out Flash chip, extends out SDRAM chip.
The beneficial effects of the utility model are: computer carries out transfer of data by the network systems such as electric power data network and substation level, realizing electric parameters detects, the state parameter of operational outfit detects, operation is controlled and is carried out and drive, guarantee security of operation, and this substation level is by protection manage computer NSM800, protection access device NSI800, network switch NSJ830, optical-electrical converter, network memory, protective device, oscillograph, the connection of humiture collection device, and 6DD1607-0EA0 touch screen module in oscillograph, the setting of JTAG interface circuit and automatic dialing warning device etc., ensure the stable of whole secondary device operation, whole system is simple in structure, easy to use.
(4) brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is structured flowchart of the present utility model;
The structural representation that accompanying drawing 2 is substation level of the present utility model;
Accompanying drawing 3 is the structured flowchart of protection manage computer NSM800 of the present utility model;
The structural framing that accompanying drawing 4 is oscillograph of the present utility model;
In figure, 1 protection manage computer NSM800, 2 protection access device NSI800, 3 network switch NSJ830, 4 optical-electrical converters, 5 network memories, 6 power module machines, 7 CPU modules, 8 join integrated form switch module TP-LINK plate, 9 protective devices, 10 humiture collection devices, 11 signal conditioners, 12MAX125 chip, 13 ARM control chips, 14 photoelectric isolated chips, 15DSP FPGA high-speed data is processed core board, 166DD1607-0EA0 touch screen module, 17 JTAG interface circuits, 18 RS232 modules, 19 SRWF-508 type wireless communication modules, 20 automatic dialing warning devices, 21 extend out Flash chip, 22 extend out SDRAM chip.
(5) embodiment
The utility model provides a kind of secondary device diagnostic assessment device, comprises hardware and the network architecture, software architecture, system interface, data type and carrys out origin system.
1 hardware and the network architecture:
Carry out systems organization according to hardware and the network architecture, whole system comprises substation level, communication layers and main website layer.Substation level comprises online data acquisition server, this on-line data acquisition server is connected with protective device, exchanges data framework is set in communication layers, system applies framework, this exchanges data framework comprises data/address bus successively, model data administration module, information display and information sending module, between model data administration module and information display and information sending module, data acquisition module is set, data processing module, monitoring and warning module, condition diagnosing module, state estimation module, forecast assessment module, risk evaluation module and decision recommendation module, its data/address bus is connected with data acquisition module, system applies framework is connected with data/address bus, it comprises data acquisition and data pretreatment layer, equipment condition monitoring layer, Condition Prediction of Equipment layer, equipment health evaluating and risk assessment layer, equipment state early warning layer.
Substation level: the existing prudential sub-station of upgrading, except gathering existing protective device 9(as physical isolation apparatus) information, can also carry out interface with newly-increased humiture collection device 10, transformer station's telecontrol information.
Communication layers: use existing electric power data network, carry out transfer of data.
The layer of advocating war: the various information to system are safeguarded, store, analyze and represent.
2 software architectures:
Secondary device intellectual status assessment diagnostic system adopts the principle of distributed layer design:
In secondary device intellectual status assessment diagnostic system architecture, comprise altogether 5 layers (layer), respectively bottom-up:
1) hardware platform
Can be popular now various hardware platforms, as being the computer of RISC architecture, can be also the computer of CISC architecture; Can be 32 machines, can be also 64 machines.
2) operating system platform
Operating system can be selected multiple popular operating system now, as the UNIX of several main flows, and LINUX and Microsoft Windows etc.
3) universal middleware layer
Universal middleware layer comprises operating system shielding middleware layer.Just because of the existence of operating system shielding middleware layer, just make secondary device intellectual status assessment diagnostic system can operate on several operation systems and hardware platform, there is good portability.The existence of universal middleware layer, makes system have the superiority that application component technology is brought, as scalability, heterogeneous system, interoperability manipulation etc.
4) supporting layer
Unified Supporting Platform layer is constructed on universal middleware layer, for exploitation and the operation of all kinds of electric power system application software provide unified support platform.Unified Supporting Platform layer mainly comprises multiple subsystems such as data base administration, network management, system management, warning, man-machine interface.
5) application layer
Application layer is constructed on supporting layer, realizes the application of all kinds of secondary device intellectual status assessment diagnostic system, as secondary device information gathering, secondary device state evaluation, secondary device maintenance solution formulation, the prediction of secondary device state trend etc.
2.1 exchanges data frameworks:
2.2 system applies frameworks:
The construction of this subsystem adopts three-tier architecture (B/A/S pattern), system adopts distributed deployment mode, the Technical Architecture of application system is divided into five layers in logic, be respectively data acquisition and data pretreatment layer, equipment condition monitoring layer, Condition Prediction of Equipment layer, equipment health evaluating and risk assessment layer, equipment state early warning layer, relatively independent between each level, data are mutually mutual again; Data from PMS, prudential sub-station system, decision recommendation returns to PMS.
3 system interfaces:
The design principle of system interface:
(1), resource unification, complete principle
The elementary object of system interface is exactly for fully sharing various information, guarantee information uniformity, integrality.
(2), the safety of system interface, reliability principle
From the angle of whole system, prevent viral invasion, hacker's attack.
Use from inside, embody the distribution of responsibility and right, zone of responsibility and the personal identification number system etc. of classifying rationally information.Ensure each system reliability of operation, independence.
(3), flexible, open, the ease for maintenance principle of interface
Enterprise is among continuous motion, Change and Development forever, the type of its resource, quantity, quality, work activities type, content, among system, flow process and organization etc. are all in and constantly adjust, enterprise is to the resource information demand of PMS system also among continuous variation, and various newly-built systems have interface requirements to ready-made system too simultaneously.So the design of PMS system interface also will possess flexibly, open and the feature of easy care, can adapt to the variation of business activity rule, system interface flexible, open and easy care is one of basic embodiment of setting up flexible, an open PMS system.
(4), investment is reasonable, cost performance is high
Fully, rationally utilize existing resource, reduce customer investment, reduce the expense of system development, operation maintenance.
3.1 PMS and CoBase interface
Secondary device intellectual status assessment diagnostic system and PMS system data interface are netted unified standard ESB based on state, all interfaces all provide in the mode of Web Service, can be registered in ESB, transmit the secondary device basic datas such as defect, test, maintenance to intelligent evaluation diagnostic system by soap message mechanism.The evaluation result data such as appraisal of equipment state, Strategies of Maintenance, annual overhaul plan and rolling plannings in 3 years simultaneously also can be utilized by ESB PMS system, realize data sharing.
Device model
First secondary device model data is synchronized to PMS system from CoBase by the mode of interface, and realize at the interval of PMS system secondary device and primary equipment for relation.
The property parameters of equipment mainly comprise equipment position of function, producer's model, the relevant informations such as date put into operation
Equipment log
Operating condition (protection and plug-in unit are changed record, protection definite value change record, protection record of examination, protection action record, cable and changed record), defect over the years and exception record, protection fixed value list, make an inspection tour record etc.
Equipment repair trial record
Patrol record, routine test report, diagnostic test report, defect elimination record, the relevant anti-implementation status etc. of arranging.
Other data
Family's defect, the report of all previous state evaluation, protection logic, protection software version, the report of annual device analysis and annual operating analysis report (comprising that protection action frequency, protection same model failure free time, protection are with batch failure free time, protection action accuracy) etc.
3.2 prudential sub-stations and protection equipment, oscillograph and humiture collection device interface
Native system is according to the current secondary device intellectual status assessment technical requirement of diagnostic system and the practical operation situation of transformer station; propose based on protection information management system basis; obtain the real time information of protection and obtain the scheme of the real time information of measure and control device by supervisory control system, having solved and how can obtain in time the problem of the real time information of Protection secondary circuit and the real time information of observing and controlling secondary circuit at main website end.Native system designs according to principle simple and practical, that make full use of existing resource, and scheme is considered the actual conditions of current transformer station, proposes different solutions for different network environments and hardware device situation.
In transformer station, set up secondary device intellectual status assessment diagnostic message substation system, the task of this substation system is the real time information of collecting secondary device.
The equipment such as the CPU, internal memory, storage of current protection information substation system of considering can not meet the technical requirement of existing system, therefore need the main process equipment of protection information substation system to upgrade.Improve the frequency of CPU, increase internal memory and memory capacity.
Protection and oscillograph information utilize the network of existing protection information management system directly to obtain by substation system, the stipulations that the direct communication employing of substation and equipment equipment provides.The information of measure and control device is carried out information forwarding by supervisory control system, the stipulations interface that the communication protocol of substation and supervisory control system adopts supervisory control system to provide.
3.3 on-line data acquisition servers and EMS interface
On-line data acquisition server is by physical isolation apparatus and EMS system interface, and EMS carries out data retransmission, and on-line data acquisition server receives, and gives PMS system by PMS interface by data.
3.4 on-line data acquisition servers and PMS interface
On-line data acquisition server, by physical isolation apparatus and PMS system interface, is given PMS system by the data of collection.
3.5 protection definite value verification modes
4 data types and carry out origin system
Table 1: data type and carry out origin system
A kind of method that the utility model provides secondary device intelligent diagnostics to evaluate:
(1) system made evaluation model and evaluation rule.According to regulatory documents " Shandong Power relaying protection repair based on condition of component directive/guide (trying) ", set up the device model of secondary device, the evaluation rule of quantity of state and secondary device.
(2) data acquisition: Data Collection is divided into two parts: off-line data and online data.Off-line data device model, by CoBase and PMS system Web Service interface, is registered in ESB and transmits the secondary device basic datas such as defect, test, maintenance to intelligent evaluation diagnostic system by soap message mechanism.Off-line data equipment log, equipment repair trial record, other data are all by obtaining with PMS share of system information.Online data comprises environmental data, exercise data, recorder data etc., by set up secondary device intellectual status assessment diagnostic message substation system in transformer station, obtains the real time information of secondary circuit and the real time information of monitoring secondary circuit.Protection and oscillograph information utilize the network of existing protection information management system directly to obtain by substation system, and the information of measure and control device is carried out information forwarding by supervisory control system.
(3) evaluate and calculate: the content that secondary device state evaluation calculates is included in line generalization evaluation and abnormal information statistical content.
Online overall merit is carried out integrate score evaluation by environmental evaluation, online electric parameters monitoring and evaluation, secondary circuit evaluation and reliability evaluation.
Environmental evaluation refers to by instrument testing environment temperature, humidity, water level and video whether have defect or abnormal aspect, occurs defect or when abnormal, its evaluation number is low, and instruction maintainer need to keep in repair in good time targetedly.
Device evaluation refers to by complex automatic system monitor analogue quantity, switching value, definite value, action message, warning message whether exist extremely, occurs defect or when abnormal, indicates maintainer to keep in repair targetedly in good time.
Whether secondary circuit evaluation there is defect or abnormal aspect for temperature, insulation and the ground state of evaluating secondary circuit, occurs defect or when abnormal, its evaluation number is low, and instruction maintainer need to keep in repair in good time targetedly.
Reliability evaluation is used to indicate the probability of protecting interval may have fault.Protection interval long-play and think that the probability of malfunction at protection interval increases in time when effectively not checking or testing, the time, longer its evaluation number was lower.The low instruction of this evaluation number need to be carried out routine test to a certain link at protection interval or protection interval entirety.
There is abnormal time, abnormal number of times and abnormal position for adding up protective device or secondary circuit in statistical information, ancillary staff carries out transformer station's interval state estimation.
Evaluation has been calculated and can have been generated secondary device appraisal report, checks and checks for manager.
(4) evaluation result inquiry and statistics: after secondary device evaluation completes, can remove to inquire about according to the information of the device model of secondary device, transformer station, evaluation time, device name and equipment evaluation result and the appraisal report of secondary device.
(5) risk assessment: by the potential internal flaw of identification equipment and outside threat, analytical equipment is suffered the loss of assets degree losing efficacy after threatening and the probability that threatens generation to draw the risk class of equipment in electrical network by risk evaluation model.The methodological function of secondary device risk assessment: one, module input: the data of the equipment state amount that a obtains from data analysis layer; Risk indicator and evaluating data that b produces from risk assessment layer (nested), two, functions of modules: a determines class of assets: consideration equipment self value, equipment power supply user's important level and three of the important level of equipment present position in electrical network aspect determine the class of assets grade of power equipment; B defect recognition and threat: analytical equipment function, the impact on functions of the equipments of the internal flaw that identification equipment is potential and outside threat, and there are all kinds of defects and threaten the probability occurring in statistical analysis; C counting loss degree: by associate device and defect (or threat) factor, from fail safe, the calculating of the aspects such as reliability, cost and social influence threatens the extent of damage causing; D calculation risk value: the risk class or the score value that consider class of assets, loss of assets degree and probability of happening and obtain this equipment; E evaluation information inquiry: can query facility risk assessment result, and can understand in detail evaluation procedure and each risk indicator evaluation information, three, module output: risk assessment conclusion, comprises equipment Risk value, foundation and explanation.
The step of secondary device risk assessment is: risk Metrics definition, the maintenance of analysis project weights, risk Metrics analysis and the inquiry of risk Metrics device analysis.
The feature of this system is:
(1) integrated power system model:
Secondary device and primary equipment, integrated power system model modeling based on PMS system, corresponding relation is set up at primary equipment or interval that secondary device is corresponding with it, based on integrated power system model, carry out state analysis, the evaluation of follow-up equipment, realize between the system of result mutual.
(2) real-time data acquisition:
The secondary device intellectual status assessment technical requirement of diagnostic system and the practical operation situation of transformer station; propose based on protection information management system basis; obtain the real time information of protection and obtain the scheme of the real time information of measure and control device by supervisory control system, having solved and how can obtain in time the problem of the real time information of Protection secondary circuit and the real time information of observing and controlling secondary circuit at main website end.
(3) intelligent online assessment technique:
Native system obtains the real time information of secondary device from prudential sub-station, and based on information such as real time execution information and off-line maintenance information, fault, defects, realize secondary device on-line evaluation, evaluate as required, the multiple evaluation method such as automatic Evaluation after early warning, enriched Function of Evaluation.
(4) ESB (ESB):
Net unified standard ESB based on state, all interfaces all provide in the mode of Web Service, can be registered in ESB, transmit the secondary device basic datas such as defect, test, maintenance to intelligent evaluation diagnostic system by soap message mechanism.The evaluation result data such as appraisal of equipment state, Strategies of Maintenance, annual overhaul plan and rolling plannings in 3 years simultaneously also can be utilized by ESB PMS system, realize data sharing.
(5) quantity of state inference mechanism:
The expert system that native system is built-in, adopts Modus ponens logic rules, is also the inference strategy the most widely of using in knowledge system.Regular if " if A, B ", and known A is that very the B that can very simply reach a conclusion is true.More generally describe and be: if a regular prerequisite is true, this regular conclusion is true.
Based on Modus ponens general rule, system constructing equipment state evaluation and diagnostic expert system, realized assistant analysis function.
Above-mentioned PMS, CoBase, electric power data network all carries out transfer of data by computer, and computer is connected with substation level, and this substation level comprises protection manage computer NSM800 1, protection access device NSI800 2, network switch NSJ830 3, optical-electrical converter 4, network memory 5, protection manage computer NSM800 1 is responsible for data processing, storage and teletransmission, data are passed to protection manage computer NSM800 1 by serial server, network switch NSJ830 3 is for the interior group-net communication of standing, optical-electrical converter 4 is for long haul communication, realize the conversion between photosignal, network memory 5 is for this locality storage of substation data, and protection manage computer NSM800 1 comprises cabinet, and power module machine 6 is installed in cabinet, CPU module 7, join integrated form switch module TP-LINK plate 8, protect supervisor NSM800 1 and be connected by interface with protection access device NSI800 2, protection access device NSI800 2 respectively with protective device 9, oscillograph and humiture collection device 10 are connected, and this oscillograph comprises signal conditioner 11, MAX125 chip 12, ARM control chip 13, signal conditioner 11 is connected with MAX125 chip 12, this MAX125 chip 12, photoelectric isolated chip 14, ARM control chip 13 is all processed core board 15 with DSP FPGA high-speed data and is connected, and ARM control chip 13 connects respectively 6DD1607-0EA0 touch screen module 16, JTAG interface circuit 17, RS232 module 18, SRWF-508 type wireless communication module 19, automatic dialing warning device 20, this automatic dialing warning device 20 comprises STC12C5410 and MT8888 single-chip microcomputer.ARM control chip 13 also connects and extends out Flash chip 21, extends out SDRAM chip 22.In automatic dialing warning device 20, there is relevant staff's phone, when oscillograph breaks down, plays alarm call, if field personnel does not in time process, can have other people to remind or on behalf of processing.User can prestore the alarm call number of person skilled in single-chip microcomputer memory by keyboard, when there being alarm signal to send to after single-chip microcomputer, single-chip microcomputer is by according to the priority of alert, dial corresponding telephone number and provide voice message, the telephone network of the long-distance intelligent telephone automatic alarming system consisting of STC12C5410 and MT8888 sends to user.Automatic dialing warning device also can comprise single-chip microcomputer, the receiver module, alarm center, the GSM module that are connected with single-chip microcomputer respectively, wherein GSM module is connected with landline telephone, mobile phone wireless, and receiver module is connected with ARM control chip and the alarm signal receiving is passed to single-chip microcomputer to be processed.Utilize GSM technology to carry out network data transmission to alarm signal, there is the energy supply of remote alarms.Realize warning is conveyed to person skilled in time by this automatic dialing warning device system, form complete warning safety system in conjunction with buzzer, ensure the safety of job site.
Computer carries out transfer of data by the network systems such as electric power data network and substation level, realizing electric parameters detects, the state parameter of operational outfit detects, operation is controlled and is carried out and drive, guarantee security of operation, and this substation level is by protection manage computer NSM800 1, protection access device NSI800 2, network switch NSJ830 3, optical-electrical converter 4, network memory 5, protective device 9, oscillograph, the connection of humiture collection device 10, and 6DD1607-0EA0 touch screen module 16 in oscillograph, the setting of JTAG interface circuit 17 and automatic dialing warning device 20 etc., ensure the stable of whole secondary device operation, whole system is simple in structure, easy to use.
Claims (2)
1. a stable secondary device system, comprises computer and substation level, between computer and substation level, carries out transfer of data by electric power data network, it is characterized in that: this substation level comprises responsible data processing, the protection manage computer NSM800(1 of storage and teletransmission), protection access device NSI800(2), for the network switch NSJ830(3 of the interior group-net communication of standing), for long haul communication, realize the optical-electrical converter (4) of the conversion between photosignal, the network memory (5) of storing for this locality of substation data, data are passed to protection manage computer NSM800(1 by serial server), protection manage computer NSM800(1) comprise cabinet, power module machine (6) is installed in cabinet, CPU module (7), join integrated form switch module TP-LINK plate (8), protect supervisor NSM800(1) with protection access device NSI800(2) be connected protection access device NSI800(2 by interface) and respectively with protective device (9), oscillograph and humiture collection device (10) are connected, and this oscillograph comprises signal conditioner (11), MAX125 chip (12), ARM control chip (13), signal conditioner (11) is connected with MAX125 chip (12), this MAX125 chip (12), photoelectric isolated chip (14), ARM control chip (13) is all processed core board (15) with DSP FPGA high-speed data and is connected, and ARM control chip (13) connects respectively 6DD1607-0EA0 touch screen module (16), JTAG interface circuit (17), RS232 module (18), SRWF-508 type wireless communication module (19), automatic dialing warning device (20), this automatic dialing warning device (20) comprises STC12C5410 and MT8888 single-chip microcomputer.
2. stable secondary device system according to claim 1, is characterized in that: ARM control chip (13) also connects and extends out Flash chip (21), extends out SDRAM chip (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230925.0U CN203850923U (en) | 2014-05-07 | 2014-05-07 | Secondary device system with advantage of stable operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230925.0U CN203850923U (en) | 2014-05-07 | 2014-05-07 | Secondary device system with advantage of stable operation |
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| CN203850923U true CN203850923U (en) | 2014-09-24 |
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| CN201420230925.0U Expired - Fee Related CN203850923U (en) | 2014-05-07 | 2014-05-07 | Secondary device system with advantage of stable operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768018A (en) * | 2016-11-25 | 2017-05-31 | 国电南瑞科技股份有限公司 | Site installs the on-line monitoring and diagnostic system and method for second power equipment |
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2014
- 2014-05-07 CN CN201420230925.0U patent/CN203850923U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768018A (en) * | 2016-11-25 | 2017-05-31 | 国电南瑞科技股份有限公司 | Site installs the on-line monitoring and diagnostic system and method for second power equipment |
| CN106768018B (en) * | 2016-11-25 | 2019-08-23 | 国电南瑞科技股份有限公司 | Site installs the on-line monitoring and diagnostic system and method for second power equipment |
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