CN204374321U - A kind of for going here and there the repair based on condition of component on-line measuring device mending device - Google Patents
A kind of for going here and there the repair based on condition of component on-line measuring device mending device Download PDFInfo
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- CN204374321U CN204374321U CN201420788537.4U CN201420788537U CN204374321U CN 204374321 U CN204374321 U CN 204374321U CN 201420788537 U CN201420788537 U CN 201420788537U CN 204374321 U CN204374321 U CN 204374321U
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of for going here and there the repair based on condition of component on-line measuring device mending device, comprising: distributed on-line monitoring unit, network communication unit and backstage detecting unit; Distributed on-line monitoring unit issues backstage detecting unit, gathers the state parameter that each string that need monitor mends device, by gathered state parameter by network communication unit; When the string benefit device that need monitor breaks down, device is mended to the string that need monitor and carries out protection operation; Backstage detecting unit, received state parameter is stored in running state data storehouse, and determine to go here and there the operational reliability index of mending device and key device according to the historic state parameter stored in received state parameter and described running state data storehouse, carry out running status assessment, generate real-time repair based on condition of component strategy.By using said apparatus, can overhaul string benefit device and key device in real time according to state parameter.
Description
Technical field
The utility model relates to UHV AC transmission technique, refers to a kind of for going here and there the repair based on condition of component on-line measuring device mending device especially.
Background technology
The series capacitor compensation technology (being called for short string to mend) of AC transmission equipment is series in transmission line of alternation current by power capacitor, compensate the part emotional resistance of transmission line of alternation current, thus reach increase circuit transmission capacity, raising device stability, object such as reduction network loss, investment reduction etc.Fixed series compensation seals in power capacitor bank in transmission line of alternation current, for compensated line inductance, increases the equipment of circuit transmission capacity.Controlled series compensation adds thyristor valve branch road on the basis of fixed series compensation, and thyristor control device, by changing IGBT group angle, regulates the equivalent impedance of fundamental frequency of controlled series compensation, realizes the Dynamic controlling to transmission line of electricity impedance of fundamental frequency.Compared with fixed series compensation, controlled series compensation further increases the stability of electric device while increasing circuit transport capacity.
Developing rapidly of electric device, unit and station capacity, substation capacity, city and the load of industrial center and the continuation of load density increase, and interconnected between electric device, cause the short circuit current level in modern large electric device electrical network at different levels constantly to increase.Short-circuit current exceeds standard becomes one of major issue of threatening modern electric equipment safety to run.Except change electric network composition, series resonant-type fault current limiter device is the new approaches and the new way that solve short-circuit current excessive problem.2009, UHV (ultra-high voltage) fault current limiter device was at East China Power Grid 500kV Ping Yao electric substation hanging net operation, and this device is in engineering and applies the stage.
In current prior art, the operational reliability of the devices such as fixed series capacitors compensation system, thyristor controlled series capacitor compensation system, series resonant-type fault current limiter device and maintainability obtain extensive concern in the industry.First, the devices such as fixed series compensation are all the integrating devices be made up of multiple equipment, and its operational reliability is subject to the restriction in various degree of multiple subset and unit running status.The faults of main equipment (i.e. key equipment) such as series capacitor bank, MOV, sparking distance, bypass breaker and the reduction of operational reliability level will constitute a serious threat to going here and there normal operation of mending device, thus the consequence of these event of failures is very serious, and string generally can be caused to mend the forced outage of device.In addition, the total generic failure of the equipment such as control protective unit fault, disconnector of two redundant configuration then should not cause the forced outage that string mends device, to reduce the adverse effect to electric device.
But, in the prior art, a kind of suitable device is not also proposed to realize above-mentioned object.
Utility model content
In view of this, the purpose of this utility model is that proposition is a kind of for going here and there the repair based on condition of component on-line measuring device mending device.
What provide based on above-mentioned purpose the utility model a kind ofly mends the repair based on condition of component on-line measuring device of device for going here and there, and comprising: distributed on-line monitoring unit, network communication unit and backstage detecting unit;
Described distributed on-line monitoring unit, gathers the state parameter that each string that need monitor mends device, and sends to described network communication unit after gathered state parameter is converted to digital signal; Also for converting described digital signal to light signal and exporting;
Described network communication unit, is transmitted to described backstage detecting unit by the digital signal received from described distributed on-line monitoring unit;
Described backstage detecting unit, detects string benefit device and key device according to received state parameter;
Wherein, described distributed on-line monitoring unit comprises: laser send can measure subelement by subelement peace platform;
Described laser send energy subelement, for providing power supply to supply for described platform measuring subelement;
Described platform measuring subelement, mends the state parameter of device, and sends to described network communication unit after gathered state parameter is converted to digital signal for gathering each string that need monitor; Also for converting described digital signal to light signal and exporting;
Wherein, described platform measuring subelement comprises: checkout equipment, signal condition equipment, analog to digital conversion equipment and power converter;
Described checkout equipment, for sending Synchronous Sampling Pulse signal, gathers the state parameter that each string that need monitor mends device;
Described signal condition equipment, carries out signal condition to gathered state parameter, and the state parameter after conditioning is sent to described analog to digital conversion equipment;
Described analog to digital conversion equipment, under the control of Synchronous Sampling Pulse signal, starts sampling and the analog-digital conversion process of each passage periodically simultaneously, described state parameter is converted to digital signal, and described digital signal is sent to described network communication unit; Also for converting described digital signal to light signal and exporting;
Described power converter, comprises photovoltaic converting unit and CT gets energy and converter unit, for providing power supply for described signal condition equipment, analog to digital conversion equipment.
Preferably, described state parameter comprises:
An electric quantity information, the string of string benefit device mend the switching value information of device, the temperature presetting key equipment and parameter unbalance degree.
Preferably, described default key equipment comprises:
Capacitor banks, metal oxide pressure-limiting device, sparking distance, bypass breaker, bypass isolating switch, series connection disconnector, grounding switch and thyristor valve.
Preferably, described network communication unit is the digital channel that described distributed on-line monitoring unit and described backstage detecting unit set up point to point connect by Industrial Ethernet, CAN or dialing.
As can be seen from above, what the utility model provided mends the repair based on condition of component on-line measuring device of device for going here and there, the state parameter that each string that need monitor mends device is gathered by distributed on-line monitoring unit, and gathered state parameter is sent to backstage detecting unit, backstage detecting unit then can detect string benefit device and key device according to state parameter, therefore the running status of device and/or default key equipment can be mended by each string of on-line monitoring, so that operating personnel are in conjunction with the life characteristic of history data and key equipment, the running status of mending device and key equipment future thereof to string is made and being estimated, form the index that string mends the operational reliability of device and key equipment, the necessity of repair based on condition of component is carried out in assessment, and the scheme of issued state maintenance in good time, overcome string of the prior art and mend the defect that device/fault current limiter controls conventional operation and maintenance solution, and maintenance reference can be provided in real time for operations staff, unnecessary scheduled overhaul is reduced in the life cycle that plant running reliability is higher, avoid the blindness of scheduled overhaul, the wasting of resources preventing excessively maintenance or maintenance deficiency from causing and the harmful effect to equipment, significantly improve the reliability that string mends device, available rate, utilization factor and overhaul efficiency.
Accompanying drawing explanation
Fig. 1 be in the utility model embodiment for going here and there the structural representation of repair based on condition of component on-line measuring device mending device.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
Of the present utility model embodiments provides a kind ofly mends the repair based on condition of component on-line measuring device of device for going here and there.
Fig. 1 be in the utility model embodiment for going here and there the structural representation of repair based on condition of component on-line measuring device mending device.As shown in Figure 1, mending the repair based on condition of component on-line measuring device of device mainly comprise for going here and there in the utility model embodiment: distributed on-line monitoring unit, network communication unit and backstage detecting unit;
Described distributed on-line monitoring unit, gathers the state parameter that each string that need monitor mends device, and sends to described network communication unit after gathered state parameter is converted to digital signal; Also for converting described digital signal to light signal and exporting;
Described network communication unit, is transmitted to described backstage detecting unit by the digital signal received from described distributed on-line monitoring unit;
Described backstage detecting unit, detects string benefit device and key device according to received state parameter;
Wherein, described distributed on-line monitoring unit comprises: laser send can measure subelement by subelement peace platform;
Described laser send energy subelement, for providing power supply to supply for described platform measuring subelement;
Described platform measuring subelement, mends the state parameter of device, and sends to described network communication unit after gathered state parameter is converted to digital signal for gathering each string that need monitor; Also for converting described digital signal to light signal and exporting;
Wherein, described platform measuring subelement comprises: checkout equipment, signal condition equipment, analog to digital conversion equipment and power converter;
Described checkout equipment, for sending Synchronous Sampling Pulse signal, gathers the state parameter that each string that need monitor mends device;
Described signal condition equipment, carries out signal condition to gathered state parameter, and the state parameter after conditioning is sent to described AD conversion unit;
Described analog to digital conversion equipment, under the control of Synchronous Sampling Pulse signal, starts sampling and the analog-digital conversion process of each passage periodically simultaneously, described state parameter is converted to digital signal, and described digital signal is sent to described network communication unit; Also for converting described digital signal to light signal and exporting;
Described power converter, comprises photovoltaic converting unit and CT gets energy and converter unit, for providing power supply for described signal condition equipment, analog to digital conversion equipment.
In addition, in a specific embodiment of the present utility model, describedly mend the repair based on condition of component on-line measuring device of device can comprise for going here and there: distributed on-line monitoring unit, network communication unit and backstage detecting unit;
Wherein, described distributed on-line monitoring unit, gathers the state parameter that each string that need monitor mends device, and sends to described network communication unit after gathered state parameter is converted to digital signal; Also for converting described digital signal to light signal, and when the string benefit device that need monitor breaks down, device is mended to the string that need monitor and carries out protection operation;
Wherein, described state parameter comprises: an electric quantity information, the string of string benefit device mend the switching value information of device, the temperature presetting key equipment and parameter unbalance degree;
Described network communication unit, for described distributed on-line monitoring unit and described backstage detecting unit set up point to point connect, and is transmitted to described backstage detecting unit by the digital signal received from described distributed on-line monitoring unit;
Described backstage detecting unit, overhauls string benefit device and key device according to the historic state parameter stored in received state parameter and running state data storehouse.
Preferably, in specific embodiment of the utility model, described distributed on-line monitoring unit comprises: laser send energy subelement, platform measuring subelement and Control protection subelement; Wherein, described Control protection subelement is the Control protection subelement that string mends device; That is, described distributed on-line monitoring unit is mended device with string and is jointly used same Control protection subelement, thus achieves multiplexing to this Control protection subelement.
Described laser send energy subelement, for providing power supply to supply for described platform measuring subelement and Control protection subelement;
Described platform measuring subelement, mends the state parameter of device, and sends to described network communication unit after gathered state parameter is converted to digital signal for gathering each string that need monitor; Also for converting described digital signal to light signal, and gathered state parameter and light signal are sent to described Control protection subelement;
Described Control protection subelement, during for breaking down when the string benefit device that need monitor, mending device according to received state parameter and light signal to the string that need monitor and carrying out protection operation.
Preferably, in specific embodiment of the utility model, described platform measuring subelement comprises: checkout equipment, signal condition equipment, analog to digital conversion equipment, data processing and transmission equipment and power converter;
Described checkout equipment, for sending Synchronous Sampling Pulse signal, gathers the state parameter that each string that need monitor mends device;
Described signal condition equipment, carries out signal condition to gathered state parameter, and the state parameter after conditioning is sent to described analog to digital conversion equipment;
Described analog to digital conversion equipment, under the control of Synchronous Sampling Pulse signal, periodically start sampling and the analog-digital conversion process of each passage simultaneously, described state parameter is converted to digital signal, and described digital signal is sent to described data processing and transmission equipment and described network communication unit;
Described data processing and transmission equipment, after adopting the mode of serial described digital signal to be packed according to the communication protocol preset, send to described Control protection subelement by synchronous serial interface with the form of light signal;
Described power converter, comprises photovoltaic converting unit and CT gets energy and converter unit, for providing power supply.
Preferably, in specific embodiment of the utility model, protection operation comprises: trigger GAP, close the operations such as bypass breaker.
Preferably, in specific embodiment of the utility model, described default key equipment comprises: the equipment such as Capacitor banks, metal oxide pressure-limiting device (MOV), sparking distance (GAP), bypass breaker, bypass isolating switch, series connection disconnector, grounding switch and thyristor valve.
Preferably, in specific embodiment of the utility model, described network communication unit can, according to practical situations, be the digital channel that described distributed on-line monitoring unit and described backstage detecting unit set up point to point connect by modes such as Industrial Ethernet, CAN or dialings.
Preferably, in specific embodiment of the utility model, described backstage detecting unit also for providing human-computer interaction interface, and by described human-computer interaction interface administrative login authority, set condition parameter, generation and export inspection and repair system report, output pattern form, display data.
Preferably, in specific embodiment of the utility model, inspection and repair system report can be exported by modes such as usage trend figure, form, warning information, the aid decision making strategy of maintenance is provided.
Preferably, in specific embodiment of the utility model, described real-time repair based on condition of component strategy comprises: planned outage maintenance, unplanned outage maintenance (maintenance of stopping transport after special time delay), service without power-off, increase stand-by heat and the operation of replacing standby redundancy.
In summary, in the utility model for go here and there mend device repair based on condition of component on-line measuring device in, the state parameter of device is mended owing to gathering each string that need monitor by distributed on-line monitoring unit, and gathered state parameter is sent to backstage detecting unit, backstage detecting unit then can carry out running status assessment according to state parameter in real time, and according to the parameter that assessment result and user set, generate real-time repair based on condition of component strategy, therefore the running status of device and/or default key equipment can be mended by each string of on-line monitoring, and in conjunction with the life characteristic of history data and key equipment, the running status of mending device and key equipment future thereof to string is made and being estimated, form the index that string mends the operational reliability of device and key equipment, the necessity of repair based on condition of component is carried out in assessment, and the scheme of issued state maintenance in good time, overcome string of the prior art and mend the defect that device/fault current limiter controls conventional operation and maintenance solution, and maintenance reference can be provided in real time for operations staff, unnecessary scheduled overhaul is reduced in the life cycle that plant running reliability is higher, avoid the blindness of scheduled overhaul, the wasting of resources preventing excessively maintenance or maintenance deficiency from causing and the harmful effect to equipment, significantly improve the reliability that string mends device, available rate, utilization factor and overhaul efficiency, in addition, when the operational reliability severe exacerbation of default key equipment, also by using above-mentioned device to carry out protection operation to key equipment, maintenance can be proceeded to rapidly or change standby redundancy, prevent forced outage from causing serious impact to device, improve the security of the operation of whole device, in addition, the said apparatus in the utility model can gather reliability data, upgrades and analyze, not only can status of support service work, simultaneously can also the whole-life cycle fee of powerful support power equipment.And, device in the utility model meets domestic electric net device and runs custom, its structure opening, flexibly, be convenient to and interior miscellaneous equipment compatibility of standing, other electric quantity information of easy access and develop senior application on this basis, main circuit structure is reasonable, is convenient to device fabrication and integrated, can be generalized in the operative practice of the multiple FACTS devices such as fault current limiter.
In addition; the said apparatus provided in the utility model; can be used for fixed series capacitors compensation system (FSC), thyristor controlled series capacitor compensation system (TCSC), series resonant-type fault current limiter device (FCL) etc.; also can be extended to the control protective unit of whole flexible AC transmission device, belong to electric device Survey of Flexible AC Transmission System (FACTS) field.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle; any amendment of making, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1., for going here and there the repair based on condition of component on-line measuring device mending device, it is characterized in that, comprise: the distributed on-line monitoring unit, network communication unit and the backstage detecting unit that connect successively;
Described distributed on-line monitoring unit, gathers the state parameter that each string that need monitor mends device, and sends to described network communication unit after gathered state parameter is converted to digital signal; Also for converting described digital signal to light signal and exporting;
Described network communication unit, is transmitted to described backstage detecting unit by the digital signal received from described distributed on-line monitoring unit;
Described backstage detecting unit, detects string benefit device and key device according to received state parameter;
Wherein, described distributed on-line monitoring unit comprises: laser send can measure subelement by subelement peace platform;
Described laser send energy subelement, for providing power supply to supply for described platform measuring subelement;
Described platform measuring subelement, mends the state parameter of device, and sends to described network communication unit after gathered state parameter is carried out analog to digital conversion for gathering each string that need monitor; Also for converting described digital signal to light signal and exporting.
2. device according to claim 1, is characterized in that, described state parameter comprises:
An electric quantity information, the string of string benefit device mend the switching value information of device, the temperature presetting key equipment and parameter unbalance degree.
3. device according to claim 1, is characterized in that, described default key equipment comprises:
Capacitor banks, metal oxide pressure-limiting device, sparking distance, bypass breaker, bypass isolating switch, series connection disconnector, grounding switch and thyristor valve.
4. device according to claim 1, is characterized in that:
Described network communication unit is the digital channel that described distributed on-line monitoring unit and described backstage detecting unit set up point to point connect by Industrial Ethernet, CAN or dialing.
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| CN201420788537.4U CN204374321U (en) | 2014-12-12 | 2014-12-12 | A kind of for going here and there the repair based on condition of component on-line measuring device mending device |
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| CN201420788537.4U CN204374321U (en) | 2014-12-12 | 2014-12-12 | A kind of for going here and there the repair based on condition of component on-line measuring device mending device |
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| CN204374321U true CN204374321U (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551209A (en) * | 2018-05-09 | 2018-09-18 | 北京国网普瑞特高压输电技术有限公司 | A kind of operation method of the status monitoring integrated platform based on IEC61850 agreements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108551209A (en) * | 2018-05-09 | 2018-09-18 | 北京国网普瑞特高压输电技术有限公司 | A kind of operation method of the status monitoring integrated platform based on IEC61850 agreements |
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