CN204216666U - A kind of long-range backup auto-activating device - Google Patents
A kind of long-range backup auto-activating device Download PDFInfo
- Publication number
- CN204216666U CN204216666U CN201420730153.7U CN201420730153U CN204216666U CN 204216666 U CN204216666 U CN 204216666U CN 201420730153 U CN201420730153 U CN 201420730153U CN 204216666 U CN204216666 U CN 204216666U
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- Prior art keywords
- circuit breaker
- long
- voltage
- inlet wire
- pressure
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- 230000009191 jumping Effects 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000013307 optical fiber Substances 0.000 abstract description 4
- 230000011218 segmentation Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000004069 differentiation Effects 0.000 description 6
- 208000032368 Device malfunction Diseases 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a kind of long-range backup auto-activating device, and it comprises analog input, On-off signal output device, and analog input comprises the magnitude of current and the voltage of access; On-off signal output device comprises the position of the switch, the breaker tripping and closing order of access and has pressure/contact with no pressure.This device employing optical-fibre channel realizes the communication between each transformer station, namely in each transformer station, photoelectric conversion device is installed, connected by optical cable, carry out transmission voltage, the position of the switch, jumping/combined floodgate order, photoelectric conversion device receives the position of the switch of On-off signal output device and bus transmission has criterion with no pressure, deliver on the long-range backup auto-activating device of transformer station's access, transmit breaker tripping and closing order simultaneously.The long-range backup auto-activating device of the utility model is safe and reliable, can realize inlet wire prepared auto restart, segmentation prepared auto restart and long-range prepared auto restart function, improves power supply reliability.
Description
technical field:
The utility model belongs to electric power project engineering field, is particularly applied to the long-range backup auto-activating device of one in electricity substation.
background technology:
In electrical production and supply process, for guaranteeing power supply reliability, reduce to greatest extent and user is had a power failure, transformer station and responsible consumer generally adopt duplicate supply or many power supplys stand-by power supply mode each other, standby automatics is the intelligent control device realizing this function, and its safe and reliable operation ensures that the standby throwing of power supply is successfully crucial.Backup auto-activating device is the abbreviation of alternate power autocast operative installations, after work of transformer substation power supply is because of fault disconnection, automatically and promptly in-put of spare power supply can be gone to working or user being switched on stand-by power supply, thus user is unlikely to by a kind of automatic safety device had a power failure.
For improving power supply reliability and guaranteeing power system stability, generally use automatic throw-in equipment of emergency power supply in transformer station, realize the function of primary, spare electrical source exchange, its control object is switch in station.Along with the development of electrical network scale, power system operation mode is more flexible, various, has higher requirement to backup auto-activating device.When stand-by power supply hot standby for offside transformer station time, conventional backup auto-activating device cannot realize prepared auto restart function, needs badly and develops a kind of long-range backup auto-activating device to address this problem.
summary of the invention:
The purpose of this utility model is to provide a kind of long-range backup auto-activating device, safe and reliable, can realize inlet wire prepared auto restart, segmentation prepared auto restart and long-range prepared auto restart function, improves power supply reliability.
For realizing above-mentioned object, the technical solution of the utility model is: a kind of long-range backup auto-activating device, comprises analog input, On-off signal output device, and wherein, analog input comprises the magnitude of current and the voltage of access; On-off signal output device comprises the position of the switch, the breaker tripping and closing order of access and has pressure/contact with no pressure.
The magnitude of current of analog input comprises inlet wire 1 monophase current I
l1with inlet wire 2 monophase current I
l2, for judging switch whether tripping, preventing PT from breaking and causing backup auto-activating device malfunction.
The voltage of analog input comprises I female voltage U
a1, U
b1, U
c1, II female voltage U
a2, U
b2, U
c2, inlet wire 1 single-phase voltage U
l1and inlet wire 2 single-phase voltage U
l2, I female voltage U
a1, U
b1, U
c1with II female voltage U
a2, U
b2, U
c2pressure, differentiation with no pressure is had for bus; Inlet wire 1 single-phase voltage U
l1with inlet wire 2 single-phase voltage U
l2when using for inlet wire prepared auto restart, circuit has pressure, differentiation with no pressure.
The position of the switch of On-off signal output device comprises 1DL circuit breaker jumping position and the rear position of conjunction, 2DL circuit breaker jumping position and the rear position of conjunction, 3DL circuit breaker jumping position and the rear position of conjunction, 4DL circuit breaker jumping position and 5DL circuit breaker jumping position, carries out the differentiation of operational mode and the judgement of prepared auto restart logic; There is pressure, contact with no pressure comprises long-range prepared auto restart and throw to move back and switch handle, accelerate prepared auto restart contact, locking prepared auto restart contact and transformer station contact with no pressure, carry out controlling prepared auto restart function and throw and move back the judgement with prepared auto restart logic.
Described inlet wire 1 monophase current I
l1be connected to 1DL circuit breaker to jump position and 4DL circuit breaker and jump between position, described I female voltage U
a1, U
b1, U
c1jump position with 1DL circuit breaker to be connected, described inlet wire 1 single-phase voltage U
l1jump position with 4DL circuit breaker to be connected; Described inlet wire 2 monophase current I
l2being connected to 2DL circuit breaker jumps between position and 5DL circuit breaker, described II female voltage U
a2, U
b2, U
c2jump position with 2DL circuit breaker to be connected, described inlet wire 2 single-phase voltage U
l2jump position with 5DL circuit breaker to be connected; Described 3DL circuit breaker is jumped position and is connected to I female voltage U
a1, U
b1, U
c1with II female voltage U
a2, U
b2, U
c2between.
Long-range backup auto-activating device employing optical-fibre channel of the present utility model realizes the communication between each transformer station.In each transformer station, photoelectric conversion device is installed, connected by optical cable, carry out transmission voltage, the position of the switch, jumping/combined floodgate order, photoelectric conversion device receives the position of the switch of On-off signal output device and bus transmission has criterion with no pressure, deliver on the long-range backup auto-activating device of transformer station's access, transmit breaker tripping and closing order simultaneously.Thus this long-range backup auto-activating device can realize inlet wire prepared auto restart, segmentation prepared auto restart and long-range prepared auto restart function.
Long-range backup auto-activating device of the present utility model is safe and reliable, can meet the demand of on-the-spot various operational mode, and do not affect the reliability service of other protection, automatic safety device, prepared auto restart drops into and performance factor is high, improves power supply reliability.
accompanying drawing illustrates:
fig. 1 is the operation survey schematic diagram of the long-range backup auto-activating device of the utility model;
Fig. 2 is the optical fiber communication contact figure of the long-range backup auto-activating device of the utility model.
embodiment:
Below in conjunction with the drawings and the specific embodiments, the technical solution of the utility model is described in detail.
As shown in Figure 1, long-range backup auto-activating device, comprises analog input, On-off signal output device, and wherein, analog input comprises the magnitude of current and the voltage of access; On-off signal output device comprises the position of the switch, the breaker tripping and closing order of access and has pressure/contact with no pressure.
The magnitude of current of analog input comprises inlet wire 1 monophase current I
l1with inlet wire 2 monophase current I
l2, for judging switch whether tripping, preventing PT from breaking and causing backup auto-activating device malfunction.
The voltage of analog input comprises I female voltage U
a1, U
b1, U
c1, II female voltage U
a2, U
b2, U
c2, inlet wire 1 single-phase voltage U
l1and inlet wire 2 single-phase voltage U
l2, I female voltage U
a1, U
b1, U
c1with II female voltage U
a2, U
b2, U
c2pressure, differentiation with no pressure is had for bus; Inlet wire 1 single-phase voltage U
l1with inlet wire 2 single-phase voltage U
l2when using for inlet wire prepared auto restart, circuit has pressure, differentiation with no pressure.
The position of the switch of On-off signal output device comprises 1DL circuit breaker jumping position and the rear position of conjunction, 2DL circuit breaker jumping position and the rear position of conjunction, 3DL circuit breaker jumping position and the rear position of conjunction, 4DL circuit breaker jumping position and 5DL circuit breaker jumping position, carries out the differentiation of operational mode and the judgement of prepared auto restart logic; There is pressure, contact with no pressure comprises long-range prepared auto restart and throw to move back and switch handle, accelerate prepared auto restart contact, locking prepared auto restart contact and transformer station contact with no pressure, carry out controlling prepared auto restart function and throw and move back the judgement with prepared auto restart logic.
Described inlet wire 1 monophase current I
l1be connected to 1DL circuit breaker to jump position and 4DL circuit breaker and jump between position, described I female voltage U
a1, U
b1, U
c1jump position with 1DL circuit breaker to be connected, described inlet wire 1 single-phase voltage U
l1jump position with 4DL circuit breaker to be connected; Described inlet wire 2 monophase current I
l2being connected to 2DL circuit breaker jumps between position and 5DL circuit breaker, described II female voltage U
a2, U
b2, U
c2jump position with 2DL circuit breaker to be connected, described inlet wire 2 single-phase voltage U
l2jump position with 5DL circuit breaker to be connected; Described 3DL circuit breaker is jumped position and is connected to I female voltage U
a1, U
b1, U
c1with II female voltage U
a2, U
b2, U
c2between.
This long-range backup auto-activating device operational mode can realize inlet wire prepared auto restart, segmentation prepared auto restart and long-range prepared auto restart function, and its operational mode is as shown in table 1:
Table 1: long-range backup auto-activating device operational mode
This long-range backup auto-activating device will carry out correct operation logic, must meet relevant discharge and recharge condition, could realize respective logic function; And after meeting certain condition, device must discharge, can not malfunction with assurance device, its device discharge and recharge condition is as shown in table 2:
Table 2: long-range backup auto-activating device discharge and recharge condition
As shown in Figure 1 and Figure 2, when this device realizes long-range prepared auto restart function, its operational mode: 1DL, 2DL, 3DL, 4DL close, and 5DL divides; Charge condition: corresponding function pressing plate drops into; I is female, II is female all has pressure; Remote link 1 contact with no pressure without open into; 4DL jumps position, 5DL co-bit, 1DL, 2DL and 3DL co-bit and open after having conjunction into; Without the long-range prepared auto restart input of locking.Its action logic: I, II mother is with no pressure, remote link 1 contact with no pressure without open into and I
l2without stream, 2DL is jumped in time delay; After confirming 2DL tripping, regain 2DL trip signal; Other equipment of Ruo Lianqie controls from dropping into, then also need to check to join the whether tripping of the equipment cut.Send out 4DL closing pulse finally by time delay, and send long-range backup auto-activating device conjunction 4DL actuating signal.
Long-range backup auto-activating device is used in transformer station 1, transformer station 2, transformer station 3, transformer station 1 and transformer station 3 access busbar voltage respectively, the intake of this long-range backup auto-activating device is comprised each position of the switch and transformer station 1, transformer station 3 contact with no pressure, the position of the switch, transformer station 2 side is connected on long-range backup auto-activating device by cable in-site collecting; Transformer station 1, transformer station 3 contact with no pressure are connected on long-range backup auto-activating device by photoelectric conversion device, transmission voltage, the position of the switch, jumping/combined floodgate order; This long-range backup auto-activating device the amount of outputing comprise close a floodgate order, trip signal etc., wherein 4DL circuit breaker jumps position, the combined floodgate order of 5DL circuit breaker jumping position reaches transformer station 1, transformer station 3 by photoelectric conversion device, optical-fibre channel.Therefore, two power supplys stand-by heat in transformer station 1 or transformer station 2 of transformer station 2, run power failure and unsuccessful reclosing time, complete long-range prepared auto restart action logic, the circuit breaker of close transformer station 1 or transformer station 3, thus improve the reliability of power supply.
Claims (2)
1. a long-range backup auto-activating device, is characterized in that: comprise analog input, On-off signal output device, and analog input comprises the magnitude of current and the voltage of access; On-off signal output device comprises the position of the switch, the breaker tripping and closing order of access and has pressure/contact with no pressure; Wherein:
The magnitude of current of analog input comprises inlet wire 1 monophase current I
l1with inlet wire 2 monophase current I
l2;
The voltage of analog input comprises I female voltage U
a1, U
b1, U
c1, II female voltage U
a2, U
b2, U
c2, inlet wire 1 single-phase voltage U
l1and inlet wire 2 single-phase voltage U
l2;
The position of the switch of On-off signal output device comprises 1DL circuit breaker jumping position and the rear position of conjunction, 2DL circuit breaker jumping position and the rear position of conjunction, 3DL circuit breaker jumping position and the rear position of conjunction, 4DL circuit breaker jumping position and 5DL circuit breaker jumping position.
2. the long-range backup auto-activating device of one according to claim 1, is characterized in that: described inlet wire 1 monophase current I
l1be connected to 1DL circuit breaker to jump position and 4DL circuit breaker and jump between position, described I female voltage U
a1, U
b1, U
c1jump position with 1DL circuit breaker to be connected, described inlet wire 1 single-phase voltage U
l1jump position with 4DL circuit breaker to be connected; Described inlet wire 2 monophase current I
l2being connected to 2DL circuit breaker jumps between position and 5DL circuit breaker, described II female voltage U
a2, U
b2, U
c2jump position with 2DL circuit breaker to be connected, described inlet wire 2 single-phase voltage U
l2jump position with 5DL circuit breaker to be connected; Described 3DL circuit breaker is jumped position and is connected to I female voltage U
a1, U
b1, U
c1with II female voltage U
a2, U
b2, U
c2between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730153.7U CN204216666U (en) | 2014-11-26 | 2014-11-26 | A kind of long-range backup auto-activating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730153.7U CN204216666U (en) | 2014-11-26 | 2014-11-26 | A kind of long-range backup auto-activating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216666U true CN204216666U (en) | 2015-03-18 |
Family
ID=52985301
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|---|---|---|---|
| CN201420730153.7U Expired - Fee Related CN204216666U (en) | 2014-11-26 | 2014-11-26 | A kind of long-range backup auto-activating device |
Country Status (1)
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|---|---|
| CN (1) | CN204216666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333125A (en) * | 2014-11-26 | 2015-02-04 | 国网宁夏电力公司固原供电公司 | Long-distance automatic stand-by power switching device |
-
2014
- 2014-11-26 CN CN201420730153.7U patent/CN204216666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333125A (en) * | 2014-11-26 | 2015-02-04 | 国网宁夏电力公司固原供电公司 | Long-distance automatic stand-by power switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20171126 |