CN105244992A - Remote backup power supply automatic switching method and system - Google Patents
Remote backup power supply automatic switching method and system Download PDFInfo
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- CN105244992A CN105244992A CN201510550886.1A CN201510550886A CN105244992A CN 105244992 A CN105244992 A CN 105244992A CN 201510550886 A CN201510550886 A CN 201510550886A CN 105244992 A CN105244992 A CN 105244992A
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to relates to the technical field of electric power, and particularly relates to a remote backup power supply automatic switching method and system. The method comprises the steps that voltage loss occurs on an operation side transformer station and the fault identification module of an operation side backup power automatic switching device does not identify the protection action of the operation side transformer station for blocking operation side backup power automatic switching, and a backup side interconnection switch closing request signal is transmitted to a backup side backup power automatic switching device; the backup side backup power automatic switching device judges whether a backup side interconnection switch meets the closing condition, and a backup side interconnection switch closing allowing signal is transmitted to the operation side backup power automatic switching device if the judgment result is yes; an operation side main power supply incoming switch is tripped off by the operation side backup power automatic switching device, and a closing confirmation signal is transmitted to the backup side backup power automatic switching device; and the backup side interconnection switch is closed so that a backup side transformer station is enabled to supply power to an operation side bus. The remote backup power supply automatic switching method and system are suitable for the working conditions with interconnection wires between the transformer stations, and the functions of mutual backup between the transformer stations and remote automatic switching can be realized on the basis of an existing backup power automatic switching system so that compatibility is high and maintainability is high.
Description
Technical field
The present invention relates to technical field of electric power, be specifically related to a kind of distant place stand-by power supply automatic switching method and system.
Background technology
Along with the development of town and country construction, the requirement of user to power supply reliability is more and more higher, this has higher requirement just to the quality of original power supplying and distributing equipment and the reliability of supply and distribution network, and the original power supply network major part of joining of China adopts radiation to power, this supply power mode disadvantage is more, once break down in somewhere, the large-area power-cuts of whole piece circuit will be caused, and interruption duration is longer, poor reliability, for a change this situation, can take to set up interconnection between station between Liang Ge transformer station, thus substantially increase distribution network power supply reliability.
The automatic closing cutting apparatus of domestic routine, segmentation (bridge) can be provided to haul oneself willingly into, inlet wire is hauled oneself willingly into haul oneself willingly into transformer etc. and is hauled oneself willingly into mode, the various functional realiey hauling oneself willingly into mode relies on the position of service entrance switch and segmentation (bridge) switch, conventional backup auto-activating device is applied in be had in the electrical network of interconnection, there is the limitation that it is certain, one, stricter to respective switch position criterion owing to hauling oneself willingly into mode, the backup auto-activating device of open loop point is only had to charge, the backup auto-activating device of other points can not charge, tradition prepared auto restart is difficult to play a role, they are two years old, during system jam, the tripping of main power supply switch, prepared auto restart action, there is the possibility that interconnection switch cannot close a floodgate, they are three years old, traditional local backup auto-activating device is generally only applicable on two inlet wires in transformer station, and be not suitable for there is interconnection Liang Ge transformer station between.
Summary of the invention
The object of the invention is to propose a kind of distant place stand-by power supply automatic switching method and system, be applicable between transformer station, be with interconnection operating mode, on the basis of existing spare power automatic switching system, realize between transformer station for subsequent use each other, the function of distant place automatic switching is compatible strong, maintainable high.
For reaching this object, the present invention by the following technical solutions:
As one aspect of the present invention, a kind of distant place stand-by power supply automatic switching method provided, comprising:
S10, operation side substation power loss, and the unidentified protection act having locking operation side prepared auto restart to operation side transformer station of the Fault Identification module running side backup auto-activating device, send prepped side interconnection switch combined floodgate request signal to prepped side backup auto-activating device;
S20, prepped side backup auto-activating device judge whether prepped side interconnection switch possesses combined floodgate condition after receiving described prepped side interconnection switch combined floodgate request signal, if so, send prepped side interconnection switch to operation side backup auto-activating device and allow switching signal;
After S30, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch, and sends confirmation switching signal to prepped side backup auto-activating device;
S40, closed prepped side interconnection switch, make prepped side transformer station power to operation side bus.
Preferably, communication is carried out by optical fiber communication device between described operation side transformer station and prepped side transformer station.
Preferably, also comprised before step S10:
When S01, prepped side transformer station normal open-loop are run, send prepped side interconnection switch and allow switching signal, via optical fiber communication device teletransmission to running side transformer station, running after side backup auto-activating device receives described prepped side interconnection switch permission switching signal and charging.
Preferably, the charge condition of described operation side backup auto-activating device also comprises: remote spare power source automatic transfer pressing plate drops into, remote spare power source automatic transfer change over switch points to a distant place, remote spare power source automatic transfer setting value is set to drop into, operation side I section bus, II section bus all have pressure, run side main power supply service entrance switch, run side block switch and run the equal co-bit of side interconnection switch and after being in conjunction, open into, discharge off condition without locking prepared auto restart.
Preferably, described optical fiber communication device is direct-connected optical fiber.
Preferably, described step S30 specifically comprises:
After S31, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch;
S32, judge whether described cutting load pressing plate drops into;
If the described cutting load pressing plate of S33 drops into, then tripping and described operation side main power supply service entrance switch join the on-load switch of jumping, and enter step S35 after the time that time delay is preset;
If the described cutting load pressing plate of S34 exits, then enter step S35 after the time that time delay is preset;
S35, to prepped side backup auto-activating device send confirm switching signal.
Preferably, the combined floodgate condition of described prepped side interconnection switch comprises: prepped side interconnection switch closing pressing plate drops into, and interconnection is with no pressure, runs side I section bus, II section bus has pressure, close prepped side interconnection switch open into.
Preferably, the permission combined floodgate condition of described prepped side interconnection switch comprises: prepped side interconnection switch allows closing pressing plate to drop into, prepped side I section bus, II section bus have pressure, fortune prepped side main power supply service entrance switch co-bit, prepped side block switch co-bit, prepped side interconnection switch jump position, without locking prepared auto restart open into.
As another aspect of the present invention, a kind of distant place stand-by power supply automatic switching system provided, comprise: run side transformer station, prepped side transformer station, communication is carried out by optical fiber communication device between described operation side transformer station and prepped side transformer station, be provided with interconnection between described operation side transformer station and prepped side transformer station, comprise in described operation side transformer station: run side main power supply service entrance switch, run side block switch, run side interconnection switch, run side I section bus and II section bus; Comprise in described prepped side transformer station: prepped side main power supply service entrance switch, prepped side block switch, prepped side interconnection switch, prepped side I section bus and II section bus.
Preferably, also comprise:
Running side main power supply primary voltage instrument transformer, running side main power supply primary voltage for detecting;
Running side I section bus-bar potential transformer, running side I section busbar voltage for detecting;
Running side II section bus-bar potential transformer, running side II section busbar voltage for detecting;
Running side interconnection voltage transformer, running side interconnection voltage for detecting;
Prepped side main power supply primary voltage instrument transformer, for detecting prepped side main power supply primary voltage;
Prepped side I section bus-bar potential transformer, for detecting prepped side I section busbar voltage;
Prepped side II section bus-bar potential transformer, for detecting prepped side II section busbar voltage;
Prepped side interconnection voltage transformer, for detecting prepped side interconnection voltage;
Running side I section busbar current transformer, running side I section bus current for detecting;
Running side II section busbar current transformer, running side II section bus current for detecting;
Prepped side I section busbar current transformer, for detecting prepped side I section bus current;
Prepped side II section busbar current transformer, for detecting prepped side II section bus current.
Beneficial effect of the present invention is: a kind of distant place stand-by power supply automatic switching method and system, the method comprises: run side substation power loss, and the unidentified protection act having locking operation side prepared auto restart to operation side transformer station of the Fault Identification module running side backup auto-activating device, send prepped side interconnection switch combined floodgate request signal to prepped side backup auto-activating device; Prepped side backup auto-activating device judges whether prepped side interconnection switch possesses combined floodgate condition after receiving described prepped side interconnection switch combined floodgate request signal, if so, sends prepped side interconnection switch to operation side backup auto-activating device and allows switching signal; After operation side backup auto-activating device receives described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch, and sends confirmation switching signal to prepped side backup auto-activating device; Closed prepped side interconnection switch, prepped side transformer station is powered to operation side bus, and the present invention is applicable to be with interconnection operating mode between transformer station, on the basis of existing spare power automatic switching system, realize between transformer station for subsequent use each other, the function of distant place automatic switching, compatible strong, maintainable high.
Accompanying drawing explanation
Fig. 1 is a kind of distant place stand-by power supply automatic switching method flow diagram that the embodiment of the present invention one provides.
Fig. 2 is a kind of distant place stand-by power supply automatic switching system main wiring diagram that the embodiment of the present invention two provides.
Fig. 3 is the remote spare power source automatic transfer action logic figure that the embodiment of the present invention one provides.
Fig. 4 is the concrete grammar flow chart of step S30 in Fig. 1.
Fig. 5 is the remote spare power source automatic transfer interconnection switch combined floodgate logic diagram that the embodiment of the present invention one provides.
Fig. 6 is that the remote spare power source automatic transfer interconnection switch that the embodiment of the present invention one provides allows combined floodgate logic diagram.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with Fig. 1-Fig. 6.
Embodiment one
Fig. 1 is a kind of distant place stand-by power supply automatic switching method flow diagram that the embodiment of the present invention provides.
A kind of distant place stand-by power supply automatic switching method, comprising:
S10, operation side substation power loss, and the unidentified protection act having locking operation side prepared auto restart to operation side transformer station of the Fault Identification module running side backup auto-activating device, send prepped side interconnection switch combined floodgate request signal to prepped side backup auto-activating device;
S20, prepped side backup auto-activating device judge whether prepped side interconnection switch possesses combined floodgate condition after receiving described prepped side interconnection switch combined floodgate request signal, if so, send prepped side interconnection switch to operation side backup auto-activating device and allow switching signal;
After S30, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch, and sends confirmation switching signal to prepped side backup auto-activating device;
S40, closed prepped side interconnection switch, make prepped side transformer station power to operation side bus.
In the present embodiment, carry out communication between described operation side transformer station and prepped side transformer station by optical fiber communication device, in the present embodiment, described optical fiber communication device is direct-connected optical fiber.
In the present embodiment, this method is applicable to be with interconnection operating mode between transformer station, as shown in the main wiring diagram of Fig. 2, 1# transformer station is communicated with by interconnection with 2# transformer station, using 1# transformer station as operation side transformer station, 2# transformer station is as prepped side transformer station, when normally running, run side main power supply service entrance switch 1-1DL co-bit, run side block switch 1-3DL co-bit, run side interconnection switch 1-2DL co-bit, prepped side main power supply service entrance switch 2-1DL co-bit, prepped side block switch 2-3DL co-bit, prepped side interconnection switch 2-2DL divide position, 1# transformer station is powered by inlet wire 1, now be arranged at the operation side backup auto-activating device run in the transformer station of side and start charging, charging complete within the time of presetting, when inlet wire 1 breaks down or other faults cause running side substation power loss, and the unidentified protection act having locking operation side prepared auto restart to operation side transformer station of the Fault Identification module running side backup auto-activating device, prepped side interconnection switch 2-2DL combined floodgate request signal is sent to prepped side backup auto-activating device, after prepped side backup auto-activating device receives described prepped side interconnection switch 2-2DL combined floodgate request signal, judge whether prepped side interconnection switch 2-2DL possesses combined floodgate condition, if so, send prepped side interconnection switch 2-2DL to operation side backup auto-activating device and allow switching signal, after operation side backup auto-activating device receives described prepped side interconnection switch 2-2DL permission switching signal, tripping runs side main power supply service entrance switch 1-1DL, and sends confirmation switching signal to prepped side backup auto-activating device, closed prepped side interconnection switch 2-2DL, makes prepped side transformer station power to operation side bus, and sends prepared auto restart action settling signal.
In prior art, traditional local backup auto-activating device is generally only applicable on two inlet wires in transformer station, and be not suitable for there is interconnection Liang Ge transformer station between, in the present embodiment, by introduce on the basis of local backup auto-activating device optical fiber communication device stand between communication, and then distant place stand-by power supply automatic switching function is realized on the Information base merging Liang Ge transformer station, and the remote spare power source automatic transfer method in the present embodiment realizes in operation side, run side and only need send a conjunction interconnection switching signal to prepped side; Prepped side sends one only need to operation side can start remote spare power source automatic transfer signal, and clear logic is simple, easy to maintenance, compatible strong.
In the present embodiment, as shown in Figure 3, wherein, d161 represents remote spare power source automatic transfer action logic figure: YFBZT (remote spare power source automatic transfer) cuts the working power time limit; D162 represents: YFBZT joins cutting load throwing and moves back; D163 represents: YFBZT joins the cutting load time limit; D164 represents: YFBZT closes the time limit for subsequent use.
In the present embodiment, the of ac that need introduce of remote spare power source automatic transfer and intake as shown in table 1:
The of ac that table 1 remote spare power source automatic transfer need be introduced and intake
In the present embodiment, also comprised before step S10:
When S01, prepped side transformer station normal open-loop are run, send prepped side interconnection switch and allow switching signal, via optical fiber communication device teletransmission to running side transformer station, running after side backup auto-activating device receives described prepped side interconnection switch permission switching signal and charging.
In the present embodiment, the charge condition of described operation side backup auto-activating device also comprises: remote spare power source automatic transfer pressing plate drops into, remote spare power source automatic transfer change over switch points to a distant place, remote spare power source automatic transfer setting value is set to drop into, operation side I section bus, II section bus all have pressure, run side main power supply service entrance switch, run side block switch and run the equal co-bit of side interconnection switch and after being in conjunction, open into, discharge off condition without locking prepared auto restart.
Wherein, discharge and recharge condition is as shown in table 2:
Table 2 remote automatic bus transfer equipment discharge and recharge condition
Wherein, d160 is remote spare power source automatic transfer setting value.
As shown in Figure 4, in the present embodiment, described step S30 specifically comprises:
After S31, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch;
S32, judge whether described cutting load pressing plate drops into;
If the described cutting load pressing plate of S33 drops into, then tripping and described operation side main power supply service entrance switch join the on-load switch of jumping, and enter step S35 after the time that time delay is preset;
If the described cutting load pressing plate of S34 exits, then enter step S35 after the time that time delay is preset;
S35, to prepped side backup auto-activating device send confirm switching signal.
As shown in Figure 5, in the present embodiment, the combined floodgate condition of described prepped side interconnection switch 2-2DL comprises: prepped side interconnection switch closing pressing plate drops into, and interconnection is with no pressure, operation side I section bus, II section bus have pressure, close prepped side interconnection switch open into, wherein, d888 is that interconnection switch closing pressing plate is thrown and moved back, wherein, described conjunction prepped side interconnection switch is opened the conjunction 2-2DL come from Fig. 3 and is outputed, and F129 represents interconnection switch feed motion, this actuating signal is sent to central signal simultaneously.
As shown in Figure 6, in the present embodiment, the permission combined floodgate condition of described prepped side interconnection switch 2-2DL comprises: prepped side interconnection switch allows closing pressing plate to drop into, prepped side I section bus, II section bus have pressure, prepped side main power supply service entrance switch 2-1DL co-bit, prepped side block switch 2-3DL co-bit, prepped side interconnection switch 2-2DL jumps position, without locking prepared auto restart open into, wherein, d887 is that prepped side interconnection switch allows closing pressing plate throwing to move back, and F128 represents that interconnection switch allows combined floodgate to output, and this is outputed signal simultaneously and is sent to central signal.
Embodiment two
As shown in Figure 2, a kind of distant place stand-by power supply automatic switching system, comprise: run side transformer station, prepped side transformer station, communication is carried out by optical fiber communication device between described operation side transformer station and prepped side transformer station, be provided with interconnection between described operation side transformer station and prepped side transformer station, comprise in described operation side transformer station: run side main power supply service entrance switch 1-1DL, run side block switch 1-3DL, run side interconnection switch 1-2DL, run side I section bus and II section bus; Comprise in described prepped side transformer station: prepped side main power supply service entrance switch 2-1DL, prepped side block switch 2-3DL, prepped side interconnection switch 2-2DL, prepped side I section bus and II section bus.
In the present embodiment, also comprise:
Running side main power supply primary voltage instrument transformer 1-UL1, running side main power supply primary voltage for detecting;
Running side I section bus-bar potential transformer 1-Uab1,1-Ubc1, running side I section busbar voltage for detecting;
Running side II section bus-bar potential transformer 1-Uab2,1-Ubc2, running side II section busbar voltage for detecting;
Running side interconnection voltage transformer 1-UL2, running side interconnection voltage for detecting;
Prepped side main power supply primary voltage instrument transformer 2-UL1, for detecting prepped side main power supply primary voltage;
Prepped side I section bus-bar potential transformer 2-Uab1,2-Ubc1, for detecting prepped side I section busbar voltage;
Prepped side II section bus-bar potential transformer 2-Uab2,2-Ubc2, for detecting prepped side II section busbar voltage;
Prepped side interconnection voltage transformer 2-UL2, for detecting prepped side interconnection voltage;
Running side I section busbar current transformer 1-IL1, running side I section bus current for detecting;
Running side II section busbar current transformer 1-IL2, running side II section bus current for detecting;
Prepped side I section busbar current transformer 2-IL1, for detecting prepped side I section bus current;
Prepped side II section busbar current transformer 2-IL2, for detecting prepped side II section bus current.
The foregoing is only the specific embodiment of the present invention, these describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific implementation method of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a distant place stand-by power supply automatic switching method, is characterized in that, comprising:
S10, operation side substation power loss, and the unidentified protection act having locking operation side prepared auto restart to operation side transformer station of the Fault Identification module running side backup auto-activating device, send prepped side interconnection switch combined floodgate request signal to prepped side backup auto-activating device;
S20, prepped side backup auto-activating device judge whether prepped side interconnection switch possesses combined floodgate condition after receiving described prepped side interconnection switch combined floodgate request signal, if so, send prepped side interconnection switch to operation side backup auto-activating device and allow switching signal;
After S30, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch, and sends confirmation switching signal to prepped side backup auto-activating device;
S40, closed prepped side interconnection switch, make prepped side transformer station power to operation side bus.
2. an a kind of distant place according to claim 1 stand-by power supply automatic switching method, is characterized in that, carry out communication between described operation side transformer station and prepped side transformer station by optical fiber communication device.
3. an a kind of distant place according to claim 2 stand-by power supply automatic switching method, is characterized in that, also comprised before step S10:
When S01, prepped side transformer station normal open-loop are run, send prepped side interconnection switch and allow switching signal, via optical fiber communication device teletransmission to running side transformer station, running after side backup auto-activating device receives described prepped side interconnection switch permission switching signal and charging.
4. an a kind of distant place according to claim 3 stand-by power supply automatic switching method, it is characterized in that, the charge condition of described operation side backup auto-activating device also comprises: remote spare power source automatic transfer pressing plate drops into, remote spare power source automatic transfer change over switch points to a distant place, remote spare power source automatic transfer setting value is set to drop into, operation side I section bus, II section bus all have pressure, run side main power supply service entrance switch, run side block switch and run the equal co-bit of side interconnection switch and after being in conjunction, open into, discharge off condition without locking prepared auto restart.
5. an a kind of distant place according to claim 2 stand-by power supply automatic switching method, it is characterized in that, described optical fiber communication device is direct-connected optical fiber.
6. an a kind of distant place according to claim 1 stand-by power supply automatic switching method, it is characterized in that, described step S30 specifically comprises:
After S31, operation side backup auto-activating device receive described prepped side interconnection switch permission switching signal, tripping runs side main power supply service entrance switch;
S32, judge whether described cutting load pressing plate drops into;
If the described cutting load pressing plate of S33 drops into, then tripping and described operation side main power supply service entrance switch join the on-load switch of jumping, and enter step S35 after the time that time delay is preset;
If the described cutting load pressing plate of S34 exits, then enter step S35 after the time that time delay is preset;
S35, to prepped side backup auto-activating device send confirm switching signal.
7. an a kind of distant place according to claim 1 stand-by power supply automatic switching method, it is characterized in that, the combined floodgate condition of described prepped side interconnection switch comprises: prepped side interconnection switch closing pressing plate drops into, interconnection is with no pressure, run side I section bus, II section bus have pressure, close prepped side interconnection switch open into.
8. an a kind of distant place according to claim 1 stand-by power supply automatic switching method, it is characterized in that, the permission combined floodgate condition of described prepped side interconnection switch comprises: prepped side interconnection switch allows closing pressing plate to drop into, prepped side I section bus, II section bus have pressure, fortune prepped side main power supply service entrance switch co-bit, prepped side block switch co-bit, prepped side interconnection switch jump position, without locking prepared auto restart open into.
9. a distant place stand-by power supply automatic switching system, it is characterized in that, comprise: run side transformer station, prepped side transformer station, communication is carried out by optical fiber communication device between described operation side transformer station and prepped side transformer station, be provided with interconnection between described operation side transformer station and prepped side transformer station, comprise in described operation side transformer station: run side main power supply service entrance switch, run side block switch, run side interconnection switch, run side I section bus and II section bus; Comprise in described prepped side transformer station: prepped side main power supply service entrance switch, prepped side block switch, prepped side interconnection switch, prepped side I section bus and II section bus.
10. an a kind of distant place according to claim 9 stand-by power supply automatic switching system, is characterized in that, also comprise:
Running side main power supply primary voltage instrument transformer, running side main power supply primary voltage for detecting;
Running side I section bus-bar potential transformer, running side I section busbar voltage for detecting;
Running side II section bus-bar potential transformer, running side II section busbar voltage for detecting;
Running side interconnection voltage transformer, running side interconnection voltage for detecting;
Prepped side main power supply primary voltage instrument transformer, for detecting prepped side main power supply primary voltage;
Prepped side I section bus-bar potential transformer, for detecting prepped side I section busbar voltage;
Prepped side II section bus-bar potential transformer, for detecting prepped side II section busbar voltage;
Prepped side interconnection voltage transformer, for detecting prepped side interconnection voltage;
Running side I section busbar current transformer, running side I section bus current for detecting;
Running side II section busbar current transformer, running side II section bus current for detecting;
Prepped side I section busbar current transformer, for detecting prepped side I section bus current;
Prepped side II section busbar current transformer, for detecting prepped side II section bus current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550886.1A CN105244992A (en) | 2015-09-01 | 2015-09-01 | Remote backup power supply automatic switching method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550886.1A CN105244992A (en) | 2015-09-01 | 2015-09-01 | Remote backup power supply automatic switching method and system |
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| CN106100139A (en) * | 2016-08-19 | 2016-11-09 | 国网浙江省电力公司 | A kind of prepared auto restart and cutting load coordinated control system and inter-linked controlling method |
| CN107508278A (en) * | 2017-08-02 | 2017-12-22 | 国网上海市电力公司 | A kind of standby throwing method for not needing line voltage distribution |
| CN109004734A (en) * | 2017-06-06 | 2018-12-14 | 苏州热工研究院有限公司 | A kind of nuclear power station auxiliary standby power source automatic switching system and method |
| CN109510299A (en) * | 2018-11-05 | 2019-03-22 | 国电南瑞科技股份有限公司 | Fault identification and decision system under a kind of Heavy-haul Freight railway over-zone feeding mode |
| CN112636452A (en) * | 2020-12-14 | 2021-04-09 | 北京四方继保工程技术有限公司 | Wide-area spare power automatic switching implementation method based on GOOSE communication |
| CN113964930A (en) * | 2021-11-08 | 2022-01-21 | 国网湖南省电力有限公司 | Automatic standby power supply switching cooperative control method and system for series power supply transformer substation |
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| CN112636452A (en) * | 2020-12-14 | 2021-04-09 | 北京四方继保工程技术有限公司 | Wide-area spare power automatic switching implementation method based on GOOSE communication |
| CN113964930A (en) * | 2021-11-08 | 2022-01-21 | 国网湖南省电力有限公司 | Automatic standby power supply switching cooperative control method and system for series power supply transformer substation |
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