CN204538802U - Middle pressure power transmission and distribution automatic switching control system - Google Patents
Middle pressure power transmission and distribution automatic switching control system Download PDFInfo
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- CN204538802U CN204538802U CN201520191313.XU CN201520191313U CN204538802U CN 204538802 U CN204538802 U CN 204538802U CN 201520191313 U CN201520191313 U CN 201520191313U CN 204538802 U CN204538802 U CN 204538802U
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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
- 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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Abstract
The utility model relates to middle pressure power transmission and distribution automatic switching control system, comprise and control rack and PLC, the cabinet of control rack is arranged the select button of touch-screen and switching/releasing, PLC is arranged at and controls in rack, be connected by communication cable with touch-screen, and control cable with select button by first and be connected; PLC controls cable by second and feeds out with first via bus, the second road bus, the first incoming power, the second incoming power, first respectively to feed out with circuit breaker, second and be connected with circuit breaker, the first lead-in circuit breaker, the second lead-in circuit breaker and bus, with according to their state to the first incoming power, the second incoming power, the first transmission line circuit, the second transmission line circuit or/and bus closes a floodgate or sub-switching operation.The utility model can make at least for subsequent use each other between two-way incoming power automatically.
Description
Technical field
The utility model relates to technical field of electric power automation, specifically, relates to press power transmission and distribution automatic switching control system in one.
Background technology
At present, in some important electricity consumption places, such as data center, in order to ensure the reliability of electricity consumption, middle pressure primary system is except use two-way mains-supplied power supply, and in generally using, Hair Fixer group of motors is as stand-by power supply.
The middle pressure primary system of a prior art as shown in Figure 1, it is the control system of two-way incoming power one tunnel mother, comprises first via bus 1, second road bus 2, first incoming power 3, second incoming power 4 and bus 7.First via bus 1 is connected with multiple first transmission line circuit L11 ~ L117, each first transmission line circuit is provided with one first and feeds out with circuit breaker 8.Second road bus 2 is connected with multiple second transmission line circuit L21 ~ L217, each second transmission line circuit is provided with one second and feeds out with circuit breaker 9.First incoming power 3 is connected with first via bus 1 by one first lead-in circuit breaker 5.Second incoming power 4 is connected with the second road bus 2 by one second lead-in circuit breaker 6.Bus 7 is connected between first via bus 1 and the second road bus 2.
The middle pressure primary system of another prior art as shown in Figure 2, the control system of inlet wire one tunnel, Qi Wei tetra-road mother, comprises first via bus 1, second road bus 2, first incoming power 3, second incoming power 4 and bus 7.First via bus 1 is connected with multiple first transmission line circuit L11 ~ L117, each first transmission line circuit is provided with one first and feeds out with circuit breaker 8.Second road bus 2 is connected with multiple second transmission line circuit L21 ~ L217, each second transmission line circuit is provided with one second and feeds out with circuit breaker 9.First incoming power 3 is connected with first via bus 1 by one first lead-in circuit breaker 5.Second incoming power 4 is connected with the second road bus 2 by one second lead-in circuit breaker 6.Bus 7 is connected between first via bus 1 and the second road bus 2.First incoming power 3 comprises first mains supply 31 and one first emergency power supply 32 of a 6-35kV, second incoming power 4 comprises second mains supply 41 and one second emergency power supply 42 of a 6-35kV, first lead-in circuit breaker 5 comprises the first civil power lead-in circuit breaker 51 and the first emergent lead-in circuit breaker 52, second lead-in circuit breaker 6 comprises the second civil power lead-in circuit breaker 61 and the second emergent lead-in circuit breaker 62.
The middle pressure primary system of a prior art more as shown in Figure 3, the control system of inlet wire one tunnel, Qi Wei six road mother, comprises first via bus 1, second road bus 2, first incoming power 3, second incoming power 4 and bus 7.First via bus 1 is connected with multiple first transmission line circuit L11 ~ L117, each first transmission line circuit is provided with one first and feeds out with circuit breaker 8.Second road bus 2 is connected with multiple second transmission line circuit L21 ~ L217, each second transmission line circuit is provided with one second and feeds out with circuit breaker 9.First incoming power 3 is connected with first via bus 1 by one first lead-in circuit breaker 5.Second incoming power 4 is connected with the second road bus 2 by one second lead-in circuit breaker 6.Bus 7 is connected between first via bus 1 and the second road bus 2.First incoming power 3 comprises the first mains supply 31 and two first emergency power supplies 32 of a 6-35kV, second incoming power 4 comprises the second mains supply 41 and two second emergency power supplies 42 of a 6-35kV, first lead-in circuit breaker 5 comprises the first civil power lead-in circuit breaker 51 and two first emergent lead-in circuit breaker 52, second lead-in circuit breakers 6 comprise the second civil power lead-in circuit breaker 61 and two second emergent lead-in circuit breakers 62.
Above-mentioned middle pressure primary system all adopts segmentation single busbar connection, and every section of bus introduces a road mains supply, arranges bus between riches all the way group of motors power supply, two sections of buses.During normal operation, two sections of buses use two-way mains powered respectively, bus is in open position, when wherein there is dead electricity in a power supply, require pass through manual operation disengagement failure power supply during switching, and closing operation is carried out to bus, power to two sections of buses by a road power supply.Owing to controlling to pass through manual operation, cannot process in time power failure, Just because of this, certainly exist the defect that power failure causes load cannot run for a long time, and, when two power supplys all have fault, have the defect that load thoroughly cannot run, and, also there is the defect that cannot adjust load use according to bus situation flexibly.
Utility model content
The purpose of this utility model is for Problems existing in existing electrical power distribution system, provides in one and presses power transmission and distribution automatic switching control system.
To achieve these goals, the middle pressure power transmission and distribution automatic switching control system that the utility model provides, for middle pressure primary system, described middle pressure primary system comprises first via bus, the second road bus, the first incoming power, the second incoming power and bus, described first via bus is connected with multiple first transmission line circuit, each first transmission line circuit is provided with one first and feeds out with circuit breaker; Described second road bus is connected with multiple second transmission line circuit, each second transmission line circuit is provided with one second and feeds out with circuit breaker; Described first incoming power is connected with described first via bus by one first lead-in circuit breaker; Described second incoming power is connected with described second road bus by one second lead-in circuit breaker; Described middle pressure power transmission and distribution automatic switching control system comprises:
Control rack, its cabinet is arranged the select button of touch-screen and switching/releasing; And
PLC, is arranged in described control rack, is connected with described touch-screen by communication cable, and controls cable with described select button by first and be connected;
Wherein, described PLC controls cable by second and feeds out with described first via bus, described second road bus, described first incoming power, described second incoming power, described first respectively to feed out with circuit breaker, described second and be connected with circuit breaker, described first lead-in circuit breaker, described second lead-in circuit breaker and described bus, with according to their state to described first incoming power, described second incoming power, described first transmission line circuit, described second transmission line circuit or/and described bus closes a floodgate or sub-switching operation.
Above-mentioned middle pressure power transmission and distribution automatic switching control system, wherein, described PLC controls cable by the 3rd and is connected with an electric power monitoring system.
Above-mentioned middle pressure power transmission and distribution automatic switching control system, wherein, described PLC is two covers.
Above-mentioned middle pressure power transmission and distribution automatic switching control system, wherein, described PLC connects a ups power, and described ups power is arranged in described control rack.
Above-mentioned middle pressure power transmission and distribution automatic switching control system, wherein, described first incoming power comprises first mains supply of a 6-35kV and at least one first emergency power supply, described second incoming power comprises second mains supply of a 6-35kV and at least one second emergency power supply, described first lead-in circuit breaker comprises the first civil power lead-in circuit breaker and the first emergent lead-in circuit breaker, described second lead-in circuit breaker comprises the second civil power lead-in circuit breaker and the second emergent lead-in circuit breaker, described first mains supply, described first emergency power supply, described second mains supply, described second emergency power supply, described first civil power lead-in circuit breaker, described first emergent lead-in circuit breaker, described second civil power lead-in circuit breaker, described second emergent lead-in circuit breaker controls cable by each self-corresponding second and is connected with described PLC.
Beneficial functional of the present utility model is, by middle pressure power transmission and distribution automatic switching control system of the present utility model, normal power source is used when there being normal mains supply, when a kind of fault of normal power supply, automatically another kind of normal power source is used to power by bus, when after all normal power sources all dead electricity, also automatically can enable corresponding emergency power supply, can not only tackle in time power failure, and when two power supplys all have fault, load also can normally run, and, load can also be adjusted flexibly according to bus situation and use.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the middle pressure primary system of a prior art;
Fig. 2 is the structured flowchart of the middle pressure primary system of another prior art;
Fig. 3 is the structured flowchart of the middle pressure primary system of a prior art again;
Fig. 4 is the structured flowchart of middle pressure power transmission and distribution automatic switching control system of the present utility model;
Fig. 5 is middle pressure power transmission and distribution automatic switching control method flow chart of the present utility model.
Wherein, Reference numeral
1-first via bus
2-the second road bus
3-the first incoming power
31-the first mains supply
32-the first emergency power supply
4-the second incoming power
41-the second mains supply
42-the second emergency power supply
5-the first lead-in circuit breaker
51-the first civil power lead-in circuit breaker
52-the first emergent lead-in circuit breaker
6-the second lead-in circuit breaker
61-the second civil power lead-in circuit breaker
62-the second emergent lead-in circuit breaker
7-bus
8-the first feeds out and uses circuit breaker
9-the second feeds out and uses circuit breaker
L11 ~ L117-the first transmission line circuit
L21 ~ L217-the second transmission line circuit
100-control rack
101-select button
102---touch-screen
10-PLC
20-ups power
200-electric power monitoring system
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model are described in detail, further to understand the purpose of this utility model, scheme and effect, but not as the restriction of the utility model claims protection range.
The main utility model point of the utility model is for arranging two-way incoming power, and bus is set makes between two-way incoming power for subsequent use each other, each road incoming power can be divided into again normal mains supply and emergency power supply (as generator power supply, ups power, solar power generation power supply, water-energy generating electricity power supply etc.) middle pressure primary system automatic switching control system is set, the automatic switching of primary system is pressed to control in being realized by the PLC of automatic switching control system, to use normal mains supply when there being normal mains supply, when a normal mains power fails in road, the normal mains powered on other roads is used by bus, when after all normal mains supplies all dead electricity, enable corresponding emergency power supply to power.
As shown in Figure 4, middle pressure power transmission and distribution automatic switching control system of the present utility model comprises control rack 100 and PLC 10, the cabinet of control rack 100 is arranged the select button 101 of touch-screen 102 and switching/releasing, PLC 10 is arranged at and controls in rack 100, be connected by communication cable with touch-screen 102, and be connected by controlling cable with select button 101 (in order to show difference, control cable herein is also named first to control cable).Automatic switching control is carried out in order to realize centering pressure primary system, PLC 10 is by controlling cable (in order to show difference, control cable herein is also named second to control cable) respectively with the first via bus 1 of middle pressure primary system, second road bus 2, first incoming power 3, second incoming power 4, first feeds out with circuit breaker 8, second feeds out with circuit breaker 9, first lead-in circuit breaker 5, second lead-in circuit breaker 6 and bus 7 connect, with according to their state to the first incoming power 3, second incoming power 4, first transmission line circuit, second transmission line circuit is or/and bus 7 carries out closing a floodgate or sub-switching operation.
Below in conjunction with specific embodiment, control method of the present utility model is described in detail.
First embodiment
The present embodiment is mainly for the control of pressing primary system in the two-way incoming power one tunnel mother of Fig. 1.In the present embodiment, the first incoming power and the second incoming power are all the mains supply (being middle voltage source) of 6-35kV, and preferably, the first incoming power and the second incoming power are all the mains supply of 10kV.
In conjunction with consulting Fig. 5, when the control system of the present embodiment carries out the control of middle pressure power transmission and distribution automatic switching, comprise step:
S100, presses power transmission and distribution automatic switching control system in connection, the first incoming power and the second incoming power are put into operation, and makes bus be in gate-dividing state;
S200, gather the voltage of the first incoming power, the second incoming power, first via bus and the second road bus respectively, gather the first lead-in circuit breaker simultaneously respectively, the second lead-in circuit breaker, first feeds out and feed out status signal (status signal herein includes electric current and is less than a set point and is in malfunction) with circuit breaker with circuit breaker and second;
S300, according to the voltage gathered and status signal, judges whether to need automatic switching, if do not need automatic switching, then returns step S200 or report to the police; If desired automatic switching, then carry out step S400;
S400, carries out automatic switching.
Specifically, following several situation is divided into:
(1) under normal circumstances: can close a floodgate to inlet wire, mother and feeder line in system or the remote operation of separating brake.
During (2) one road incoming power dead electricity, the automatic lead-in circuit breaker disconnecting dead electricity, then all of disconnection dead electricity bus section, busbar section feed out circuit breaker, combined floodgate bus simultaneously, then all of follow procedure combined floodgate disconnection in early stage feed out circuit breaker successively.Specifically, in step S300, if the voltage of the first incoming power 3 is less than a set point (when being such as zero), certainly also can judge according to the status signal of the first lead-in circuit breaker 5, if the electric current of the first lead-in circuit breaker 5 is less than (follow-up relevant criterion is similar with a this) when set point (being such as zero) or the first lead-in circuit breaker 5 are in malfunction, be judged as needing automatic switching, then carry out step S401: disconnect the first lead-in circuit breaker 5 and all first transmission line circuit L11 ~ L117, then close bus 7, that closes successively on first transmission line circuit L11 ~ L117 of disconnecting according to a setting order first feeds out with circuit breaker 8 again.In step S300, if the voltage of the second incoming power 4 is less than a set point (when being such as zero), can certainly judge according to the status signal of the second lead-in circuit breaker 6, if the electric current of the second lead-in circuit breaker 6 is less than (follow-up relevant criterion is similar with a this) when set point (being such as zero) or the second lead-in circuit breaker 6 are in malfunction, be judged as needing automatic switching, the step S401 then carried out is: disconnect the second lead-in circuit breaker 6 and all second transmission line circuit L21 ~ L217, then close bus 7, that closes successively on second transmission line circuit L21 ~ L217 of disconnecting according to a setting order second feeds out with circuit breaker 9 again.
During (3) one sections of busbar faults, program can carry out locking, does not carry out any operation, sends warning message to Surveillance center simultaneously.
(4) in order to after preventing control system from sending operational order, circuit breaker does not carry out on/off switch operation, control system meeting transmit operation instruction again automatically, if circuit breaker does not still have executable operations, control system can send warning message automatically to Surveillance center, also can be done as follows: if circuit breaker is inlet wire or mother, system can carry out program locking simultaneously.If circuit breaker is for feeding out, so system can skip this circuit breaker, proceeds other operations.
Second embodiment
The present embodiment is mainly for the control of pressing primary system in the mother of incoming power one tunnel, Tu2 tetra-road.In the present embodiment, the first mains supply 31 and the second mains supply 41 are all the mains supply of 10kV.First emergency power supply 32 and the second emergency power supply 42 are generator power supply, ups power, solar power generation power supply or water-energy generating electricity power supply, first via bus 1, second road bus 2, first mains supply 31, first emergency power supply 32, second mains supply 41, second emergency power supply 42, first feeds out with circuit breaker 8, second feeds out with circuit breaker 9, first civil power lead-in circuit breaker 51, first emergent lead-in circuit breaker 52, second civil power lead-in circuit breaker 61, second emergent lead-in circuit breaker 62 and bus 7 control cable with PLC 10 respectively by each self-corresponding second and are connected.
In conjunction with consulting Fig. 5, when the control system of the present embodiment carries out the control of middle pressure power transmission and distribution automatic switching, comprise step:
S100, presses power transmission and distribution automatic switching control system in connection, the first incoming power and the second incoming power are put into operation, and makes bus be in gate-dividing state;
S200, gather the voltage of the first incoming power, the second incoming power, first via bus and the second road bus respectively, gather the first lead-in circuit breaker simultaneously respectively, the second lead-in circuit breaker, first feeds out and feed out status signal with circuit breaker with circuit breaker and second;
S300, according to the voltage gathered and status signal, judges whether to need automatic switching, if do not need automatic switching, then returns step S200 or report to the police; If desired automatic switching, then carry out step S400;
S400, carries out automatic switching.
Specifically, following several situation is divided into:
(1) under normal circumstances (the first mains supply 31 and the second mains supply 41 charged, first civil power lead-in circuit breaker 51, second civil power lead-in circuit breaker 61 closing position, the first emergent lead-in circuit breaker 62 of emergent lead-in circuit breaker 52, second and bus 7 sub-gate position): can close a floodgate to inlet wire, mother and feeder line in system or the remote operation of separating brake.
(2) one road civil power incoming powers (the first mains supply 31) dead electricity situation: the lead-in circuit breaker (the first civil power lead-in circuit breaker 51) automatically disconnecting dead electricity, disconnect all of dead electricity bus section, busbar section (first via bus 1) more simultaneously and feed out circuit breaker (first feeds out with circuit breaker 8), combined floodgate bus 7, then all of follow procedure combined floodgate disconnection in early stage feed out circuit breaker successively.Specifically, in step S300, if when the voltage of the first mains supply in the first mains supply/the second incoming power in the first incoming power is less than a set point (as being zero), be judged as needing automatic switching, then carry out step S402: disconnect the second civil power lead-in circuit breaker in the first civil power lead-in circuit breaker/the second lead-in circuit breaker in the first lead-in circuit breaker and all first transmission line circuit/the second transmission line circuits, then close bus, feed out to feed out with circuit breaker/the second use circuit breaker according to a setting order first on the first transmission line circuit/the second transmission line circuit that disconnects that close successively again.
(3) in two-way civil power dead electricity situation: the lead-in circuit breaker (the first civil power lead-in circuit breaker 51, second civil power lead-in circuit breaker 61) automatically disconnecting dead electricity, disconnect again simultaneously and allly feed out circuit breaker 8,9 and bus 7, send generator simultaneously and play machine signal, after receiving generator parallel settling signal, close a floodgate the emergent lead-in circuit breaker 62 of the first emergent lead-in circuit breaker 52, second, then follow procedure requires that combined floodgate feeds out loop successively.Specifically, in step S300, if when the voltage of the first mains supply in the first mains supply in the first incoming power and the second incoming power is all less than a set point (as being zero), be judged as needing automatic switching, then carry out step S403: disconnect the first civil power lead-in circuit breaker in the first lead-in circuit breaker, the second civil power lead-in circuit breaker in second lead-in circuit breaker and all first transmission line circuits, second transmission line circuit, then close bus, send emergency power supply enabling signal simultaneously, close the first emergent lead-in circuit breaker and the second emergent lead-in circuit breaker, feed out to feed out with second in open circuit and the second transmission line circuit use circuit breaker according to a setting order first on the first transmission line circuit that disconnects that close successively again.
(4) when normally running, in busbar fault situation: automatically allly on open failure bus feed out loop and service entrance switch.Specifically, in step S300, if the voltage of the first mains supply in the first incoming power is in a normal range (NR), if the voltage of the second mains supply in the second incoming power is in a normal range (NR), the voltage of first via bus is less than a set point (as being zero), when the voltage of the second road bus is less than a set point (as zero time), be judged as needing automatic switching, then carry out step S406: disconnect all circuit breakers.
(5) one road civil power dead electricity (as the first mains supply 31), under another road bus (as the second road bus 2) failure condition:
Fault after first dead electricity: can by (2) situation process after first dead electricity, if another road busbar fault in this case, can the second civil power lead-in circuit breaker 61 of first open failure inlet wire, bus 7 and allly feed out loop, send generator and play machine signal, after parallel operation completes, combined floodgate first is met an urgent need lead-in circuit breaker 52, then the transmission line circuit of follow procedure successively on combined floodgate first via bus 1.
Dead electricity after first fault: can by (4) situation process after first fault, if another section of inlet wire dead electricity in this case, system first can disconnect dead electricity lead-in circuit breaker and allly feed out loop, send generator simultaneously and play machine signal, after parallel operation completes, combined floodgate first is met an urgent need lead-in circuit breaker 52, then the transmission line circuit of follow procedure successively on combined floodgate first via bus 1.
Concrete steps are: in step S300, if the voltage of the second mains supply in the second incoming power is less than a set point, the voltage of the first mains supply in the first incoming power is in a range of normal value, the voltage of first via bus is less than a set point or/and the status signal of the first lead-in circuit breaker is for time abnormal, be judged as needing automatic switching, then carry out step S405: disconnect the second civil power lead-in circuit breaker in the second lead-in circuit breaker and all first transmission line circuits and the second transmission line circuit, then emergency power supply enabling signal is sent, close the second emergent lead-in circuit breaker, that closes successively on the second transmission line circuit of disconnecting according to a setting order second feeds out and uses open circuit again.
(6), under emergency power supply (as diesel engine generator) ruuning situation, diesel engine generator breaks down in situation:
The control system of general band diesel engine generator has organizes generator more, each group all can give PLC run signal, when diesel engine generator breaks down, PLC can receive the quantity of failed machines, and can successively disconnect according to the classification of number of faults follow procedure the quantity feeding out loop, to ensure the need for electricity of important load.
Specifically, after two-way civil power dead electricity, also step is comprised:
S310, emergency power supply signals collecting and judge the first emergency power supply or/and whether the second emergency power supply has fault according to emergency power supply signal, if the first emergency power supply is or/and the second emergency power supply has fault, then send emergency power supply fault-signal, then carry out step S410: situation about breaking down according to emergency power supply and predetermined Load Shedding, excise corresponding transmission line circuit.
In a road civil power dead electricity, after another road busbar fault, also comprise step:
S320, emergency power supply signals collecting and judge whether the first emergency power supply has fault according to emergency power supply signal, if the first emergency power supply has fault, then send emergency power supply fault-signal, then carry out step S420: situation about breaking down according to the first emergency power supply and predetermined Load Shedding, excise corresponding transmission line circuit;
Or S330, emergency power supply signals collecting and judge whether the second emergency power supply has fault according to emergency power supply signal, if the second emergency power supply has fault, then send emergency power supply fault-signal, then carry out step S430: situation about breaking down according to the second emergency power supply and predetermined Load Shedding, excise corresponding transmission line circuit.
(7) under the electric power thus supplied of city power recovery:
After one road civil power dead electricity is replied: first disconnect and allly on dead electricity bus feed out loop and mother, combined floodgate dead electricity lead-in circuit breaker, then follow procedure closes a floodgate successively and feeds out loop.
City power recovery, emergency power supply electric power thus supplied Xia You mono-tunnel: first send generator outage instruction, disconnects the first emergent lead-in circuit breaker 62 of emergent lead-in circuit breaker 52, second and bus circuit breaker 7 simultaneously.Close a floodgate and recover the lead-in circuit breaker (the first civil power lead-in circuit breaker 51, second civil power lead-in circuit breaker 61) of civil power, detect and do not restore electricity lead-in circuit breaker in a point position, combined floodgate bus.
(8) in order to after anti-locking system sends operational order, circuit breaker does not carry out on/off switch operation, controller meeting transmit operation instruction again automatically, if circuit breaker does not still have executable operations, system can send warning message automatically to Surveillance center, also can be done as follows: if circuit breaker is inlet wire or mother, system can carry out program locking simultaneously.If circuit breaker is for feeding out, so system can skip this circuit breaker, proceeds other operations.
3rd embodiment
The present embodiment is mainly for the control of pressing primary system in the mother of incoming power one tunnel, Tu3 six road.In the present embodiment, the first mains supply 31 and the second mains supply 41 are all the mains supply of 10kV.Two the first emergency power supplies 32 are generator power supply, ups power, solar power generation power supply or water-energy generating electricity power supply, and two the first emergency power supplies can be the same or different; Two the second emergency power supplies 32 are generator power supply, ups power, solar power generation power supply or water-energy generating electricity power supply, and two the second emergency power supplies can be the same or different.First via bus 1, second road bus 2, first mains supply 31, two the first emergency power supply 32, second mains supplies 41, two the second emergency power supplies 42, first feed out to feed out with circuit breaker 8, second and are connected respectively with PLC 10 respectively by each self-corresponding second control line with the emergent lead-in circuit breaker 62 of emergent lead-in circuit breaker 52, the second civil power lead-in circuit breaker of circuit breaker 9, first civil power lead-in circuit breaker 51, first 61, second and bus 7.
Detailed control mode about six road inlet wire one tunnel mothers can consult the control of four road inlet wire one tunnel mothers, unlike, priority is had when automatic switching, specifically, in step S403, close the first emergent lead-in circuit breaker and the second emergent lead-in circuit breaker time, include step: according to priority close the multiple first emergent lead-in circuit breaker at least one of them and according to priority close the multiple second emergent lead-in circuit breaker at least one of them.In step S404, close the first emergent lead-in circuit breaker time, include step: according to priority close the multiple first emergent lead-in circuit breaker at least one of them.In step S405, close the second emergent lead-in circuit breaker time, include step: according to priority close the multiple second emergent lead-in circuit breaker at least one of them.
Below be only give preferred several embodiment, for eight road inlet wires, (the first emergency power supply is three tunnels, second emergency power supply is three tunnels) control system of a road mother, (the first emergency power supply is four tunnels to ten road inlet wires, second emergency power supply is four tunnels) control system of a road mother, etc. all similar to the above, just illustrate no longer one by one at this.
And, the utility model is for ensureing reliability, two cover PLC are adopted to carry out redundant operation, that is, wherein a set of PLC is as primary processor, and a set of PLC is as from processor in addition, under normal circumstances, by primary processor executive program, control I/O equipment, constantly monitors subject processor state from processor.If primary processor breaks down, take over the control to I/O immediately from processor, continue executive program, thus realize the Redundant Control to system.
Combine and consult Fig. 4, PLC in the utility model 10 is connected with an electric power monitoring system 200 by controlling cable (in order to show difference, control cable herein is also named the 3rd to control cable).PLC 10 connects a ups power 20, ups power 20 is arranged at and controls in rack 100 to power to PLC 10, middle pressure power transmission and distribution automatic switching control system of the present utility model, when controlling, also includes step: each voltage gathered and status signal are uploaded to electric power monitoring system by PLC 10.That is, the information in PLC 10 can be uploaded to electric power monitoring system, and PLC 10 also can by the order of network reception electric power monitoring system.
In the utility model, PLC selects SIEMENS PLC 412-5H.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (5)
1. press power transmission and distribution automatic switching control system in one kind, for middle pressure primary system, described middle pressure primary system comprises first via bus, the second road bus, the first incoming power, the second incoming power and bus, described first via bus is connected with multiple first transmission line circuit, each first transmission line circuit is provided with one first and feeds out with circuit breaker; Described second road bus is connected with multiple second transmission line circuit, each second transmission line circuit is provided with one second and feeds out with circuit breaker; Described first incoming power is connected with described first via bus by one first lead-in circuit breaker; Described second incoming power is connected with described second road bus by one second lead-in circuit breaker; It is characterized in that, described middle pressure power transmission and distribution automatic switching control system comprises:
Control rack, its cabinet is arranged the select button of touch-screen and switching/releasing; And
PLC, is arranged in described control rack, is connected with described touch-screen by communication cable, and controls cable with described select button by first and be connected;
Wherein, described PLC controls cable by second and feeds out with described first via bus, described second road bus, described first incoming power, described second incoming power, described first respectively to feed out with circuit breaker, described second and be connected with circuit breaker, described first lead-in circuit breaker, described second lead-in circuit breaker and described bus, with according to their state to described first incoming power, described second incoming power, described first transmission line circuit, described second transmission line circuit or/and described bus closes a floodgate or sub-switching operation.
2. middle pressure power transmission and distribution automatic switching control system according to claim 1, is characterized in that, described PLC controls cable by the 3rd and is connected with an electric power monitoring system.
3. middle pressure power transmission and distribution automatic switching control system according to claim 1 and 2, it is characterized in that, described PLC is two covers.
4. middle pressure power transmission and distribution automatic switching control system according to claim 1 and 2, it is characterized in that, described PLC connects a ups power, and described ups power is arranged in described control rack.
5. middle pressure power transmission and distribution automatic switching control system according to claim 1 and 2, it is characterized in that, described first incoming power comprises first mains supply of a 6-35kV and at least one first emergency power supply, described second incoming power comprises second mains supply of a 6-35kV and at least one second emergency power supply, described first lead-in circuit breaker comprises the first civil power lead-in circuit breaker and the first emergent lead-in circuit breaker, described second lead-in circuit breaker comprises the second civil power lead-in circuit breaker and the second emergent lead-in circuit breaker, described first mains supply, described first emergency power supply, described second mains supply, described second emergency power supply, described first civil power lead-in circuit breaker, described first emergent lead-in circuit breaker, described second civil power lead-in circuit breaker, described second emergent lead-in circuit breaker controls cable by each self-corresponding second and is connected with described PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191313.XU CN204538802U (en) | 2014-09-30 | 2015-03-31 | Middle pressure power transmission and distribution automatic switching control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014105211738 | 2014-09-30 | ||
| CN201410521173 | 2014-09-30 | ||
| CN201520191313.XU CN204538802U (en) | 2014-09-30 | 2015-03-31 | Middle pressure power transmission and distribution automatic switching control system |
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| CN204538802U true CN204538802U (en) | 2015-08-05 |
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| CN201520191313.XU Expired - Fee Related CN204538802U (en) | 2014-09-30 | 2015-03-31 | Middle pressure power transmission and distribution automatic switching control system |
| CN201510149643.7A Pending CN106160187A (en) | 2014-09-30 | 2015-03-31 | Middle pressure power transmission and distribution automatic switching control system and control method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510149643.7A Pending CN106160187A (en) | 2014-09-30 | 2015-03-31 | Middle pressure power transmission and distribution automatic switching control system and control method |
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| CN (2) | CN204538802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160187A (en) * | 2014-09-30 | 2016-11-23 | 北京机械工业自动化研究所 | Middle pressure power transmission and distribution automatic switching control system and control method |
| CN106602409A (en) * | 2017-02-20 | 2017-04-26 | 烟台中金数据系统有限公司 | Unit power distribution cabinet buscouple linkage system |
| CN110943535A (en) * | 2019-12-31 | 2020-03-31 | 上海施耐德电气电力自动化有限公司 | Power supply control system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289680A (en) * | 2019-05-30 | 2019-09-27 | 珠海派诺科技股份有限公司 | Method of supplying power to, the apparatus and system of load |
| CN113381500B (en) * | 2021-06-08 | 2024-03-19 | 北京百度网讯科技有限公司 | Power switching method, device and system and electronic equipment |
| CN113922362B (en) * | 2021-09-24 | 2024-03-15 | 国网北京市电力公司 | Circuit breaker control system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2361024Y (en) * | 1999-02-25 | 2000-01-26 | 北京市赛安电气新技术公司 | Bus connection self-throwing controller |
| CN100365912C (en) * | 2006-03-16 | 2008-01-30 | 江苏金智科技股份有限公司 | Automatic input device and control method for emergency power supply of bus for middle-low voltage section factory |
| CN101227091A (en) * | 2007-11-26 | 2008-07-23 | 江苏省电力公司苏州供电公司 | Intelligent power utilization system |
| CN101752898A (en) * | 2009-12-30 | 2010-06-23 | 上海天健电气有限公司 | Controller for controlling double-power circuit |
| CN204538802U (en) * | 2014-09-30 | 2015-08-05 | 北京机械工业自动化研究所 | Middle pressure power transmission and distribution automatic switching control system |
-
2015
- 2015-03-31 CN CN201520191313.XU patent/CN204538802U/en not_active Expired - Fee Related
- 2015-03-31 CN CN201510149643.7A patent/CN106160187A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160187A (en) * | 2014-09-30 | 2016-11-23 | 北京机械工业自动化研究所 | Middle pressure power transmission and distribution automatic switching control system and control method |
| CN106602409A (en) * | 2017-02-20 | 2017-04-26 | 烟台中金数据系统有限公司 | Unit power distribution cabinet buscouple linkage system |
| CN110943535A (en) * | 2019-12-31 | 2020-03-31 | 上海施耐德电气电力自动化有限公司 | Power supply control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106160187A (en) | 2016-11-23 |
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