CN108879944A - Power supply system and method - Google Patents
Power supply system and method Download PDFInfo
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- CN108879944A CN108879944A CN201810883401.4A CN201810883401A CN108879944A CN 108879944 A CN108879944 A CN 108879944A CN 201810883401 A CN201810883401 A CN 201810883401A CN 108879944 A CN108879944 A CN 108879944A
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- 238000013467 fragmentation Methods 0.000 claims abstract description 21
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- 230000002159 abnormal effect Effects 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 9
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- 238000010586 diagram Methods 0.000 description 5
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The present invention relates to power supply technique field, a kind of power supply system and method are provided.Power supply system includes backup auto-activating device and substation, and backup auto-activating device is electrically connected with substation, and backup auto-activating device includes：Segment information acquisition module, line information acquisition module and control module, control module are electrically connected with block switch, the first power supply line, the second power supply line and third power supply line；The block switch state that segment information acquisition module is used to detect block switch obtains fragmentation state information；What line information acquisition module was used to detect the first power supply line, the second power supply line and third power supply line obtains line information for power information；Control module is used for according to fragmentation state information and the movement of line information control substation.Compared with existing method of supplying power to, backup auto-activating device is electrically connected by method of supplying power to provided by the invention with the first power supply line, the second power supply line and third power supply line, and realizes control of which to increase powering mode, improves power supply reliability.
Description
Technical field
The present invention relates to power supply technique fields, in particular to a kind of power supply system and method.
Background technique
Backup auto-activating device, full name automatic throw-in equipment of emergency power supply, backup auto-activating device is exactly when working power or work are set
It is standby because exception, failure or it is unexpected be disconnected after can be automatic and the recovery of devoting oneself to work of backup power source or stand-by equipment be supplied rapidly
The device of electricity.
As the up-to-dateness of our people's production and living increasingly improves, demand and degree of dependence of the people to electric power
Doubling, the requirement to power quality is also more stringent, and power supply and distribution is in every field also constantly to automation, unattended, remote
Process control, uninterrupted power supply target stride forward.Some power consumers especially seem more prominent to the requirement of uninterrupted power supply.I
The power supply of state mainly or by national grid is powered, and electric power notch is also increasing, and is especially lacked in peak times of power consumption
Electrical phenomena is serious, and many large enterprises just self-built power plant or are equipped with generator thus, therefore the mutual switching of various power supplys guarantees
The uninterrupted power supply of power supply and the high reliability of power supply are at the pith protected in Modern power distribution engineering with control loop.It is standby
Automatic bus combines system automatic device with protective relaying device, be a kind of couple of user provide uninterrupted power supply economy and
Effective technical measures again, it is widely used in modern power supply system.
It is built by separate periods that substation, which builds, and substation builds initial stage, and main transformer does not build completion completely.Consider the growth of load
The access of process and load, tri- sections or four sections buses of general 10KV are all built up in first stage of the project, but two main transformers of only going into operation,
Wherein a main transformer is using double branch designs.It is general using one of them that backup auto-activating device is connected to double branches in the prior art
Branch, and realize control of which, thus powering mode is single, power supply reliability is not high.
Summary of the invention
One of the objects of the present invention is to provide a kind of power supply systems, single to solve powering mode in the prior art, supply
The not high problem of electric reliability.
Another object of the present invention is to provide a kind of method of supplying power to, single to solve powering mode in the prior art, supply
The not high problem of electric reliability.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows：
The present invention provides a kind of power supply system, the power supply system includes backup auto-activating device and substation, it is described it is standby from
It throws device to be electrically connected with the substation, the substation includes the first power supply line, the second power supply line, third power supply line
And block switch, first power supply line are electrically connected with second power supply line by the block switch；It is described it is standby from
Throwing device includes：Segment information acquisition module, line information acquisition module and control module, the segment information acquisition module and
The line information acquisition module is electrically connected with the control module, the control module and the block switch, the first confession
Electric line, the second power supply line and third power supply line are electrically connected；The segment information acquisition module, for detecting described point
The block switch state of Duan Kaiguan obtains fragmentation state information；The line information acquisition module is supplied for detecting described first
Electric line, the second power supply line and third power supply line obtain line information for power information；The control module is used for basis
The fragmentation state information and the line information control substation's movement.
The present invention also provides a kind of method of supplying power to, and applied to above-mentioned power supply system, the power supply system includes for certainly
It throws device and substation, the backup auto-activating device to be electrically connected with the substation, the substation includes the first power supply line, the
Two power supply lines, third power supply line and block switch, first power supply line and second power supply line pass through described
Block switch electrical connection；The backup auto-activating device includes：Segment information acquisition module, line information acquisition module and control mould
Block, the segment information acquisition module and the line information acquisition module are electrically connected with the control module, the control
Module is electrically connected with the block switch, the first power supply line, the second power supply line and third power supply line；The supplier of electricity
Method includes：The block switch state that segment information acquisition module detects the block switch obtains fragmentation state information；Route letter
Breath acquisition module detect first power supply line, the second power supply line and third power supply line for power information obtain route letter
Breath；Control module controls the substation according to the fragmentation state information and the line information and acts.
Compared with the prior art, the invention has the advantages that：A kind of power supply system and method provided by the invention are led to
The block switch state for crossing segment information acquisition module detection block switch obtains fragmentation state information, line information acquisition module
That detects the first power supply line, the second power supply line and third power supply line obtains line information, control module root for power information
According to fragmentation state information and the movement of line information control substation.Compared with existing method of supplying power to, power supply provided by the invention
Backup auto-activating device is electrically connected by method with the first power supply line, the second power supply line and third power supply line, and is realized to it
Control to increase powering mode, improve power supply reliability.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the block diagram of power supply system provided by first embodiment of the invention.
Fig. 2 shows the structural schematic diagrams that substation provided by first embodiment of the invention builds initial stage.
Fig. 3 shows the block diagram of backup auto-activating device provided by first embodiment of the invention.
Fig. 4 shows substation provided by first embodiment of the invention and builds final structural schematic diagram.
Fig. 5 shows control module provided by first embodiment of the invention and the box of substation's connection relationship is illustrated
Figure.
Fig. 6 shows the work flow diagram of method of supplying power to provided by second embodiment of the invention.
Fig. 7 shows the specific workflow figure of S102 in Fig. 6.
Icon：10- power supply system；100- substation；The first power supply line of 110-；The first main transformer of 111-；The first electricity of 113-
Current sensor；The first breaker of 115-；117- first voltage detector；The second power supply line of 120-；The second main transformer of 121-；123-
Second current detector；The first inspection switch of 124-；The second breaker of 125-；127- second voltage detector；130- third supplies
Electric line；133- third current detector；The second inspection switch of 134-；135- third breaker；137- tertiary voltage detector；
140- block switch；200- backup auto-activating device；210- segment information acquisition module；220- line information acquisition module；230- control
Molding block；240- alarm module；250- display module；260- power module.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
First embodiment
Referring to Fig. 1, the embodiment of the present invention provides a kind of power supply system 10, power supply system 10 includes substation 100 and standby
Automatic bus 200, substation 100 are electrically connected with backup auto-activating device 200.
Referring to Fig. 2, substation 100 includes the first power supply line 110, the second power supply line 120, third power supply line
130 and block switch 140.First power supply line 110 is electrically connected with the second power supply line 120 by block switch 140, in power transformation
It stands and 100 builds initial stage, the second power supply line 120 and third power supply line 130 are in the second breaker 125 and third breaker 135
Lower section electrical connection.First power supply line 110, the second power supply line 120, third power supply line 130 and block switch 140 with
Backup auto-activating device 200 is electrically connected.
First power supply line 110 includes the first main transformer 111, the first current detector 113, the first breaker 115 and first
Voltage detector 117, first main transformer 111, the first current detector 113, the first breaker 115 and first voltage detector
117 are sequentially connected electrically；First power supply line 110 is electrically connected with the first load, and successively passes through the first main transformer 111, the first electric current
Detector 113, the first breaker 115 and first voltage detector 117 give the first load supplying.First current detector, 113 He
First voltage detector 117 is electrically connected with backup auto-activating device 200.
Second power supply line 120 includes the first sub- power supply line and the first inspection switch 124, and the first sub- power supply line includes
Second main transformer 121, the second current detector 123, the second breaker 125 and second voltage detector 127, second main transformer
121, the second current detector 123, the second breaker 125 and second voltage detector 127 are sequentially connected electrically, the first sub- supply lines
Road is electrically connected with the second load, and successively through the second main transformer 121, the second current detector 123, the second breaker 125 and second
Voltage detector 127 gives the second load supplying.First inspection switch 124 is used to characterize the inspecting state of the first sub- power supply line.
First inspection switch 124 and the second current detector 123 and second voltage detector 127 of the first sub- power supply line are and for certainly
Device 200 is thrown to be electrically connected.
Third power supply line 130 includes the second sub- power supply line and the second inspection switch 134, and the second sub- power supply line includes
Second main transformer 121, third current detector 133, third breaker 135 and tertiary voltage detector 137, second main transformer
121, third current detector 133, third breaker 135 and tertiary voltage detector 137 are sequentially connected electrically, the second sub- supply lines
Road is electrically connected with third load, and successively through the second main transformer 121, third current detector 133, third breaker 135 and third
Voltage detector 137 gives third load supplying.Second inspection switch 134 is used to characterize the inspecting state of the second sub- power supply line.
Second inspection switch 134 and the third current detector 133 and tertiary voltage detector 137 of the second sub- power supply line are and for certainly
Device 200 is thrown to be electrically connected.
First main transformer 111 and the second main transformer 121 may each be transformer；First current detector 113, the second current detecting
Device 123 and third current detector 133 may each be the device of measurement electric current, for example, current transformer；First voltage detector
117, second voltage detector 127 and tertiary voltage detector 137 may each be the device of detection voltage, for example, mutual induction of voltage
Device.
It is correspondingly provided with block switch 140 at the block switch 140 of substation 100 and acquires port, the first breaker 115, the
Two breakers 125 and third breaker 135 are correspondingly provided with the first acquisition port, the second acquisition port and third acquisition port, point
It is electric with backup auto-activating device 200 that Duan Kaiguan 140 acquires port, the first acquisition port, the second acquisition port and third acquisition port
Connection.
Referring to Fig. 3, backup auto-activating device 200 includes segment information acquisition module 210, line information acquisition module 220, sets
Set, control module 230, alarm module 240, display module 250 and power module 260, segment information acquisition module 210, line
Road information acquisition module 220, alarm module 240, display module 250 and power module 260 are electrically connected with control module 230,
Line information acquisition module 220 is electrically connected with setting position, and the block switch 140, first of control module 230 and substation 100 is disconnected
Road device 115, the second breaker 125 and third breaker 135 are electrically connected.Pass through the company of control module 230 and substation 100
It connects, realizes control of the control module 230 to substation 100.
In embodiments of the present invention, segment information acquisition module 210 is electrically connected with control module 230, and also and block switch
Port electrical connection is acquired, the block switch state for detecting block switch 140 obtains fragmentation state information.Segment information acquisition
Module 210 obtains segmentation by the block switch state that the block switch of substation 100 acquires Port detecting block switch 140 and opens
Off status information.Block switch status information can be the closure of block switch 140 or block switch 140 disconnects.Optionally, institute
Stating segment information acquisition module 210 can be single-chip microcontroller, PLC and FPGA etc..
In embodiments of the present invention, line information acquisition module 220 is electrically connected with control module 230, is also powered with first
Route 110, the second power supply line 120 and third power supply line 130 are electrically connected, and supply for detecting the first power supply line 110, second
Electric line 120 and third power supply line 130 obtain line information for power information.Line information includes inspection switch state, breaks
Road device state, analog quantity and setting position information.Line information acquisition module 220 can be single-chip microcontroller, PLC and FPGA etc..
The first inspection switch 124 and third power supply line of line information acquisition module 220 and the second power supply line 120
130 the second inspection switch 134 is electrically connected, and the maintenance for acquiring the first inspection switch 124 and the second inspection switch 134 is opened
Off status.Inspection switch state includes open and close.Can be obtained by the inspection switch state of the first inspection switch 124
The inspecting state information of one sub- power supply line can obtain the second son by the inspection switch state of the second inspection switch 134 and supply
The inspecting state information of electric line.For example, line information acquisition module 220 detects the inspection switch of the first inspection switch 124
State is closure, and the inspection switch state of the second inspection switch 134 is to disconnect, then the first sub- power supply line is in inspecting state,
Second sub- power supply line is in non-inspecting state.
First acquisition port of line information acquisition module 220 and the first power supply line 110, the second power supply line 120
Second acquisition port and the third acquisition port of third power supply line 130 are electrically connected, for passing through the first acquisition port, second
It acquires port and third acquires corresponding first breaker 115 of port processing, the second breaker 125 and third breaker 135
Circuit-breaker status.Circuit-breaker status includes coincidence and quartile.Line information acquisition module 220 passes through the first acquisition port processing the
The circuit-breaker status of one breaker 115；Line information acquisition module 220 passes through second acquisition the second breaker of port processing 125
Circuit-breaker status；Line information acquisition module 220 acquires the breaker shape of port processing third breaker 135 by third
State.For example, line information acquisition module 220 collects the signal of the first acquisition port and third acquisition port, the is not collected
The signal of two acquisition ports, then the first breaker 115 and third breaker 135 are in coincidence, and the second breaker 125 is in quartile.
Line information acquisition module 220 includes analog acquisition unit, and analog acquisition unit is electrically connected with control module 230
Connect, and the analog acquisition unit also with the first current detector 113, the first voltage detector of the first power supply line 110
117, the second current detector 123, the second voltage detector 127 of the second power supply line 120, the of third power supply line 130
Three current detectors 133, tertiary voltage detector 137 are electrically connected.For acquiring the first power supply line 110, the second supply lines
The electric parameter of road 120 and third power supply line 130 obtains analog quantity.The electric parameter may be, but not limited to, electric current and voltage.
The analog quantity may be, but not limited to, current value corresponding with above-mentioned electric parameter and voltage value.
Analog acquisition unit acquires the current value of the first power supply line 110 by the first current detector 113, by the
One voltage detector 117 acquires the voltage value of the first power supply line 110, passes through the second power supply of the second current detector 123 acquisition
The current value of the sub- power supply line of the first of route 120 acquires the of the second power supply line 120 by second voltage detector 127
The voltage value of one sub- power supply line acquires the second sub- power supply line of third power supply line 130 by third current detector 133
Current value, pass through tertiary voltage detector 137 acquire sub- power supply line of third power supply line 130 second voltage value.It needs
Illustrate, built initial stage in substation 100, the second power supply line 120 and third power supply line 130 are in the second breaker 125
It is electrically connected with the lower section of third breaker 135, the first sub- power supply line of the second power supply line 120 and third power supply line 130
The second sub- power supply line voltage value it is identical, it is also an option that only be arranged second voltage detector 127 or tertiary voltage inspection
Survey device 137.
Referring to Fig. 4, setting position is electrically connected with line information acquisition module 220, line information acquisition module 220 is for adopting
Collection setting position obtains setting position information.Wherein, setting position includes first state and the second state, when setting position is the first shape
When state, setting position information is the third breaker of the second breaker 125 and third power supply line 130 of the second power supply line 120
135 lower section is electrically connected, and when it is the second state that position, which is arranged, the setting position information is broken for the second of the second power supply line 120
The lower section of road device 125 and the third breaker 135 of third power supply line 130 disconnects.It is to be understood that when setting position is the first shape
When state, setting position information is the second son power supply of the first sub- power supply line and third power supply line 130 of the second power supply line 120
Route electrical connection；When be arranged position be the second state when, setting position information be the second power supply line 120 the first sub- power supply line and
The sub- power supply line of the second of third power supply line 130 disconnects, i.e. the first sub- power supply line of the second power supply line 120 and third supply
The sub- power supply line of the second of electric line 130 is not electrically connected.
Referring to Fig. 5, in embodiments of the present invention, control module 230 and segment information acquisition module 210, line information
Acquisition module 220, alarm module 240 and display module 250 are electrically connected, the control module 230 also with substation 100 point
Duan Kaiguan 140, the first breaker 115 of the first power supply line 110, the second breaker 125 of the second power supply line 120 and third
The third breaker 135 of power supply line 130 is electrically connected, the fragmentation state for being acquired according to segment information acquisition module 210
The line information control substation 100 that information and line information acquisition module 220 obtain acts.
Control module 230 can be a kind of IC chip, have signal handling capacity, and control module 230 can be
General processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network
Processor, NP) etc.；It can also be digital signal processor, specific integrated circuit, field programmable gate array, may be programmed and patrol
Collect controller or other programmable logic device, discrete gate or transistor logic, discrete hardware components.
Substation 100 builds initial stage, setting position be first state, the first sub- power supply line of the second power supply line 120 and
The sub- power supply line's electrical connection of the second of third power supply line 130, there is following 10 kinds of powering modes：
Mode 1, when the first breaker 115 and the second breaker 125 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and the second power supply line 120,135 separating brake of third breaker or the second inspection switch 134 are closed,
If 110 abnormal electrical power supply of the first power supply line, control module 230 is also used to control substation 100 and is switched by the first power supply line 110
To the second power supply line 120.It is to be understood that the first power supply line 110 is to the first load normal power supply, the second power supply line
The sub- power supply line of the first of 120 disconnects to the second load normal power supply, block switch 140, when the first power supply line 110 is abnormal
When, control module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the closure of block switch 140, the second supply lines
The sub- power supply line of the first of road 120 gives the first load and the second load supplying simultaneously, realizes substation 100 by the first power supply line
The switching of 110 to the second power supply line 120.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is that the current value of the first power supply line 110 is less than for certainly
Throw the pre-set current value of device 200, the voltage value of the first power supply line 110 be less than the preset voltage value of backup auto-activating device 200 and
The voltage value of first sub- power supply line of the second power supply line 120 is greater than the preset voltage value of backup auto-activating device 200.
Mode 2, when the first breaker 115 and the second breaker 125 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and the second power supply line 120,135 separating brake of third breaker or the second inspection switch 134 are closed,
If 120 abnormal electrical power supply of the second power supply line, control module 230 is also used to control substation 100 and is switched by the second power supply line 120
To the first power supply line 110.It is to be understood that the first power supply line 110 is to the first load normal power supply, the second power supply line
The sub- power supply line of the first of 120 is to the second load normal power supply, and block switch 140 disconnects, when the first of the second power supply line 120
When sub- power supply line's exception, control module 230 controls 125 separating brake of the second breaker, after being delayed, then controls block switch 140
Closure, the first power supply line 110 to the first load and the second load supplying, realize substation 100 by the second power supply line simultaneously
The switching of 120 to the first power supply line 110.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is the first sub- power supply line of the second power supply line 120
Current value be less than the pre-set current value of backup auto-activating device 200, the second power supply line 120 the first sub- power supply line voltage value
Less than the preset voltage value of backup auto-activating device 200 and the voltage value of the first power supply line 110 is greater than the pre- of backup auto-activating device 200
If voltage value.
Mode 3, when the first breaker 115 closes a floodgate, 125 separating brake of the second breaker, block switch 140 is closed, third open circuit
When 135 separating brake of device or the second inspection switch 134 are closed, if 110 abnormal electrical power supply of the first power supply line, control module 230 are used for
It controls substation 100 and second power supply line 120 is switched to by the first power supply line 110.It is to be understood that the first power supply line
110 are closed to the first load and the second load normal power supply, block switch 140, when the first power supply line 110 is abnormal, control
Module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the second breaker 125 combined floodgate, the second power supply line 120
The first sub- power supply line to first load and the second load supplying, realize substation 100 by the first power supply line 110 to the second
The switching of power supply line 120.It should be noted that before control module 230 controls the movement of substation 100, control module 230
It is also used to judge whether to meet entry condition, entry condition is that the current value of the first power supply line 110 is less than backup auto-activating device 200
Pre-set current value, the first power supply line 110 voltage value be less than backup auto-activating device 200 preset voltage value and the second supply lines
The voltage value of the sub- power supply line of the first of road 120 is greater than the preset voltage value of backup auto-activating device 200.
Mode 4, when 115 separating brake of the first breaker, the second breaker 125 closes a floodgate, and block switch 140 is closed, third open circuit
When 135 separating brake of device or the second inspection switch 134 are closed, if 120 abnormal electrical power supply of the second power supply line, control module 230 are used for
It controls substation 100 and first power supply line 110 is switched to by the second power supply line 120.It is to be understood that the second power supply line
The sub- power supply line of the first of 120 is to the first load and the second load normal power supply, and block switch 140 is closed, when the second supply lines
When the sub- power supply line's exception of the first of road 120, control module 230 controls 125 separating brake of the second breaker and is controlling after being delayed
First breaker 115 closes a floodgate, and the first power supply line 110 realizes substation 100 by second to the first load and the second load supplying
The switching of the 120 to the first power supply line of power supply line 110.It should be noted that it is dynamic to control substation 100 in control module 230
Before work, control module 230 is also used to judge whether to meet entry condition, and entry condition is the first of the second power supply line 120
The current value of sub- power supply line is less than the first sub- supply lines of the second power supply line of pre-set current value 120 of backup auto-activating device 200
The voltage value on road is less than the preset voltage value of backup auto-activating device 200 and the voltage value of the first power supply line 110 is filled greater than prepared auto restart
Set 200 preset voltage value.
Mode 5, when the first breaker 115 and third breaker 135 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and third power supply line 130,125 separating brake of the second breaker or the first inspection switch 124 are closed,
If 110 abnormal electrical power supply of the first power supply line, control module 230 is also used to control substation 100 and is switched by the first power supply line 110
To third power supply line 130.It is to be understood that the first power supply line 110 is to the first load normal power supply, third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 disconnects, when the first power supply line 110 is abnormal
When, control module 230 controls 115 separating brake of the first breaker, after being delayed, then controls the closure of block switch 140, third supply lines
The sub- power supply line of the second of road 130 gives the first load and third load supplying simultaneously, realizes substation 100 by the first power supply line
110 arrive the switching of third power supply line 130.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is that the current value of the first power supply line 110 is less than for certainly
Throw the pre-set current value of device 200, the voltage value of the first power supply line 110 be less than backup auto-activating device 200 preset voltage value and
The voltage value of the sub- power supply line of the second of third power supply line 130 is greater than the preset voltage value of backup auto-activating device 200.
Mode 6, when the first breaker 115 and third breaker 135 close a floodgate, block switch 140 is disconnected, the first supply lines
When the equal normal power supply in road 110 and third power supply line 130,125 separating brake of the second breaker or the first inspection switch 124 are closed,
If 130 abnormal electrical power supply of third power supply line, control module 230 is also used to control substation 100 and is switched by third power supply line 130
To the first power supply line 110.It is to be understood that the first power supply line 110 is to the first load normal power supply, third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 disconnects, when the second of third power supply line 130
When sub- power supply line's exception, control module 230 controls 135 separating brake of third breaker, after being delayed, then controls block switch 140
Closure, the first power supply line 110 to the first load and third load supplying, realize substation 100 by third power supply line simultaneously
The switching of 130 to the first power supply line 110.It should be noted that before control module 230 controls the movement of substation 100, control
Molding block 230 is also used to judge whether to meet entry condition, and entry condition is the second sub- power supply line of third power supply line 130
Current value be less than the pre-set current value of backup auto-activating device 200, third power supply line 130 the second sub- power supply line voltage value
Voltage value less than the preset voltage value of backup auto-activating device 200 and the first power supply line 110 is greater than the default of backup auto-activating device 200
Voltage value.
Mode 7, when the first breaker 115 closes a floodgate, 135 separating brake of third breaker, block switch 140 is closed, the second open circuit
When 125 separating brake of device or the first inspection switch 124 are closed, if 110 abnormal electrical power supply of the first power supply line, control module 230 are used for
It controls substation 100 and third power supply line 130 is switched to by the first power supply line 110.It is to be understood that the first power supply line
110 are closed to the first load normal power supply, block switch 140, and when the first power supply line 110 is abnormal, control module 230 is controlled
First breaker, 115 separating brake after being delayed, then controls the combined floodgate of third breaker 135, and the second son of third power supply line 130 supplies
Electric line gives the first load supplying, realizes substation 100 by the switching of the first power supply line 110 to third power supply line 130.It needs
It is noted that control module 230 is also used to judge whether to meet and open before control module 230 controls the movement of substation 100
Dynamic condition, entry condition are that the current value of the first power supply line 110 is less than the pre-set current value of backup auto-activating device 200, the first confession
The voltage value of electric line 110 is less than the preset voltage value of backup auto-activating device 200 and the second sub- supply lines of third power supply line 130
The voltage value on road is greater than the preset voltage value of backup auto-activating device 200.
Mode 8, when 115 separating brake of the first breaker, third breaker 135 closes a floodgate, and block switch 140 is closed, the second open circuit
When 125 separating brake of device or the first inspection switch 124 are closed, if 130 abnormal electrical power supply of third power supply line, control module 230 are used for
It controls substation 100 and first power supply line 110 is switched to by third power supply line 130.It is to be understood that third power supply line
The sub- power supply line of the second of 130 loads normal power supply to third, and block switch 140 is closed, when the second of third power supply line 130
When sub- power supply line's exception, control module 230 controls 135 separating brake of third breaker, after being delayed, is controlling the first breaker
115 close a floodgate, and the first power supply line 110 gives third load supplying, realize that substation 100 is supplied by third power supply line 130 to the first
The switching of electric line 110.It should be noted that control module 230 is also before control module 230 controls the movement of substation 100
For judging whether to meet entry condition, entry condition is that the current value of the second sub- power supply line of third power supply line 130 is small
It is less than prepared auto restart in the voltage value of the pre-set current value of backup auto-activating device 200, the sub- power supply line of the second of third power supply line 130
The preset voltage value of device 200 and the voltage value of the first power supply line 110 are greater than the preset voltage value of backup auto-activating device 200.
Mode 9, when the first breaker 115, the second breaker 125, third breaker 135 close a floodgate, block switch 140 is disconnected
It opens, 110 normal power supply of the first power supply line, when 130 common normal power supply of the second power supply line 120 and third power supply line, if
First power supply line, 110 abnormal electrical power supply, control module 230 are also used to control substation 100 and are switched to by the first power supply line 110
Second power supply line 120 and third power supply line 130 power jointly.It is to be understood that the first power supply line 110 is to the first load
Normal power supply, the first sub- power supply line of the second power supply line 120 and the second sub- power supply line of third power supply line 130 are common
To the second load and third load supplying, block switch 140 is disconnected, when the first power supply line 110 is abnormal, control module 230
115 separating brake of the first breaker is controlled, after being delayed, then controls the closure of block switch 140, the first son of the second power supply line 120
Second sub- power supply line of power supply line and third power supply line 130 gives the first load, the second load and third load to supply jointly
Electricity realizes what substation 100 was powered jointly by first the 110 to the second power supply line of power supply line 120 and third power supply line 130
Switching.It should be noted that control module 230, which is also used to judgement, is before control module 230 controls the movement of substation 100
No to meet entry condition, entry condition is that the current value of the first power supply line 110 is less than the predetermined current of backup auto-activating device 200
Value, the first power supply line 110 voltage value be less than backup auto-activating device 200 preset voltage value and the second power supply line 120 the
The voltage value of one sub- power supply line is greater than the preset voltage value of backup auto-activating device 200.
Mode 10, when the first breaker 115, the second breaker 125, third breaker 135 close a floodgate, block switch 140
It disconnects, 110 normal power supply of the first power supply line, when 130 common normal power supply of the second power supply line 120 and third power supply line,
If the second power supply line 120 powered jointly and the power supply of third power supply line 130 are abnormal, control module 230 is also used to control
The substation 100 is switched to described by second power supply line 120 powered jointly and the third power supply line 130
One power supply line 110.It is to be understood that the first power supply line 110 loads normal power supply to first, the second power supply line 120
Second sub- power supply line of the first sub- power supply line and third power supply line 130 gives the second load and third load supplying jointly,
Block switch 140 disconnects, when the first sub- power supply line of the second power supply line 120 and the second son of third power supply line 130 supply
When electric line occurs abnormal, control module 230 controls the second breaker 125 and 135 separating brake of third breaker, after being delayed,
The closure of block switch 140 is controlled again, and the first power supply line 110 realizes and becomes to the first load, the second load and third load supplying
Power station 100 is by the second power supply line 120 and third power supply line 130 the cutting to first power supply line 110 powered jointly
It changes.It should be noted that control module 230 is also used to judge whether before control module 230 controls the movement of substation 100
Meet entry condition, entry condition is current value and the third power supply line of the first sub- power supply line of the second power supply line 120
The current value of the sub- power supply line of the second of 130 is respectively less than the pre-set current value of backup auto-activating device 200, second power supply line 120
The voltage value of second sub- power supply line of the voltage value and third power supply line 130 of the first sub- power supply line is respectively less than prepared auto restart dress
The voltage value for setting 200 preset voltage value and the first power supply line 110 is greater than the preset voltage value of backup auto-activating device 200.
Substation 100 builds final period, setting position be the second state, the first sub- power supply line of the second power supply line 120 and
The sub- power supply line of the second of third power supply line 130 disconnects, the first sub- power supply line of the second power supply line 120 and third power supply
The sub- power supply line of the second of route 130 shares the second main transformer 121.When the electric current of the first sub- power supply line of the second supply lines route
Value is less than the pre-set current value of backup auto-activating device 200, and the voltage value of the first sub- power supply line of the second supply lines route is less than standby
When the preset voltage value of automatic bus 200, control module 230 is used to work as the second sub- power supply line of third power supply line 130
When current value is less than setting current value, substation 100 is controlled by the second power supply line 120 and is switched to first power supply line
110.When the current value of the second sub- power supply line of third power supply line 130 is not less than setting current value, control mould generates fastly
Reset signal, and it is sent to substation 100, so that substation 100 is failure to actuate.Prevent substation 100 in backup auto-activating device 200
Under control the case where malfunction.Setting current value can be the current threshold for needing to define according to user, and setting current value is greater than
Pre-set current value.
In embodiments of the present invention, alarm module 240 is electrically connected with control module 230, and alarm module 240 is for working as route
Information is alarmed under the control of control module 230 with when default line information difference.The default line information can wrap
The corresponding line information of above-mentioned various modes is included, when control module 230 detects that line information is corresponding with above-mentioned various modes
Information when not being inconsistent, then determine that the line information is different from default line information, control module 230 controls alarm module 240
Alarm.Alarm module 240 can be at least one of alarm lamp and buzzer, and alarm module 240 can be alarm lamp, can also
To be buzzer, the combined aural and visual alarm for integrating alarm lamp and buzzer can also be.Optionally, alarm module 240 is selected
Combined aural and visual alarm, alarm lamp and buzzer are electrically connected with control module 230, when control module 230 detect line information with
When default line information is not inconsistent, it is bright that control module 230 controls alarm lamp, while controlling buzzer and ringing, and reaches and reminds work people
The effect of member.
In embodiments of the present invention, display module 250 is electrically connected with control module 230, and display module 250 is for controlling
At least one of display segment status information and line information under the control of module 230.Display module 250 include liquid crystal display and
At least one of charactron.As an implementation, display module 250 can select liquid crystal display to show line information.
In embodiments of the present invention, power module 260 and segment information acquisition module 210, line information acquisition module
220, control module 230, alarm module 240 and display module 250 are electrically connected, for segment information acquisition module 210, line
Road information acquisition module 220, control module 230, alarm module 240 and display module 250 provide power supply.Power module
260 can be at least one of farad capacitor, rechargeable battery and power supply adaptor.
Working principle provided by the embodiment of the present invention is：The segment information acquisition module 210 of backup auto-activating device 200 is examined
The block switch state for surveying block switch 140 obtains fragmentation state information, and line information acquisition module 220 detects the first supply lines
Road 110, the second power supply line 120 and third power supply line 130 obtain line information, 230 basis of control module for power information
Fragmentation state information and line information control substation 100 act.When line information and default line information difference, mould is controlled
Block 230 controls alarm module 240 and alarms, and control module 230 also controls display module 250 and shows line information and fragmentation state letter
At least one of breath.
Second embodiment
Method of supplying power in the present embodiment is applied to above-mentioned power supply system 10.Power supply system 10 includes backup auto-activating device
200 and substation 100, backup auto-activating device 200 be electrically connected with substation 100, substation 100 includes the first power supply line 110, the
Two power supply lines 120, third power supply line 130 and block switch 140, the first power supply line 110 and the second power supply line 120 are logical
The electrical connection of block switch 140 is crossed, is built initial stage in substation 100, the second power supply line 120 and third power supply line 130 are electrically connected
It connects.
Backup auto-activating device 200 includes segment information acquisition module 210, line information acquisition module 220 and control module
230, segment information acquisition module 210 and line information acquisition module 220 are electrically connected with control module 230, control module 230
It is electrically connected with block switch 140, the first power supply line 110, the second power supply line 120 and third power supply line 130.
Referring to Fig. 6, a kind of method of supplying power to of the invention includes the following steps：
S101：The block switch state that segment information acquisition module 210 detects the block switch 140 obtains fragmentation state
Information；
S102：Line information acquisition module 220 detects first power supply line 110, the second power supply line 120 and third
Power supply line 130 obtains line information for power information；
S103：Control module 230 controls the substation 100 according to the fragmentation state information and the line information and moves
Make.
It should be noted that in other embodiments, the execution sequence of step S101 and step S102 can exchange, or
Also step S103 and step S104 are performed simultaneously.
The line information includes inspection switch state, circuit-breaker status, analog quantity and setting position information, and described second supplies
Electric line 120 includes the first inspection switch 124 and the first sub- power supply line, and the third power supply line 130 includes the second maintenance
Switch 134 and the second sub- power supply line；First power supply line 110, the second power supply line 120 and the third power supply line
130 are respectively equipped with the first breaker 115, the second breaker 125 and third breaker 135, first breaker 115, second
It is standby that breaker 125 and third breaker 135 are correspondingly provided with the first acquisition port, the second acquisition port and third acquisition port, institute
Automatic bus 200 further includes setting position, and setting position is electrically connected with line information acquisition module 220.
Referring to Fig. 7, the line information acquisition module 220 detects first power supply line 110, the second power supply line
120 and the step of obtaining line information for power information of third power supply line 130, including：
S1021：Acquire the inspection switch state of first inspection switch 124 and second inspection switch 134；
S1022：Port processing corresponding described the is acquired by first acquisition port, the second acquisition port and third
The circuit-breaker status of one breaker 115, the second breaker 125 and third breaker 135；
S1023：Acquire the electricity ginseng of first power supply line 110, the second power supply line 120 and third power supply line 130
Measure the analog quantity.
S1024:It acquires the setting position and obtains setting position information.
It should be noted that in other embodiments, step S1021, step S1022, step S1023 and step S1024
Execution sequence can exchange, or be also performed simultaneously step S1021, step S1022, step S1023 and step S1024.
It is built final period in substation 100, the second power supply line 120 and third power supply line 130 are not electrically connected.
The analog quantity includes voltage value and current value, and the setting position includes first state and the second state, when described
When setting position is first state, the setting position information is second power supply line 120 and 130 electricity of third power supply line
Connection, when the setting position is the second state, the setting position information is that second power supply line 120 supplies with the third
Electric line 130 disconnects；When the setting position is the second state, when second power supply line 120 and the third supply lines
When road 130 disconnects, the control module 230 controls the substation according to the fragmentation state information and the line information
The step of 100 movement, further include：
S1031：Judge whether the current value of the third power supply line 130 is less than setting current value, when third supply lines
When the current value on road 130 is less than setting current value, if second power supply line 120 is abnormal, the control module 230 controls institute
It states substation 100 and first power supply line 110 is switched to by second power supply line 120.
In conclusion a kind of power supply system provided by the invention and method, power supply system includes backup auto-activating device and power transformation
It stands, the first power supply line of block switch state and substation, the second power supply line that backup auto-activating device passes through detection block switch
And third power supply line for power information controls substation's movement, backup auto-activating device may be implemented simultaneously to the first supply lines
The control on road, the second power supply line and third power supply line, also increases powering mode, provides power supply reliability.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that：Similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (11)
1. a kind of power supply system, which is characterized in that the power supply system includes backup auto-activating device and substation, the prepared auto restart dress
It sets and is electrically connected with the substation, the substation includes the first power supply line, the second power supply line, third power supply line and divides
Duan Kaiguan, first power supply line are electrically connected with second power supply line by the block switch；The prepared auto restart dress
Set including：
Segment information acquisition module, line information acquisition module and control module, the segment information acquisition module and the line
Road information acquisition module is electrically connected with the control module, the control module and the block switch, the first power supply line,
Second power supply line and third power supply line are electrically connected；
The segment information acquisition module, the block switch state for detecting the block switch obtain fragmentation state information；
The line information acquisition module, for detecting first power supply line, the second power supply line and third power supply line
Obtain line information for power information；
The control module is acted for controlling the substation according to the fragmentation state information and the line information.
2. power supply system as described in claim 1, which is characterized in that the line information includes inspection switch state, open circuit
Device state, analog quantity and setting position information, second power supply line include the first inspection switch, the third power supply line packet
The second inspection switch is included, first inspection switch and second inspection switch are electrically connected with the line information acquisition module
It connects；
The line information acquisition module is used to acquire the inspection switch of first inspection switch and second inspection switch
State.
3. power supply system as claimed in claim 2, which is characterized in that first power supply line, the second power supply line and
Three power supply lines are respectively equipped with the first breaker, the second breaker and third breaker, first breaker, the second breaker
With third breaker be correspondingly provided with the first acquisition port, second acquisition port and third acquisition port, it is described first acquisition port,
Second acquisition port and third acquisition port are electrically connected with the line information acquisition module；
The line information acquisition module is also used to acquire port by first acquisition port, the second acquisition port and third
Acquire the circuit-breaker status of corresponding first breaker, the second breaker and third breaker.
4. power supply system as claimed in claim 3, which is characterized in that the line information acquisition module includes analog acquisition
Unit, the analog acquisition unit are electrically connected with the control module；
The analog acquisition unit is used to acquire the electricity of first power supply line, the second power supply line and third power supply line
Parameter obtains the analog quantity.
5. power supply system as claimed in claim 4, which is characterized in that the backup auto-activating device further includes setting position, described to set
Set is electrically connected with the line information acquisition module；
The line information acquisition module obtains setting position information for acquiring the setting position, wherein the setting position
Including first state and the second state, when the setting position is first state, the setting position information is second power supply
Route is electrically connected with the third power supply line, and when the setting position is the second state, the setting position information is described the
Two power supply lines and the third power supply line disconnect.
6. power supply system as claimed in claim 5, which is characterized in that when the setting position is the first state, described the
One breaker and second breaker close a floodgate, and the block switch disconnects, and first power supply line and described second supplies
When the equal normal power supply of electric line, the third breaker open operation or second inspection switch are closed,
If first power supply line abnormal electrical power supply, the control module is also used to control the substation and is powered by described first
Circuit switching is to second power supply line；
Alternatively,
If second power supply line abnormal electrical power supply, the control module is also used to control the substation and is powered by described second
Circuit switching is to first power supply line.
7. power supply system as claimed in claim 5, which is characterized in that when the setting position is the first state, described the
One breaker and the third breaker close a floodgate, and the block switch disconnects, and first power supply line and the third supply
When the equal normal power supply of electric line, second breaker open operation or first inspection switch are closed,
If first power supply line abnormal electrical power supply, the control module is also used to control the substation and is powered by described first
Circuit switching is to the third power supply line；
Alternatively,
If when the third power supply line abnormal electrical power supply, the control module is also used to control the substation and is supplied by the third
Electric line is switched to first power supply line.
8. power supply system as claimed in claim 5, which is characterized in that when the setting position is the first state, described the
One breaker, the second breaker, third breaker close a floodgate, and the block switch disconnects, and first power supply line normally supplies
When electricity, second power supply line and the common normal power supply of third power supply line,
If first power supply line abnormal electrical power supply, the control module is also used to control the substation and is powered by described first
Circuit switching is powered jointly to second power supply line and the third power supply line；
Alternatively,
If second power supply line powered jointly and the power supply of third power supply line are abnormal, the control module is also used to control
It makes the substation and first power supply is switched to by second power supply line powered jointly and the third power supply line
Route.
9. a kind of method of supplying power to, which is characterized in that be applied to such as the described in any item power supply systems of claim 1-8, the confession
Electric system includes backup auto-activating device and substation, and the backup auto-activating device is electrically connected with the substation, and the substation includes
First power supply line, the second power supply line, third power supply line and block switch, first power supply line and described second supply
Electric line is electrically connected by the block switch；The backup auto-activating device includes：Segment information acquisition module, line information acquisition
Module and control module, the segment information acquisition module and the line information acquisition module are electrically connected with the control module
It connects, the control module is electrically connected with the block switch, the first power supply line, the second power supply line and third power supply line
It connects；
The method of supplying power to includes：
The block switch state that segment information acquisition module detects the block switch obtains fragmentation state information；
Line information acquisition module detect first power supply line, the second power supply line and third power supply line for power information
Obtain line information；
Control module controls the substation according to the fragmentation state information and the line information and acts.
10. method of supplying power to as claimed in claim 9, which is characterized in that the line information includes inspection switch state, open circuit
Device state, analog quantity and setting position information, second power supply line include the first inspection switch, the third power supply line packet
Include the second inspection switch；It is disconnected that first power supply line, the second power supply line and the third power supply line are respectively equipped with first
Road device, the second breaker and third breaker, first breaker, the second breaker and third breaker are correspondingly provided with first
It acquires port, the second acquisition port and third and acquires port；The backup auto-activating device further includes setting position, the setting position and institute
State the electrical connection of line information acquisition module；The line information acquisition module detects first power supply line, the second supply lines
Road and the step of obtaining line information for power information of third power supply line, including：
Acquire the inspection switch state of first inspection switch and second inspection switch；
By first acquisition port, the second acquisition port and third acquire corresponding first breaker of port processing,
The circuit-breaker status of second breaker and third breaker；
The electric parameter for acquiring first power supply line, the second power supply line and third power supply line obtains the analog quantity；
It acquires the setting position and obtains setting position information.
11. method of supplying power to as claimed in claim 10, which is characterized in that the analog quantity includes current value, the setting position
Including first state and the second state, when the setting position is first state, the setting position information is second power supply
Route is electrically connected with the third power supply line, and when the setting position is the second state, the setting position information is described the
Two power supply lines and the third power supply line disconnect；When the setting position is the second state, the control module is according to institute
It states fragmentation state information and the line information controls the step of substation acts, including：
Judge whether the current value of the third power supply line is less than setting current value, when the current value of third power supply line is less than
When setting current value, if second power supply line is abnormal, the control module controls the substation and is powered by described second
Circuit switching is to first power supply line.
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| CN201810883401.4A CN108879944A (en) | 2018-08-06 | 2018-08-06 | Power supply system and method |
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|---|---|---|---|
| CN201810883401.4A CN108879944A (en) | 2018-08-06 | 2018-08-06 | Power supply system and method |
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