CN208046309U - A kind of double circuit power supply system with stand-by generator - Google Patents
A kind of double circuit power supply system with stand-by generator Download PDFInfo
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- CN208046309U CN208046309U CN201820375408.0U CN201820375408U CN208046309U CN 208046309 U CN208046309 U CN 208046309U CN 201820375408 U CN201820375408 U CN 201820375408U CN 208046309 U CN208046309 U CN 208046309U
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- circuit
- stand
- generator
- power supply
- incoming cables
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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
Abstract
The utility model discloses a kind of double circuit power supply systems with stand-by generator, for to load supplying, including commonly use circuit, back-up circuit, stand-by generator, twin-power switch, with common loop-coupled typical transformer and the spare transformer being connect with back-up circuit, the twin-power switch includes leading-out terminal, the first end of incoming cables and the second end of incoming cables, the leading-out terminal is connect with load and common circuit respectively, first end of incoming cables is connect with stand-by generator, and second end of incoming cables is connect with back-up circuit.Compared with prior art, the utility model reduces the ratio of entire supply line shared by the part often not actually used in supply line, it is equivalent to the utilization rate for improving supply line's each section, the case where circuit breaks down because leaving unused for a long time, influences in emergency circumstances to power is reduced, the stability and reliability of power supply system are improved.The utility model is widely used in power supply and distribution technical field.
Description
Technical field
The utility model is related to power supply and distribution technical field, especially a kind of double circuit power supply system with stand-by generator
System.
Background technology
In power supply and distribution technology, in order to ensure reliability, it is powered usually using double loop, that is, load while connecing
Enter in two circuits, each circuit is coupled on corresponding transformer.Two one Chang Yibei of circuit are usually supplied by common circuit
Electricity switches to back-up circuit power supply when common circuit breaks down or has a power failure.For prior load, in order to further
Power supply reliability is improved, stand-by generator is also provided with, stand-by generator is also connected in load, if load has switched by spare
Failure also has occurred so that can not power in loop power supply, back-up circuit, so that it may is powered with being switched to stand-by generator.
A kind of existing double circuit power supply system with stand-by generator is switched using twin-power switch using common
Circuit, back-up circuit or stand-by generator to load be powered, specifically, twin-power switch include the first end of incoming cables,
Second end of incoming cables and leading-out terminal, common circuit are connected to back-up circuit on the first end of incoming cables, that is, common circuit with it is spare
Circuit shares an end of incoming cables of twin-power switch, and stand-by generator is connected on the second end of incoming cables, the leading-out terminal of twin-power switch
It is connected with load, common circuit is connected to typical transformer, back-up circuit is connected to spare transformer to obtain power supply.Normally
In the case of, twin-power switch connects the first end of incoming cables and leading-out terminal, and load is by commonly using loop power supply；It is double when common loop fault
Power switch still connects the first end of incoming cables and leading-out terminal, cuts off and commonly uses circuit, connects back-up circuit, by back-up circuit to load
It is powered；When common circuit does not restore normal also, back-up circuit also breaks down, Twin-power swich connects the second inlet wire
End and leading-out terminal, load are powered by stand-by generator.
Above-mentioned this existing double circuit power supply system, wiring are relatively simple, it is only necessary to using a twin-power switch and
Handoff functionality can be realized in necessary breaker on each circuit.But with the increasingly raising of mains-supplied quality, supply line
The probability to break down is also smaller and smaller, and in actual use, common circuit is with the probability that back-up circuit breaks down simultaneously
Very little, therefore seldom use stand-by generator.Due to existing double circuit power supply system, commonly uses circuit and shared with back-up circuit
One end of incoming cables of twin-power switch, and an end of incoming cables is used alone in stand-by generator, this will cause twin-power switch few
Action, and stand-by generator and twin-power switch into the second line end between the cable that connects also seldom be actually used, this
Circuit related with the second end of incoming cables and structure are chronically at uncharged situation inside part cable and twin-power switch, are easy
Lack maintaining, once the factors influence such as made moist is damaged, just influences stand-by generator and load is powered, cause
Economic loss.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of double backs with stand-by generator
Road power supply system.
The first technical solution that the utility model is taken is：
A kind of double circuit power supply system with stand-by generator, for load supplying, including common circuit, spare time
Road, stand-by generator, twin-power switch, with commonly use loop-coupled typical transformer and the spare change that is connect with back-up circuit
Depressor, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, the leading-out terminal respectively with load and normal
It is connected with circuit, first end of incoming cables is connect with stand-by generator, and second end of incoming cables is connect with back-up circuit.
Further, it is connected by the first breaker between the leading-out terminal and load.
Further, the common circuit concatenates the second breaker.
Further, the back-up circuit concatenates third breaker.
Further, second breaker is equipped with the second electrical interlocking device, and the third breaker is equipped with third electricity
Gas interlock, second electrical interlocking device are connect with third electrical interlocking device.
Further, first breaker is equipped with the first electrical interlocking device, first electrical interlocking device, second
Electrical interlocking device is connected with each other with third electrical interlocking device.
The second technical solution that the utility model is taken is：
A kind of double circuit power supply system with stand-by generator, for load supplying, including common circuit, spare time
Road, stand-by generator, twin-power switch, with commonly use loop-coupled typical transformer and the spare change that is connect with back-up circuit
Depressor, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, the leading-out terminal respectively with load and standby
It is connected with circuit, first end of incoming cables is connect with stand-by generator, and second end of incoming cables is connect with common circuit.
Further, it is connected by the first breaker between the leading-out terminal and load.
Further, the common circuit concatenates the second breaker.
Further, the back-up circuit concatenates third breaker.
The utility model has the beneficial effects that：Compared with prior art, the utility model reduce in supply line not by
The ratio of entire supply line, is equivalent to the utilization rate for improving supply line's each section shared by the part often actually used,
The case where circuit breaks down because leaving unused for a long time, influences in emergency circumstances to power is reduced, the stabilization of power supply system is improved
Property and reliability.
Description of the drawings
Fig. 1 is a kind of existing double circuit power supply systematic schematic diagram；
Fig. 2 is a kind of back-up circuit of existing double circuit power supply system and common circuit theory figure；
Fig. 3 is double circuit power supply systematic schematic diagram in the utility model embodiment 1；
Fig. 4 is the back-up circuit and common circuit theory figure of double circuit power supply system in the utility model embodiment 1.
Specific implementation mode
A kind of existing double circuit power supply system is as shown in Figure 1 comprising stand-by generator 1a, spare transformer 2a, often
With transformer 3a, installation breaker 4a, 5a and 6a on the line and twin-power switch 7a.
Fig. 2 is identical as Fig. 1 contents, and Fig. 2 is labelled with back-up circuit and common loop feature in circuit, and symbol used is in figure
The general symbol(s) of technical field of electricity is not connected to the branch of specific terminal in figure, indicates that it is connected to other loads, and its
His load is unrelated with the improvement of the utility model, therefore is not listed in figure.
By Fig. 2 it is recognised that in the prior art, back-up circuit and common circuit share an inlet wire of twin-power switch 7a
End so that another end of incoming cables of twin-power switch 7a and related workpiece, stand-by generator 1a to twin-power switch 7a
Between cable be in non-charged state for a long time, which results in technological deficiencies pointed in background technology.It is actually using
In, in order to realize safe power supply, it is required for that electrical interlocking device, electrical interlocking device are installed respectively at breaker 4a, 5a and 6a
Breaker 4a, 5a and 6a can be made separating brake while will not to close a floodgate simultaneously or other combined floodgate feelings for causing power supply dangerous occur
Therefore condition in the prior art, at least needs three electrical interlocking devices.
Embodiment 1
A kind of double circuit power supply system with stand-by generator of the utility model is used for load supplying, including common
Circuit, back-up circuit, stand-by generator, twin-power switch and common loop-coupled typical transformer and and back-up circuit
The spare transformer of connection, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, the leading-out terminal point
Connect with load and common circuit, first end of incoming cables is connect with stand-by generator, second end of incoming cables and spare time
Road connects.
The schematic diagram of the utility model double circuit power supply system is as shown in Figure 3 and Figure 4, and the content of Fig. 3 and Fig. 4 is identical, Fig. 4
It is labelled with back-up circuit and common loop feature in circuit.In Fig. 3 and Fig. 4, stand-by generator 1b shares double electricity with common circuit
An end of incoming cables of source switch 7b, and another end of incoming cables of twin-power switch 7b is then used alone in back-up circuit.Due to reality
In use, there is certain probability to break down in common circuit, that is, the frequency that back-up circuit is actually used will be much higher than
The frequency that stand-by generator is actually used, therefore, twin-power switch are able to be performed as often as switching, and back-up circuit with often
With circuit and more it is maintained at frequently and for a long time electrification use state.Compared with prior art, the utility model reduces
The ratio of entire supply line, is equivalent to and improves supply line shared by the part often not actually used in supply line
Utilization rate, reduce circuit because for a long time leave unused due to break down, influence in emergency circumstances to power the case where.
With reference to Fig. 3 and Fig. 4, in order to ensure safe power supply, breaker can be installed respectively at 5b and 6b in figure, and best
Electrical interlocking device is installed simultaneously.That is, in the case where ensureing optimal power effect, the utility model only need in 5b and
One electrical interlocking device is installed respectively at 6b, only needs two electrical interlocking devices altogether, needs to pacify compared to the prior art is played
Three electrical interlocking devices are filled, the utility model can save installation cost and maintenance in the case where reaching same safe effect
Cost improves the stability and reliability of system.
It is further used as preferred embodiment, is connected by the first breaker between the leading-out terminal and load.
It is further used as preferred embodiment, the common circuit concatenates the second breaker.
It is further used as preferred embodiment, the back-up circuit concatenates third breaker.
When breaker is installed, with reference to Fig. 3 and Fig. 4, the first breaker 8 is installed between leading-out terminal and load, commonly uses circuit string
The second breaker 6b is met, back-up circuit concatenates third breaker 5b.
It is further used as preferred embodiment, second breaker is equipped with the second electrical interlocking device, the third
Breaker is equipped with third electrical interlocking device, and second electrical interlocking device is connect with third electrical interlocking device.
Second breaker 6b is equipped with the second electrical interlocking device, and the third breaker 5b is filled equipped with third electrical interlocks
It sets, second electrical interlocking device is connect with third electrical interlocking device, is worked normally after two electrical interlocking device connections
Linkage effect can be reached, that is, the second breaker 6b and third breaker 5b same times at most can only there are one in closing
Conjunction state can be closed in this way to avoid the second breaker 6b and third breaker 5b so that common circuit and back-up circuit
Between direct short-circuit.It is above-mentioned it is stated that the utility model only needs two electrical interlocking devices that can reach safety effect well
Fruit.
It is further used as preferred embodiment, first breaker is equipped with the first electrical interlocking device, and described first
Electrical interlocking device, the second electrical interlocking device and third electrical interlocking device are connected with each other.
In order to reach more preferably safe effect, can also first electrical interlocking device, the first electricity be set in the first breaker 8
It is connected with each other between gas interlock, the second electrical interlocking device and third electrical interlocking device, generates linkage effect.Electrically connect
Chain logic between locking device can be set according to the prior art or common knowledge, for example, the first breaker can be set
8, in tri- breaker same times of the second breaker 6b and third breaker 5b at most can only there are one be in closed state, or
Person set in same time at most can only there are two cannot be same in closed state and the second breaker 6b and third breaker 5b
When be closed etc..
In the present embodiment, typical transformer and spare transformer can be the transformers in substation, can also use other
Energy source device replaces, and stand-by generator can also be replaced with accumulator or other emergency power supplies.
Embodiment 2
The utility model gives another double circuit power supply system for carrying stand-by generator, for supplying load
Electricity, including common circuit, back-up circuit, stand-by generator, twin-power switch, with commonly use loop-coupled typical transformer and
The spare transformer being connect with back-up circuit, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, institute
It states leading-out terminal to connect with load and back-up circuit respectively, first end of incoming cables is connect with stand-by generator, second inlet wire
End is connect with common circuit.
The difference of the present embodiment and embodiment 1, is the exchange of common circuit and back-up circuit, that is, by embodiment
Common circuit adjustment in 1 is used as back-up circuit, back-up circuit adjustment just to obtain the present embodiment as circuit is commonly used.Due to normal
Do not change circuit structure with circuit and exchanging for back-up circuit, be only the change of two circuits status, thus embodiment 1
In the case of the utility model structure is described in detail, no longer the present embodiment is repeated.Based on original same as Example 1
Reason, the present embodiment can also reach reduce supply line in often do not actually used part, improve supply line utilization rate,
It saves installation cost and maintenance cost and improves the technique effect of the stability and reliability of system.
It is further used as preferred embodiment, is connected by the first breaker between the leading-out terminal and load.
It is further used as preferred embodiment, the common circuit concatenates the second breaker.
It is further used as preferred embodiment, the back-up circuit concatenates third breaker.
It is to be illustrated to the preferable implementation of the utility model, but be not limited to the utility model creation above
The embodiment, those skilled in the art can also make various without departing from the spirit of the present invention
Equivalent variations or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of double circuit power supply system with stand-by generator, for load supplying, including common circuit, spare time
Road, stand-by generator, twin-power switch, with commonly use loop-coupled typical transformer and the spare change that is connect with back-up circuit
Depressor, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, which is characterized in that the leading-out terminal point
Connect with load and common circuit, first end of incoming cables is connect with stand-by generator, second end of incoming cables and spare time
Road connects.
2. a kind of double circuit power supply system with stand-by generator according to claim 1, which is characterized in that it is described go out
It is connected by the first breaker between line end and load.
3. a kind of double circuit power supply system with stand-by generator according to claim 2, which is characterized in that described normal
The second breaker is concatenated with circuit.
4. a kind of double circuit power supply system with stand-by generator according to claim 3, which is characterized in that described standby
Third breaker is concatenated with circuit.
5. a kind of double circuit power supply system with stand-by generator according to claim 4, which is characterized in that described
Two breakers are equipped with the second electrical interlocking device, and the third breaker is equipped with third electrical interlocking device, and described second is electrical
Interlock is connect with third electrical interlocking device.
6. a kind of double circuit power supply system with stand-by generator according to claim 5, which is characterized in that described
One breaker is equipped with the first electrical interlocking device, and first electrical interlocking device, the second electrical interlocking device and third are electrical
Interlock is connected with each other.
7. a kind of double circuit power supply system with stand-by generator, for load supplying, including common circuit, spare time
Road, stand-by generator, twin-power switch, with commonly use loop-coupled typical transformer and the spare change that is connect with back-up circuit
Depressor, the twin-power switch include leading-out terminal, the first end of incoming cables and the second end of incoming cables, which is characterized in that the leading-out terminal point
Not with load and back-up circuit connect, first end of incoming cables is connect with stand-by generator, second end of incoming cables with commonly use back
Road connects.
8. a kind of double circuit power supply system with stand-by generator according to claim 7, which is characterized in that it is described go out
It is connected by the first breaker between line end and load.
9. a kind of double circuit power supply system with stand-by generator according to claim 8, which is characterized in that described normal
The second breaker is concatenated with circuit.
10. a kind of double circuit power supply system with stand-by generator according to claim 9, which is characterized in that described
Back-up circuit concatenates third breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375408.0U CN208046309U (en) | 2018-03-19 | 2018-03-19 | A kind of double circuit power supply system with stand-by generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820375408.0U CN208046309U (en) | 2018-03-19 | 2018-03-19 | A kind of double circuit power supply system with stand-by generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046309U true CN208046309U (en) | 2018-11-02 |
Family
ID=63947410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820375408.0U Active CN208046309U (en) | 2018-03-19 | 2018-03-19 | A kind of double circuit power supply system with stand-by generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208046309U (en) |
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2018
- 2018-03-19 CN CN201820375408.0U patent/CN208046309U/en active Active
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