CN108879788A - Power supply system and power supply system starting method - Google Patents
Power supply system and power supply system starting method Download PDFInfo
- Publication number
- CN108879788A CN108879788A CN201810968708.4A CN201810968708A CN108879788A CN 108879788 A CN108879788 A CN 108879788A CN 201810968708 A CN201810968708 A CN 201810968708A CN 108879788 A CN108879788 A CN 108879788A
- Authority
- CN
- China
- Prior art keywords
- port
- energy
- transformer
- electric power
- renewable energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004146 energy storage Methods 0.000 claims abstract description 74
- 230000005611 electricity Effects 0.000 claims description 27
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H02J3/382—
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention provides a power supply system and a power supply system starting method, and belongs to the technical field of power supply. The power supply system and the power supply system starting method provided by the embodiment of the invention have the advantages that the power supply system comprises a three-port power electronic transformer, a first renewable energy system, a first energy storage system, a second renewable energy system and a second energy storage system; the input end of the three-port power electronic transformer is connected with a high-voltage power grid; the first renewable energy system and the first energy storage system are both connected with an alternating current output port of the three-port power electronic transformer; the second renewable energy system and the second energy storage system are connected with a direct current output port of the three-port power electronic transformer, and the alternating current-direct current power distribution system, the renewable energy system and the energy storage system are integrated into a power supply system to supply power for a user, so that the economical efficiency, the reliability and the flexibility of the power consumption of the user are realized.
Description
Technical field
The present invention relates to power supply technique fields, start method in particular to a kind of power supply system and power supply system.
Background technique
Electric power is the power producer of the national economic development, provides reliable electric power safeguard for socio-economic development.Therefore,
The safe and reliable most important thing for being national economy can be fast-developing of Operation of Electric Systems.
Currently, alternating current-direct current power conversion losses are high in conventional AC distribution, it is poor to match electricity consumption flexibility, match with electricity consumption link
Property low problem it is increasingly prominent, under the place of some positions limitation, be difficult that AC transformer is installed.It is fast with national economy
Speed development, the application field of DC suppling equipment is more and more wider, and alternating current-direct current hybrid power supply demand is increasing, at present energy conversion
Single AC transformer can not adapt to new use can scene.In recent years, the electric power electric transformer of alternating current-direct current mixing obtained
Rapid development, still, what the current country used is the electric power electric transformer of dual-port, can only provide single direct current supply
Or Alternating Current Power Supply, it can not accomplish alternating current-direct current hybrid power supply, and at present integrate alternating current-direct current distribution, new energy, energy storage technology
It is studied at a system less, therefore economy, reliability and flexibility with electricity consumption cannot be provided for user.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of power supply system and power supply system starting sides
Alternating current-direct current distribution, new energy, energy storage technology are integrated into a system by method, can be provided for user economical, reliable and flexible
With electricity consumption, and improve the success rate of power supply system starting.
In a first aspect, the embodiment of the invention provides a kind of power supply system, the system comprises：Three port power electronics become
Depressor, the first renewable energy system, the first energy-storage system, the second renewable energy system and the second energy-storage system；
The input terminal of three port electric power electric transformer is connect with high-voltage fence；
The friendship of first renewable energy system and the first energy-storage system with three port electric power electric transformer
The connection of galvanic electricity output port；
Second renewable energy system and the second energy-storage system are straight with three port electric power electric transformer
The connection of galvanic electricity output port.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating the first renewable energy system includes the first photovoltaic system and the first wind energy system.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
Stating the second renewable energy system includes the second photovoltaic system, the second wind energy system.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
It states the first renewable energy system and the first energy-storage system passes through the friendship of ac bus and three port electric power electric transformer
The connection of galvanic electricity output port；Second renewable energy system and the second energy-storage system pass through DC bus and three port
The DC output end mouth of electric power electric transformer connects.
Second aspect, the embodiment of the invention also provides a kind of power supply systems to start method, and the power supply system is first
Power supply system described in aspect, which is characterized in that the method includes：
Start three port electric power electric transformers；
Access the first renewable energy system and first energy-storage system；
Access the second renewable energy system and second energy-storage system.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
The step of stating three port electric power electric transformer of starting, including：
Determine that three ports of three port electric power electric transformer are in not-connected status；
Determine that three port electric power electric transformer is in hot stand-by duty；
Determine that the voltage magnitude of high-voltage fence, frequency are in stable state；
The input port of three port electric power electric transformer is connect with the high-voltage fence.
In conjunction with second aspect, the embodiment of the invention provides second of possible embodiments of second aspect, wherein institute
The step of stating the first renewable energy system of access and first energy-storage system, including：
Determine that first renewable energy system and first energy-storage system are in not-connected status；
Determine the voltage amplitude for the ac bus connecting with the alternating current output port of three port electric power electric transformer
Value, frequency are in stable state, and first renewable energy system is accessed the three ports electricity by the ac bus
The alternating current output port of power electronic transformer；
Determine the electricity for the ac bus connecting with the alternating current output port of three port electric power electric transformer
Pressure amplitude value, frequency are in stable state, and first energy-storage system is accessed three port electric power by the ac bus
The alternating current output port of electronic transformer.
In conjunction with second of second aspect possible embodiment, the third the embodiment of the invention provides second aspect can
The embodiment of energy, wherein described that first renewable energy system is accessed into three port by the ac bus
The step of alternating current output port of electric power electric transformer, including：
First photovoltaic system and first wind energy system are accessed into three end by the ac bus one by one
The alternating current output port of mouth electric power electric transformer；
It is accessed before the alternating current output port of three port electric power electric transformer every time, determining and three port
The voltage magnitude of the ac bus of the alternating current output port connection of electric power electric transformer, frequency are in stable state.
In conjunction with second aspect, the embodiment of the invention provides the 4th kind of possible embodiments of second aspect, wherein institute
The step of stating the second renewable energy system of access and second energy-storage system, including：
Determine that second renewable energy system and second energy-storage system are in not-connected status；
Determine the voltage amplitude for the DC bus connecting with the DC output end mouth of three port electric power electric transformer
Value, frequency are in stable state, and second renewable energy system is accessed the three ports electricity by the DC bus
The DC output end mouth of power electronic transformer；
Determine the electricity for the DC bus connecting with the DC output end mouth of three port electric power electric transformer
Pressure amplitude value, frequency are in stable state, and second energy-storage system is accessed three port electric power by the DC bus
The DC output end mouth of electronic transformer.
In conjunction with the 4th kind of possible embodiment of second aspect, the third the embodiment of the invention provides the 5th aspect can
The embodiment of energy, wherein described that second renewable energy system is accessed into three port by the DC bus
The step of DC output end mouth of electric power electric transformer, including：
Second photovoltaic system and second wind energy system are accessed into three end by the DC bus one by one
The DC output end mouth of mouth electric power electric transformer；
It is accessed before the DC output end mouth of three port electric power electric transformer every time, determining and three port
The voltage magnitude of the DC bus of the DC output end mouth connection of electric power electric transformer, frequency are in stable state.
The embodiment of the present invention brings following beneficial effect：
The embodiment of the invention provides power supply systems and power supply system to start method, and power supply system includes：Three port electric power
Electronic transformer, the first renewable energy system, the first energy-storage system, the second renewable energy system and the second energy storage system
System；The input terminal of three port electric power electric transformers is connect with high-voltage fence；First renewable energy system and the first energy storage system
System is connect with the alternating current output port of three port electric power electric transformers；Second renewable energy system and the second energy storage system
System connect with the DC output end mouth of three port electric power electric transformers, by alternating current-direct current distribution, renewable energy system with
And energy-storage system is integrated into a power supply system and provides the economy for realizing user power utilization with electricity consumption for user, reliability and
Flexibility；It includes three port electric power electric transformers of starting that power supply system, which starts method,；Access the first renewable energy system and
First energy-storage system；The second renewable energy system and the second energy-storage system are accessed, by the orderly each system of access, every time
All the stable state of system is judged when access, it is ensured that system is constantly in steady operational status, improves the starting of system
Success rate.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
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
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram of power supply system provided by the embodiment of the present invention；
Fig. 2 is the flow chart that power supply system provided by the embodiment of the present invention starts method；
Fig. 3 is the flow chart of three port provided in an embodiment of the present invention electric power electric transformer starting；
Fig. 4 is the operating process of access the first renewable energy system and the first energy-storage system provided in an embodiment of the present invention
Figure；
Fig. 5 is the operating process of access the second renewable energy system and the second energy-storage system provided in an embodiment of the present invention
Figure.
Diagram：100- high-voltage fence；Tri- port electric power electric transformer of 110-；The first renewable energy system of 120-；
The first photovoltaic system of 121-；The first wind energy system of 122-；The first energy-storage system of 130-；140- AC load；150- second can be again
Raw energy resource system；The second photovoltaic system of 151-；The second wind energy system of 152-；The second energy-storage system of 160-；170- DC load.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
It is single for existing power supply mode, it is difficult to economic, reliable, flexible the problem of matching electricity consumption is provided for user, this
Inventive embodiments provide a kind of power supply system and power supply system starting method, carry out first to power supply system of the invention below
It is discussed in detail.
Embodiment one
A kind of power supply system is present embodiments provided, as shown in Figure 1, the power supply system includes：Three port power electronics become
Depressor 110, the first renewable energy system 120, the first energy-storage system 130, the second renewable energy system 150 and the second storage
It can system 160；
The input terminal of three port electric power electric transformers 110 connect 100 with high-voltage fence；
The friendship of first renewable energy system 120 and the first energy-storage system 130 with three port electric power electric transformers 110
The connection of galvanic electricity output port；
Second renewable energy system 150 and the second energy-storage system 160 are straight with three port electric power electric transformers 110
The connection of galvanic electricity output port.
Wherein, the first renewable energy system 120 includes the first photovoltaic system 121 and the first wind energy system 122；Second can
Regeneration energy resource system 150 includes the second photovoltaic system 151 and the second wind energy system 152；First renewable energy system 120 and
One energy-storage system 130 is connect by ac bus with the alternating current output port of three port electric power electric transformers 110；Second can
Regeneration energy resource system 150 and the second energy-storage system 160 pass through the direct current of DC bus and three port electric power electric transformers 110
Output port connection.
In an optional embodiment, three port electric power electric transformers, 110 input port is 10kV AC port, can be with
It is connect by breaker with high-voltage fence；The voltage of alternating current output port can be 380V or 370V, DC output end
The voltage of mouth can be 240V or 220V；Voltage on ac bus is identical as the voltage that alternating current output port exports, directly
The voltage flowed on bus is identical as the voltage that DC output end mouth exports；Each port passes through breaker respectively and respective bus bars connect
It connects.
For example, as shown in Figure 1, the 10kV AC port of three port electric power electric transformers 110 passes through breaker J1
Connect high-voltage fence；380V AC port passes through breaker J2 connection ac bus；240V DC port is connected by breaker J3
Connect DC bus.
In an optional embodiment, the first renewable energy system 120 and the first energy-storage system 130 can pass through open circuit
Device access ac bus is connect with the alternating current output port of three port electric power electric transformers 110, and is accessed by breaker
Consume the equipment or device of alternating current；Second renewable energy system 150 and the second energy-storage system 160 can pass through open circuit
Device is connect with access DC bus with the DC output end mouth of three port electric power electric transformers 110, and is connect by breaker
Enter to consume the equipment or device of direct current.
For example, as shown in Figure 1, the first photovoltaic system 121, the first wind energy system 122, the first energy-storage system 130 difference
The alternating current for accessing ac bus and three port electric power electric transformers 110 by breaker J4, breaker J5, breaker J6 is defeated
Exit port connection, and AC load 140 is accessed by breaker J7；Second photovoltaic system 151, the second wind energy system 152, second
Energy-storage system 160 accesses DC bus by breaker J8, breaker J9, breaker J10 respectively and three port power electronics become
The DC output end mouth of depressor 110 connects, and accesses DC load 170 by breaker J11.
Power supply system provided in an embodiment of the present invention includes three port electric power electric transformers, the first renewable energy system
System, the first energy-storage system, the second renewable energy system and the second energy-storage system；The input of three port electric power electric transformers
End is connect with high-voltage fence；The friendship of first renewable energy system and the first energy-storage system with three port electric power electric transformers
The connection of galvanic electricity output port；Second renewable energy system and the second energy-storage system are straight with three port electric power electric transformers
The connection of galvanic electricity output port, alternating current-direct current distribution, renewable energy system and energy-storage system, which are integrated into a power supply system, is
User, which provides, matches electricity consumption, realizes the economy of user power utilization, reliability and flexibility.
Embodiment two
A kind of power supply system starting method is present embodiments provided, for starting power supply system provided by embodiment one,
As shown in Fig. 2, this approach includes the following steps：
Step S210 starts three port electric power electric transformers；
Step S220 accesses the first renewable energy system and the first energy-storage system；
Step S230 accesses the second renewable energy system and the second energy-storage system.
Specifically, in the power supply system starting method, step S210 starts the process of three port electric power electric transformers such as
Shown in Fig. 3, including：
Step S211 determines that three ports of three port electric power electric transformers are in not-connected status；
Step S212 determines that three port electric power electric transformers are in hot stand-by duty；
Step S213 determines that the voltage magnitude of high-voltage fence, frequency are in stable state；
The input port of three port electric power electric transformers is connect by step S214 with high-voltage fence.
Specifically, in the power supply system starting method, step S220 accesses the first renewable energy system and the first energy storage
The process of system is as shown in figure 4, include：
Step S221 determines that the first renewable energy system and the first energy-storage system are in not-connected status；
Step S222 determines the electricity for the ac bus connecting with the alternating current output port of three port electric power electric transformers
Pressure amplitude value, frequency are in stable state, and the first renewable energy system is accessed three port power electronics by ac bus and is become
The alternating current output port of depressor；
Step S223 determines the electricity for the ac bus connecting with the alternating current output port of three port electric power electric transformers
Pressure amplitude value, frequency are in stable state, and the first energy-storage system is accessed three port electric power electric transformers by ac bus
Alternating current output port.
Wherein, in step S222, the first renewable energy system is accessed into three port power electronics by ac bus and is become
The step of alternating current output port of depressor, including：
The first photovoltaic system and the first wind energy system are accessed into three port electric power electric transformers by ac bus one by one
Alternating current output port；
Every time before the alternating current output port of three port electric power electric transformers of access, determining and three port power electronics
The voltage magnitude of the ac bus of the alternating current output port connection of transformer, frequency are in stable state.
In an optional embodiment, the AC port of the electric power electric transformer of three ports and the first renewable energy system
After system and the access of the first energy-storage system, determine that the exchange connecting with the alternating current output port of three port electric power electric transformers is female
The voltage magnitude of line, frequency are in stable state, and AC load is accessed, and make the exchange end of three port electric power electric transformers
Mouth, the first renewable energy system and the first energy-storage system provide alternating voltage for AC load.
Specifically, in the power supply system starting method, step S230 accesses the second renewable energy system and the second energy storage
The process of system is as shown in figure 5, include：
Step S231 determines that the second renewable energy system and the second energy-storage system are in not-connected status；
Step S232 determines the electricity for the DC bus connecting with the DC output end mouth of three port electric power electric transformers
Pressure amplitude value, frequency are in stable state, and the second renewable energy system is accessed three port power electronics by DC bus and is become
The DC output end mouth of depressor；
Step S233 determines the electricity for the DC bus connecting with the DC output end mouth of three port electric power electric transformers
Pressure amplitude value, frequency are in stable state, and the second energy-storage system is accessed three port electric power electric transformers by DC bus
DC output end mouth.
Wherein, in step S232, the second renewable energy system is accessed into three port power electronics by DC bus and is become
The step of DC output end mouth of depressor, including：
The second photovoltaic system and the second wind energy system are accessed into three port electric power electric transformers by DC bus one by one
DC output end mouth；
Every time before the DC output end mouth of three port electric power electric transformers of access, determining and three port power electronics
The voltage magnitude of the DC bus of the DC output end mouth connection of transformer, frequency are in stable state.
In an optional embodiment, the DC port of the electric power electric transformer of three ports and the second renewable energy system
After system and the access of the second energy-storage system, determine that the direct current connecting with the DC output end mouth of three port electric power electric transformers is female
The voltage magnitude of line, frequency are in stable state, and DC load is accessed, and make the DC terminal of three port electric power electric transformers
Mouth, the second renewable energy system and the second energy-storage system provide DC voltage for DC load.
Power supply system provided in this embodiment starts method, for starting power supply system provided by embodiment one, the confession
It includes three port electric power electric transformers of starting that electric system, which starts method,；Access the first renewable energy system and the first energy storage system
System；The second renewable energy system and the second energy-storage system are accessed, it is all right when access every time by the orderly each system of access
The stable state of system is judged, it is ensured that system is constantly in steady operational status, improves the starting success rate of system.
Further, the embodiment of the invention also provides a kind of machine readable storage medium, the machine readable storage mediums
It is stored with machine-executable instruction, when being called and being executed by processor, machine-executable instruction promotees the machine-executable instruction
Processor is set to realize above-mentioned power supply system starting method.
Power supply system and power supply system provided in an embodiment of the present invention start method technical characteristic having the same, so
It can solve identical technical problem, reach identical technical effect.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can
To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.It is described to be used as separation unit
The unit that part illustrates may or may not be physically separated, and component shown as a unit can be or can also
Not to be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Needs some or all of the units may be selected to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in embodiment provided by the invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of power supply system, which is characterized in that the system comprises：Three port electric power electric transformers, the first renewable energy
Source system, the first energy-storage system, the second renewable energy system and the second energy-storage system；
The input terminal of three port electric power electric transformer is connect with high-voltage fence；
The friendship of first renewable energy system and first energy-storage system with three port electric power electric transformer
The connection of galvanic electricity output port；
Second renewable energy system and second energy-storage system are straight with three port electric power electric transformer
The connection of galvanic electricity output port.
2. system according to claim 1, which is characterized in that first renewable energy system includes the first photovoltaic system
System and the first wind energy system.
3. system according to claim 1, which is characterized in that second renewable energy system includes the second photovoltaic system
System, the second wind energy system.
4. system according to claim 1, which is characterized in that first renewable energy system and first energy storage
System is connect by ac bus with the alternating current output port of three port electric power electric transformer；Described second is renewable
Energy resource system and second energy-storage system pass through the direct current electricity output of DC bus and three port electric power electric transformer
Port connection.
5. a kind of power supply system starts method, the power supply system is the described in any item power supply systems of Claims 1 to 4,
It is characterized in that, the method includes：
Start three port electric power electric transformers；
Access the first renewable energy system and the first energy-storage system；
Access the second renewable energy system and the second energy-storage system.
6. according to the method described in claim 5, it is characterized in that, the step of three port electric power electric transformer of the starting,
Including：
Determine that three ports of three port electric power electric transformer are in not-connected status；
Determine that three port electric power electric transformer is in hot stand-by duty；
Determine that the voltage magnitude of high-voltage fence, frequency are in stable state；
The input port of three port electric power electric transformer is connect with the high-voltage fence.
7. according to the method described in claim 5, it is characterized in that, access first renewable energy system and described first
The step of energy-storage system, including：
Determine that first renewable energy system and first energy-storage system are in not-connected status；
Determine voltage magnitude, the frequency of the ac bus connecting with the alternating current output port of three port electric power electric transformer
Rate is in stable state, and first renewable energy system is accessed three port power electronics by the ac bus
The alternating current output port of transformer；
Determine the voltage amplitude for the ac bus connecting with the alternating current output port of three port electric power electric transformer
Value, frequency are in stable state, and first energy-storage system is accessed three port power electronics by the ac bus
The alternating current output port of transformer.
8. the method according to the description of claim 7 is characterized in that it is described first renewable energy system is passed through it is described
Ac bus accesses the step of alternating current output port of three port electric power electric transformer, including：
First photovoltaic system and first wind energy system are accessed into the three ports electricity by the ac bus one by one
The alternating current output port of power electronic transformer；
It is accessed before the alternating current output port of three port electric power electric transformer every time, determining and three port electric power
The voltage magnitude of the ac bus of the alternating current output port connection of electronic transformer, frequency are in stable state.
9. according to the method described in claim 5, it is characterized in that, access second renewable energy system and described second
The step of energy-storage system, including：
Determine that second renewable energy system and second energy-storage system are in not-connected status；
Determine voltage magnitude, the frequency of the DC bus connecting with the DC output end mouth of three port electric power electric transformer
Rate is in stable state, and second renewable energy system is accessed three port power electronics by the DC bus
The DC output end mouth of transformer；
Determine the voltage amplitude for the DC bus connecting with the DC output end mouth of three port electric power electric transformer
Value, frequency are in stable state, and second energy-storage system is accessed three port power electronics by the DC bus
The DC output end mouth of transformer.
10. according to the method described in claim 9, it is characterized in that, described pass through institute for second renewable energy system
The step of DC bus accesses the DC output end mouth of three port electric power electric transformer is stated, including：
Second photovoltaic system and second wind energy system are accessed into the three ports electricity by the DC bus one by one
The DC output end mouth of power electronic transformer；
It is accessed before the DC output end mouth of three port electric power electric transformer every time, determining and three port electric power
The voltage magnitude of the DC bus of the DC output end mouth connection of electronic transformer, frequency are in stable state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968708.4A CN108879788A (en) | 2018-08-23 | 2018-08-23 | Power supply system and power supply system starting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968708.4A CN108879788A (en) | 2018-08-23 | 2018-08-23 | Power supply system and power supply system starting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879788A true CN108879788A (en) | 2018-11-23 |
Family
ID=64321645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968708.4A Pending CN108879788A (en) | 2018-08-23 | 2018-08-23 | Power supply system and power supply system starting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108879788A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970922A (en) * | 2019-11-27 | 2020-04-07 | 广东电网有限责任公司 | Alternating current-direct current hybrid distributed renewable energy system |
| CN111181163A (en) * | 2020-01-08 | 2020-05-19 | 广东电网有限责任公司 | Alternating current-direct current hybrid energy system and combined starting control method thereof |
| CN112018759A (en) * | 2020-08-27 | 2020-12-01 | 广东电网有限责任公司 | Power distribution system and power distribution system starting control method |
| CN112117765A (en) * | 2020-09-22 | 2020-12-22 | 广东电网有限责任公司 | Power distribution and supply system based on five-port power electronic transformer |
| CN112134286A (en) * | 2020-09-22 | 2020-12-25 | 广东电网有限责任公司 | Alternating current-direct current hybrid micro-grid |
| CN112152219A (en) * | 2020-09-23 | 2020-12-29 | 广东电网有限责任公司东莞供电局 | Alternating current-direct current hybrid power distribution network system applied to office living park |
| CN112398112A (en) * | 2020-10-29 | 2021-02-23 | 广东电网有限责任公司 | Island micro power supply system containing three direct current buses |
| CN112636353A (en) * | 2020-12-01 | 2021-04-09 | 广东电网有限责任公司 | Power distribution system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501006A (en) * | 2013-09-26 | 2014-01-08 | 北京北变微电网技术有限公司 | Centralized control method for microgrid |
| CN104882906A (en) * | 2015-05-04 | 2015-09-02 | 华电电力科学研究院 | Distributed micro-grid black-start control system and method based on photovoltaic and energy storage |
| CN105262136A (en) * | 2015-11-19 | 2016-01-20 | 中国科学院广州能源研究所 | Dispatching control method for micro-grid |
| CN205123282U (en) * | 2015-11-19 | 2016-03-30 | 中国科学院广州能源研究所 | Little electric wire netting |
| CN106451562A (en) * | 2016-12-16 | 2017-02-22 | 北京索英电气技术有限公司 | Black-start system and method for wind and light power storage station |
| CN207753466U (en) * | 2017-10-26 | 2018-08-21 | 广东电网有限责任公司电力科学研究院 | A kind of Ac/dc Power Systems based on dual redundant electric power electric transformer |
| CN208835764U (en) * | 2018-08-23 | 2019-05-07 | 广东电网有限责任公司 | Power supply system |
-
2018
- 2018-08-23 CN CN201810968708.4A patent/CN108879788A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501006A (en) * | 2013-09-26 | 2014-01-08 | 北京北变微电网技术有限公司 | Centralized control method for microgrid |
| CN104882906A (en) * | 2015-05-04 | 2015-09-02 | 华电电力科学研究院 | Distributed micro-grid black-start control system and method based on photovoltaic and energy storage |
| CN105262136A (en) * | 2015-11-19 | 2016-01-20 | 中国科学院广州能源研究所 | Dispatching control method for micro-grid |
| CN205123282U (en) * | 2015-11-19 | 2016-03-30 | 中国科学院广州能源研究所 | Little electric wire netting |
| CN106451562A (en) * | 2016-12-16 | 2017-02-22 | 北京索英电气技术有限公司 | Black-start system and method for wind and light power storage station |
| CN207753466U (en) * | 2017-10-26 | 2018-08-21 | 广东电网有限责任公司电力科学研究院 | A kind of Ac/dc Power Systems based on dual redundant electric power electric transformer |
| CN208835764U (en) * | 2018-08-23 | 2019-05-07 | 广东电网有限责任公司 | Power supply system |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970922A (en) * | 2019-11-27 | 2020-04-07 | 广东电网有限责任公司 | Alternating current-direct current hybrid distributed renewable energy system |
| CN111181163A (en) * | 2020-01-08 | 2020-05-19 | 广东电网有限责任公司 | Alternating current-direct current hybrid energy system and combined starting control method thereof |
| CN111181163B (en) * | 2020-01-08 | 2023-03-10 | 广东电网有限责任公司 | Alternating current-direct current hybrid energy system and combined starting control method thereof |
| CN112018759A (en) * | 2020-08-27 | 2020-12-01 | 广东电网有限责任公司 | Power distribution system and power distribution system starting control method |
| CN112117765A (en) * | 2020-09-22 | 2020-12-22 | 广东电网有限责任公司 | Power distribution and supply system based on five-port power electronic transformer |
| CN112134286A (en) * | 2020-09-22 | 2020-12-25 | 广东电网有限责任公司 | Alternating current-direct current hybrid micro-grid |
| CN112152219A (en) * | 2020-09-23 | 2020-12-29 | 广东电网有限责任公司东莞供电局 | Alternating current-direct current hybrid power distribution network system applied to office living park |
| CN112398112A (en) * | 2020-10-29 | 2021-02-23 | 广东电网有限责任公司 | Island micro power supply system containing three direct current buses |
| CN112636353A (en) * | 2020-12-01 | 2021-04-09 | 广东电网有限责任公司 | Power distribution system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108879788A (en) | Power supply system and power supply system starting method | |
| CN106130058B (en) | Bipolar multilayer low-voltage direct-current power distribution system for building | |
| CN103365390A (en) | Power supply method for equipment cabinet | |
| CN103606946B (en) | A kind of transmission system promoting interchange overhead transmission line conveying capacity based on MMC | |
| CN208835764U (en) | Power supply system | |
| CN109088441A (en) | Electric power electric transformer and machine optimal load power distribution calculation method and device | |
| Williamson et al. | Project Edison: Smart-DC | |
| CN212435428U (en) | Uninterruptible power supply | |
| CN103888004A (en) | Single-phase PWM rectifier for railway AC/DC/AC standby power supply | |
| CN203674797U (en) | Station power microgrid main wiring system | |
| He et al. | Research on AC & DC hybrid power supply system with high‐proportion renewable energy of data centre | |
| CN106356907B (en) | A kind of domestic power system and its operation method | |
| CN112117765A (en) | Power distribution and supply system based on five-port power electronic transformer | |
| CN205691700U (en) | Photovoltaic DC-to-AC converter aging testing system | |
| CN204883580U (en) | Power frame using three-phase power input | |
| CN205986178U (en) | Bipolar multilayer low-voltage direct-current power distribution system for building | |
| CN205986141U (en) | Power supply circuit of air conditioning unit | |
| CN102710004A (en) | Efficient power supply method of data center | |
| CN208461698U (en) | Commutator transformer topological structure | |
| CN115610263A (en) | Charging system of charging pile, control method thereof and related device | |
| CN107809111B (en) | DC micro-grid structure, control method thereof, storage medium and processor | |
| Xu et al. | Researches on grounding modes of the AC/DC hybrid system with various distributed renewable energy | |
| CN204761034U (en) | Join in marriage grid voltage and administer device | |
| CN204334402U (en) | Motor local compensation energy saver | |
| CN203491718U (en) | Multi-voltage source multi-microgrid system framework |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |