CN108899899A - intelligent power unit - Google Patents
intelligent power unit Download PDFInfo
- Publication number
- CN108899899A CN108899899A CN201810778762.2A CN201810778762A CN108899899A CN 108899899 A CN108899899 A CN 108899899A CN 201810778762 A CN201810778762 A CN 201810778762A CN 108899899 A CN108899899 A CN 108899899A
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- China
- Prior art keywords
- intelligent power
- terminal
- electric energy
- transmission branch
- power unit
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a kind of intelligent power units, including input terminal, transport part and terminal, wherein：Input terminal is used for external inputing power；Transport part has the first transmission branch and the second transmission branch；First transmission branch is connect with input terminal, and the second transmission branch is connect with the input terminal；There is tie point, tie point external connecting wire road, connection line with other intelligent power units for connecting, the connection line conducting in the case where meeting the first preset condition in second transmission branch；The terminal provides electric energy to user terminal, and terminal is connect with first transmission branch, and the terminal is connect with second transmission branch, and in the case where meeting the second preset condition, the terminal provides power to user terminal by second transmission branch.By adopting the above technical scheme, in the case where source abnormal electrical power supply, electric energy can be continued for seamless supplement of electric load of abnormal branch, effectively improves the power supply reliability of system.
Description
Technical field
The present invention relates to adapted electrical domain more particularly to a kind of intelligent power units.
Background technique
It is traditional with power utilization network reliability largely rely on distribution network topology reasonability (or redundancy) and
The operational reliability of relevant device.Although can improve power supply reliability by complicated distribution topological structure, investment is huge, builds
If it is complicated, and the increase of equipment itself also reduces the robustness of distribution entirety.On the other hand, match electricity consumption tip link, with
With single transmission path is inherently present between network source, redundancy is insufficient, and power supply reliability is significantly limited by equipment certainly
The reliability of body, under the series connection mode of plurality of devices, the electricity consumption reliability of terminal user further declines, this is existing
With the insurmountable problem of net topology.
User demanding for power supply reliability, power failure in short-term will also result in huge loss；For some
Sensitive power supply area, power failure may cause the negative effect except economic factor, so how effective raising supplies
Electric reliability has huge Social benefit and economic benefit.
Summary of the invention
Goal of the invention：The present invention is intended to provide a kind of intelligent power unit.
Technical solution：Intelligent power unit of the invention, including input terminal, transport part and terminal, wherein：The input terminal
For external inputing power；The transport part has the first transmission branch and the second transmission branch；First transmission branch with
The input terminal connection, second transmission branch are connect with the input terminal；There is tie point in second transmission branch,
The tie point can external circuit, the connection line presets item in satisfaction first for connecting with other intelligent power units
The connection line conducting under part；The terminal is used to provide electric energy, the terminal and first transmission branch to user terminal
Connection, the terminal is connect with second transmission branch, and in the case where meeting the second preset condition, the terminal passes through described second
Transmission branch provides power to user terminal.
Optionally, the connection line of the intelligent power unit is equipped with circuit switch.
Optionally, external circuit is equipped between the circuit switch and the tie point, the external circuit is for external
External power supply.
Optionally, first preset condition is：The other intelligent power units being connect with the intelligent power unit
Electric energy occurs and is unable to satisfy preset need；When meeting first preset condition, the circuit switch closure, the intelligence is used
Electric unit provides power to other intelligent power units by second transmission branch and the connection line.
Optionally, second preset condition is：The electric energy that the intelligent power unit provides is unable to satisfy user terminal and needs
It asks；When meeting second preset condition, the circuit switch closure, second transmission branch and the connection line will
The electric energy that other intelligent power units provide passes through the terminal transmission to user terminal.
Optionally, AC/DC changeover switch is equipped between the tie point and the input terminal in second transmission branch；
DC-AC converter is equipped between the tie point and the user terminal in second transmission branch.
Optionally, the capacity of the AC/DC changeover switch is determined according to the external inputing power of the input terminal；It is described straight
The electric energy determines the capacity of a-c transducer according to the user end.
Optionally, electric energy accumulator is equipped between the circuit switch and the tie point, it is default meeting described first
When condition, the circuit switch closure, the electric energy accumulator provides power to other intelligence by the connection line
Power unit.
Optionally, electric energy accumulator is equipped between the circuit switch and the tie point, it is default meeting described second
When condition, the electric energy accumulator provides power to user terminal by second transmission branch.
Optionally, self detection unit, self detection unit is for detecting each position on the intelligent power unit
The energy value set；In the case where user terminal has reactive compensation demand, DC-AC converter output reactive power.
Beneficial effect：Compared with prior art, the present invention has the following obvious advantages：By the way that one kind is arranged in user side
Intelligent power unit, the intelligent power unit that user side can be arranged in intelligent power unit with other are connect, a certain user
When the demand that electrical energy demands are unable to satisfy user terminal occurs in the branch at end, the intelligent power unit of other branch roads can be this
The intelligent power unit of branch road provides electric energy, avoid user due to losing electric energy supply caused by loss, guarantee user short
It can restore electric energy supply in time.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent power unit provided in an embodiment of the present invention.
Specific embodiment
Since the existing redundancy with power utilization network grid structure itself is insufficient, and it is inherently present between terminal user
Single transmission path, so the power supply reliability of adapted power grid, it is difficult to meet wanting for special area and non-firm power demand user
It asks.In distribution network failure or under electrical equipment fault condition, will cause user's power loss, user to high power supply reliability or
Region brings about great losses.
It is provided by the invention to establish one layer of Novel Internet between each branch with power utilization network with power utilization network topology
Network is powered when something goes wrong in certain branch with power utilization network, other branches can provide electric energy for the branch to go wrong,
Power supply is avoided to interrupt to loss caused by user security risk.
By the way that a kind of intelligent power unit is arranged in user side, the intelligent power unit can be set the present invention with other
The intelligent power unit connection in user side is set, the need that electrical energy demands are unable to satisfy user terminal occurs in the branch of a certain user terminal
When asking, the intelligent power unit of other branch roads can provide electric energy for the intelligent power unit of this branch road, effectively be promoted
The power supply reliability of terminal user.
Technical solution of the present invention is described further with reference to the accompanying drawing.
Refering to fig. 1, the present invention provides a kind of intelligent power unit, including input terminal 1, transport part and terminal, wherein：It is described
Input terminal 1 is used for external inputing power；The transport part has the first transmission branch 7 and the second transmission branch；Described first passes
Defeated branch 7 is connect with the input terminal 1, and second transmission branch is connect with the input terminal 1；In second transmission branch
With tie point, the tie point extension connection line 8, the connection line 8 is used to connect with other intelligent power units,
Meet the connection line 8 under the first preset condition to be connected；The terminal is used to provide electric energy, the terminal and institute to user terminal
The connection of the first transmission branch 7 is stated, the terminal is connect with second transmission branch, described in the case where meeting the second preset condition
Terminal provides power to user terminal by second transmission branch.
In specific implementation, the input terminal 1 of the intelligent power unit can be used for receiving through transformation for receiving electric energy
The alternating current come is transmitted after device transformation, can be used for receiving direct current.
In specific implementation, first transmission branch 7 receives the electric power that the transmission of input terminal 1 comes, and directly passes electric power
Terminal is transported to, for user terminal use.
In specific implementation, second transmission branch also can receive the electric power that the transmission of input terminal 1 comes, and electric power is passed
Terminal is transported to, for user terminal use.Meanwhile the tie point extension in second transmission branch has connection line 8, the company
Link 8 with the connection line 8 of other intelligent power units for connecting, the connection line in the case where meeting the first preset condition
8 conductings.
In specific implementation, the electric energy that first preset condition can be that the intelligent power unit provides is unable to satisfy
There is the event that electric energy supply is interrupted in the demand of corresponding user terminal, the branch where being also possible to the intelligent power unit
Barrier.In the above circumstances, the connection line 8 is connected, other intelligent power units can mention for the intelligent power unit
For electric energy.
In specific implementation, the electric energy that first preset condition can be the offer of other intelligent power units is unable to satisfy
There is the event that electric energy supply is interrupted in the demand of corresponding user terminal, the branch where being also possible to other intelligent power units
Barrier.In the above circumstances, the connection line 8 is connected, and the intelligent power unit can mention for other intelligent power units
For electric energy.
In specific implementation, first preset condition can be arranged according to the actual situation according to user.
In specific implementation, when other intelligent power units provide electric energy for the intelligent power unit, that is, meet institute
The second preset condition is stated, the connection line 8 that other intelligent power units pass through the intelligent power unit is to be transmitted to electric energy
Second transmission branch of the intelligent power unit, second transmission branch provide power to phase by the terminal
The user terminal answered.
It in specific implementation, is the end by first transmission branch 7 when the intelligent power unit works normally
End provides electric energy, and the terminal provides power to corresponding user terminal.It, can be only by described when meeting the second preset condition
Second transmission branch provides electric energy for the terminal, can also be by first transmission branch 7 and first transmission branch 7
The terminal provides electric energy.
In the embodiment of the present invention, the connection line 8 of the intelligent power unit is equipped with circuit switch 6.
In specific implementation, by controlling conducting of the circuit switch 6 to control the connection line 8 whether.
In the embodiment of the present invention, external circuit 5, the external connection are equipped between the circuit switch 6 and the tie point
Road 5 is used for external extra power.
It in specific implementation, is the intelligent power by the electric energy that the external circuit 5 can be provided by extra power
Second transmission branch of unit provides electric energy, can also provide electric energy to other intelligent power units.Extra power provides
The direct current that can be also possible to alternating current.
In specific implementation, extra power can be other clean energy resourcies such as solar energy, small-sized wind energy.The intelligent power
The target of protection environment may be implemented in unit.
In the embodiment of the present invention, first preset condition is：The others intelligence being connect with the intelligent power unit
Power unit occurs electric energy and is unable to satisfy preset need；When meeting first preset condition, the circuit switch 6 is closed,
The intelligent power unit provides power to other intelligent powers by second transmission branch and the connection line 8
Unit.
In the embodiment of the present invention, second preset condition is：The electric energy that the intelligent power unit provides is unable to satisfy
User terminal demand；When meeting second preset condition, the circuit switch 6 is closed, the terminal and second transmission
It is connected between branch, second transmission branch and the connection line 8 lead to the electric energy that other intelligent power units provide
The terminal transmission is crossed to user terminal.
In the embodiment of the present invention, it is equipped with and is handed over directly between the tie point and the input terminal 1 in second transmission branch
Stream transformer 2；DC-AC converter 3 is equipped between the tie point and the user terminal in second transmission branch.
In specific implementation, the input terminal 1 of the intelligent power unit is for receiving electric energy, commonly used in receiving through transformation
The alternating current come is transmitted after device transformation, however alternating current is supplied to other intelligent powers by the either described intelligent power unit
Alternating current is supplied to the intelligent power unit by unit or other intelligent power units, and the use of alternating current needs to consider
The factors such as the frequency and phase of voltage, if improper use can generate extremely serious consequence to user.
It in specific implementation, is direct current by AC conversion, in this way by direct current by the way that AC/DC changeover switch 2 is arranged
After being supplied to other intelligent power units, other intelligent power units can be supplied directly using direct current.Pass through setting
DC-AC converter 3, the alternating current that the intelligent power unit can provide other intelligent power units are converted to direct current,
And it is directly transferred to terminal, terminal is supplied to corresponding user terminal.
In the embodiment of the present invention, the capacity of the AC/DC changeover switch 2 is true according to the external inputing power of the input terminal 1
It is fixed；The electric energy determines the capacity of the DC-AC converter 3 according to the user end.
In specific implementation, due to very high with the electrical power in power utilization network, it is easy to appear failure, according to actually making
AC/DC changeover switch 2 is set with situation and DC-AC converter 3 can be to avoid the electrical power mistake on the route of intelligent power unit
It is high.Even the electric energy that the intelligent power unit provides is unable to satisfy the demand of corresponding user terminal, other intelligent power lists
Member can provide electric energy for the intelligent power unit.
During the present invention is implemented, electric energy accumulator 4 is equipped between the circuit switch 6 and the tie point, described in satisfaction
When the first preset condition, the circuit switch 6 is closed, and the electric energy accumulator 4 is provided power to by the connection line 8
Other intelligent power units.
In the embodiment of the present invention, electric energy accumulator 4 is equipped between the circuit switch 6 and the tie point, meeting
When stating the second preset condition, the electric energy accumulator 4 provides power to user terminal by second transmission branch.
In specific implementation, a timing is needed since other intelligent power units provide electric energy for the intelligent power unit
Between complete.Therefore, avoiding electric energy missing is loss caused by user security risk, and the electric energy accumulator 4 of the intelligent power unit can be with
Electric energy is discharged, the corresponding user terminal of the intelligent power unit provides electric energy, the electric energy that electric energy accumulator 4 discharges in a short time
Second transmission branch is transmitted to by connection line 8.
In specific implementation, electric energy accumulator 4 or other intelligent power units provide electric energy.
In specific implementation, due to being provided with DC-AC converter 3, the direct current that electric energy accumulator 4 discharges can be converted
For alternating current and it is supplied to user terminal.
In specific implementation, due to being provided with AC/DC changeover switch 2, in intelligent power unit course of normal operation, electricity
The direct current of the conversion of AC/DC changeover switch 2 can be used as charge power supply in energy reservoir 4.
In the embodiment of the present invention, self detection unit, self detection unit is for detecting the intelligent power unit
The energy value of upper each position；In the case where user terminal has reactive compensation demand, 3 output reactive power of DC-AC converter.
In specific implementation, the energy value detected by self detection unit can judge whether satisfaction first accordingly
Preset condition, or whether meet the second preset condition.
In specific implementation, power factor and power quality are also for the very important factor of user terminal, therefore,
In the case where user terminal has reactive compensation or promotes power quality demand, DC-AC converter 3, which exports electric energy, sufficiently to be rung
Answer user demand.
In the case where user terminal has reactive compensation or power quality controlling demand, DC-AC converter can be terminal user
Output reactive power, or the electric energy for meeting user's requirement is provided.
Claims (10)
1. a kind of intelligent power unit, which is characterized in that including input terminal, transport part and terminal, wherein：
The input terminal is used for external inputing power；
The transport part has the first transmission branch and the second transmission branch；First transmission branch and the input terminal connect
It connects, second transmission branch is connect with the input terminal；There is tie point, outside the tie point in second transmission branch
Prolong connection line, the connection line with other intelligent power units for connecting, the company in the case where meeting the first preset condition
Link conducting；
The terminal is used to provide electric energy to user terminal, and the terminal is connect with first transmission branch, the terminal and institute
The connection of the second transmission branch is stated, in the case where meeting the second preset condition, the terminal is mentioned electric energy by second transmission branch
Supply user terminal.
2. intelligent power unit according to claim 1, which is characterized in that
The connection line of the intelligent power unit is equipped with circuit switch.
3. intelligent power unit according to claim 2, which is characterized in that
External circuit is equipped between the circuit switch and the tie point, the external circuit is used for external extra power.
4. intelligent power unit according to claim 2, which is characterized in that
First preset condition is：Electric energy occurs for the other intelligent power units connecting with the intelligent power unit can not
Meet preset need；
When meeting first preset condition, the circuit switch closure, the intelligent power unit is passed by described second
Defeated branch and the connection line provide power to other intelligent power units.
5. intelligent power unit according to claim 2, which is characterized in that
Second preset condition is：The electric energy that the intelligent power unit provides is unable to satisfy user terminal demand；
When meeting second preset condition, the circuit switch is closed, second transmission branch and the connection line
The electric energy that other intelligent power units provide is passed through into the terminal transmission to user terminal.
6. intelligent power unit according to claim 2, which is characterized in that
AC/DC changeover switch is equipped between the tie point and the input terminal in second transmission branch；Second transmission
DC-AC converter is equipped between the tie point and the user terminal of branch road.
7. intelligent power unit according to claim 6, which is characterized in that
The capacity of the AC/DC changeover switch is determined according to the external inputing power of the input terminal；The DC-AC converter
Capacity according to the user end needed for electric energy determine.
8. intelligent power unit according to claim 2, which is characterized in that
Electric energy accumulator is equipped between the circuit switch and the tie point, it is described when meeting first preset condition
Circuit switch closure, the electric energy accumulator provide power to other intelligent power units by the connection line.
9. intelligent power unit according to claim 2, which is characterized in that
Electric energy accumulator is equipped between the circuit switch and the tie point, it is described when meeting second preset condition
Electric energy accumulator provides power to user terminal by second transmission branch.
10. intelligent power unit according to claim 1, which is characterized in that further include：
Self detection unit, self detection unit are used to detect the electrical value of each position on the intelligent power unit；
In the case where user terminal has reactive compensation demand, DC-AC converter output reactive power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778762.2A CN108899899A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810778762.2A CN108899899A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108899899A true CN108899899A (en) | 2018-11-27 |
Family
ID=64349744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810778762.2A Pending CN108899899A (en) | 2018-07-16 | 2018-07-16 | intelligent power unit |
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| Country | Link |
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| CN (1) | CN108899899A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528223U (en) * | 2009-10-13 | 2010-07-14 | 青岛经济技术开发区创统科技发展有限公司 | Multi-power supply complementary power supply unit |
| CN104704706A (en) * | 2012-10-04 | 2015-06-10 | 伊顿公司 | UPS with multiple independent static switches |
| CN106130167A (en) * | 2016-07-11 | 2016-11-16 | 合肥联信电源有限公司 | A kind of out of phase dual power supply apparatus for fast switching |
| CN106356905A (en) * | 2016-09-07 | 2017-01-25 | 广东工业大学 | Alternating-current and direct-current double-bus controllable power transmission system |
| US20170354067A1 (en) * | 2014-12-15 | 2017-12-07 | Aecom Australia Pty Ltd | Power system and method |
| CN206922429U (en) * | 2017-04-06 | 2018-01-23 | 北京中联智能科技有限公司 | A kind of data center's supplying DC grid-connected system |
-
2018
- 2018-07-16 CN CN201810778762.2A patent/CN108899899A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528223U (en) * | 2009-10-13 | 2010-07-14 | 青岛经济技术开发区创统科技发展有限公司 | Multi-power supply complementary power supply unit |
| CN104704706A (en) * | 2012-10-04 | 2015-06-10 | 伊顿公司 | UPS with multiple independent static switches |
| US20170354067A1 (en) * | 2014-12-15 | 2017-12-07 | Aecom Australia Pty Ltd | Power system and method |
| CN106130167A (en) * | 2016-07-11 | 2016-11-16 | 合肥联信电源有限公司 | A kind of out of phase dual power supply apparatus for fast switching |
| CN106356905A (en) * | 2016-09-07 | 2017-01-25 | 广东工业大学 | Alternating-current and direct-current double-bus controllable power transmission system |
| CN206922429U (en) * | 2017-04-06 | 2018-01-23 | 北京中联智能科技有限公司 | A kind of data center's supplying DC grid-connected system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Effective date of registration: 20200413 Address after: 210012 Room 102, building 1, no.170-1, software Avenue, Yuhuatai District, Nanjing City, Jiangsu Province Applicant after: Nanjing Rongtai Electric Automation Co.,Ltd. Address before: 211100 6 building, Ming FA Commercial Plaza, 99 Yulan Road, Yuhuatai District, Nanjing, Jiangsu. Applicant before: Zhang Zhe |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |