CN205829186U - Building electric power system - Google Patents
Building electric power system Download PDFInfo
- Publication number
- CN205829186U CN205829186U CN201620784164.2U CN201620784164U CN205829186U CN 205829186 U CN205829186 U CN 205829186U CN 201620784164 U CN201620784164 U CN 201620784164U CN 205829186 U CN205829186 U CN 205829186U
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- CN
- China
- Prior art keywords
- building
- electric power
- power system
- photovoltaic
- plate array
- 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.)
- Expired - Fee Related
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
Abstract
nullThe utility model discloses a kind of building electric power system，Aim to provide and a kind of convert the solar into the electric energy building electric power system for self，Its drip irrigation device is to include photovoltaic plate array、Controller、Header box、Inverter、AC power distribution cabinet/AC distribution panel，Chopper it is provided with in header box、DC fuse、DC lightning prevention device，Counterflow-preventing module it is provided with in AC power distribution cabinet/AC distribution panel、Ammeter、Communication lightning-protection device，Effectively converted solar energy into electrical energy by photovoltaic plate array，By controller and inverter, the electric energy converted is processed again，Voltage is matched with the level of line voltage，And make peak power keep balance with the delivering power to electrical network，So that electric energy is suitable for the use of load and is connected to the grid，So that whole building electric power system has the advantage converting the solar into electric energy for self.
Description
Technical field
This utility model relates to field of power distribution, particularly to a kind of building electric power system.
Background technology
Along with science and technology fast development, people are increasing for the demand of electric energy, particularly office block and
The building such as office building is very big for the demand of electric energy, and the consumption for electric energy is the most increasing.
At present, the Chinese patent of Publication No. CN203573118U discloses a kind of office power saving apparatus, and it includes people
Number acquisition device, comparison means, main power managing device, switching device, first obtain number and the sign-out number of registering, the most right
Both compare, and have clerical workforce in work when the number of registering is more than sign-out number, at this moment compare dress in explanation office
Putting output high level signal, main power managing device exports switching signal according to high level signal, and switching device is according to the letter that closes a floodgate
Number conducting for office distribution box input electric energy electric lines of force, start to office indoor power supply；When the number of registering is equal to
During sign-out number, at this moment comparison means output low level signal, main power managing device is according to low level signal output separating brake letter
Number, switching device cuts off the external power source electric energy supply to the distribution box of office according to this sub-gate signal, it is to avoid electric energy
Waste.
Although this office power saving apparatus has certain energy-saving effect, but consumes big in energy supply
The electric energy of amount.
Utility model content
A purpose of the present utility model is to provide a kind of building electric power system, and it has and converts the solar into electric energy and be provided from
The advantage that body uses.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of building electric power system, including electrical network and load, also includes photovoltaic power generation grid-connecting system, photovoltaic power generation grid-connecting system
System includes
Photovoltaic plate array, is made up of some solar energy photovoltaic panels, is used for converting solar energy into electrical energy and sending
To electrical network and load；
Controller, is connected to photovoltaic plate array, for by the voltage-regulation of photovoltaic plate array to electricity
The level that net voltage matches, and the peak power being sent photovoltaic plate array carries out with the power transmitted to electrical network
Balance；
Inverter, is connected to controller, electrical network and load, for direct current energy is converted into AC energy, and
Automatically voltage is adjusted.
Be arranged such, effectively converted solar energy into electrical energy by photovoltaic plate array, then by controller with
And inverter to convert electric energy process so that voltage matches with the level of line voltage, and make peak power and
Balance is kept to the delivering power of electrical network, so that electric energy is suitable for the use of load and is connected to the grid, so that
Whole building electric power system has the advantage converting the solar into electric energy for self.
Arrange further: be connected between photovoltaic plate array and controller and have header box, be used for reducing solar energy
Line between volt plate array and controller.
It is arranged such, owing to photovoltaic plate array being provided with multiple solar energy photovoltaic panel, so at photovoltaic
A lot of lines can be produced when plate array is connected with controller, thus cause great inconvenience, make solar energy by header box
Line between photovoltaic panel array and controller greatly reduces, so that the structure of whole building supply module is simpler,
Run more stable.
Arrange further: inverter connects AC power distribution cabinet/AC distribution panel, for inverter being detected and protecting.
It is arranged such, passes through AC power distribution cabinet/AC distribution panel so that inverter is the most preferably protected, so that inversion
Device the most more safety and stability, so that whole photovoltaic power generation grid-connecting system more safety and stability so that building
The power supply effect of electric power system is more outstanding.
Arrange further: header box includes
Chopper, is used for automatically engaging regular link and excision anomalous line；
DC fuse, for the automatic shutoff circuit when circuital current exceedes setting.
It is arranged such, by chopper and DC fuse so that header box has higher protected effect, to header box
Interior circuit is effectively protected, so that the transmission from the electric energy of photovoltaic plate array generation is more stable, makes
The power supply effect obtaining whole building electric power system is more outstanding.
Arrange further: header box is provided with DC lightning prevention device.
Being arranged such, by DC lightning prevention device so that when thunderstorm weather, header box also is able to safe being operated,
Efficiently avoid the header box caused due to thunderbolt and the damage of whole building electric power system so that the safety of header box
Performance is higher.
Arrange further: AC power distribution cabinet/AC distribution panel includes
Counterflow-preventing module, is used for preventing photovoltaic plate array from producing inverse probability；
Ammeter, for measuring the power consumption of photovoltaic power generation grid-connecting system.
It is arranged such, is effectively prevented the generation of backflow phenomena by counterflow-preventing module, by ammeter intuitively to electric energy
Various electrical quantities show, in order to the running status of photovoltaic power generation grid-connecting system is carried out real-time by staff
Solve, so that the function of AC power distribution cabinet/AC distribution panel is abundanter, better outstanding.
Arrange further: AC power distribution cabinet/AC distribution panel is provided with communication lightning-protection device.
Being arranged such, by communication lightning-protection device so that when thunderstorm weather, AC power distribution cabinet/AC distribution panel also is able to safe carry out work
Make, efficiently avoid the AC power distribution cabinet/AC distribution panel caused due to thunderbolt and the damage of whole building electric power system so that exchange
The security performance of power distribution cabinet is higher
Arrange further: ammeter is two-way ammeter.
It is arranged such so that power consumption and the generated energy of photovoltaic power generation grid-connecting system are carried out counting in time and accurately by ammeter
Amount so that staff for whole photovoltaic power generation grid-connecting system understanding in further detail so that whole building powers and is
The work more safety and stability of system.
Accompanying drawing explanation
Fig. 1 is the theory diagram of embodiment 1 building electric power system；
Fig. 2 is the theory diagram of embodiment 1 photovoltaic power generation grid-connecting system.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment 1: a kind of building electric power system, as shown in Figure 1 to Figure 2, the outer wall in building is provided with for by solar energy
Be converted into electric energy and send the photovoltaic plate array to electrical network and load, photovoltaic plate array with for reduce too
The header box of the line between sun energy photovoltaic panel array and controller is connected, and is respectively provided with and just automatically engages in header box
Often circuit and the chopper of excision anomalous line, direct current fusing for the automatic shutoff circuit when circuital current exceedes setting
Device, for prevent thunderbolt DC lightning prevention device.
Header box is connected with controller again, controller for by the voltage-regulation of photovoltaic plate array to and electrical network
The level that voltage matches, and the peak power being sent photovoltaic plate array puts down with the power transmitted to electrical network
Weighing apparatus；Controller is connected with inverter, and inverter for being converted into AC energy by direct current energy, and automatically adjusts voltage
Whole.
Inverter connects the AC power distribution cabinet/AC distribution panel for detecting self and protect, and sets respectively in AC power distribution cabinet/AC distribution panel
Have for preventing photovoltaic plate array from producing the counterflow-preventing module of inverse probability, for the electricity consumption to photovoltaic power generation grid-connecting system
Two-way ammeter that amount and generated energy carry out measuring, for preventing the communication lightning-protection device of thunderbolt.
When building electric power system is properly functioning, sunlight is radiated on photovoltaic plate array, solar energy photovoltaic panel battle array
Row convert solar energy into electric energy, produce voltage, electric current and other electrical quantities simultaneously, and electric energy is transmitted by circuit, and
It is sent to the inverter after controller and controller by header box.
Electric energy is by time in header box, if circuit generation exception and current value are not above setting, fuse does not melts
Disconnected, chopper excises producing abnormal circuit, and All other routes are properly functioning；When line current exceedes setting, molten
Disconnected device directly fuses and is disconnected by circuit.The cabinet that confluxes is protected by the DC lightning prevention device in header box when there being thunder to produce simultaneously.
Electric energy, through changer, can set up direct current ring between changer and inverter, and changer is according to electrical network electricity
The size of pressure regulates the voltage of photovoltaic array to reach the level matched with electrical network, and changer also serves as peak power simultaneously
Point tracker, convertor controls maximum power of photovoltaic cell point is followed the tracks of, and is controlled waveform and the power of grid-connected inverters electric current, makes
The peak power electric energy that the power transmitted to electrical network and photovoltaic plate array are sent out mutually balances.
Inverter is used for providing power to AC system, and usual photovoltaic combining inverter main circuit uses voltage-type inversion
Topological structure, system uses the circuit structure of three-phase bridge, and inverter voltage is connected with electrical network by inductance, it is achieved photovoltaic power generation grid-connecting
The operation of system.
The electric energy now processed through controller and inverter by AC power distribution cabinet/AC distribution panel send to building various negative
Carry, be incorporated in electrical network when electric energy has unnecessary.
Sending electric energy to when loading at AC power distribution cabinet/AC distribution panel, power consumption is measured by two-way ammeter；At AC power distribution cabinet/AC distribution panel
When sending electric energy to electrical network, generated energy is measured by two-way ammeter, and the metering of power consumption and generated energy is carried out simultaneously.Simultaneously
AC power distribution cabinet/AC distribution panel is protected by the communication lightning-protection device in AC power distribution cabinet/AC distribution panel when there being thunder to produce.
Inverter, when the DC power conversion that photovoltaic plate array produces is become alternating current, can be mingled with DC component
And harmonic wave, three-phase current unbalance, output is uncertain, so when there being generated output to be sent to electrical network, will be to electricity
Net produces harmonic pollution, easily causes the disadvantageous phenomenons such as voltage ripple of power network, flickering, when having many such energy sources to electrical network
During transmission of electricity, the counterflow-preventing module of AC power distribution cabinet/AC distribution panel prevents the generation of inverse probability.
The above embodiments are only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (8)
1. a building electric power system, including electrical network and load, it is characterised in that: also include photovoltaic power generation grid-connecting system, photovoltaic
Electricity generation grid-connecting system includes
Photovoltaic plate array, is made up of some solar energy photovoltaic panels, is used for converting solar energy into electrical energy and sending to electricity
Net and load；
Controller, is connected to photovoltaic plate array, for the voltage-regulation of photovoltaic plate array is extremely electric with electrical network
Press the level matched, and the peak power being sent photovoltaic plate array is put down with the power transmitted to electrical network
Weighing apparatus；
Inverter, is connected to controller, electrical network and load, for direct current energy is converted into AC energy, and automatically
Voltage is adjusted.
Building the most according to claim 1 electric power system, it is characterised in that: described photovoltaic plate array and control
Connect between device and have header box, for reducing the line between photovoltaic plate array and controller.
Building the most according to claim 1 electric power system, it is characterised in that: described inverter connects AC distribution
Cabinet, for detecting inverter and protecting.
Building the most according to claim 2 electric power system, it is characterised in that: described header box includes
Chopper, is used for automatically engaging regular link and excision anomalous line；
DC fuse, for the automatic shutoff circuit when circuital current exceedes setting.
Building the most according to claim 4 electric power system, it is characterised in that: described header box is provided with DC lightning prevention device.
Building the most according to claim 3 electric power system, it is characterised in that: described AC power distribution cabinet/AC distribution panel includes
Counterflow-preventing module, is used for preventing photovoltaic plate array from producing inverse probability；
Ammeter, for measuring the power consumption of photovoltaic power generation grid-connecting system.
Building the most according to claim 6 electric power system, it is characterised in that: described AC power distribution cabinet/AC distribution panel is provided with communication lightning-protection
Device.
Building the most according to claim 6 electric power system, it is characterised in that: described ammeter is two-way ammeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784164.2U CN205829186U (en) | 2016-07-23 | 2016-07-23 | Building electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784164.2U CN205829186U (en) | 2016-07-23 | 2016-07-23 | Building electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205829186U true CN205829186U (en) | 2016-12-21 |
Family
ID=57560589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784164.2U Expired - Fee Related CN205829186U (en) | 2016-07-23 | 2016-07-23 | Building electric power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205829186U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769270A (en) * | 2017-10-26 | 2018-03-06 | 广西师范大学 | A kind of intelligent electric meter and its charging method |
| CN108075726A (en) * | 2018-01-18 | 2018-05-25 | 无锡百祺电子科技有限公司 | A kind of solar energy connector with electrical conversion function |
| CN112632783A (en) * | 2020-12-25 | 2021-04-09 | 上海亿边科技有限公司 | Simulation parameter calculation method and device for photovoltaic power generation |
| CN115388942A (en) * | 2022-08-08 | 2022-11-25 | 昆明电器科学研究所 | Environment monitoring system with power generation function and Beidou technology |
-
2016
- 2016-07-23 CN CN201620784164.2U patent/CN205829186U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769270A (en) * | 2017-10-26 | 2018-03-06 | 广西师范大学 | A kind of intelligent electric meter and its charging method |
| CN107769270B (en) * | 2017-10-26 | 2020-12-01 | 广西师范大学 | Intelligent ammeter and charging method thereof |
| CN108075726A (en) * | 2018-01-18 | 2018-05-25 | 无锡百祺电子科技有限公司 | A kind of solar energy connector with electrical conversion function |
| CN112632783A (en) * | 2020-12-25 | 2021-04-09 | 上海亿边科技有限公司 | Simulation parameter calculation method and device for photovoltaic power generation |
| CN112632783B (en) * | 2020-12-25 | 2022-09-06 | 上海亿边科技有限公司 | Simulation parameter calculation method and device for photovoltaic power generation |
| CN115388942A (en) * | 2022-08-08 | 2022-11-25 | 昆明电器科学研究所 | Environment monitoring system with power generation function and Beidou technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |