CN106169748A - A kind of AC bus photovoltaic generation micro-grid system - Google Patents
A kind of AC bus photovoltaic generation micro-grid system Download PDFInfo
- Publication number
- CN106169748A CN106169748A CN201610582774.9A CN201610582774A CN106169748A CN 106169748 A CN106169748 A CN 106169748A CN 201610582774 A CN201610582774 A CN 201610582774A CN 106169748 A CN106169748 A CN 106169748A
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- photovoltaic generation
- bus
- externally fed
- electric energy
- energy
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 23
- 239000000178 monomer Substances 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 238000003491 array Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- H02J3/383—
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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
- 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
Abstract
The invention discloses a kind of AC bus photovoltaic generation micro-grid system, including externally fed AC bus, several user's photovoltaic generation power units and energy input output monitoring unit；Each described user's photovoltaic generation power unit includes solar cell panel assembly and microgrid energy managing device, and described microgrid energy managing device connects described externally fed AC bus by unnecessary electric energy outlet line and external electric energy incoming line；Described energy input output monitoring unit includes photovoltaic generation power table and externally fed power meter, described photovoltaic generation power table is arranged on described unnecessary electric energy outlet line and for monitoring output, and described externally fed power meter is arranged on described external electric energy incoming line and for monitoring input power.The present invention makes the connection of electric energy and uses and transmit more efficient, more flexible, can be the most easily with public power system or other AC bus micro-grid connection adjacent.
Description
Technical field
The present invention relates to a kind of photovoltaic microgrid system technical field, particularly a kind of AC bus photovoltaic generation micro-capacitance sensor
System.
Background technology
China for the definition of micro-capacitance sensor is: micro-capacitance sensor is that power supply is main in a distributed manner, utilizes energy storage and control device to enter
Row regulation in real time, it is achieved the supply network of network internal balance of electric power and ener, can be incorporated into the power networks also can off-network independent operating.Micro-electricity
Net utilizes primary energy, uses micro power, is commonly provided with energy storage device, uses power electronic equipment to carry out energy adjustment, is
A kind of mini-system providing electric energy according to user's request, is generally collectively constituted by load and micro battery, can provide electric energy simultaneously
And heat.Power supply within micro-capacitance sensor is mainly responsible for the conversion of energy by power electronic devices, and provides necessary control；Micro-electricity
Net shows as single controlled cell relative to main electrical network, and can meet user to the reliable and need of secure context of powering simultaneously
Ask.Micro-capacitance sensor be divided into uncontrollable, part is controlled and full control three kinds.
Regenerative resource includes solar energy, wind energy, water energy, biomass energy, geothermal energy and ocean energy etc., and resource potential is big,
Environmental pollution is low, can continuous utilization, be advantageous for harmony between man and nature development important energy source.In regenerative resource, the sun
Can, wind energy especially there is universality and safe and practical property, wherein inexhaustible renewable of the solar energy mankind especially
The energy, have fully clean, be perfectly safe, relatively extensively, resource is sufficient, economical and practical, long-life and non-maintaining property etc. are
Row outstanding advantages.Being especially the regenerative resource that gross reserves enriches the most at China's solar energy, China land accepts too every year
It can theoretical estimated value be 1.47 × 10 that sun can radiate8Hundred million kilowatt hours, are China's current and future on the largest scaleization and industrialization is sent out
The regenerative resource of exhibition potentiality.
Residential electricity consumption photovoltaic microgrid system of the prior art, it is possible to effectively solve outlying areas without electricity and without electricity island
Electrical problem, diesel oil substitute generating set, reduce power supply cost, but be as Internet technology ground development and popularization,
Resident's independent micro-grid system of the prior art can gradually carry out grid-connected with public power system or other micro-capacitance sensor adjacent.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of AC bus photovoltaic generation micro-grid system, energy
Enough meet resident's independent micro-grid system and carry out grid-connected demand with public power system or other micro-capacitance sensor adjacent.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of AC bus photovoltaic generation micro-grid system, including one for provide externally fed externally fed AC bus,
Several user's photovoltaic generation power units, each described user's photovoltaic generation power unit and described externally fed AC bus
Between be provided with energy input output monitoring unit；Each described user's photovoltaic generation power unit includes for accepting sunlight
Irradiate and carry out the solar cell panel assembly of photovoltaic generation, for integrating the microgrid energy management of photovoltaic generation and externally fed
Device, described microgrid energy managing device connects described outside by unnecessary electric energy outlet line and external electric energy incoming line
Between supply and AC bus, and described unnecessary electric energy outlet line and described external electric energy incoming line parallel with one another；Described many
Remaining electric energy outlet line is for by superfluous photovoltaic power generation quantity output extremely described externally fed AC bus, and described external electric energy is defeated
Enter circuit for the electric energy of described externally fed AC bus is delivered to described microgrid energy managing device；Described energy is defeated
Entering output monitoring unit, to include that photovoltaic generation power table and externally fed power meter, described photovoltaic generation power table are arranged at described
On unnecessary electric energy outlet line and be used for monitoring output, described externally fed power meter is arranged at the input of described external electric energy
On circuit and be used for monitoring input power.
As the further improvement of technique scheme, each described user's photovoltaic generation power unit also includes for converging
Collect the photovoltaic generation access case of described solar cell panel assembly generated energy and for by defeated for described solar cell panel assembly
The unidirectional current gone out is converted to the photovoltaic inversion device of alternating current；Described photovoltaic generation access case connects described solar panel
Assembly, described photovoltaic inversion device connects described photovoltaic generation access case, and described microgrid energy managing device connects described
Photovoltaic inversion device.
As the further improvement of technique scheme, described solar cell panel assembly includes several solaodes
Plate monomer and for installing the photovoltaic arrays support of described solar panel monomer；Described photovoltaic generation access case includes
For collecting the direct current conflux case of the generated energy of several described solar panel monomers and for being confluxed by described direct current
The DC power distribution cabinet of the electricity input extremely described photovoltaic inversion device that case collects.
As the further improvement of technique scheme, described unnecessary electric energy outlet line is provided with for improving exchange
The photovoltaic generation transformator of piezoelectric voltage, described external electric energy incoming line is provided with the outside confession for reducing alternating current voltage
Piezoelectric transformer, described photovoltaic generation transformator be arranged at described photovoltaic generation power table and described externally fed AC bus it
Between, described externally fed transformator is arranged between described externally fed power meter and described externally fed AC bus.
As the further improvement of technique scheme, described microgrid energy managing device several are arranged in parallel
Residential electricity consumption equipment.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of AC bus photovoltaic generation micro-grid system provided by the present invention, uses AC bus to connect each micro-capacitance sensor,
Make the connection of electric energy and use and transmit more efficient, more flexible, and being more suitable for the access of multiple renewable energy sources electricity generation system, tool
There is radius of electricity supply width, be prone to the advantage of dilatation, permissible to the described microgrid energy managing device of electricity consumption by arranging from generating
Accomplish the real-time equilibrium of supply and demand, be greatly improved power supply fraction, can the most easily with public power system or adjacent other
AC bus micro-grid connection.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure schematic diagram of a kind of AC bus photovoltaic generation micro-grid system of the present invention；
Fig. 2 is the structural representation of user's photovoltaic generation power unit of the present invention.
Detailed description of the invention
It is the structural representation of one specific embodiment of the present invention referring to figs. 1 through Fig. 2, Fig. 1 to Fig. 2.
As shown in Fig. 1 and Fig. 2 figure, a kind of AC bus photovoltaic generation micro-grid system, including one for providing outside confession
The externally fed AC bus 10 of electricity, several user's photovoltaic generation power units 30, each described user's photovoltaic generation electricity consumption
Energy input output monitoring unit 20 it is provided with between unit 30 and described externally fed AC bus 10；Each described user's light
Volt generating power unit 30 includes carrying out the solar cell panel assembly 31 of photovoltaic generation for accepting sunlight, for whole
Closing photovoltaic generation and the microgrid energy managing device 34 of externally fed, described microgrid energy managing device 34 is by unnecessary electricity
Energy outlet line 42 and external electric energy incoming line 41 connect described externally fed AC bus 10, and the output of described unnecessary electric energy
Between circuit 42 and described external electric energy incoming line 41 parallel with one another；Described unnecessary electric energy outlet line 42 is for by surplus
Photovoltaic power generation quantity output is to described externally fed AC bus 10, and described external electric energy incoming line 41 is for by described outside confession
The electric energy of electricity AC bus 10 is delivered to described microgrid energy managing device 34；Described energy input output monitoring unit 20 wraps
Including photovoltaic generation power table 24 and externally fed power meter 23, it is defeated that described photovoltaic generation power table 24 is arranged at described unnecessary electric energy
Going out on circuit 42 and for monitoring output, described externally fed power meter 23 is arranged at described external electric energy incoming line 41
Go up and be used for monitoring input power.
Specifically, each described user's photovoltaic generation power unit 30 also includes for collecting described solar panel group
The photovoltaic generation access case 32 of part 31 generated energy and the unidirectional current for being exported by described solar cell panel assembly 31 are changed
Photovoltaic inversion device 33 for alternating current；Described photovoltaic generation access case 32 connects described solar cell panel assembly 31, institute
Stating photovoltaic inversion device 33 and connect described photovoltaic generation access case 32, described microgrid energy managing device 34 connects described light
Volt power-generation inversion device 33.Described solar cell panel assembly 31 includes several solar panel monomers and for installing
The photovoltaic arrays support of described solar panel monomer；Described photovoltaic generation access case 32 includes for collecting described in several
The direct current conflux case of the generated energy of solar panel monomer and the electricity for being collected by described direct current conflux case input extremely
The DC power distribution cabinet of described photovoltaic inversion device 33.It is provided with for improving alternating current on described unnecessary electric energy outlet line 42
The photovoltaic generation transformator 22 of voltage, described external electric energy incoming line 41 is provided with the outside for reducing alternating current voltage
Supply transformer 21, described photovoltaic generation transformator 22 is arranged at described photovoltaic generation power table 24 and exchanges with described externally fed
Between bus 10, described externally fed transformator 21 is arranged at described externally fed power meter 23 and exchanges always with described externally fed
Between line 10.Several residential electricity consumption equipment 35 it have been arranged in parallel in described microgrid energy managing device 34.
When described solar cell panel assembly 31 works, photovoltaic power generation quantity is by described photovoltaic generation access case 32, described
Photovoltaic inversion device 33 is delivered to described microgrid energy managing device 34, by described microgrid energy managing device 34 to institute
State residential electricity consumption equipment 35 to be powered, when total electric power of described residential electricity consumption equipment 35 is more than described solar panel
During the generated energy of assembly 31, described microgrid energy managing device 34 connects outside confession by described external electric energy incoming line 41
Electricity, when total electric power of described residential electricity consumption equipment 35 is less than the generated energy of described solar cell panel assembly 31, described
Microgrid energy managing device 34 by described unnecessary electric energy outlet line 42 unnecessary photovoltaic power generation quantity is delivered to described outside
Portion's supply and AC bus 10.Described photovoltaic generation power table 24 and described externally fed power meter 23 can be monitored resident in real time and be used
The delivery at family and power consumption, described photovoltaic generation transformator 22 and described externally fed transformator 21 can improve alternating current
Carry voltage and too much clutter can be avoided with modulate circuit, thus reducing the transmission losses of described externally fed AC bus 10
And the quality of power supply.
Preferably enforcement to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned enforcement
The form that mode is different, those of ordinary skill in the art are in the conversion of the equivalent made on the premise of spirit of the present invention
Or change accordingly, all should belong in protection scope of the present invention.
Claims (5)
1. an AC bus photovoltaic generation micro-grid system, it is characterised in that: include one for providing the outside of externally fed
Supply and AC bus (10), several users's photovoltaic generation power unit (30), each described user's photovoltaic generation power unit
And between described externally fed AC bus (10), be provided with energy input output monitoring unit (20) (30)；Each described user
Photovoltaic generation power unit (30) include carrying out for accepting sunlight photovoltaic generation solar cell panel assembly (31),
For integrating the microgrid energy managing device (34) of photovoltaic generation and externally fed, described microgrid energy managing device (34)
Described externally fed AC bus (10) is connected by unnecessary electric energy outlet line (42) and external electric energy incoming line (41), and
Between described unnecessary electric energy outlet line (42) and described external electric energy incoming line (41) parallel with one another；Described unnecessary electric energy is defeated
Going out circuit (42) to be used for superfluous photovoltaic power generation quantity output to described externally fed AC bus (10), described external electric energy is defeated
Enter circuit (41) for the electric energy of described externally fed AC bus (10) is delivered to described microgrid energy managing device
(34)；Described energy input output monitoring unit (20) includes photovoltaic generation power table (24) and externally fed power meter (23),
Described photovoltaic generation power table (24) is arranged at described unnecessary electric energy outlet line (42) and above and is used for monitoring output, described
Externally fed power meter (23) is arranged at described external electric energy incoming line (41) and above and is used for monitoring input power.
A kind of AC bus photovoltaic generation micro-grid system the most according to claim 1, it is characterised in that: each described use
Family photovoltaic generation power unit (30) also includes the photovoltaic generation for collecting described solar cell panel assembly (31) generated energy
Access case (32) and sending out for the unidirectional current that described solar cell panel assembly (31) exports being converted to the photovoltaic of alternating current
Electricity inverter (33)；Described photovoltaic generation access case (32) connects described solar cell panel assembly (31), described photovoltaic generation
Inverter (33) connects described photovoltaic generation access case (32), and described microgrid energy managing device (34) connects described photovoltaic and sends out
Electricity inverter (33).
A kind of AC bus photovoltaic generation micro-grid system the most according to claim 2, it is characterised in that: described solar energy
Battery panel components (31) includes several solar panel monomers and for installing the light of described solar panel monomer
Volt square formation support；Described photovoltaic generation access case (32) includes the generating for collecting several described solar panel monomers
The direct current conflux case of amount and the electricity for being collected by described direct current conflux case input to described photovoltaic inversion device (33)
DC power distribution cabinet.
A kind of AC bus photovoltaic generation micro-grid system the most according to claim 1, it is characterised in that: described unnecessary electricity
Can be provided with the photovoltaic generation transformator (22) for improving alternating current voltage on outlet line (42), described external electric energy inputs
The externally fed transformator (21) for reducing alternating current voltage, described photovoltaic generation transformator (22) it is provided with on circuit (41)
It is arranged between described photovoltaic generation power table (24) and described externally fed AC bus (10), described externally fed transformator
(21) it is arranged between described externally fed power meter (23) and described externally fed AC bus (10).
A kind of AC bus photovoltaic generation micro-grid system the most according to claim 1, it is characterised in that: described micro-capacitance sensor
Several residential electricity consumption equipment (35) it has been arranged in parallel on energy management apparatus (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582774.9A CN106169748A (en) | 2016-07-23 | 2016-07-23 | A kind of AC bus photovoltaic generation micro-grid system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582774.9A CN106169748A (en) | 2016-07-23 | 2016-07-23 | A kind of AC bus photovoltaic generation micro-grid system |
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| CN106169748A true CN106169748A (en) | 2016-11-30 |
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| CN201610582774.9A Pending CN106169748A (en) | 2016-07-23 | 2016-07-23 | A kind of AC bus photovoltaic generation micro-grid system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787332A (en) * | 2021-03-04 | 2021-05-11 | 张晓光 | Point type self-generating self-power-utilization mutual feed system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4167215B2 (en) * | 2004-10-27 | 2008-10-15 | 株式会社日立製作所 | DC power distribution system control device and converter control device |
| CN105471368A (en) * | 2014-08-12 | 2016-04-06 | 陈晓军 | Solar assembly roof system |
-
2016
- 2016-07-23 CN CN201610582774.9A patent/CN106169748A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4167215B2 (en) * | 2004-10-27 | 2008-10-15 | 株式会社日立製作所 | DC power distribution system control device and converter control device |
| CN105471368A (en) * | 2014-08-12 | 2016-04-06 | 陈晓军 | Solar assembly roof system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787332A (en) * | 2021-03-04 | 2021-05-11 | 张晓光 | Point type self-generating self-power-utilization mutual feed system |
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Application publication date: 20161130 |