CN202712893U - High-capacity off-grid optical storage power generation system - Google Patents
High-capacity off-grid optical storage power generation system Download PDFInfo
- Publication number
- CN202712893U CN202712893U CN 201220293740 CN201220293740U CN202712893U CN 202712893 U CN202712893 U CN 202712893U CN 201220293740 CN201220293740 CN 201220293740 CN 201220293740 U CN201220293740 U CN 201220293740U CN 202712893 U CN202712893 U CN 202712893U
- Authority
- CN
- China
- Prior art keywords
- generation system
- bus
- energy storage
- electricity generation
- large capacity
- 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 - Lifetime
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Disclosed in the utility model is a high-capacity off-grid optical storage power generation system that comprises a direct current bus, a plurality of photovoltaic assemblies, a plurality of power electronic controllers corresponding to all the photovoltaic assemblies in a one-to-one mode, a plurality of energy storage devices, and a plurality of inverters corresponding to all loads in a one-to-one mode. All the photovoltaic assemblies are respectively connected to the direct current bus by the respective corresponding power electronic controllers; all the energy storage devices are respectively connected with the direct current bus; and all the inverters are respectively connected with the direct current bus and the respective corresponding loads. According to the utility model, the reserve capacity of the system is increased and the reasonable power distribution of the system is improved, thereby ensuring the continuity and stability of the power supply of the system.
Description
Technical field
The utility model relates to a kind of electricity generation system, relates in particular to a kind of large capacity from net type light storage electricity generation system.
Background technology
Along with solar photovoltaic grid-connection generating cause develops rapidly, the intermittence of photovoltaic generation self, randomness are given to be incorporated into the power networks and are brought certain impact.At present, photovoltaic generating system has apparent in view randomness and uncontrollability.Because the electric power supply and demand there are differences in time and space, need to carry out to existing photovoltaic generating system control, adjusting, the distribution of electric power, thereby realize the reasonable, efficient of the energy utilized.Power conversion and storing technology are the novel energy-conserving technology, though can not be characterized by energy source, can improve the quality of power supply, improve stability and the reliability of power supply.Therefore, how power conversion and storing technology more reasonably being applied to photovoltaic generating system is the direction that the applicant is devoted to study.
Summary of the invention
The purpose of this utility model is to provide a kind of large capacity from net type light storage electricity generation system, has significantly increased the reserve capacity of system, has improved the rational power distribution of system, thereby has guaranteed the stability of system power supply.
The technical scheme that realizes above-mentioned purpose is:
A kind of large capacity is from net type light storage electricity generation system, connect some loads, described light storage electricity generation system comprise dc bus, some photovoltaic modulies, with each photovoltaic module one to one some power electronic controllers, some energy storage devices and with described each load some inverters one to one, wherein:
Described each photovoltaic module connects described dc bus by each self-corresponding power electronic controller respectively;
Described each energy storage device connects respectively described dc bus;
Described each inverter connects respectively dc bus and each self-corresponding load.
Above-mentioned large capacity is from net type light storage electricity generation system, and wherein, the dc inverter that described each inverter will obtain by described dc bus transmission respectively is alternating current, supplies with each self-corresponding load.
Above-mentioned large capacity is from net type light storage electricity generation system, and wherein, described energy storage device is energy storage battery.
The beneficial effects of the utility model are: in the utility model, large capacity energy storage device has significantly increased the reserve capacity of system, thereby greatly improve the rational power distribution of system and (especially avoided the long-distance transmissions of large capacity reactive power, substantially realized the in-situ balancing of reactive power in each zone) and strong voltage support, guarantee the stability of system power supply, thereby guaranteed safety and stability and the economical operation of electrical network.
Description of drawings
Fig. 1 is that large capacity of the present utility model is from the structure chart of net type light storage electricity generation system.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, large capacity of the present utility model is from net type light storage electricity generation system, connect some loads 200, described light storage electricity generation system comprise dc bus 1, some photovoltaic modulies 2, with each photovoltaic module 2 one to one some power electronic controllers 3, some energy storage devices 4 and with described each load 200 some inverters 5 one to one, wherein:
Each photovoltaic module 2 connects dc bus 1 by each self-corresponding power electronic controller 3 respectively;
Each energy storage device 4 connects respectively dc bus 1, and in the present embodiment, energy storage device 4 is energy storage battery;
Each inverter 5 connects respectively dc bus 1 and each self-corresponding load 200.
Each photovoltaic module 2 absorbs solar energy and is converted into electric energy, directly is transferred to each inverter 5 by each self-corresponding power electronic controller 3 and dc bus 1, perhaps is transferred to each energy storage device 4, and electrical power storage is got up, and exports when needing again; The dc inverter that each inverter 5 will obtain by dc bus 1 transmission respectively is alternating current, supplies with each self-corresponding load 200.
The utility model has greatly improved the rational power of system and has distributed, and has peak-valley difference between elimination round the clock, and level and smooth load improves system run all right, adjusts frequency and compensate the functions such as load fluctuation.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that does not break away from the utility model scope, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. a large capacity is from net type light storage electricity generation system, connect some loads, it is characterized in that, described light storage electricity generation system comprise dc bus, some photovoltaic modulies, with each photovoltaic module one to one some power electronic controllers, some energy storage devices and with described each load some inverters one to one, wherein:
Described each photovoltaic module connects described dc bus by each self-corresponding power electronic controller respectively;
Described each energy storage device connects respectively described dc bus;
Described each inverter connects respectively dc bus and each self-corresponding load.
2. large capacity according to claim 1 is characterized in that from net type light storage electricity generation system, and the dc inverter that described each inverter will obtain by described dc bus transmission respectively is alternating current, supplies with each self-corresponding load.
3. large capacity according to claim 1 is characterized in that from net type light storage electricity generation system described energy storage device is energy storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220293740 CN202712893U (en) | 2012-06-21 | 2012-06-21 | High-capacity off-grid optical storage power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220293740 CN202712893U (en) | 2012-06-21 | 2012-06-21 | High-capacity off-grid optical storage power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712893U true CN202712893U (en) | 2013-01-30 |
Family
ID=47593158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220293740 Expired - Lifetime CN202712893U (en) | 2012-06-21 | 2012-06-21 | High-capacity off-grid optical storage power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738865A (en) * | 2012-06-21 | 2012-10-17 | 上海市电力公司 | High-capacity off-network-type light-storing generation system |
-
2012
- 2012-06-21 CN CN 201220293740 patent/CN202712893U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738865A (en) * | 2012-06-21 | 2012-10-17 | 上海市电力公司 | High-capacity off-network-type light-storing generation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2512880C2 (en) | Electric energy accumulation system based on accumulator batteries and supercapacitor with network enhancement function | |
| ES2626836T3 (en) | Method and apparatus for controlling a hybrid power system | |
| CN106877368A (en) | A kind of photovoltaic generation micro-grid system hybrid energy-storing control method | |
| CN202712873U (en) | Intelligent household solar control inverter | |
| US20150145336A1 (en) | Modular power conversion system and method | |
| CN202424240U (en) | Multifunctional photovoltaic UPS (Uninterruptible Power Supply) system | |
| US20120217800A1 (en) | Solar power systems optimized for use in communications networks | |
| CN202094650U (en) | Microgrid control system and Microgrid-type wind and light generating system adopting same | |
| US10284115B2 (en) | Inverter system | |
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN102629776A (en) | Auxiliary power supply system for power converter and method | |
| Panguloori et al. | Economic viability improvement of solar powered Indian rural banks through DC grids | |
| CN103337868A (en) | Method and device for inhibiting photovoltaic generation output power fluctuation | |
| CN104600811A (en) | Intelligent photovoltaic charging system | |
| CN202134923U (en) | Deep charging and discharging type battery energy storage paralleling device | |
| CN204809967U (en) | Little electric wire netting intelligence control system | |
| CN202712893U (en) | High-capacity off-grid optical storage power generation system | |
| CN204244169U (en) | Photovoltaic generating system and connecting box thereof | |
| CN207265677U (en) | A kind of alternating current-direct current mixing micro-capacitance sensor system of varistructure | |
| CN103094977A (en) | Photovoltaic distribution system | |
| CN102738865A (en) | High-capacity off-network-type light-storing generation system | |
| CN203491711U (en) | Distributed power generation grid-connected control system | |
| CN102646995A (en) | Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters | |
| CN202651815U (en) | Multiple-backup solar power supply system | |
| CN105938165A (en) | Local power generation and power supply experiment system comprising electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |