CN103023068A - Hybrid inverter for power supply system - Google Patents
Hybrid inverter for power supply system Download PDFInfo
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- CN103023068A CN103023068A CN2012105627636A CN201210562763A CN103023068A CN 103023068 A CN103023068 A CN 103023068A CN 2012105627636 A CN2012105627636 A CN 2012105627636A CN 201210562763 A CN201210562763 A CN 201210562763A CN 103023068 A CN103023068 A CN 103023068A
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Abstract
The invention discloses a hybrid inverter for a power supply system. Direct current generated by new energy is input to a DC/DC (direct current/direct current) converting unit, and transmitted to a DC/AC (direct current/alternating current) converting unit after conversion, the DC/AC converting unit is connected to an output control unit which is connected with an external load, a central control processing unit is connected with a chip drive unit and the output control unit respectively, the chip drive unit is used for controlling voltage output of the DC/DC converting unit and the DC/AC converting unit, and the output control unit is connected with an external power grid. The hybrid inverter provides working voltage to the external load by controlling output through the output control unit, a energy storage device is connected with the DC/DC converting unit, used for storing extra electric energy generated by the DC/DC converting unit and used for discharging to provide voltage for the load when necessary. Output is controlled through the central control processing unit, intelligent switching between grid synchronization and grid disconnection is achieved, normal operation of the external load is guaranteed while operation reliability of equipment is improved, and utilization rate of electric energy is improved.
Description
Technical field
The present invention relates to technical field of new energies, be specifically related to a kind of mixing inverter for electric power supply system.
Background technology
Current no matter solar energy inverter or wind energy inverter all only have combining inverter and from the net inverter.Combining inverter access electrical network transmits electric power to electrical network and forms a complete electric power system, just can use but requirement must have under the condition of electrical network; Can become separately an electricity generation system from the net inverter, but can only offer load, and unnecessary electric weight can only slattern and can not flow to electrical network to excess energy, can not sell electric income for the user brings.Industry is badly in need of a kind of installation site of can breaking through and is limited, and again can not can waste excrescent electric power and can bring the appearance of selling electric income mixing inverter product.
Summary of the invention
The object of the invention is to provide a kind of mixing inverter for electric power supply system, and it combines combining inverter and from the characteristics of net inverter, has realized the reasonably optimizing to electric power system, realizes maximum gain.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of mixing inverter for electric power supply system, described mixing inverter comprises the DC/DC converting unit, the DC/AC converting unit, output control unit, the chip drives unit, center-control processing unit and energy-storage units, described DC/DC converting unit links to each other with the DC/AC converting unit, the DC/AC converting unit accesses described output control unit, described output control unit links to each other with external loading again, described center-control processing unit and chip drives unit, output control unit links to each other respectively, described chip drives unit and DC/DC converting unit, the DC/AC converting unit links to each other respectively, the Voltage-output that is used for control two converting units, the direct current that outside new forms of energy produce is input to described DC/DC unit, described output control unit also links to each other with external electrical network, described mixing inverter is output as external loading by output control unit control operating voltage is provided, described energy storage device links to each other with the DC/DC converting unit, and be used for storing the electric energy more than needed that the DC/DC converting unit produces and can discharging when needed provides voltage for loaded work piece.
So under all kinds of different operating modes, mixing inverter all can be according to the relation that produces with the operating power of electric loading and new forms of energy between the electric energy, by mixing inverter self electric energy in energy-storage units, the DC/DC converting unit is allocated, and realize where necessary auto-parallel realize being incorporated into the power networks charging or the discharge of being incorporated into the power networks, specifically can be divided into following several situation:
During the electric energy that produces less than new forms of energy with the power of electric loading, described mixing inverter is converted to new forms of energy by DC/DC converting unit, DC/AC conversion unit the electric energy of electricity consumption loaded work piece, if energy-storage units does not reach full power state simultaneously, the unnecessary electric energy that new forms of energy produce is the energy-storage units charging, if energy-storage units reaches full power state, the unnecessary power delivery that new forms of energy produce is used to the external electrical network input electric power to external electrical network, brings economic well-being of workers and staff to the user;
Power with electric loading equals the electric energy that new forms of energy produce, and described mixing inverter is converted to new forms of energy by DC/DC converting unit, DC/AC conversion unit the electric energy of electricity consumption loaded work piece;
The electric energy that produces greater than new forms of energy with the power of electric loading, if store electric energy in the energy-storage units, output control unit then calls the electric energy of storing in the energy-storage units and works to satisfy load for the electricity consumption load supplying simultaneously, if without electric energy, the electric power that output control unit then calls external electrical network works to satisfy load for the electricity consumption load supplying simultaneously in the energy-storage units.
As optimization, be provided with the SPS power supply in the described mixing inverter, be used to chip drives unit, center-control processing unit, output control unit that operating voltage is provided.
As optimization, be provided with the communication display unit in the described mixing inverter, described communicative indication unit links to each other with the center-control processing unit, is used for showing inverter operating state and external communication.Realized that external communication can be sent to higher level's monitoring unit in real time with machine operation.
As optimization, described center-control processing unit is used for analyzing relatively loaded work piece voltage and voltage that new forms of energy produce, then adjudicate according to analysis result under the prerequisite of proof load normal operation whether needs discharge and recharge or are incorporated into the power networks energy-storage units discharges and recharges, the last again work by control chip driver element and output control unit realizes the regulation and control to energy-storage units, converting unit and external electrical network.
With respect to scheme of the prior art, advantage of the present invention is:
The mixing inverter that is used for electric power supply system described in the invention, by the center-control processing unit output is controlled, realization is incorporated into the power networks and is switched from the intelligence between the net two condition, can guarantee that the normal operation of peripheral hardware load improves the operational reliability of equipment simultaneously, in addition, unnecessary electric energy also can be stored by energy-storage units, guarantee self-sufficient, satisfy the job requirement under the different operating modes, realize the effective utilization to electric energy that new forms of energy produce, improve utilization rate of electrical.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the structural representation block diagram of the embodiment of the invention.
Embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are not limited to limit the scope of the invention for explanation the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment:
Present embodiment has been described a kind of mixing inverter for the new energy field electric power supply system, its structure as shown in Figure 1, a kind of mixing inverter for electric power supply system, described mixing inverter comprises the DC/DC converting unit, the DC/AC converting unit, output control unit, the chip drives unit, center-control processing unit and energy-storage units, described DC/DC converting unit links to each other with the DC/AC converting unit, the DC/AC converting unit accesses described output control unit, described output control unit links to each other with external loading again, described center-control processing unit and chip drives unit, output control unit links to each other respectively, described chip drives unit and DC/DC converting unit, the DC/AC converting unit links to each other respectively, the Voltage-output that is used for control two converting units, the direct current that outside new forms of energy produce is input to described DC/DC unit, described output control unit also links to each other with external electrical network, described mixing inverter is output as external loading by output control unit control operating voltage is provided, described energy storage device links to each other with the DC/DC converting unit, and be used for storing the electric energy more than needed that the DC/DC converting unit produces and can discharging when needed provides voltage for loaded work piece.
Be provided with the SPS power supply in the described mixing inverter, be used to chip drives unit, center-control processing unit, output control unit that operating voltage is provided.
Be provided with the communication display unit in the described mixing inverter, described communicative indication unit links to each other with the center-control processing unit, is used for showing inverter operating state and external communication.Realized that external communication can be sent to higher level's monitoring unit in real time with machine operation.
Described center-control processing unit is used for analyzing relatively loaded work piece voltage and voltage that new forms of energy produce, then adjudicate according to analysis result under the prerequisite of proof load normal operation whether needs discharge and recharge or are incorporated into the power networks energy-storage units discharges and recharges, the last again work by control chip driver element and output control unit realizes the regulation and control to energy-storage units, converting unit and external electrical network.
Mixing inverter can be according to the relation that produces with the operating power of electric loading and new forms of energy between the electric energy, by mixing inverter self electric energy in energy-storage units, the DC/DC converting unit is allocated, and realize where necessary auto-parallel realize being incorporated into the power networks charging or the discharge of being incorporated into the power networks, specifically can be divided into following several situation:
During the electric energy that produces less than new forms of energy with the power of electric loading, described mixing inverter is converted to new forms of energy by DC/DC converting unit, DC/AC conversion unit the electric energy of electricity consumption loaded work piece, if energy-storage units does not reach full power state simultaneously, the unnecessary electric energy that new forms of energy produce is the energy-storage units charging, if energy-storage units reaches full power state, the unnecessary power delivery that new forms of energy produce is used to the external electrical network input electric power to external electrical network, brings economic well-being of workers and staff to the user;
Power with electric loading equals the electric energy that new forms of energy produce, and described mixing inverter is converted to new forms of energy by DC/DC converting unit, DC/AC conversion unit the electric energy of electricity consumption loaded work piece;
The electric energy that produces greater than new forms of energy with the power of electric loading, if store electric energy in the energy-storage units, output control unit then calls the electric energy of storing in the energy-storage units and works to satisfy load for the electricity consumption load supplying simultaneously, if without electric energy, the electric power that output control unit then calls external electrical network works to satisfy load for the electricity consumption load supplying simultaneously in the energy-storage units.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.All equivalent transformations that Spirit Essence is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (4)
1. mixing inverter that is used for electric power supply system, it is characterized in that, described mixing inverter comprises the DC/DC converting unit, the DC/AC converting unit, output control unit, the chip drives unit, center-control processing unit and energy-storage units, described DC/DC converting unit links to each other with the DC/AC converting unit, the DC/AC converting unit accesses described output control unit, described output control unit links to each other with external loading again, described center-control processing unit and chip drives unit, output control unit links to each other respectively, described chip drives unit and DC/DC converting unit, the DC/AC converting unit links to each other respectively, the Voltage-output that is used for control two converting units, the direct current that outside new forms of energy produce is input to described DC/DC unit, described output control unit also links to each other with external electrical network, described mixing inverter is output as external loading by output control unit control operating voltage is provided, described energy storage device links to each other with the DC/DC converting unit, and be used for storing the electric energy more than needed that the DC/DC converting unit produces and can discharging when needed provides voltage for loaded work piece.
2. the mixing inverter for electric power supply system according to claim 1 is characterized in that, is provided with the SPS power supply in the described mixing inverter, is used to chip drives unit, center-control processing unit, output control unit that operating voltage is provided.
3. the mixing inverter for electric power supply system according to claim 1, it is characterized in that, be provided with the communication display unit in the described mixing inverter, described communicative indication unit links to each other with the center-control processing unit, is used for showing inverter operating state and external communication.
4. the mixing inverter for electric power supply system according to claim 1, it is characterized in that, described center-control processing unit is used for analyzing relatively loaded work piece voltage and voltage that new forms of energy produce, then adjudicate according to analysis result under the prerequisite of proof load normal operation whether needs discharge and recharge or are incorporated into the power networks energy-storage units discharges and recharges, the last again work by control chip driver element and output control unit realizes the regulation and control to energy-storage units, converting unit and external electrical network.
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| CN2012105627636A CN103023068A (en) | 2012-12-21 | 2012-12-21 | Hybrid inverter for power supply system |
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| CN2012105627636A CN103023068A (en) | 2012-12-21 | 2012-12-21 | Hybrid inverter for power supply system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560511A (en) * | 2013-11-15 | 2014-02-05 | 北京国电通网络技术有限公司 | Off-grid / grid-connected integrated solar power generation subsystem and system |
| CN105897032A (en) * | 2016-03-21 | 2016-08-24 | 江苏峰谷源储能技术研究院有限公司 | Auxiliary power supply of bidirectional energy storage inverter |
| CN106655273A (en) * | 2017-02-10 | 2017-05-10 | 上海极熵数据科技有限公司 | Intelligent hybrid energy storage and power supply terminal |
| CN112242708A (en) * | 2020-09-21 | 2021-01-19 | 国网河南省电力公司洛阳供电公司 | Energy storage configuration and control strategy for new energy station |
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| US4697136A (en) * | 1985-12-02 | 1987-09-29 | Shikoku Denryoku Kabushiki Kaisha | Inverter system for inputting alternating current and direct current in combination |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN102427266A (en) * | 2012-01-04 | 2012-04-25 | 广东易事特电源股份有限公司 | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof |
| CN102769302A (en) * | 2012-07-10 | 2012-11-07 | 江苏辉伦太阳能科技有限公司 | Photovoltaic grid-connected inverter with stored energy management and load-power-based output functions |
-
2012
- 2012-12-21 CN CN2012105627636A patent/CN103023068A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4697136A (en) * | 1985-12-02 | 1987-09-29 | Shikoku Denryoku Kabushiki Kaisha | Inverter system for inputting alternating current and direct current in combination |
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN102427266A (en) * | 2012-01-04 | 2012-04-25 | 广东易事特电源股份有限公司 | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof |
| CN102769302A (en) * | 2012-07-10 | 2012-11-07 | 江苏辉伦太阳能科技有限公司 | Photovoltaic grid-connected inverter with stored energy management and load-power-based output functions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560511A (en) * | 2013-11-15 | 2014-02-05 | 北京国电通网络技术有限公司 | Off-grid / grid-connected integrated solar power generation subsystem and system |
| CN105897032A (en) * | 2016-03-21 | 2016-08-24 | 江苏峰谷源储能技术研究院有限公司 | Auxiliary power supply of bidirectional energy storage inverter |
| CN106655273A (en) * | 2017-02-10 | 2017-05-10 | 上海极熵数据科技有限公司 | Intelligent hybrid energy storage and power supply terminal |
| CN112242708A (en) * | 2020-09-21 | 2021-01-19 | 国网河南省电力公司洛阳供电公司 | Energy storage configuration and control strategy for new energy station |
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Application publication date: 20130403 |