CN103178553A - Household hybrid power supply system - Google Patents
Household hybrid power supply system Download PDFInfo
- Publication number
- CN103178553A CN103178553A CN2013100743688A CN201310074368A CN103178553A CN 103178553 A CN103178553 A CN 103178553A CN 2013100743688 A CN2013100743688 A CN 2013100743688A CN 201310074368 A CN201310074368 A CN 201310074368A CN 103178553 A CN103178553 A CN 103178553A
- Authority
- CN
- China
- Prior art keywords
- bus
- converter
- power supply
- energy
- load
- 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.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a household hybrid power supply system which comprises a DC/DC converter, a two-way AC/DC converter, a first-stage DC bus, a second-stage DC bus, an AC bus, an automatic switch device (1) and a storage battery pack. The automatic switch device can be used for setting different power supply modes according to different power utilization environments so as to control energy flow direction among different modules. The AC bus is divided into two channels respectively connected with an uninterruptable power supply load and an interruptible power supply load. The storage battery pack is connected with the second-stage DC bus. Solar energy or electric power output by wind-driven power generation can be converted so that grid connection function is achieved, dynamic or static support or reactive power compensation is provided for a power grid, and power mutation of the power grid and impact to the power grid are relieved. In addition, the household hybrid power supply system has power generating and supplying functions, can optimize conventional energy supply ways, is widely used for household power supply in the future, and has effects of supplying clean energy 24 hours, minimizing loss of the power grid and maximizing benefits for users.
Description
Technical field
The present invention relates to a kind of family expenses mixed power supply system, belong to the technical field of power system power supply.
Background technology
in recent years, energy shortage becomes increasingly conspicuous on the impact of social development, obtained the attention of many countries based on the distributed generation system of regenerative resource, photovoltaic DC-to-AC converter is as the fresh combatants of regenerative resource, all give the installation that photovoltaic combining inverter is encouraged in certain subsidy both at home and abroad, but photovoltaic generation has unsteadiness, the inherent shortcomings such as discontinuity, the large-scale grid-connected stable operation that threatens even gradually public electric wire net, present many countries put into effect rules on the one hand, the access of restriction photovoltaic combining inverter, progressively lower on the other hand the online subsidy, reduce the income of combining inverter, along with socioeconomic sustainable development, the demand of electric power system is increasing, therefore, a kind of energy-conserving and environment-protective are provided, electric power system is present problem demanding prompt solution safely and efficiently.
Summary of the invention
Technical problem to be solved by this invention is:
For the shortcoming and defect in background technology, the invention provides a kind of family expenses mixed power supply system, the electric energy of solar energy or wind power generation output is transformed, directly supplying with on the one hand DC load uses and is stored in storage battery standby, on the other hand with unnecessary energy feedback to electrical network, for electrical network provides dynamically or static the support and reactive power compensation, slow down the sudden change of grid power and to the impact of electrical network; Increase simultaneously automatic switching control equipment, make different power utilization environments that different powering modes is set, optimize the energy resource supply mode, for crucial DC load and AC load provide uninterrupted power supply.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of family expenses mixed power supply system, it is characterized in that: comprise DC/DC converter, two-way AC/DC converter, one-level dc bus, secondary dc bus, ac bus, automatic switching control equipment, batteries, wherein the DC/DC converter comprises unidirectional DC/DC converter and two-way DC/DC converter; Wherein unidirectional DC/DC converter is connected with outside photovoltaic power generation apparatus, and two-way AC/DC converter is connected with electrical network;
Described automatic switching control equipment be used for to control between each module energy flow to,
(1) when electrical network normal, when the output energy of photovoltaic power generation apparatus is sufficient, automatic switching control equipment is set to preferentially be incorporated into the power networks pattern or be preferably the battery charging pattern of photovoltaic power generation apparatus, wherein when being set to preferentially be incorporated into the power networks pattern, flow into the one-level dc bus after the unidirectional DC/DC converter of the electric energy process conversion of photovoltaic power generation apparatus output, then through feeding back to electrical network after the conversion of two-way AC/DC converter, be the ac bus power supply by electrical network; When being set to be preferably the battery charging pattern, flow into the one-level dc bus after the unidirectional DC/DC converter of the electric energy process conversion of photovoltaic power generation apparatus output, then through flowing into the secondary dc bus after the conversion of two-way DC/DC converter, be battery charging, power to DC load simultaneously;
(2) energy shortage of exporting when photovoltaic power generation apparatus, when batteries is under-voltage, automatic switching control equipment is set to the grid charging pattern, kept the power supply of ac bus by electrical network, power grid energy is transformed to one-level dc bus energy through two-way AC/DC converter simultaneously, then be transformed to secondary dc bus energy through two-way DC/DC converter, the charging of accumulators group;
(3) when electrical network is abnormal, automatic switching control equipment is set to from the net pattern, automatically cuts off being connected of family expenses mixed power supply system and electrical network, but disconnects simultaneously the power supply of interruptedly supplying power load,
When the output energy of photovoltaic power generation apparatus during greater than load institute energy requirement, kept the power supply of DC load and uninterrupted power supply load by photovoltaic power generation apparatus, flow into the one-level dc bus after the unidirectional DC/DC converter of the output process conversion of photovoltaic power generation apparatus, then through keeping the power supply of uninterrupted power supply load after the conversion of two-way AC/DC converter, flow into the secondary dc bus after the two-way DC/DC converter of the energy process conversion of one-level dc bus, be battery charging, power to DC load simultaneously;
When the output energy of photovoltaic power generation apparatus during less than load institute energy requirement, give together DC load and uninterrupted power supply load supplying by photovoltaic power generation apparatus and batteries, batteries directly provides the energy of secondary dc bus, be the DC load power supply, realize the bi-directional conversion of energy between one-level dc bus and secondary dc bus by two-way DC/DC converter, one-level dc bus energy is the uninterrupted power supply load supplying after by the conversion of two-way AC/DC converter;
When (4) power system restoration was normal, automatic switching control equipment automatic switchover family expenses mixed power supply system was from transferring from the net pattern work pattern that is incorporated into the power networks to.
Described automatic switching control equipment comprises sensor assembly, DSP or single chip control module, wherein sensor assembly detects current and voltage signals and is transferred to DSP or one-chip computer module, DSP or one-chip computer module are exported control signal after judgement is processed to detection signal, realize the automatic switchover of powering mode.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
(1) by increasing two-way DC/DC circuit and secondary dc bus, can be directly used in DC load after the electric energy conversion with device of solar generating, also can be with power storage in storage battery, can realize that DC load and uninterrupted power supply load under net state to use.
(2) increased automatic switching control equipment, realized optimum energy resource supply mode, the user can charge the battery in the low power consumption period, and the peak of power consumption period is used battery supply load, decrease electric cost; Simultaneously during peak of power consumption with the electric energy feed to electrical network, for electrical network provides dynamically or static the support and reactive power compensation, slow down the sudden change of grid power and to the impact of electrical network; The loss that realizes electrical network minimizes and client's maximum revenue.
(3) two-way AC/DC converter is realized the solar power generation grid-connecting function on the one hand, can be charge in batteries by electrical network on the other hand, realizes the uninterrupted power supply of DC load and AC load.
Description of drawings
Fig. 1 is that system of the present invention consists of block diagram.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
The invention provides a kind of family expenses mixed power supply system, as shown in Figure 1, comprise DC/DC converter, AC/DC converter, one-level dc bus, secondary dc bus, ac bus, automatic switching control equipment, described DC/DC converter comprises the first unidirectional DC/DC1 converter and two-way DC/DC2 converter, and automatic switching control equipment is connected with one-level dc bus, the first unidirectional DC/DC1 converter, two-way AC/DC1 converter, uninterrupted power supply load; Two-way DC/DC2 converter is connected between one-level dc bus and secondary dc bus; Two-way AC/DC1 converter is connected with ac bus by electrical network, and ac bus is divided into two-way, respectively with the uninterrupted power supply load be connected the interruptedly supplying power load and be connected.
the first unidirectional DC/DC1 converter is used for solar energy is converted to the one-level DC bus-bar voltage, two-way DC/DC2 converter is used for realizing the bidirectional energy conversion of one-level dc bus and secondary dc bus, two-way AC/DC1 converter is used for realizing the bidirectional energy conversion of electrical network and one-level dc bus and is the uninterrupted power supply load supplying, automatic switching control equipment can be according to electricity consumption situation automatic switchover powering mode, secondary dc bus and batteries and DC load such as display, server, the equipment such as LED are connected, be used to the DC load power supply and be battery charging, ac bus is divided into two-way, respectively with the uninterrupted power supply load be connected the interruptedly supplying power load and be connected, wherein the uninterrupted power supply load comprises computer, watch-dog, Medical Devices, warning device etc., but the interruptedly supplying power load comprises the domestic electric appliances such as domestic air conditioning, water pump, TV.
System work process of the present invention is as follows:
A, when electrical network normal, when solar energy or wind energy are supplied with abundance, the family expenses mixed power supply system is operated under the pattern of being incorporated into the power networks, solar energy flows into the one-level dc bus through the first unidirectional DC/DC1 converter, then flow into secondary through two-way DC/DC2 converter DC bus powered, realize the power supply of DC load, accumulators group charging simultaneously; Unnecessary solar energy feeds back to electrical network through two-way AC/DC1 converter, and ac bus is by mains supply.The user can arrange automatic switching control equipment change energy flow to, be set to the solar energy pattern that preferentially is incorporated into the power networks, the output voltage of photovoltaic power generation apparatus feeds back to electrical network after by the first unidirectional DC/DC1 converter, one-level dc bus, the conversion of two-way AC/DC1 converter, is the ac bus power supply; Be set to the preferential accumulators group of solar energy charge mode, the output voltage of photovoltaic power generation apparatus outputs to the secondary dc bus after by the first unidirectional DC/DC1 converter, one-level dc bus, the conversion of two-way DC/DC2 converter, be battery charging, give simultaneously the power devices such as DC load such as display, server, LED; When being set to the batteries discharge mode, the family expenses mixed power supply system will automatically switch to the batteries discharge mode, by batteries to power devices such as DC load such as display, server, LED;
When solar energy or wind energy undersupply, when causing batteries under-voltage, the family expenses mixed power supply system will change the grid charging pattern over to, kept the power supply of ac bus by electrical network, through two-way AC/DC1 converter and the charging of two-way DC/DC2 converter accumulators group, avoid the long-term under-voltage battery life that affects simultaneously.
B, when electrical network is abnormal, the family expenses mixed power supply system transfers to from the net work pattern, and automatic cut-out is connected with electrical network, but disconnects simultaneously the power supply of interruptedly supplying power load, two-way AC/DC1 converter obtains energy from the one-level dc bus, keeps the power supply of uninterrupted power supply load.During greater than bearing power, kept the power supply of DC load and uninterrupted power supply load when solar power by solar energy, accumulators group charging simultaneously.During less than load, together give DC load and uninterrupted power supply load supplying by solar energy and batteries when solar power; When power system restoration was normal, the family expenses mixed power supply system will be automatically from transferring from the net pattern work pattern that is incorporated into the power networks to.
Family expenses mixed power supply system of the present invention, the available wind generating is that one-level is DC bus powered by unidirectional AC/DC2 converter, and the one-level dc bus is the equipment charges such as electric automobile by the second unidirectional DC/DC3 converter, and the user can arrange different powering modes.
The control of automatic switching control equipment of the present invention can be selected to detect by transducer the signal such as electric current and voltage and send DSP or single-chip microcomputer to, after single-chip microcomputer judgement detection signal is processed, sends control command and realizes the automatic switchover powering mode.
Claims (2)
1. family expenses mixed power supply system, it is characterized in that: comprise DC/DC converter, two-way AC/DC converter, one-level dc bus, secondary dc bus, ac bus, automatic switching control equipment (1), batteries, wherein the DC/DC converter comprises unidirectional DC/DC converter and two-way DC/DC converter; Wherein unidirectional DC/DC converter is connected with outside photovoltaic power generation apparatus, and two-way AC/DC converter is connected with electrical network;
Described automatic switching control equipment (1) be used for to control between each module energy flow to,
(1) when electrical network normal, when the output energy of photovoltaic power generation apparatus is sufficient, automatic switching control equipment (1) is set to preferentially be incorporated into the power networks pattern or be preferably the battery charging pattern of photovoltaic power generation apparatus, wherein when being set to preferentially be incorporated into the power networks pattern, flow into the one-level dc bus after the unidirectional DC/DC converter of the electric energy process conversion of photovoltaic power generation apparatus output, then through feeding back to electrical network after the conversion of two-way AC/DC converter, be the ac bus power supply by electrical network; When being set to be preferably the battery charging pattern, flow into the one-level dc bus after the unidirectional DC/DC converter of the electric energy process conversion of photovoltaic power generation apparatus output, then through flowing into the secondary dc bus after the conversion of two-way DC/DC converter, be battery charging, power to DC load simultaneously;
(2) energy shortage of exporting when photovoltaic power generation apparatus, when batteries is under-voltage, automatic switching control equipment (1) is set to the grid charging pattern, kept the power supply of ac bus by electrical network, power grid energy is transformed to one-level dc bus energy through two-way AC/DC converter simultaneously, then be transformed to secondary dc bus energy through two-way DC/DC converter, the charging of accumulators group;
(3) when electrical network is abnormal, automatic switching control equipment (1) is set to from the net pattern, automatically cuts off being connected of family expenses mixed power supply system and electrical network, but disconnects simultaneously the power supply of interruptedly supplying power load,
When the output energy of photovoltaic power generation apparatus during greater than load institute energy requirement, kept the power supply of DC load and uninterrupted power supply load by photovoltaic power generation apparatus, flow into the one-level dc bus after the unidirectional DC/DC converter of the output process conversion of photovoltaic power generation apparatus, then through keeping the power supply of uninterrupted power supply load after the conversion of two-way AC/DC converter, flow into the secondary dc bus after the two-way DC/DC converter of the energy process conversion of one-level dc bus, be battery charging, power to DC load simultaneously;
When the output energy of photovoltaic power generation apparatus during less than load institute energy requirement, give together DC load and uninterrupted power supply load supplying by photovoltaic power generation apparatus and batteries, batteries directly provides the energy of secondary dc bus, be the DC load power supply, realize the bi-directional conversion of energy between one-level dc bus and secondary dc bus by two-way DC/DC converter, one-level dc bus energy is the uninterrupted power supply load supplying after by the conversion of two-way AC/DC converter;
When (4) power system restoration was normal, automatic switching control equipment (1) automatic switchover family expenses mixed power supply system was from transferring from the net pattern work pattern that is incorporated into the power networks to.
2. a kind of family expenses mixed power supply system according to claim 1, it is characterized in that: described automatic switching control equipment (1) comprises sensor assembly, DSP or single chip control module, wherein sensor assembly detects current and voltage signals and is transferred to DSP or one-chip computer module, DSP or one-chip computer module are exported control signal after judgement is processed to detection signal, realize the automatic switchover of powering mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074368.8A CN103178553B (en) | 2013-03-08 | 2013-03-08 | A kind of family expenses mixed power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074368.8A CN103178553B (en) | 2013-03-08 | 2013-03-08 | A kind of family expenses mixed power supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103178553A true CN103178553A (en) | 2013-06-26 |
| CN103178553B CN103178553B (en) | 2015-10-28 |
Family
ID=48638237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310074368.8A Active CN103178553B (en) | 2013-03-08 | 2013-03-08 | A kind of family expenses mixed power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103178553B (en) |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762703A (en) * | 2014-02-19 | 2014-04-30 | 国家电网公司 | Electric automobile charging station integrating charging, storing and discharging and charging and discharging method |
| CN104092278A (en) * | 2014-07-11 | 2014-10-08 | 安徽启光能源科技研究院有限公司 | Energy management method applied to photovoltaic energy storage system |
| CN104578375A (en) * | 2015-01-04 | 2015-04-29 | 中山市马迅电器有限公司 | UPS output priority selector |
| WO2015076920A1 (en) * | 2013-11-20 | 2015-05-28 | Abb Technology Ag | Hybrid alternating current (ac) direct current (dc) distribution for multiple-floor buildings |
| CN104682427A (en) * | 2015-01-27 | 2015-06-03 | 华南理工大学 | AC-DC (Alternating Current-Direct Current) hybrid clean energy source system and method |
| CN104776550A (en) * | 2014-06-26 | 2015-07-15 | 王舜 | Power supply system of air conditioner |
| CN105529811A (en) * | 2016-02-02 | 2016-04-27 | 武汉艾德杰电子有限责任公司 | Photovoltaic DC energy efficiency management system |
| CN106233572A (en) * | 2014-04-18 | 2016-12-14 | 施耐德电气It公司 | System and method for distributed uninterrupted power source |
| CN106468734A (en) * | 2015-08-19 | 2017-03-01 | Ls 产电株式会社 | Electricity monitoring system |
| CN107071968A (en) * | 2017-03-24 | 2017-08-18 | 深圳格林绿梵生能源股份有限公司 | A kind of multi-source energy storage direct-current LED illuminator |
| US9853536B2 (en) | 2013-12-23 | 2017-12-26 | Abb Schweiz Ag | Methods, systems, and computer readable media for managing the distribution of power from a photovoltaic source in a multiple-floor building |
| CN108390427A (en) * | 2018-02-08 | 2018-08-10 | 珠海格力电器股份有限公司 | Battery charge-discharge circuit, energy source interconnection scheduling system and its control method |
| CN110011541A (en) * | 2019-04-19 | 2019-07-12 | 中车株洲电力机车有限公司 | A kind of city rail vehicle auxiliary system |
| CN110853288A (en) * | 2019-10-16 | 2020-02-28 | 广西电网有限责任公司南宁供电局 | 10kV ground cable channel hidden danger early warning system based on remote monitoring |
| CN112491045A (en) * | 2020-11-23 | 2021-03-12 | 南京工程学院 | Intelligent household light storage and energy charging interconnection system and energy efficiency management method thereof |
| CN112636354A (en) * | 2020-12-11 | 2021-04-09 | 深圳供电局有限公司 | Industrial park alternating current-direct current hybrid power distribution system |
| CN113424388A (en) * | 2020-06-17 | 2021-09-21 | 华为技术有限公司 | Electric power energy storage system and energy storage power supply system |
| WO2021189659A1 (en) * | 2020-03-24 | 2021-09-30 | 北京双登慧峰聚能科技有限公司 | Energy control system and control method for hybrid power supply system of communication base station |
| CN113765112A (en) * | 2021-09-17 | 2021-12-07 | 深圳市泰昂能源科技股份有限公司 | Data center flexible power supply system and control method |
| TWI776316B (en) * | 2020-12-14 | 2022-09-01 | 國家中山科學研究院 | System with functions of energy storage, internet of things, disaster relief communication and control method thereof |
| CN117335497A (en) * | 2023-11-27 | 2024-01-02 | 锦浪科技股份有限公司 | Photovoltaic energy storage system mode control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185532A (en) * | 2011-05-16 | 2011-09-14 | 武汉纺织大学 | Grid-connected and off-grid hybrid solar energy photovoltaic generating system |
| CN202167860U (en) * | 2011-07-15 | 2012-03-14 | 珠海银通新能源有限公司 | Intelligent energy storage machine |
| 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 |
| US20120323396A1 (en) * | 2011-06-20 | 2012-12-20 | The Aes Corporation | Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system |
-
2013
- 2013-03-08 CN CN201310074368.8A patent/CN103178553B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185532A (en) * | 2011-05-16 | 2011-09-14 | 武汉纺织大学 | Grid-connected and off-grid hybrid solar energy photovoltaic generating system |
| US20120323396A1 (en) * | 2011-06-20 | 2012-12-20 | The Aes Corporation | Hybrid electric generating power plant that uses a combination of real-time generation facilities and energy storage system |
| CN202167860U (en) * | 2011-07-15 | 2012-03-14 | 珠海银通新能源有限公司 | Intelligent energy storage machine |
| 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 |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015076920A1 (en) * | 2013-11-20 | 2015-05-28 | Abb Technology Ag | Hybrid alternating current (ac) direct current (dc) distribution for multiple-floor buildings |
| US9755433B2 (en) | 2013-11-20 | 2017-09-05 | Abb Schweiz Ag | Hybrid alternating current (AC)/direct current (DC) distribution for multiple-floor buildings |
| US9853536B2 (en) | 2013-12-23 | 2017-12-26 | Abb Schweiz Ag | Methods, systems, and computer readable media for managing the distribution of power from a photovoltaic source in a multiple-floor building |
| CN103762703B (en) * | 2014-02-19 | 2016-04-27 | 国家电网公司 | Electric automobile fills and stores integrated charging station and charging/discharging thereof |
| CN103762703A (en) * | 2014-02-19 | 2014-04-30 | 国家电网公司 | Electric automobile charging station integrating charging, storing and discharging and charging and discharging method |
| CN106233572A (en) * | 2014-04-18 | 2016-12-14 | 施耐德电气It公司 | System and method for distributed uninterrupted power source |
| CN104776550A (en) * | 2014-06-26 | 2015-07-15 | 王舜 | Power supply system of air conditioner |
| CN104092278A (en) * | 2014-07-11 | 2014-10-08 | 安徽启光能源科技研究院有限公司 | Energy management method applied to photovoltaic energy storage system |
| CN104578375A (en) * | 2015-01-04 | 2015-04-29 | 中山市马迅电器有限公司 | UPS output priority selector |
| CN104682427A (en) * | 2015-01-27 | 2015-06-03 | 华南理工大学 | AC-DC (Alternating Current-Direct Current) hybrid clean energy source system and method |
| CN106468734A (en) * | 2015-08-19 | 2017-03-01 | Ls 产电株式会社 | Electricity monitoring system |
| CN105529811A (en) * | 2016-02-02 | 2016-04-27 | 武汉艾德杰电子有限责任公司 | Photovoltaic DC energy efficiency management system |
| CN107071968A (en) * | 2017-03-24 | 2017-08-18 | 深圳格林绿梵生能源股份有限公司 | A kind of multi-source energy storage direct-current LED illuminator |
| CN108390427A (en) * | 2018-02-08 | 2018-08-10 | 珠海格力电器股份有限公司 | Battery charge-discharge circuit, energy source interconnection scheduling system and its control method |
| CN110011541A (en) * | 2019-04-19 | 2019-07-12 | 中车株洲电力机车有限公司 | A kind of city rail vehicle auxiliary system |
| CN110853288A (en) * | 2019-10-16 | 2020-02-28 | 广西电网有限责任公司南宁供电局 | 10kV ground cable channel hidden danger early warning system based on remote monitoring |
| WO2021189659A1 (en) * | 2020-03-24 | 2021-09-30 | 北京双登慧峰聚能科技有限公司 | Energy control system and control method for hybrid power supply system of communication base station |
| CN113424388A (en) * | 2020-06-17 | 2021-09-21 | 华为技术有限公司 | Electric power energy storage system and energy storage power supply system |
| WO2021253257A1 (en) * | 2020-06-17 | 2021-12-23 | 华为数字能源技术有限公司 | Power energy storage system and energy storage power supply system |
| US11749995B2 (en) | 2020-06-17 | 2023-09-05 | Huawei Digital Power Technologies Co., Ltd. | Electrical energy storage system and energy storage system |
| CN112491045A (en) * | 2020-11-23 | 2021-03-12 | 南京工程学院 | Intelligent household light storage and energy charging interconnection system and energy efficiency management method thereof |
| CN112636354A (en) * | 2020-12-11 | 2021-04-09 | 深圳供电局有限公司 | Industrial park alternating current-direct current hybrid power distribution system |
| CN112636354B (en) * | 2020-12-11 | 2023-07-25 | 深圳供电局有限公司 | AC/DC hybrid power distribution system for industrial park |
| TWI776316B (en) * | 2020-12-14 | 2022-09-01 | 國家中山科學研究院 | System with functions of energy storage, internet of things, disaster relief communication and control method thereof |
| CN113765112A (en) * | 2021-09-17 | 2021-12-07 | 深圳市泰昂能源科技股份有限公司 | Data center flexible power supply system and control method |
| CN117335497A (en) * | 2023-11-27 | 2024-01-02 | 锦浪科技股份有限公司 | Photovoltaic energy storage system mode control method |
| CN117335497B (en) * | 2023-11-27 | 2024-03-01 | 锦浪科技股份有限公司 | Photovoltaic energy storage system mode control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103178553B (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178553B (en) | A kind of family expenses mixed power supply system | |
| CN105743127A (en) | Household new energy power generation intelligent control system and control method | |
| CN108123497B (en) | Power distribution cabinet for AC/DC hybrid power supply and AC/DC hybrid power supply system | |
| CN105515167A (en) | Uninterruptible power supply UPS device and power supply method thereof | |
| CN203339769U (en) | Online energy storage power supply for photovoltaic and mains supply complementary input | |
| CN203761319U (en) | Comprehensive type distributed photovoltaic energy storage system | |
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN104038150A (en) | Modularized and centralized type photovoltaic power generation interface unit | |
| CN104113133A (en) | Intelligent photovoltaic off-grid inverter system and power utilization control method thereof | |
| CN111082413A (en) | Urban community full-direct-current micro-grid and control system thereof | |
| CN203261105U (en) | Power system of PRU communication base station | |
| CN108347067A (en) | A kind of microgrid framework and control method containing battery energy storage and generator | |
| CN204205617U (en) | A kind of power conversion is generated electricity by way of merging two or more grid systems electric power system | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN202678984U (en) | Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings | |
| CN104300575A (en) | Low-power distributed photovoltaic power generation system combined with energy storage battery | |
| CN103840548B (en) | A kind of transformer substation system with micro-grid system | |
| CN103560537A (en) | Area distribution photovoltaic power supply grid-connected system and control method of area distribution photovoltaic power supply grid-connected system | |
| CN203536974U (en) | Local distributed grid-connected photovoltaic power supply system | |
| CN105515154A (en) | Off-grid/grid-connected household energy storage system | |
| CN202888860U (en) | Off-grid and grid-connected photovoltaic inverter | |
| CN202997587U (en) | Intelligent micro-network distributed power supply | |
| CN104767468A (en) | Solar server control system and method | |
| CN201278465Y (en) | Domestic solar energy power supply system | |
| CN208158135U (en) | A kind of microgrid framework containing battery energy storage and generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226100 No.888, Jiuhua Road, high tech Zone, Nantong City, Jiangsu Province Patentee after: Wotai Energy Co.,Ltd. Address before: 226300 Yingcai building, Dongda science and Technology Park, 788 Century Avenue, Nantong high tech Zone, Nantong City, Jiangsu Province Patentee before: NEOVOLTAIC ENERGY NANTONG Co.,Ltd. |
|
| CP03 | Change of name, title or address |