CN202034819U - Uninterruptible power supply system based on fuel cell - Google Patents
Uninterruptible power supply system based on fuel cell Download PDFInfo
- Publication number
- CN202034819U CN202034819U CN2011200941717U CN201120094171U CN202034819U CN 202034819 U CN202034819 U CN 202034819U CN 2011200941717 U CN2011200941717 U CN 2011200941717U CN 201120094171 U CN201120094171 U CN 201120094171U CN 202034819 U CN202034819 U CN 202034819U
- Authority
- CN
- China
- Prior art keywords
- power supply
- fuel cell
- static switch
- bypass
- inverter
- 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
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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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/40—Fuel cell technologies in production processes
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Fuel Cell (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses an uninterruptible power supply system based on a fuel cell. The uninterruptible power supply system comprises a main circuit power supply unit composed of a rectifier unit, an inverter and an inverse static switch which are connected in sequence, a bypass power supply unit composed of a bypass static switch, a standby power supply unit composed of an auxiliary power supply device, a DC/DC and a fuel cell system, and a control system for monitoring the working state of each component above; an AC input terminal is arranged at one end of the bypass static switch, and an AC output terminal is arranged at the other end of the bypass static switch; an AC input terminal is arranged at one end of the rectifier unit, and alternating current is output from the other end of the rectifier unit through the inverter and the inverse static switch; and the output terminal of the auxiliary power supply device and the fuel cell system are connected to the input terminal of the inverter after getting through the DC/DC. The uninterruptible power supply system can provide long-term stable power supply under the condition of power failure of alternating current.
Description
Technical field
The utility model relates to a kind of electric power system, particularly relates to a kind of uninterrupted power supply electric power system of having used fuel cell technology.
Background technology
UPS (uninterrupted power supply) is widely used in the communications industry and industrial circle as lasting, stable, continual power supply unit is provided, and in key equipment and network center etc. electric power is required in the rigorous environment especially, and its importance is especially outstanding.
For lasting electric energy power supply is provided under the assurance system state that externally civil power cuts off the power supply, in the ups system energy storage device must be arranged, in present ups system, generally adopt large-scale lead-acid batteries.Yet the inherent shortcoming of storage battery has limited the performance of UPS, as its have that weight is big, floor space is wide, manual maintenance requires high defective, when the civil power outage took place, the limitation of its sustainable power-on time was difficult to overcome, and also became the bottleneck that UPS uses.
The utility model content
Because the problems referred to above that prior art exists, the purpose of this utility model are to propose a kind of uninterrupted power supply electric power system based on fuel cell, this system's clean and effective, and long-time, stable electric energy power supply can be provided under the situation of civil power outage.
For achieving the above object, the utility model can be solved by the following technical programs:
A kind of uninterrupted power supply electric power system based on fuel cell, the bypass power supply unit that comprises the main circuit power supply unit formed by the rectifying device, inverter and the inversion static switch that link to each other successively, forms by bypass static switch, the stand-by power supply unit of forming by auxiliary power supply, DC/DC, fuel cell system, and the control system of each cell operation state more than monitoring; One end of described bypass static switch is the mains electricity input end, and the other end is the alternating current output; One end of described rectifying device is the mains electricity input end, and the other end is output AC behind described inverter, inversion static switch; Described auxiliary power supply output and described fuel cell system are connected to the input of described inverter behind described DC/DC.
As further feature of the present utility model, also comprise the man-machine interface that links to each other with control system, the order of this man-machine interface of described control system real-time response also feeds back to this man-machine interface with the operating state of described each unit.
As further feature of the present utility model, described control system links to each other with described auxiliary power supply provides electric energy by this auxiliary power supply for it.
Owing to adopt above technical scheme, uninterrupted power supply electric power system based on fuel cell of the present utility model is passed through main circuit power supply unit, the organic co-ordination in bypass power supply unit and stand-by power supply unit, system can externally provide continual regulated power power supply, for important power consumption equipment provides lasting high-quality electric energy.Even the civil power outage takes place, as long as the power supply of the hydrogen of fuel cell system is enough, system just can continuous firing, can overcome problems such as existing ups system continuous working period is limited.
Description of drawings
Fig. 1 is the structural representation of the power system based on fuel cell of the present utility model.
Embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawings below:
As shown in Figure 1, a kind of uninterrupted power supply electric power system of the present utility model based on fuel cell, the bypass power supply unit that comprises the main circuit power supply unit formed by the rectifying device 3, inverter 4 and the inversion static switch 5 that link to each other successively, forms by bypass static switch 2, the stand-by power supply unit of forming by auxiliary power supply 6, DC/DC7, fuel cell system 8; One end of bypass static switch 2 is the mains electricity input end, and the other end is the alternating current output; One end of rectifying device 3 is the mains electricity input end, and the other end is output AC behind inverter 4, inversion static switch 5; Auxiliary power supply 6 outputs and fuel cell system 8 are connected to the input of inverter 4 behind DC/DC7; Also comprise a control system 1 that links to each other with man-machine interface 9, the operating state of this control system 1 main each functional unit of monitoring is judged the civil power input state, and the switch operating mode, the order of real-time response man-machine interface, and the operating state that monitors fed back to man-machine interface 9; Control system 1 links to each other with auxiliary power supply 6 provides electric energy by this auxiliary power supply 6 for it.
According to the method for supplying power to of realizing based on the uninterrupted power supply electric power system of fuel cell of the present utility model, may further comprise the steps:
1) the outside civil power of control system 1 monitoring when outside civil power normal power supply, and in the main circuit power supply unit during each functional unit operate as normal, externally provides electric energy to form the main circuit power supply pattern by the main circuit power supply unit; At this moment, it is direct current energy that outside civil power inputs to rectifying device 3 back rectifications, and inverter 4 is stable AC energy with the direct current energy inversion, provides electric energy to external electric equipment behind inversion static switch 5.This moment, the bypass power supply unit quit work, and bypass static switch 2 is in off state, and the stand-by power supply unit is in holding state;
2) when outside civil power normal power supply, but control system 1 monitors the main circuit power supply unit and breaks down or receive man-machine interface 9 order when needing manual maintenance, with bypass static switch 2 closures, and with rectifying device 3, inverter 4,5 shutoffs of inversion static switch, control system 1 is the bypass power supply pattern with the main circuit power supply mode switch, and outside civil power directly externally provides electric energy through after this bypass static switch 2; This moment, each submodule of main circuit power supply unit all quit work, and the stand-by power supply unit is in holding state;
3) after control system 1 monitors outside civil power outage, provide interim direct current energy by auxiliary power supply 6, it externally provides electric energy behind inverter 4, inversion static switch 5, simultaneously, control system 1 starting fluid battery system 8 makes its DC power output, this direct current energy is externally exported electric energy behind DC/DC7, inverter 4, inversion static switch 5, this moment, the stand-by power supply unit was in running status, externally the output AC electric energy.In stand-by power supply cell operation process, its continuous working period mainly is subject to the hydrogen fuel supply, as long as therefore provide enough hydrogen supplies, the operating time of system is unrestricted, and long-time, stable supply of electrical energy can externally be provided.
But above-mentioned embodiment is exemplary, is to be the restriction that this patent is comprised scope in order better to make those skilled in the art can understand this patent, can not to be interpreted as; So long as according to spirit that this patent discloses done anyly be equal to change or modify, all fall into the scope that this patent comprises.
Claims (3)
1. uninterrupted power supply electric power system based on fuel cell, it is characterized in that: the bypass power supply unit that comprises the main circuit power supply unit formed by the rectifying device, inverter and the inversion static switch that link to each other successively, forms by bypass static switch, the stand-by power supply unit of forming by auxiliary power supply, DC/DC, fuel cell system, and the control system of each cell operation state more than monitoring; One end of described bypass static switch is the mains electricity input end, and the other end is the alternating current output; One end of described rectifying device is the mains electricity input end, and the other end is output AC behind described inverter, inversion static switch; Described auxiliary power supply output and described fuel cell system are connected to the input of described inverter behind described DC/DC.
2. electric supply system according to claim 1 is characterized in that: also comprise the man-machine interface that links to each other with control system, the order of this man-machine interface of described control system real-time response also feeds back to this man-machine interface with the operating state of described each unit.
3. electric supply system according to claim 1 and 2 is characterized in that: described control system links to each other with described auxiliary power supply provides electric energy by this auxiliary power supply for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941717U CN202034819U (en) | 2011-03-31 | 2011-03-31 | Uninterruptible power supply system based on fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200941717U CN202034819U (en) | 2011-03-31 | 2011-03-31 | Uninterruptible power supply system based on fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202034819U true CN202034819U (en) | 2011-11-09 |
Family
ID=44897103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200941717U Expired - Lifetime CN202034819U (en) | 2011-03-31 | 2011-03-31 | Uninterruptible power supply system based on fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202034819U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157980A (en) * | 2011-03-31 | 2011-08-17 | 昆山弗尔赛能源有限公司 | Uninterrupted power supply system based on fuel cell and power supply method thereof |
| CN103199615A (en) * | 2013-04-26 | 2013-07-10 | 天津中水有限公司 | Uninterrupted switching power supply |
| CN103904726A (en) * | 2012-12-27 | 2014-07-02 | 通用电气公司 | System for common redundant bypass feed paths in uninterruptible power supplies |
| EP2759689A1 (en) | 2013-01-28 | 2014-07-30 | Alstom Technology Ltd | Emergency power supply system comprising a hydrogen fueled fuel cell |
| US20140309802A1 (en) * | 2013-04-10 | 2014-10-16 | Ebay Inc. | Methods, systems, and apparatus for datacenter power distribution |
| CN105006878A (en) * | 2014-03-13 | 2015-10-28 | 通用电气公司 | System and method for providing increased fault current capability in uninterruptible power supply systems |
-
2011
- 2011-03-31 CN CN2011200941717U patent/CN202034819U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157980A (en) * | 2011-03-31 | 2011-08-17 | 昆山弗尔赛能源有限公司 | Uninterrupted power supply system based on fuel cell and power supply method thereof |
| CN103904726A (en) * | 2012-12-27 | 2014-07-02 | 通用电气公司 | System for common redundant bypass feed paths in uninterruptible power supplies |
| US9831675B2 (en) | 2012-12-27 | 2017-11-28 | General Electric Company | System for common redundant bypass feed paths in uninterruptible power supplies |
| CN103904726B (en) * | 2012-12-27 | 2018-01-19 | 通用电气公司 | System for the public redundancy bypass feed path in uninterrupted power source |
| EP2759689A1 (en) | 2013-01-28 | 2014-07-30 | Alstom Technology Ltd | Emergency power supply system comprising a hydrogen fueled fuel cell |
| US20140309802A1 (en) * | 2013-04-10 | 2014-10-16 | Ebay Inc. | Methods, systems, and apparatus for datacenter power distribution |
| US9490660B2 (en) * | 2013-04-10 | 2016-11-08 | Ebay Inc. | Methods, systems, and apparatus for datacenter power distribution |
| CN103199615A (en) * | 2013-04-26 | 2013-07-10 | 天津中水有限公司 | Uninterrupted switching power supply |
| CN103199615B (en) * | 2013-04-26 | 2015-05-27 | 天津中水有限公司 | Uninterrupted switching power supply |
| CN105006878A (en) * | 2014-03-13 | 2015-10-28 | 通用电气公司 | System and method for providing increased fault current capability in uninterruptible power supply systems |
| CN105006878B (en) * | 2014-03-13 | 2020-06-30 | Abb瑞士股份有限公司 | System and method for providing increased fault current capability in an uninterruptible power supply system |
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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: 20111109 |