CN102157980A - Uninterrupted power supply system based on fuel cell and power supply method thereof - Google Patents
Uninterrupted power supply system based on fuel cell and power supply method thereof Download PDFInfo
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- CN102157980A CN102157980A CN2011100815244A CN201110081524A CN102157980A CN 102157980 A CN102157980 A CN 102157980A CN 2011100815244 A CN2011100815244 A CN 2011100815244A CN 201110081524 A CN201110081524 A CN 201110081524A CN 102157980 A CN102157980 A CN 102157980A
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention discloses an uninterrupted power supply system based on a fuel cell and a power supply method thereof. The power supply system comprises a main loop power supply unit, a bypass power supply unit, a standby power supply unit and a control system, wherein the main loop power supply unit comprises a rectifying device, an inverter and an inversion static switch which are connected sequentially; the bypass power supply unit comprises a bypass static switch; the standby power supply unit comprises an auxiliary power supply device, a DC (direct current)/DC converter and a fuel cell system; the control system is used for monitoring working states of all the units; the commercial power input end is arranged at one end of the bypass static switch, and the alternating current output end is arranged at the other end of the bypass static switch; the commercial power input end is arranged at one end of the rectifying device, and the other end of the rectifying device passes through the inverter and the inversion static switch and then outputs alternating current; and the output end of the auxiliary power supply device and the fuel cell system pass through the DC/DC converter and then are connected to the input end of the inverter. By adopting the uninterrupted power supply system, long-term stable electrical energy supply can be provided under the situation of commercial power failure.
Description
Technical field
The present invention relates to a kind of electric power system and method for supplying power to, particularly relate to a kind of uninterrupted power supply electric power system and method for supplying power to 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.
Summary of the invention
Because the problems referred to above that prior art exists, the objective of the invention is to propose a kind of uninterrupted power supply electric power system and method for supplying power to thereof 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 present invention 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 invention, 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 invention, described control system links to each other with described auxiliary power supply provides electric energy by this auxiliary power supply for it.
For achieving the above object, the present invention also proposes the power source supply method based on fuel cell, may further comprise the steps
1) described control system is monitored outside civil power, 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 described main circuit power supply unit;
2) when outside civil power normal power supply, but described control system monitors the main circuit power supply unit and breaks down or receive the man-machine interface order when needing manual maintenance, with described bypass static switch closure, described control system is the bypass power supply pattern with the main circuit power supply mode switch, and described outside civil power directly externally provides electric energy through after this bypass static switch;
3) after described control system monitors outside civil power outage, provide interim direct current energy by described auxiliary power supply, it externally provides electric energy behind described inverter, inversion static switch, simultaneously, described control system starting fluid battery system makes its DC power output, and this direct current energy is externally exported electric energy behind DC/DC, inverter, inversion static switch.
As further feature of the present invention, when forming the main circuit power supply pattern, described bypass static switch is in off state in the described step 1), and the stand-by power supply unit is in holding state.
As further feature of the present invention, described step 2) in when forming the bypass power supply pattern, described main circuit power supply unit quits work, the stand-by power supply unit is in holding state.
Owing to adopt above technical scheme, uninterrupted power supply electric power system based on fuel cell of the present invention 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 invention
Embodiment
The invention will be further described 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 invention 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 that proposes based on the uninterrupted power supply electric power system of fuel cell of the present invention, 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 (6)
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.
4. method of supplying power to according to claim 3 is characterized in that: may further comprise the steps
1) described control system is monitored outside civil power, 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 described main circuit power supply unit;
2) when outside civil power normal power supply, but described control system monitors the main circuit power supply unit and breaks down or receive the man-machine interface order when needing manual maintenance, with described bypass static switch closure, described control system is the bypass power supply pattern with the main circuit power supply mode switch, and described outside civil power directly externally provides electric energy through after this bypass static switch;
3) after described control system monitors outside civil power outage, provide interim direct current energy by described auxiliary power supply, it externally provides electric energy behind described inverter, inversion static switch, simultaneously, described control system starting fluid battery system makes its DC power output, and this direct current energy is externally exported electric energy behind DC/DC, inverter, inversion static switch.
5. method of supplying power to according to claim 4 is characterized in that: when forming the main circuit power supply pattern, described bypass static switch is in off state in the described step 1), and the stand-by power supply unit is in holding state.
6. method of supplying power to according to claim 5 is characterized in that: when forming the bypass power supply pattern, described main circuit power supply unit quits work described step 2), and the stand-by power supply unit is in holding state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100815244A CN102157980A (en) | 2011-03-31 | 2011-03-31 | Uninterrupted power supply system based on fuel cell and power supply method thereof |
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| CN2011100815244A CN102157980A (en) | 2011-03-31 | 2011-03-31 | Uninterrupted power supply system based on fuel cell and power supply method thereof |
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| CN102157980A true CN102157980A (en) | 2011-08-17 |
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Cited By (8)
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|---|---|---|---|---|
| CN102361345A (en) * | 2011-10-21 | 2012-02-22 | 浙江大学 | Seamless switching control method for uninterrupted power supply of fuel cell |
| CN103337901A (en) * | 2013-06-28 | 2013-10-02 | 华为技术有限公司 | Uninterruptible power supplying method and uninterruptible power supply |
| CN103904773A (en) * | 2014-04-02 | 2014-07-02 | 英利能源（中国）有限公司 | Bypass device of power distribution equipment and control method of power distribution network |
| CN105474502A (en) * | 2013-08-16 | 2016-04-06 | 伊顿公司 | Ups systems and methods using current-controlling low-loss modes |
| CN107863543A (en) * | 2017-11-15 | 2018-03-30 | 深圳国氢新能源科技有限公司 | A kind of monitoring method and cell apparatus |
| CN107910573A (en) * | 2017-11-08 | 2018-04-13 | 南京晓庄学院 | A kind of reversible fuel cell heap energy saver and control method |
| CN110970990A (en) * | 2018-09-28 | 2020-04-07 | 上海铁路通信有限公司 | Railway signal UPS system based on fuel cell |
| CN111572368A (en) * | 2020-06-06 | 2020-08-25 | 北京华商三优新能源科技有限公司 | Topological structure of hydrogen energy power generation equipment |
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| CN201742149U (en) * | 2009-11-20 | 2011-02-09 | 上海济烨能源科技有限公司 | Uninterrupted alternating current supply system based on high-speed silicon controlled |
| CN202034819U (en) * | 2011-03-31 | 2011-11-09 | 昆山弗尔赛能源有限公司 | Uninterruptible power supply system based on fuel cell |
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| US20030025397A1 (en) * | 2001-02-13 | 2003-02-06 | Young Douglas Gibbons | System for providing assured power to a critical load |
| CN2772095Y (en) * | 2004-11-19 | 2006-04-12 | 广东易事特集团有限公司 | Large-sized uniterruption power source |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361345A (en) * | 2011-10-21 | 2012-02-22 | 浙江大学 | Seamless switching control method for uninterrupted power supply of fuel cell |
| CN103337901B (en) * | 2013-06-28 | 2016-03-30 | 华为技术有限公司 | The method of uninterrupted power supply and uninterrupted power supply |
| CN103337901A (en) * | 2013-06-28 | 2013-10-02 | 华为技术有限公司 | Uninterruptible power supplying method and uninterruptible power supply |
| US9729007B2 (en) | 2013-06-28 | 2017-08-08 | Huawei Technologies Co., Ltd. | Uninterruptible power supplying method and uninterruptible power supply |
| WO2014206114A1 (en) * | 2013-06-28 | 2014-12-31 | 华为技术有限公司 | Uninterrupted power supply method and uninterrupted power supply |
| CN105474502A (en) * | 2013-08-16 | 2016-04-06 | 伊顿公司 | Ups systems and methods using current-controlling low-loss modes |
| CN105474502B (en) * | 2013-08-16 | 2019-10-11 | 伊顿智能动力有限公司 | Use the ups system and method for the low damage mode of current control |
| CN103904773B (en) * | 2014-04-02 | 2016-02-03 | 英利能源（中国）有限公司 | The shunting device of controller switching equipment and the control method of distribution network |
| CN103904773A (en) * | 2014-04-02 | 2014-07-02 | 英利能源（中国）有限公司 | Bypass device of power distribution equipment and control method of power distribution network |
| CN107910573A (en) * | 2017-11-08 | 2018-04-13 | 南京晓庄学院 | A kind of reversible fuel cell heap energy saver and control method |
| CN107910573B (en) * | 2017-11-08 | 2020-10-09 | 南京晓庄学院 | Energy-saving device of reversible fuel cell stack and control method |
| CN107863543A (en) * | 2017-11-15 | 2018-03-30 | 深圳国氢新能源科技有限公司 | A kind of monitoring method and cell apparatus |
| CN107863543B (en) * | 2017-11-15 | 2024-08-09 | 深圳国氢新能源科技有限公司 | Fuel cell monitoring method and fuel cell device |
| CN110970990A (en) * | 2018-09-28 | 2020-04-07 | 上海铁路通信有限公司 | Railway signal UPS system based on fuel cell |
| CN111572368A (en) * | 2020-06-06 | 2020-08-25 | 北京华商三优新能源科技有限公司 | Topological structure of hydrogen energy power generation equipment |
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Application publication date: 20110817 |