CN2638255Y - Fuel cell analog device - Google Patents
Fuel cell analog device Download PDFInfo
- Publication number
- CN2638255Y CN2638255Y CNU032644833U CN03264483U CN2638255Y CN 2638255 Y CN2638255 Y CN 2638255Y CN U032644833 U CNU032644833 U CN U032644833U CN 03264483 U CN03264483 U CN 03264483U CN 2638255 Y CN2638255 Y CN 2638255Y
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- China
- Prior art keywords
- fuel cell
- rectifier
- output
- transformer
- analogue means
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
A fuel cell simulating device belongs to the field of the power supply design. The utility model aims at providing a fuel cell simulating device. The fuel cell simulating device can be utilized to completely and reasonably simulate the working characteristics of the real fuel cell and is used as a substitute device in a bench test of the research and development process of a fuel cell electric vehicle or in other occasion that the fuel cell needs to be used as the power supply. The fuel cell simulating device of the utility model comprises a transformer, a programmable rectifier, a over voltage protector and an output capacitance; the input end of the transformer is connected with an AC 380V network electricity; the output end of the transformer is connected with the over voltage protector in parallel and is connected with the input end of the rectifier; the output end of the rectifier is connected with a load through the output capacitance. The utility model has the output-characteristics of the real fuel cell and is used to substitute the real fuel cell to work in the experiments and tests.
Description
Technical field
The utility model relates to a kind of fuel cell analogue means, belongs to the power supply design field.
Background technology
Fuel cell is a kind of supply unit, and is the same with other supply unit, and it is used for providing electric energy for electrical load.In the application of fuel cell electric vehicle, fuel cell is the power source of car load dynamical system, in fuel cell electric vehicle is conducted a research, almost all needs inevitably to use in bench test each time.And in the manufacturing of fuel cell, higher technology, manufacturing process and cost requirement are arranged.And on the other hand, fuel cell is a kind of special supply unit, has special output characteristic, and promptly its voltage has the characteristic of decay with the increase of electric current or power, so be again that general supply unit (net electricity or other batteries) does not substitute.Therefore, need replace actual fuel cell to be used to use the occasion of fuel cell, such as carrying out bench test in the fuel cell electric vehicle R﹠D process or other is the research and development of products process of power supply with the fuel cell with a kind of special replacement device.Before this, domestic still do not have fuel cell analogue means or a similar device.Significant meaning and value have been made in the design of this cover fuel cell analogue means.
The utility model content
The purpose of this utility model is for a kind of fuel cell analogue means is provided, utilize this device can fully reasonably simulate the operating characteristic of natural fuel battery, in the bench test of the R﹠D process of fuel cell electric vehicle or the act as a fuel replacement device of battery of other occasion use.This device is unprecedented at home, and this notion of " fuel cell analogue means " proposes also to have the initiative meaning.
In order to achieve the above object, fuel cell analogue means described in the utility model is characterized in that: this device comprises transformer, programmable rectifier, overvoltage protector and output capacitance; The input termination of described transformer exchanges 380V net electricity, and the output of transformer overvoltage protector in parallel links to each other with the input of described rectifier, and described rectifier output end links to each other with load by output capacitance.
As an improvement of the present utility model, be connected with contactor and fuse between described transformer and the net electricity.
Another kind of pattern of the present utility model is: the fuel cell analogue means comprises transformer, programmable rectifier, overvoltage protector and output capacitance; The input termination of described transformer exchanges 380V net electricity, and the output of transformer overvoltage protector in parallel links to each other with the input of described rectifier, and described rectifier output end links to each other with load by output capacitance; Described rectification device able to programme comprises that a main converter and one are from rectifier; The positive output end of described two rectifiers is respectively by receiving an end of described output capacitance after the Equilibrium Reactor; After the negative output terminal of described two rectifiers connected, the other end by smoothing reactor and output capacitance linked to each other.
But also series contactor and fuse between above-mentioned transformer and the rectifier.
This analogue means has been realized the simulation fully to the operating characteristic of the fuel cell in the reality.When electrical load is powered, the matching relationship between the output voltage of analogue means and its power output meets the characteristics of fuel cells that sets, and stable and reliable operation, has reached the good simulate effect to fuel cell.
Description of drawings
Fig. 1 represents the circuit interconnect pattern of a kind of embodiment of fuel cell analogue means.
Fig. 2 represents the circuit interconnect pattern of the another kind of embodiment of fuel cell analogue means.
Fig. 3 represents the control strategy line chart of rectifier inside in the fuel cell analogue means.
Fig. 4 represents the control flow chart of rectifier control module unit.
Embodiment
Analogue means has used the rectifier of Siemens Company, has realized two cover simulation devices.The 380V AC power is by the rectification transformation of the programmable rectifier of control mode, and the power that obtains after the rectification is exported, the operating characteristic of its characteristic conforms natural fuel battery.Realize this process, this need be programmed into the control chip of rectifier with the form of program with the characteristic curve of the work of natural fuel battery, in the working control process like this, just can control rectifier according to the work of preset working characteristic curve.Simultaneously, analogue means provides two kinds of working methods of manual control and automatic control.
In the utility model, the rectification unit of the first cover simulation device is made up of an independent rectifier; Rectification unit is made up of two rectifiers in the second cover simulation device, and wherein one as main converter, and an other conduct is from rectifier.During the second cover simulation device operation, the control of control unit is applied on the main converter, follows the running status of main converter from rectifier and carries out work.
With reference to accompanying drawing, will be described in detail specific embodiments of the present utility model.
What provide as Fig. 1 is the circuit interconnect pattern that the first cover fuel cell analogue means analog functuion realizes.Input AC 380V (commercial power) the voltage during work of analogue means, form is a three-phase alternating current band center line; Analogue means is output as direct current.The net electricity at first passes through automatic switch QF, passes through contactor KM and fuse FU1-3 again, then is connected to transformer T, and T is the power transformer of two windings, and the output of transformer offers the rectification speed regulating device.Simultaneously, ammeter A is installed between contactor and fuse, in the back of automatic switch QF voltmeter V is installed, SA1 is the diverter switch of voltmeter, can select to measure different alternate phase voltages by this diverter switch; The output of transformer is parallel with overvoltage protector RV1-3.The transformer output is connected respectively to three input ports of 1U1,1V1,1W1 of rectifier, it is the rectifier of 6RA7085-6DS22 that rectifier adopts the model of Siemens, select 600A irreversible+terminal board CUD2+ functional software bag S00, utilize the free characteristic curve function of software kit S00, the drawing system output voltage comes the output of control device with the curve of load variations with this curve.Can obtain the rectifier output voltage of 6 pulse wave waveforms by the rectification of rectifier.The output port 1C1 of rectifier, 1D1 shunt capacitance C, wherein 1C1 is a positive output end, 1D1 is a negative output terminal.Export behind the flat ripple of voltage stabilizing of the output voltage of rectifier through output capacitance C like this.Control rectifier by the following closed-loop control strategy that will talk about can be the electric current and voltage output that load provides the DC performance that meets characteristics of fuel cells.
What provide as Fig. 2 is the circuit interconnect pattern that the second cover fuel cell analogue means analog functuion realizes.Connect transformer T after exchanging 380V net electricity process automatic switch QF, this transformer is three-winding transformer, and its specification is 230kVA-380/380V.Between automatic switch and transformer, be separately installed with ammeter A and voltmeter V.Transformer secondary two windings exit separately is by contactor 1KM (2KM) and fuse 1FU1-3 (2FU1-3), receive three input ports of 1U1,1V1,1W1 of two rectifiers respectively, it is the rectifier of 6RA7078-6DS22 that rectifier adopts the model of Siemens; Simultaneously, transformer secondary two windings exit separately also all is parallel with overvoltage protector, is respectively 1RV1-3 and 2RV1-3.Using two rectifiers is differences that second covering device is different from first covering device.Equally, the output voltage waveforms that obtains by single rectifier rectification is the waveform of 6 pulse waves, but the positive output end 1C1 of two rectifiers is respectively by linking together behind Equilibrium Reactor 1L1 and the 1L2, carry out after the electric voltage equalization, just obtain the voltage output of 12 pulse waves, it is many that the pulse number of output voltage becomes, and mains ripple significantly diminishes, ripple also significantly reduces, and wants much steady through the output voltage of Equilibrium Reactor equilibrium.The negative output terminal 1D1 of two rectifiers directly links together, and again through the smoothing reactor 2L that is connected negative output terminal and the flat ripple of voltage stabilizing of the output capacitance C in parallel with load, further improves the DC performance and the carrying load ability of output then.The specified output of analogue means is direct current 500V/500A.
What Fig. 3 represented is the control principle block diagram of rectifier inside.The control module of rectifier inside is identical in two cover simulation devices.As figure, the operational characteristic module is meant the operational characteristic module of fuel cell, and promptly the operating characteristic of fuel cell just realizes by the top functional software bag S00 that mentions.Output voltage can be drawn arbitrarily as required with the curve of load variations, therefore this module of controller can be programmed, by programming the V-I characteristic curve of natural fuel battery has been implanted control module, thereby made rectifier pass through the control of voltage close loop and current closed-loop to load output current and voltage according to this characteristic curve.Under the operational mode of manual setting output voltage, according to the manual setting value, calculate current value by the operational characteristic module,, export through the voltage and current of current loop control rectifier more relatively as given electric current through Voltage loop.And under the pattern of automatically operation, at first be that sampling obtains power, voltage signal, the fuel cell characteristic curve is determined the size of output voltage and electric current automatically then, controls output as the reference of Voltage loop and electric current loop is given equally.Second cover simulation device these controls in running all are applied on the main rectifying device, from the running status operation of device tracking master device.
What provide as Fig. 4 is the control flow chart of rectifier control module unit under the automatic operation mode.Technical module is actually a tables of data, is the voltage-electric current corresponding relation tables of data of making by the natural fuel battery working characteristic.Can be in the known power demand, or voltage requirements, or the electric current demand is determined output voltage and current value by tabling look-up.Determined to meet after the output valve of characteristic, the actual output of rectifier has been stabilized on the determined value that obtains of tabling look-up by voltage close loop and current closed-loop.
Claims (4)
1. fuel cell analogue means, it is characterized in that: this device comprises transformer, programmable rectifier, overvoltage protector and output capacitance; The input termination of described transformer exchanges 380V net electricity, and the output of transformer overvoltage protector in parallel links to each other with the input of described rectifier, and described rectifier output end links to each other with load by output capacitance.
2. fuel cell analogue means according to claim 1 is characterized in that: be connected with contactor and fuse between described transformer and the net electricity.
3. fuel cell analogue means according to claim 1 is characterized in that: described rectification device able to programme comprises that a main converter and one are from rectifier; The positive output end of described two rectifiers is respectively by receiving an end of described output capacitance after the Equilibrium Reactor; After the negative output terminal of described two rectifiers connected, the other end by smoothing reactor and output capacitance linked to each other.
4. fuel cell analogue means according to claim 3 is characterized in that: go back series contactor and fuse between described transformer and the rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032644833U CN2638255Y (en) | 2003-06-24 | 2003-06-24 | Fuel cell analog device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032644833U CN2638255Y (en) | 2003-06-24 | 2003-06-24 | Fuel cell analog device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638255Y true CN2638255Y (en) | 2004-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032644833U Expired - Lifetime CN2638255Y (en) | 2003-06-24 | 2003-06-24 | Fuel cell analog device |
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| Country | Link |
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| CN (1) | CN2638255Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386668A (en) * | 2011-11-29 | 2012-03-21 | 合肥东耀电子有限公司 | Storage battery analog power supply device |
| CN102520751A (en) * | 2011-11-29 | 2012-06-27 | 合肥东耀电子有限公司 | Analog operational control circuit |
| TWI399695B (en) * | 2010-01-21 | 2013-06-21 | Univ Nat Kaohsiung Applied Sci | Simulation system for fuel cells and simulation control method therefor |
| CN104677640A (en) * | 2013-11-29 | 2015-06-03 | 清华大学 | Testing method for economic efficiency of fuel cell hybrid electric vehicle |
-
2003
- 2003-06-24 CN CNU032644833U patent/CN2638255Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI399695B (en) * | 2010-01-21 | 2013-06-21 | Univ Nat Kaohsiung Applied Sci | Simulation system for fuel cells and simulation control method therefor |
| CN102386668A (en) * | 2011-11-29 | 2012-03-21 | 合肥东耀电子有限公司 | Storage battery analog power supply device |
| CN102520751A (en) * | 2011-11-29 | 2012-06-27 | 合肥东耀电子有限公司 | Analog operational control circuit |
| CN102520751B (en) * | 2011-11-29 | 2013-12-11 | 合肥东耀电子有限公司 | Analog operational control circuit |
| CN102386668B (en) * | 2011-11-29 | 2013-12-11 | 合肥东耀电子有限公司 | Storage battery analog power supply device |
| CN104677640A (en) * | 2013-11-29 | 2015-06-03 | 清华大学 | Testing method for economic efficiency of fuel cell hybrid electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130624 Granted publication date: 20040901 |