CN204315671U - A kind of all-vanadium flow battery carrying working power - Google Patents
A kind of all-vanadium flow battery carrying working power Download PDFInfo
- Publication number
- CN204315671U CN204315671U CN201420709919.3U CN201420709919U CN204315671U CN 204315671 U CN204315671 U CN 204315671U CN 201420709919 U CN201420709919 U CN 201420709919U CN 204315671 U CN204315671 U CN 204315671U
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- China
- Prior art keywords
- power
- flow battery
- working power
- vanadium
- converting unit
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000004146 energy storage Methods 0.000 claims abstract description 12
- 239000003792 electrolyte Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
Classifications
-
- 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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- Fuel Cell (AREA)
Abstract
The utility model relates to a kind of all-vanadium flow battery carrying working power, belongs to energy-storage battery technical field.Form primarily of all-vanadium redox flow battery system, power conversion unit, working power, all-vanadium flow battery working power electric power is provided by energy-storage battery self, working power is made up of a DC-DC converting unit and DC-AC converting unit, being converted to the working volts alternating current of standard by controlling conversion, realizing the reliable power supply of the battery-operated power consumption equipment (cell liquor pump, heat exchanger etc.) to all-vanadium redox flow battery system.The utility model achieves the uninterrupted power supply of all-vanadium flow battery, and its implementation cost is lower, and cost performance is high, has broad application prospects.
Description
Technical field
The utility model belongs to energy-storage battery technical field, particularly relates to a kind ofly to carry working power and can the all-vanadium flow battery of independent operating.
Background technology
At present, all-vanadium flow battery is one of energy storage field latest model technology, apply at home and be also in the Demonstration Application stage, because all-vanadium flow battery normally could carry out charge and discharge by pump operation cycle electrolyte, therefore battery system self needs auxiliary ac working power supply to be supplied to pump motor and other relevant electrical equipment, the ac working power supply that in practical application, all-vanadium redox flow battery system is assisted, on the AC bus of the power distribution network got or adopt special UPS to power more.There is following problem in existing method of supplying power to:
When all-vanadium redox flow battery system working power gets power distribution network ac bus, once bus dead electricity, the supplementary AC working power of all-vanadium redox flow battery system is interrupted, therefore all-vanadium flow battery also quits work, battery system cannot realize non-stop run, and therefore in actual motion, battery functi on application is restricted.
There is provided the power supply of all-vanadium redox flow battery system according to special UPS, battery system requires being required to meet of non-stop run, but equipment investment increases, and equipment volume increases.
Summary of the invention
Goal of the invention:
In order to solve the problem existing for above-mentioned prior art, the utility model provides a kind of all-vanadium flow battery carrying working power.
Technical scheme:
The utility model is implemented by the following technical programs:
Carry an all-vanadium flow battery for working power, comprise all-vanadium redox flow battery system, power conversion unit and working power; It is characterized in that: all-vanadium redox flow battery system is connected with higher level's power distribution network by power conversion unit, the electric power of working power is provided by all-vanadium redox flow battery system, working power is connected with battery equipment, for battery-operated power consumption equipment provides electric power after working power conversion.
All-vanadium redox flow battery system comprises power cell, battery equipment and energy-storage units, and power cell connects battery equipment, battery equipment connection energy-storage units.
Working power is made up of DC-DC converting unit and DC-AC converting unit, and DC-DC converting unit connects DC-AC converting unit.
DC-DC converting unit is connected between power cell and DC-AC converting unit; DC-AC converting unit is connected between DC-DC converting unit and battery equipment.
Working power provides electric power by power cell, through working power, DC power supply is converted to the AC power of standard, for battery equipment is powered.
Advantage and effect:
The utility model provides a kind of all-vanadium flow battery carrying working power, all-vanadium flow battery is possessed upon actuation still can the ability of non-stop run under extraneous power loss condition, compare the mode adopting UPS to provide power supply, the utility model equipment investment is little, volume is little, the independent operating duration is long, improves range of application and the serviceability of flow battery further.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model embodiment schematic diagram.
Description of reference numerals:
1, DC-DC converting unit, 2, DC-AC converting unit, 3, power conversion unit, 4, power cell, 5, battery equipment, 6, energy-storage units.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described:
The utility model provides a kind of all-vanadium flow battery carrying working power, as shown in Figure 1, and this battery all-vanadium redox flow battery system, power conversion unit 3, working power; Described all-vanadium redox flow battery system is connected with higher level's power distribution network by power conversion unit 3, the electric power of described working power is provided by all-vanadium redox flow battery system, working power is connected with battery equipment 5, for battery equipment provides electric power after working power conversion.
All-vanadium redox flow battery system comprises power cell 4(pile or module), battery equipment 5(cell liquor pump, heat exchanger etc.), energy-storage units 6(electrolyte and storage tank), power cell 4 connects battery equipment 5, and battery equipment 5 connects energy-storage units 6.
Described working power is made up of DC-DC converting unit 1 and DC-AC converting unit 2.DC-DC converting unit 1 is connected with DC-AC converting unit 2, converts wide-range direct current voltage input to stable alternating voltage and exports.
Described DC-DC converting unit 1 is connected between power cell 4 and DC-AC converting unit 2, the cell voltage that power cell exports is converted to the direct voltage that stability criterion exports.
DC-AC converting unit 2 is connected between DC-DC converting unit 1 and battery equipment 5, DC power supply is converted to the AC power of standard, for electrolyte circulating pump, electrically operated valve provide ac working power supply.
Working power provides electric power by power cell 4, through working power, DC power supply is converted to the AC power of standard, for battery equipment 5 is powered.
With working power be standard three-phase 380V exchange be example, DC-DC converting unit 1 connects all-vanadium redox flow battery system, by the direct voltage that power cell side exports, conversion stable output is to 560V direct voltage to DC-AC converting unit 2, direct current is converted to the alternating current of 380V, be supplied to battery equipment 5.
Fig. 2 is the wiring schematic diagram of the utility model specific embodiment, and as shown in Figure 2, power conversion unit 3 adopts PCS current transformer, and power cell 4 adopts pile, and battery equipment 5 adopts positive pole V
4+/ V
5+cell liquor pump and negative pole V
2+/ V
3+cell liquor pump, energy-storage units 6 adopts positive pole V
4+/ V
5+electrolyte storage tank and negative pole V
2+/ V
3+electrolyte storage tank.Pile is connected with higher level's power distribution network by PCS current transformer, and pile also connects positive pole V respectively
4+/ V
5+cell liquor pump and negative pole V
2+/ V
3+cell liquor pump, positive pole V
4+/ V
5+cell liquor pump connects positive pole V
4+/ V
5+electrolyte storage tank, negative pole V
2+/ V
3+cell liquor pump connects negative pole V
2+/ V
3+electrolyte storage tank, positive pole V
4+/ V
5+electrolyte storage tank and negative pole V
2+/ V
3+electrolyte storage tank is also connected with pile respectively; Positive pole V
4+/ V
5+cell liquor pump and negative pole V
2+/ V
3+cell liquor pump is all connected with the DC-AC converting unit 2 of working power, and DC-DC converting unit 1 is connected between PCS current transformer and DC-AC converting unit 2.
The course of work of the present embodiment is: all-vanadium flow battery uses two cell liquor pumps rotated constantly to be input in pile by the electrolyte be stored in two electrolyte storage tank, in pile, chemical reaction occurs.Electric energy is provided by higher level's power distribution network by PCS current transformer, the V of positive pole during charging
4+release electronics becomes V
5+, the V of negative pole
3+absorb electronics and become V
2+; The V of positive pole during electric discharge
5+absorb electronics and become V
4+, the V of negative pole
2+release electronics becomes V
3+, the electric energy of release is powered to self working power, also can provide electric energy by PCS current transformer superior power distribution network simultaneously.Electrolyte after discharge and recharge flows back into electrolyte storage tank from pile, eliminates concentration polarization.
The utility model provides a kind of all-vanadium flow battery carrying working power, and under realizing said function and reaching same performance, its implementation cost is lower, and cost performance is high.
Claims (5)
1. carry an all-vanadium flow battery for working power, comprise all-vanadium redox flow battery system, power conversion unit (3) and working power; It is characterized in that: all-vanadium redox flow battery system is connected with higher level's power distribution network by power conversion unit (3), the electric power of working power is provided by all-vanadium redox flow battery system, working power is connected with battery equipment (5), for battery-operated power consumption equipment provides electric power after working power conversion.
2. the all-vanadium flow battery carrying working power according to claim 1, it is characterized in that: all-vanadium redox flow battery system comprises power cell (4), battery equipment (5) and energy-storage units (6), power cell (4) connects battery equipment (5), and battery equipment (5) connects energy-storage units (6).
3. the all-vanadium flow battery carrying working power according to claim 1, is characterized in that: working power is made up of DC-DC converting unit (1) and DC-AC converting unit (2), and DC-DC converting unit (1) connects DC-AC converting unit (2).
4. the all-vanadium flow battery carrying working power according to claim 1,2 or 3, is characterized in that: DC-DC converting unit (1) is connected between power cell (4) and DC-AC converting unit (2); DC-AC converting unit (2) is connected between DC-DC converting unit (1) and battery equipment (5).
5. the all-vanadium flow battery carrying working power according to claim 1, it is characterized in that: working power provides electric power by power cell (4), through working power, DC power supply being converted to the AC power of standard, is battery equipment (5) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709919.3U CN204315671U (en) | 2014-11-24 | 2014-11-24 | A kind of all-vanadium flow battery carrying working power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709919.3U CN204315671U (en) | 2014-11-24 | 2014-11-24 | A kind of all-vanadium flow battery carrying working power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204315671U true CN204315671U (en) | 2015-05-06 |
Family
ID=53137972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420709919.3U Active CN204315671U (en) | 2014-11-24 | 2014-11-24 | A kind of all-vanadium flow battery carrying working power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204315671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577172A (en) * | 2014-11-24 | 2015-04-29 | 国家电网公司 | All-vanadium flow battery with working power supply |
| CN106159303A (en) * | 2016-08-31 | 2016-11-23 | 安徽远东船舶有限公司 | A kind of high power DC vanadium cell electricity storage station |
-
2014
- 2014-11-24 CN CN201420709919.3U patent/CN204315671U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577172A (en) * | 2014-11-24 | 2015-04-29 | 国家电网公司 | All-vanadium flow battery with working power supply |
| CN106159303A (en) * | 2016-08-31 | 2016-11-23 | 安徽远东船舶有限公司 | A kind of high power DC vanadium cell electricity storage station |
| CN106159303B (en) * | 2016-08-31 | 2019-02-26 | 深圳市综合能源有限公司 | A kind of high power DC vanadium cell electricity storage station |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |