CN107742896A - Energy storage type electrokinetic cell analog power structure - Google Patents
Energy storage type electrokinetic cell analog power structure Download PDFInfo
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- CN107742896A CN107742896A CN201711038434.0A CN201711038434A CN107742896A CN 107742896 A CN107742896 A CN 107742896A CN 201711038434 A CN201711038434 A CN 201711038434A CN 107742896 A CN107742896 A CN 107742896A
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- energy
- electrokinetic cell
- power
- cell analog
- analog power
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- 238000004146 energy storage Methods 0.000 title claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Energy storage type electrokinetic cell analog power structure, is related to field of power electronics.Including electrokinetic cell analog power, the electrokinetic cell analog power includes primary input switch, input contactor, AC/DC power modules and the DC/DC power modules being sequentially connected in series, and electric capacity C2 is connected between the both positive and negative polarity of DC/DC voltage regulating module output ends；The output end of AC/DC power modules be connected with for by electrokinetic cell analog power in test process caused high frequency time, the energy-storage module that interrupted, feedback energy of the duration less than 20ms is stored.Present invention innovation on the basis of the second generation tests power supply adds energy-storage module, dc bus end is stored in for the high frequency time in test process, interrupted, feedback electromotive force of the duration less than 20ms, terminate to continue to supply dc bus use under power supply is in output state in feedback, directly feedback net number can be greatly decreased, the pollution to power network is reduced, while also improves overall efficiency.
Description
Technical field
The present invention relates to field of power electronics, specially a kind of energy storage type electrokinetic cell analog power structure.
Background technology
Precipitation of the new-energy automobile Jing Guo last decade, had welcome the opportunity of high speed development in recent years.With new-energy automobile
The lifting of production capacity, energy in its direct upstream industry new energy motor, electric machine controller and new energy resource power battery test
Consumption be increasingly taken seriously.
The direct consuming type test power supply that first generation motor and electric machine controller experimental power supply use（In test process
Energy resistance in braking regeneration energy or battery testing is consumed in the form of heat, abbreviation consuming type）.
Second generation motor and electric machine controller test power supply are two-way feed-back type test power supplys, and the test of two-way feed-back type is electric
Source can realize energy the energy feedback in the braking regeneration energy or battery testing in new energy test process to power network
Amount recycles, but being continuously increased with power supply installed capacity, pollution of the feedback electric energy to power network gradually cause electric power
The attention of department, partly require the quality of power supply that high field is closed and have begun to limit electric energy feedback power network.
Research indicates that the energy feedback duration during electromechanical testing more than 80% is less than 20ms（Even 10ms）, this
Kind of high frequency time, interrupted feedback pattern are the most serious to electric network pollution, reduce this high frequency time, interrupted feedback number can pole
Pollution of the reduction of big degree to power network.
The content of the invention
It is an object of the invention to provide a kind of energy storage type electrokinetic cell analog power structure, in the base of second generation test power supply
Innovation adds energy-storage module on plinth, and for the high frequency time in test process, interrupted, the continuous time is electronic less than 20ms feedback
Gesture is stored in dc bus end, terminates to continue to supply dc bus use under power supply is in output state in feedback, can significantly subtract
It is few directly to present net number, the pollution to power network is reduced, while also improve overall efficiency.
Realizing the technical scheme of above-mentioned purpose is：Energy storage type electrokinetic cell analog power structure, including electrokinetic cell simulation
Power supply, the electrokinetic cell analog power include be sequentially connected in series primary input switch, input contactor, AC/DC power modules and
DC/DC power modules, electric capacity C2 is connected between the both positive and negative polarity of DC/DC voltage regulating module output ends；
It is characterized in that：The output end of AC/DC power modules, which is connected with, to be used for electrokinetic cell analog power in test process
Caused high frequency time, the energy-storage module that interrupted, feedback electromotive force of the duration less than 20ms is stored.
Present invention innovation on the basis of the second generation tests power supply adds energy-storage module, for the high frequency in test process
Secondary, interrupted, feedback electromotive force of the duration less than 20ms is stored in dc bus end, and terminating power supply in feedback is in output
Continue to supply dc bus use under state, directly feedback net number can be greatly decreased, reduce the pollution to power network, while also improve
Overall efficiency.
Relative to the beneficial effect of prior art：1）The power grade of AC/DC power modules can be reduced, reduce prime device
Cost；2）Reduce the loss of device, improve overall efficiency；3）One-level response switching is reduced, dynamic response is faster；4）Small-power
Energy direct storage is present inside machine, will not frequent feedback grid, reduce the pollution to power network.
Further, LCL filter circuits are serially connected between input contactor JK, AC/DC power module.
Further, the energy-storage module includes energy storage filter inductance L, filter capacitor C1, IGBT module Q, anti-and two poles
Pipe D, dc circuit breaker J, current monitoring module and energy-storage units E；
The filter capacitor C1 is connected between the both positive and negative polarity of AC/DC power module outlets, energy-storage units E positive terminal with
IGBT module Q C poles connection, energy-storage units E negative pole end are connected by dc circuit breaker J with filter capacitor C1 negative pole end,
IGBT module Q E poles are connected after being concatenated with energy storage filter inductance L, current monitoring module TC with filter capacitor C1 positive terminal, institute
State anti-and diode D positive pole connection IGBT module Q E poles, the C of anti-and diode D the positive pole connection IGBT module Q
Pole.
Further, the energy-storage units E is battery pack or super capacitor.
Further, current monitoring module is Hall sensor.
The operation principle of energy-storage module is：
A, the output voltage of AC/DC power modules be Ubus, operating voltage U1, feedback threshold value is Δ U, i.e., as Ubus ＞ U1+
During Δ U, AC/DC power modules start feedback.
B, energy-storage units E operating voltage is Ubatt, Ubus=Ubatt during normal work.When Ubus voltages are less than bus
During setting value Ubus, IGBT module Q pulsing ones, pulse frequency is fixed, and dutycycle gradually increases, and is charged for filter capacitor C1.
C, when Ubus voltages are higher than Ubatt voltages, by energy storage filter inductance L, anti-and diode D is energy-storage units E
Charging.In Ubatt<Energy will not feed back to power network by AC/DC power modules during U1+ Δ U.
D, current monitoring module TC monitors energy-storage units E charging and discharging electric current, and limits dutycycle, ensures electric current prison
The detected value for surveying module TC is consistently less than Imax.
E, when Ubatt exceedes overvoltage protection value, J disconnects, cut-out and Ubus connection, ensures energy-storage units E safety.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the present invention.
Embodiment
As shown in figure 1, the present invention includes electrokinetic cell analog power, electrokinetic cell analog power includes the master being sequentially connected in series
Input switch 1, input contactor 2, LCL filter circuits 3, AC/DC power modules 4 and DC/DC power modules 5, AC/DC power supply moulds
The positive pole of the output end of block 4 is connected with electric capacity C2 between being serially connected with the both positive and negative polarity of the output end of fuse FU, DC/DC voltage regulating module 5.
The output end of AC/DC power modules 4 be connected with for by electrokinetic cell analog power in test process caused by
High frequency time, the energy-storage module 6 that interrupted, feedback electromotive force of the duration less than 20ms is stored, energy-storage module 6 include storage
Can filter inductance L, filter capacitor C1, IGBT module Q, anti-and diode D, dc circuit breaker J, current monitoring module TC and energy storage
Unit E；
Filter capacitor C1 is connected between the both positive and negative polarity of the output end of AC/DC power modules 4, energy-storage units E positive terminal with
IGBT module Q C poles connection, energy-storage units E negative pole end are connected by dc circuit breaker J with filter capacitor C1 negative pole end,
IGBT module Q E poles are connected after being concatenated with energy storage filter inductance L, current monitoring module TC with filter capacitor C1 positive terminal, institute
State anti-and diode D positive pole connection IGBT module Q E poles, anti-and diode D positive pole connection IGBT module Q C poles.
In the present embodiment, energy-storage units E can use battery or super capacitor.
In the present embodiment, current monitoring module TC can use Hall sensor.
The operation principle of energy-storage module 6 is：
A, the output voltage of AC/DC power modules 4 be Ubus, operating voltage U1, feedback threshold value is Δ U, i.e., as Ubus ＞ U1+
During Δ U, AC/DC power modules start feedback.
B, energy-storage units E operating voltage is Ubatt, Ubus=Ubatt during normal work.When Ubus voltages are less than bus
During setting value Ubus, IGBT module Q pulsing ones, pulse frequency is fixed, and dutycycle gradually increases, and is charged for filter capacitor C1.
C, when Ubus voltages are higher than Ubatt voltages, by energy storage filter inductance L, anti-and diode D is energy-storage units E
Charging.In Ubatt<Power network will not be fed back to by AC/DC power modules during U1+ Δ U.
D, current monitoring module TC monitors energy-storage units E charging and discharging electric current, and limits dutycycle, ensures electric current prison
The detected value for surveying module TC is consistently less than Imax.
E, when Ubatt exceedes overpressure value, J disconnects, cut-out and energy-storage units E connection, ensures energy-storage units E safety.
Claims (5)
1. energy storage type electrokinetic cell analog power structure, including electrokinetic cell analog power, the electrokinetic cell analog power bag
Include the primary input switch being sequentially connected in series, input contactor, AC/DC power modules and DC/DC power modules, DC/DC voltage regulating modules
Electric capacity C2 is connected between the both positive and negative polarity of output end；
It is characterized in that：The output end of AC/DC power modules, which is connected with, to be used for electrokinetic cell analog power in test process
Caused high frequency time, the energy-storage module that interrupted, feedback energy of the duration less than 20ms is stored.
2. energy storage type electrokinetic cell analog power structure according to claim 1, it is characterised in that：Input contactor JK,
LCL filter circuits are serially connected between AC/DC power modules.
A kind of 3. energy storage type electrokinetic cell analog power structure according to claim 1, it is characterised in that：The energy storage mould
Block includes energy storage filter inductance L, filter capacitor C1, IGBT module Q, anti-and diode D, dc circuit breaker J, current monitoring module
TC and energy-storage units E；
The filter capacitor C1 is connected between the both positive and negative polarity of AC/DC power module outlets, energy-storage units E positive terminal with
IGBT module Q C poles connection, energy-storage units E negative pole end are connected by dc circuit breaker J with filter capacitor C1 negative pole end,
IGBT module Q E poles are connected after being concatenated with energy storage filter inductance L, current monitoring module TC with filter capacitor C1 positive terminal, institute
State anti-and diode D positive pole connection IGBT module Q E poles, the C of anti-and diode D the positive pole connection IGBT module Q
Pole.
4. energy storage type electrokinetic cell analog power structure according to claim 3, it is characterised in that：The energy-storage units are
Battery or super capacitor.
5. energy storage type electrokinetic cell analog power structure according to claim 3, it is characterised in that：Current monitoring module is
Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038434.0A CN107742896A (en) | 2017-10-31 | 2017-10-31 | Energy storage type electrokinetic cell analog power structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038434.0A CN107742896A (en) | 2017-10-31 | 2017-10-31 | Energy storage type electrokinetic cell analog power structure |
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| CN107742896A true CN107742896A (en) | 2018-02-27 |
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| CN201711038434.0A Pending CN107742896A (en) | 2017-10-31 | 2017-10-31 | Energy storage type electrokinetic cell analog power structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245504A (en) * | 2018-09-25 | 2019-01-18 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
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| US20130151227A1 (en) * | 2011-12-12 | 2013-06-13 | Samsung Sdi Co., Ltd. | Apparatus for simulating battery system |
| CN103956761A (en) * | 2014-04-22 | 2014-07-30 | 电子科技大学 | Mixed micro-grid system of large-scale energy recycling power battery pack test device |
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| CN204230948U (en) * | 2014-09-30 | 2015-03-25 | 深圳市盛弘电气有限公司 | A kind of new forms of energy feed-type charge-discharge machine |
| CN105915082A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power battery simulation equipment |
| CN207410042U (en) * | 2017-10-31 | 2018-05-25 | 国充充电科技江苏股份有限公司 | Energy storage type power battery analog power structure |
-
2017
- 2017-10-31 CN CN201711038434.0A patent/CN107742896A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130151227A1 (en) * | 2011-12-12 | 2013-06-13 | Samsung Sdi Co., Ltd. | Apparatus for simulating battery system |
| CN103956761A (en) * | 2014-04-22 | 2014-07-30 | 电子科技大学 | Mixed micro-grid system of large-scale energy recycling power battery pack test device |
| CN203851060U (en) * | 2014-05-10 | 2014-09-24 | 湖北德普电气股份有限公司 | Power battery simulation device |
| CN204230948U (en) * | 2014-09-30 | 2015-03-25 | 深圳市盛弘电气有限公司 | A kind of new forms of energy feed-type charge-discharge machine |
| CN105915082A (en) * | 2016-04-21 | 2016-08-31 | 中国船舶重工集团公司第七〇二研究所 | High-voltage high-power battery simulation equipment |
| CN207410042U (en) * | 2017-10-31 | 2018-05-25 | 国充充电科技江苏股份有限公司 | Energy storage type power battery analog power structure |
Cited By (1)
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| CN109245504A (en) * | 2018-09-25 | 2019-01-18 | 国充充电科技江苏股份有限公司 | A kind of new energy electromechanical testing energy bleeder |
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