CN105897032A - Auxiliary power supply of bidirectional energy storage inverter - Google Patents
Auxiliary power supply of bidirectional energy storage inverter Download PDFInfo
- Publication number
- CN105897032A CN105897032A CN201610156227.4A CN201610156227A CN105897032A CN 105897032 A CN105897032 A CN 105897032A CN 201610156227 A CN201610156227 A CN 201610156227A CN 105897032 A CN105897032 A CN 105897032A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- power supply
- bidirectional
- storage inverter
- bidirectional energy
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 56
- 238000004146 energy storage Methods 0.000 title claims abstract description 37
- 230000005611 electricity Effects 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 3
- 229910052710 silicon Inorganic materials 0.000 abstract 3
- 239000010703 silicon Substances 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000779 depleting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/66—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal
- H02M7/68—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters
- H02M7/72—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/797—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- 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
-
- 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)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an auxiliary power supply of a bidirectional energy storage inverter. The auxiliary power supply is composed of a first alternating-current circuit breaker, a second alternating-current circuit breaker, a bidirectional silicon controlled rectifier, a UPS power supply, an alternating-current relay, an inverter unit and a control system. The bidirectional silicon controlled rectifier is connected between the first alternating-current circuit breaker and the inverter unit; the second alternating-current circuit breaker and the UPS power supply are connected between the bidirectional silicon controlled rectifier and the inverter unit; the UPS power supply is connected with the alternating-current relay and the control system; and the inverter unit is connected with the second alternating-current circuit breaker and the control system. According to the auxiliary power supply provided by the invention, modularization of the auxiliary power supply is realized and thus maintenance and replacement can be carried out conveniently; and an automatic switching circuit can switch various working modes for the bidirectional energy storage inverter automatically. Meanwhile, the auxiliary power supply also adapts to occasions with extreme conditions, wherein the occasions include one with power exhausting of the UPS power supply due to self discharging.
Description
Technical field
The invention belongs to the technical field of charging device, be specifically related to the accessory power supply of a kind of bidirectional energy-storage inverter.
Background technology
Bidirectional energy-storage inverter has grid-connected charging, grid-connected electric discharge, three kinds of mode of operations of off-network.Two kinds of mode of operations of the most grid-connected charging and grid-connected electric discharge need bidirectional energy-storage inverter to be connected with electrical network, so the electricity consumption of the control system of bidirectional energy-storage inverter internal can be directly from electrical network power taking.But off-network mode of operation then needs bidirectional energy-storage inverter and electrical network disconnection Independent Power Generation to power to AC load.Owing to there is no electrical network, so the power taking of the control system of bidirectional energy-storage inverter internal then becomes a great problem.
Summary of the invention
The technical problem that present invention mainly solves is to provide the accessory power supply of a kind of bidirectional energy-storage inverter, owing to have employed ups power ripe on market, make the auxiliary power module of bidirectional energy-storage inverter, maintain easily with changing, its automatic switch-over circuit can well automatically switch and be applicable to the various mode of operations of bidirectional energy-storage inverter, also can tackle the scene under extreme condition, in the case of depleting electricity such as ups power self discharge simultaneously.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide the accessory power supply of a kind of bidirectional energy-storage inverter, including the first AC circuit breaker, second AC circuit breaker, bidirectional triode thyristor, ups power, AC relay, inversion unit and control system, described bidirectional triode thyristor is connected between the first AC circuit breaker and inversion unit, the second described AC circuit breaker and ups power are connected between bidirectional triode thyristor and inversion unit, described ups power is also connected with AC relay and control system, described inversion unit is connected with the second AC circuit breaker and control system the most respectively.
In a preferred embodiment of the present invention, the first described AC circuit breaker is connected to AC network, and the second described AC circuit breaker is connected to local load.
In a preferred embodiment of the present invention, when bidirectional energy-storage inverter is operated in grid-connected charging and grid-connected discharge mode, described the first AC circuit breaker, the second AC circuit breaker and bidirectional triode thyristor Guan Bi, the coil of now described AC relay obtains electric Guan Bi.
In a preferred embodiment of the present invention, when bidirectional energy-storage inverter is operated in off-network pattern, the second described AC circuit breaker Guan Bi, the first described AC circuit breaker and bidirectional triode thyristor disconnection, the coil of now described AC relay does not has electricity not adhesive.
The invention has the beneficial effects as follows: the accessory power supply of the bidirectional energy-storage inverter of the present invention, owing to have employed ups power ripe on market, make the auxiliary power module of bidirectional energy-storage inverter, maintain easily with changing, its automatic switch-over circuit can well automatically switch and be applicable to the various mode of operations of bidirectional energy-storage inverter, also can tackle the scene under extreme condition, in the case of depleting electricity such as ups power self discharge simultaneously.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the structured flowchart of a preferred embodiment of the accessory power supply of bidirectional energy-storage inverter of the present invention.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, the embodiment of the present invention includes:
A kind of accessory power supply of bidirectional energy-storage inverter, including the first AC circuit breaker, the second AC circuit breaker, bidirectional triode thyristor, ups power, AC relay, inversion unit and control system, described bidirectional triode thyristor is connected between the first AC circuit breaker and inversion unit, the second described AC circuit breaker and ups power are connected between bidirectional triode thyristor and inversion unit, described ups power is also connected with AC relay and control system, and described inversion unit is connected with the second AC circuit breaker and control system the most respectively.
In above-mentioned, the first AC circuit breaker, the second AC circuit breaker, bidirectional triode thyristor, inversion unit, control system constitute bidirectional energy-storage converter main circuit；The accessory power supply of bidirectional energy-storage inverter is constituted by ups power and AC relay.Wherein, the first described AC circuit breaker is connected to AC network, and the second described AC circuit breaker is connected to local load.
When bidirectional energy-storage inverter is operated in grid-connected charging and grid-connected discharge mode, described the first AC circuit breaker, the second AC circuit breaker and bidirectional triode thyristor Guan Bi, the coil of now described AC relay obtains electric Guan Bi.Ups power passes through AC relay normally opened contact 4 incoming transport grid charging, exports simultaneously and charges to control system.
When bidirectional energy-storage inverter is operated in off-network pattern, the second described AC circuit breaker Guan Bi, the first described AC circuit breaker and bidirectional triode thyristor disconnection, the coil of now described AC relay does not has electricity not adhesive.Before the generating of bidirectional energy-storage inverter off-network pattern, ups power is worked by its cells and powers to control system, control system obtain electric after bidirectional energy-storage inverter start off-network generating, electricity can be charged to ups power by the normally-closed contact 2 of AC relay, powers to the control system of self simultaneously.
When bidirectional energy-storage inverter causes ups power self discharge to deplete electricity owing to long-time placement does not uses, closing the first AC circuit breaker, now the coil of AC relay obtains electric Guan Bi, and ups power passes through AC relay contact 4 incoming transport grid charging.
In sum, the accessory power supply of the bidirectional energy-storage inverter of the present invention, owing to have employed ups power ripe on market, make the auxiliary power module of bidirectional energy-storage inverter, maintain easily with changing, its automatic switch-over circuit can well automatically switch and be applicable to the various mode of operations of bidirectional energy-storage inverter, also can tackle the scene under extreme condition, in the case of depleting electricity such as ups power self discharge simultaneously.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. the accessory power supply of a bidirectional energy-storage inverter, it is characterized in that, including the first AC circuit breaker, the second AC circuit breaker, bidirectional triode thyristor, ups power, AC relay, inversion unit and control system, described bidirectional triode thyristor is connected between the first AC circuit breaker and inversion unit, the second described AC circuit breaker and ups power are connected between bidirectional triode thyristor and inversion unit, described ups power is also connected with AC relay and control system, and described inversion unit is connected with the second AC circuit breaker and control system the most respectively.
The accessory power supply of bidirectional energy-storage inverter the most according to claim 1, it is characterised in that the first described AC circuit breaker is connected to AC network, the second described AC circuit breaker is connected to local load.
The accessory power supply of bidirectional energy-storage inverter the most according to claim 2, it is characterized in that, when bidirectional energy-storage inverter is operated in grid-connected charging and grid-connected discharge mode, described the first AC circuit breaker, the second AC circuit breaker and bidirectional triode thyristor Guan Bi, the coil of now described AC relay obtains electric Guan Bi.
The accessory power supply of bidirectional energy-storage inverter the most according to claim 3, it is characterized in that, when bidirectional energy-storage inverter is operated in off-network pattern, the second described AC circuit breaker Guan Bi, the first described AC circuit breaker and bidirectional triode thyristor disconnect, and the coil of now described AC relay does not has electricity not adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156227.4A CN105897032A (en) | 2016-03-21 | 2016-03-21 | Auxiliary power supply of bidirectional energy storage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156227.4A CN105897032A (en) | 2016-03-21 | 2016-03-21 | Auxiliary power supply of bidirectional energy storage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105897032A true CN105897032A (en) | 2016-08-24 |
Family
ID=57014356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610156227.4A Pending CN105897032A (en) | 2016-03-21 | 2016-03-21 | Auxiliary power supply of bidirectional energy storage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105897032A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130574A (en) * | 2003-10-22 | 2005-05-19 | Tokyo Gas Co Ltd | Uninterruptible power system |
| CN103023068A (en) * | 2012-12-21 | 2013-04-03 | 赵磊 | Hybrid inverter for power supply system |
| CN103441520A (en) * | 2013-08-31 | 2013-12-11 | 深圳先进储能材料国家工程研究中心有限公司 | Micro-grid distribution type new energy storage system |
| CN103683459A (en) * | 2013-12-04 | 2014-03-26 | 深圳科士达科技股份有限公司 | Hybrid inverter with uninterruptible power supply function |
| CN104635172A (en) * | 2013-11-08 | 2015-05-20 | 西安艾力特电子实业有限公司 | Novel feedback burn-in circuit of multiple direct-current power supplies |
| US20160049829A1 (en) * | 2013-07-09 | 2016-02-18 | Ablerex Electronics Co., Ltd. | Double-Port Energy Storage System and Control Method Thereof |
| CN205490223U (en) * | 2016-03-21 | 2016-08-17 | 江苏峰谷源储能技术研究院有限公司 | Auxiliary electrical power source of two -way energy storage dc -to -ac converter |
-
2016
- 2016-03-21 CN CN201610156227.4A patent/CN105897032A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005130574A (en) * | 2003-10-22 | 2005-05-19 | Tokyo Gas Co Ltd | Uninterruptible power system |
| CN103023068A (en) * | 2012-12-21 | 2013-04-03 | 赵磊 | Hybrid inverter for power supply system |
| US20160049829A1 (en) * | 2013-07-09 | 2016-02-18 | Ablerex Electronics Co., Ltd. | Double-Port Energy Storage System and Control Method Thereof |
| CN103441520A (en) * | 2013-08-31 | 2013-12-11 | 深圳先进储能材料国家工程研究中心有限公司 | Micro-grid distribution type new energy storage system |
| CN104635172A (en) * | 2013-11-08 | 2015-05-20 | 西安艾力特电子实业有限公司 | Novel feedback burn-in circuit of multiple direct-current power supplies |
| CN103683459A (en) * | 2013-12-04 | 2014-03-26 | 深圳科士达科技股份有限公司 | Hybrid inverter with uninterruptible power supply function |
| CN205490223U (en) * | 2016-03-21 | 2016-08-17 | 江苏峰谷源储能技术研究院有限公司 | Auxiliary electrical power source of two -way energy storage dc -to -ac converter |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |