CN105896710A - Emergency power supply device based on inverter technology - Google Patents
Emergency power supply device based on inverter technology Download PDFInfo
- Publication number
- CN105896710A CN105896710A CN201610261534.9A CN201610261534A CN105896710A CN 105896710 A CN105896710 A CN 105896710A CN 201610261534 A CN201610261534 A CN 201610261534A CN 105896710 A CN105896710 A CN 105896710A
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- CN
- China
- Prior art keywords
- electrically connected
- igct
- inverter
- power supply
- emergency power
- 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.)
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- 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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without 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
- H02M7/537—Conversion of dc power input into ac power output without 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, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without 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, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without 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, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53873—Conversion of dc power input into ac power output without 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, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
Abstract
The invention relates to an emergency power supply device based on inverter technology, and belongs to the technical field of inverter power supply. The emergency power supply device includes a power distribution cabinet. One side of the power distribution cabinet is connected electrically with a surge voltage absorber. One side of the surge voltage absorber is connected electrically with a filter. One side of the filter is connected with a changeover switch. The other side of the filter is connected electrically with a rectifier. One side of the rectifier is connected electrically with an inverter. One side of the inverter is connected electrically with a static switch. The static switch is connected electrically with a transformer, a low-pass filter and an output load sequentially from left to right. One side of the changeover switch is connected with the static switch. The bottom of the rectifier is connected electrically with a power package. The invention enables the switch current to be reduced by half by using a single-phase full-bridge inverter circuit, is suitable for some large power occasions, meanwhile facilitates daily operation and maintenance of the device in the event of equipment failure by arranging the changeover switch, and is simple in structure, reasonable in design and high in practicality.
Description
Technical field
The present invention relates to a kind of Emergency power supply unit based on inversion transformation technique, belong to inversion power supply technique field.
Background technology
At present, modern industry is more and more higher to the requirement of the quality of power supply, and inversion transformation technique has become Power Electronic Technique
In important component part, traditional inverter mostly is analog control system, although analog control technique is
Highly developed, but there is the most intrinsic shortcoming, as the most in the components and parts of control circuit, circuit is complicated, inverse
The problems such as variable power source heaviness, very flexible, the application effect of the serious inverter limited, present
Inverter circuit circuit structure is more complicated, and goes wrong and be not easy to maintenance, accordingly, it would be desirable to improve further.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, it is provided that a kind of emergent confession based on inversion transformation technique
Electric installation, by single-phase full bridge inverter circuit, makes switching current decrease half, it is adaptable to some are powerful
Occasion, is simultaneously provided with permutator, when equipment goes wrong, facilitates regular job and the maintenance of device, can
Effectively to solve the problem in background technology.
In order to solve above-mentioned technical problem, the invention provides following technical scheme:
A kind of Emergency power supply unit based on inversion transformation technique, including power distribution cabinet, described power distribution cabinet side is electrically connected with
Surge suppressor, described surge suppressor side is electrically connected with wave filter, and described wave filter side is even
Connecing permutator, described wave filter opposite side is electrically connected with commutator, and described commutator side is electrically connected with inversion
Device, described inverter side be electrically connected with static switch, described static switch the most successively with transformator,
Low pass filter, output loading are electrically connected with, and described permutator side connects described static switch, described whole
It is electrically connected with power supply group bottom stream device.
Preferably, described inverter inverter circuit is active inversion, and described inverter circuit structure uses single-phase bridge
Formula PWM structure.
Preferably, described inverter inverter circuit is provided with IGCT (V1, V2, V3, V4), described commutator
Positive pole is electrically connected with IGCT (V1) anode, IGCT (V2) anode respectively, and described commutator negative pole divides
It is not electrically connected with IGCT (V3) negative electrode, IGCT (V4) negative electrode, IGCT (V1) negative electrode and brilliant lock
Pipe (V3) anode is electrically connected with, and IGCT (V2) negative electrode is electrically connected with IGCT (V4) anode, and brilliant
Brake tube all uses breakable transistor.
Preferably, described transformer top is provided with voltmeter.
The method have the benefit that the present invention passes through single-phase full bridge inverter circuit, make switching current decrease half,
It is applicable to some powerful occasions, is simultaneously provided with permutator, when equipment goes wrong, facilitate device
Regular job and maintenance, simple in construction, reasonable in design, practical.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the present invention
Embodiment be used for together explaining the present invention, be not intended that limitation of the present invention.
If Fig. 1 is a kind of Emergency power supply unit overall structure figure based on inversion transformation technique of the present invention;
As Fig. 2 be the present invention be inverter internal circuit diagram;
Wherein, 1-power distribution cabinet, 2-surge suppressor, 3-wave filter, 4-permutator, 5-is whole
Stream device, 6-inverter, 7-static switch, 8-transformator, 9-low pass filter, 10-output loading,
11-power supply group, 12-voltmeter.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the present invention, being not intended to limit the present invention.
Embodiment
As Figure 1-Figure 2, a kind of Emergency power supply unit based on inversion transformation technique, including power distribution cabinet 1, described
Power distribution cabinet 1 side is electrically connected with surge suppressor 2, and described surge suppressor 2 side is electrically connected with
Wave filter 3, described wave filter 3 side connects permutator 4, and described wave filter 3 opposite side is electrically connected with whole
Stream device 5, described commutator 5 side is electrically connected with inverter 6, and described inverter 6 side is electrically connected with static state
Switch 7, described static switch 7 the most successively with transformator 8, low pass filter 9, output loading 10
Being electrically connected with, described permutator 4 side connects described static switch 7, electrically connects bottom described commutator 5
Connect power supply group 11.
Specifically, described inverter 6 inverter circuit is active inversion, and described inverter 6 circuit structure uses
Single-phase bridge PWM structure, is applicable to the occasion that some power are bigger.
Specifically, described inverter 6 inverter circuit is provided with IGCT (V1, V2, V3, V4), described whole
Stream device 5 positive pole is electrically connected with IGCT (V1) anode, IGCT (V2) anode respectively, described commutator
5 negative poles are electrically connected with IGCT (V3) negative electrode, IGCT (V4) negative electrode respectively, and IGCT (V1) is cloudy
Pole is electrically connected with IGCT (V3) anode, and IGCT (V2) negative electrode electrically connects with IGCT (V4) anode
The advantages such as connecing, IGCT all uses breakable transistor, has pressure height, and electric current is big, and withstanding surge is strong,
Use single-phase full bridge formula structure, make switching current decrease half.
More specifically, described transformator 8 top is provided with voltmeter 12, can show current voltage.
The method have the benefit that the present invention passes through single-phase full bridge inverter circuit, make switching current decrease half,
It is applicable to some powerful occasions, is simultaneously provided with permutator, when equipment goes wrong, facilitate device
Regular job and maintenance, simple in construction, reasonable in design, practical.
Being more than the present invention preferably embodiment, those skilled in the art in the invention can also be to above-mentioned reality
The mode of executing changes and revises, and therefore, the invention is not limited in above-mentioned detailed description of the invention, every
Any conspicuously improved, replacement or modification that skilled person is made on the basis of the present invention belong to
Protection scope of the present invention.
Claims (4)
1. an Emergency power supply unit based on inversion transformation technique, including power distribution cabinet (1), it is characterised in that institute
State power distribution cabinet (1) side and be electrically connected with surge suppressor (2), described surge suppressor (2)
Side is electrically connected with wave filter (3), and described wave filter (3) side connects permutator (4), described wave filter
(3) opposite side is electrically connected with commutator (5), and described commutator (5) side is electrically connected with inverter (6),
Described inverter (6) side is electrically connected with static switch (7), and described static switch (7) is the most successively
It is electrically connected with transformator (8), low pass filter (9), output loading (10), described permutator (4)
Side connects described static switch (7), and described commutator (5) bottom is electrically connected with power supply group (11).
2. according to Emergency power supply unit based on inversion transformation technique a kind of described in claims 1, it is characterised in that:
Described inverter (6) inverter circuit is active inversion, and described inverter (6) circuit structure uses single-phase bridge
PWM structure.
3. according to Emergency power supply unit based on inversion transformation technique a kind of described in claims 1, it is characterised in that:
Described inverter (6) inverter circuit is provided with IGCT (V1, V2, V3, V4), and described commutator (5) is just
Pole is electrically connected with IGCT (V1) anode, IGCT (V2) anode respectively, and described commutator (5) is born
Pole respectively with IGCT (V3) negative electrode, IGCT (V4) negative electrode be electrically connected with, IGCT (V1) negative electrode with
IGCT (V3) anode is electrically connected with, and IGCT (V2) negative electrode is electrically connected with IGCT (V4) anode,
IGCT (V1, V2, V3, V4) uses breakable transistor.
4. according to Emergency power supply unit based on inversion transformation technique a kind of described in claims 1, it is characterised in that:
Described transformator (8) top is provided with voltmeter (12).
Priority Applications (1)
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CN201610261534.9A CN105896710A (en) | 2016-04-18 | 2016-04-18 | Emergency power supply device based on inverter technology |
Applications Claiming Priority (1)
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CN201610261534.9A CN105896710A (en) | 2016-04-18 | 2016-04-18 | Emergency power supply device based on inverter technology |
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CN201610261534.9A Pending CN105896710A (en) | 2016-04-18 | 2016-04-18 | Emergency power supply device based on inverter technology |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201341032Y (en) * | 2008-12-26 | 2009-11-04 | 北京日佳电源有限公司 | Online type emergency power source |
CN202042943U (en) * | 2011-05-19 | 2011-11-16 | 重庆汇韬电气有限公司 | Uninterruptible power supply (UPS) alternating current dual input device |
CN203261028U (en) * | 2013-04-17 | 2013-10-30 | 河北旭辉电气股份有限公司 | Arc suppression coil device based on active inverter |
CN203967819U (en) * | 2014-06-13 | 2014-11-26 | 滁州继保电气科技有限公司 | A kind of accident lighting system |
US20140368043A1 (en) * | 2013-06-14 | 2014-12-18 | General Electric Company | Systems and methods for grid interactive ups |
CN204089584U (en) * | 2014-10-09 | 2015-01-07 | 大连宝士达电源股份有限公司 | A kind of intelligent UPS |
CN104821652A (en) * | 2015-04-17 | 2015-08-05 | 青岛艾迪森科技有限公司 | Industrial power supply ups system |
-
2016
- 2016-04-18 CN CN201610261534.9A patent/CN105896710A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201341032Y (en) * | 2008-12-26 | 2009-11-04 | 北京日佳电源有限公司 | Online type emergency power source |
CN202042943U (en) * | 2011-05-19 | 2011-11-16 | 重庆汇韬电气有限公司 | Uninterruptible power supply (UPS) alternating current dual input device |
CN203261028U (en) * | 2013-04-17 | 2013-10-30 | 河北旭辉电气股份有限公司 | Arc suppression coil device based on active inverter |
US20140368043A1 (en) * | 2013-06-14 | 2014-12-18 | General Electric Company | Systems and methods for grid interactive ups |
CN203967819U (en) * | 2014-06-13 | 2014-11-26 | 滁州继保电气科技有限公司 | A kind of accident lighting system |
CN204089584U (en) * | 2014-10-09 | 2015-01-07 | 大连宝士达电源股份有限公司 | A kind of intelligent UPS |
CN104821652A (en) * | 2015-04-17 | 2015-08-05 | 青岛艾迪森科技有限公司 | Industrial power supply ups system |
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Application publication date: 20160824 |