CN106655729A - Low voltage output module of modular power distribution network electric power electron transformer - Google Patents
Low voltage output module of modular power distribution network electric power electron transformer Download PDFInfo
- Publication number
- CN106655729A CN106655729A CN201610965069.7A CN201610965069A CN106655729A CN 106655729 A CN106655729 A CN 106655729A CN 201610965069 A CN201610965069 A CN 201610965069A CN 106655729 A CN106655729 A CN 106655729A
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- China
- Prior art keywords
- module
- output module
- low pressure
- phase
- igbt
- Prior art date
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- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
-
- 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
- H02M1/00—Details of apparatus for conversion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a low voltage output module of a modular power distribution network power electronic transformer and belongs to the distribution field. The low voltage module mainly comprises a capacitor, a switch, a three-phase four-leg unit, a first current transformer set, a second current transformer set, an LC filter set, a voltage transformer set, a breaker, a driving board set, a control board, a temperature/humidity monitoring module and a heat radiator. The low voltage module is advantaged in that the quantity of wiring ends of the whole module is small, and the low voltage module is convenient to dismount and combine.
Description
Technical field
The invention belongs to electrical equipment technical field, more particularly to a kind of modularization power distribution network electric power electric transformer it is low
Pressure output module.
Background technology
Electric power electric transformer is progressively grow up recently as the development of high-power electric and electronic technology new
Type power transformer, it may be used also on the basis of realizing traditional power transformer transformation, isolation and transmitting the basic functions such as energy
To realize Fault Isolation, utility power quality control, distributed DC power access etc..
Electric power electric transformer adopts modularized design, and its power cell can backup each other, and parallel units can be controlled independently
System, individually maintenance, thus it is greatly improved the reliability of work.In order to realize the modularized design scheme of optimum, design is a kind of
The low pressure output module of the electric power electric transformer for being easily installed, overhaul and changing has become the task of top priority.
The content of the invention
To solve the above problems, the invention provides a kind of low pressure output mould of modularization power distribution network electric power electric transformer
Block.
The present invention solves its technical problem and takes technical scheme below to realize:
A kind of low pressure output module of modularization power distribution network electric power electric transformer, including:Capacitor(1), three-phase four-arm list
Unit(3), LC wave filter groups(5), it is characterised in that:
The capacitor(1)One end by switch(2)It is connected in parallel on the three-phase four-arm unit(3)Input, for will
The electric current of input is filtered process;
The three-phase four-arm unit(3)Output line pass through the first current transformer group(4)Centre bore and the LC wave filters
Group(5)Input connects;
The LC wave filter groups(5)Output line passes through the second current transformer group(12)Centre bore and voltage transformer group
(6)Armature winding and breaker(7)Connection;
The first current transformer group(4), the second current transformer group(12)And voltage transformer group(6)Output end point
Not and control panel(9)Connection, for the electric current and voltage signal in circuit to be fed back into the control panel(9);
The control panel(9)With driving plate group(8)Connection.
Preferably, the three-phase four-arm unit(3)Switching device adopt discrete IGBT modules, each IGBT mould
Block is integrated with two parallel IGBTs and two parallel diodes, for realizing High-current output.
Preferably, described IGBT modules, each IGBT module has supporting drive module, it is possible to achieve to each
The independent control of IGBT modules.
Preferably, the control panel(9)With the temperature/humidity monitoring module(10)With the radiator(11)Connect respectively
Connect, for realizing monitoring temperature and humidity and air discharging and radiating function.
Further, it is described to state temperature/humidity monitoring module(10)With the radiator(11)It is separately mounted to switch board
Lower section.
Using three-phase four-arm cellular construction, switching device is integrated with two with discrete IGBT modules, each IGBT module
Individual parallel IGBT and two parallel diodes, for realizing High-current output;Each IGBT module has supporting driving mould
Block, it is possible to achieve the independent control to each IGBT module, is filtered, it is ensured that outputting high quality using LC wave filters
Electric energy;Whole module only has a small amount of terminals, is easy to dismount and carry out block combiner.
Description of the drawings
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Reality of the invention generally described and illustrated in accompanying drawing herein
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected enforcement of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation of the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing, following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
As shown in figure 1, a kind of low pressure output module of modularization power distribution network electric power electric transformer, including:Capacitor 1,
Three-phase four-arm unit 3, LC wave filter groups 5, one end of capacitor 1 is connected in parallel on the input of three-phase four-arm unit 3 by switch 2
End, the output line of three-phase four-arm unit 3 is connected through the centre bore of the first current transformer group 4 with the input of LC wave filter groups 5,
Armature winding and open circuit of the output line of LC wave filter groups 5 through the centre bore of the second current transformer group 12 with voltage transformer group 6
Device 7 connects;The output end of the first current transformer group 4, the second current transformer group 12 and voltage transformer group 6 respectively with control
Making sheet 9 connects, for the electric current and voltage signal in circuit to be fed back into the control panel 9;Control panel 9 connects with driving plate group 8
Connect;Control panel 9 is connected respectively with temperature/humidity monitoring module 10 and radiator 11, installed in the lower section of switch board, for realizing
Monitoring temperature and humidity and air discharging and radiating function.
The IGBT of model FZ1200R17KE3 that three-phase four-arm unit 3 is produced from company of Infineon, rated voltage
1700V, rated current 1200A, each IGBT module is integrated with two parallel IGBTs and two parallel diodes, for reality
Existing High-current output, each IGBT module has supporting drive module, can realize the independent control to each IGBT module;It is defeated
Go out and be filtered using LC wave filters, it is ensured that outputting high quality electric energy.Control panel 9 includes that DSP, sample circuit, failure are protected
Protection circuit, power module, communication module, by gathering output voltage, electric current, during AD chips are transported to after modulate circuit
Carry out sending into DSP chips after analog/digital conversion, then modulate 8 road pwm signals through computing and give 8 drive modules,
Final output drives 8 IGBT to complete three-phase inversion.Temperature/humidity monitoring module 10 is arranged on module bottom, for monitoring
Temperature and humidity, radiator 11 is arranged on module bottom, for air discharging and radiating, module is maintained in operating temperature range.
Whole module only has a small amount of terminals, is easy to dismount and carry out block combiner.
Claims (5)
1. a kind of low pressure output module of modularization power distribution network electric power electric transformer, including:Capacitor(1), three-phase four-arm
Unit(3), LC wave filter groups(5), it is characterised in that:
The capacitor(1)One end by switch(2)It is connected in parallel on the three-phase four-arm unit(3)Input, for will
The electric current of input is filtered process;
The three-phase four-arm unit(3)Output line pass through the first current transformer group(4)Centre bore and the LC wave filters
Group(5)Input connects;
The LC wave filter groups(5)Output line passes through the second current transformer group(12)Centre bore and voltage transformer group
(6)Armature winding and breaker(7)Connection;
The first current transformer group(4), the second current transformer group(12)And voltage transformer group(6)Output end point
Not and control panel(9)Connection, for the electric current and voltage signal in circuit to be fed back into the control panel(9);
The control panel(9)With driving plate group(8)Connection.
2. low pressure output module according to claim 1, it is characterised in that:The three-phase four-arm unit(3)Switch
Device adopts discrete IGBT modules, each IGBT module to be integrated with two parallel IGBTs and two parallel diodes, be used for
Realize High-current output.
3. low pressure output module according to claim 2, it is characterised in that:Described IGBT modules, each IGBT mould
Block has supporting drive module, it is possible to achieve the independent control to each IGBT module.
4. low pressure output module according to claim 1, it is characterised in that:The control panel(9)With the temperature/humidity
Monitoring module(10)With the radiator(11)Connect respectively, for realizing monitoring temperature and humidity and air discharging and radiating function.
5. the low pressure output module according to claim 1 or 4, it is characterised in that:Described states temperature/humidity monitoring module
(10)With the radiator(11)It is separately mounted to the lower section of switch board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610965069.7A CN106655729A (en) | 2016-10-31 | 2016-10-31 | Low voltage output module of modular power distribution network electric power electron transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610965069.7A CN106655729A (en) | 2016-10-31 | 2016-10-31 | Low voltage output module of modular power distribution network electric power electron transformer |
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Publication Number | Publication Date |
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CN106655729A true CN106655729A (en) | 2017-05-10 |
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CN201610965069.7A Pending CN106655729A (en) | 2016-10-31 | 2016-10-31 | Low voltage output module of modular power distribution network electric power electron transformer |
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Citations (10)
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---|---|---|---|---|
CN101771359A (en) * | 2010-02-09 | 2010-07-07 | 中国石油大学(华东) | Three-phase voltage type PWM converter capable of reducing output common-mode voltage and modulation method thereof |
CN101877548A (en) * | 2009-04-28 | 2010-11-03 | 新疆新能源股份有限公司 | Three-phase four-leg inverter used for photovoltaic grid-connected power generation and photovoltaic grid-connected power generation system |
CN201887672U (en) * | 2010-12-24 | 2011-06-29 | 东南大学 | High-power power electronic transformer based on fault-tolerant design |
CN201910746U (en) * | 2011-01-04 | 2011-07-27 | 西华大学 | Three-phase four-leg inverter device |
CN201966811U (en) * | 2010-12-24 | 2011-09-07 | 东南大学 | Buck power electronics transformer used for network distribution |
CN102570889A (en) * | 2011-01-04 | 2012-07-11 | 西华大学 | Three-phase four-bridge arm inverter and control method |
CN203056984U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Three-level variable frequency speed regulation power supply used for ship |
CN204068282U (en) * | 2013-11-23 | 2014-12-31 | 信元瑞电气有限公司 | Active filter |
CN204145281U (en) * | 2014-10-22 | 2015-02-04 | 国家电网公司 | The Modular electrical flow disturbance circuit for generating of the many level of a kind of unique H full-bridge |
CN104967344A (en) * | 2015-06-10 | 2015-10-07 | 中国电力工程顾问集团华东电力设计院有限公司 | Step-down grid-connected photovoltaic inverter and startup method thereof |
-
2016
- 2016-10-31 CN CN201610965069.7A patent/CN106655729A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101877548A (en) * | 2009-04-28 | 2010-11-03 | 新疆新能源股份有限公司 | Three-phase four-leg inverter used for photovoltaic grid-connected power generation and photovoltaic grid-connected power generation system |
CN101771359A (en) * | 2010-02-09 | 2010-07-07 | 中国石油大学(华东) | Three-phase voltage type PWM converter capable of reducing output common-mode voltage and modulation method thereof |
CN201887672U (en) * | 2010-12-24 | 2011-06-29 | 东南大学 | High-power power electronic transformer based on fault-tolerant design |
CN201966811U (en) * | 2010-12-24 | 2011-09-07 | 东南大学 | Buck power electronics transformer used for network distribution |
CN201910746U (en) * | 2011-01-04 | 2011-07-27 | 西华大学 | Three-phase four-leg inverter device |
CN102570889A (en) * | 2011-01-04 | 2012-07-11 | 西华大学 | Three-phase four-bridge arm inverter and control method |
CN203056984U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Three-level variable frequency speed regulation power supply used for ship |
CN204068282U (en) * | 2013-11-23 | 2014-12-31 | 信元瑞电气有限公司 | Active filter |
CN204145281U (en) * | 2014-10-22 | 2015-02-04 | 国家电网公司 | The Modular electrical flow disturbance circuit for generating of the many level of a kind of unique H full-bridge |
CN104967344A (en) * | 2015-06-10 | 2015-10-07 | 中国电力工程顾问集团华东电力设计院有限公司 | Step-down grid-connected photovoltaic inverter and startup method thereof |
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Application publication date: 20170510 |