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 PDF

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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
Authority
CN
China
Prior art keywords
module
output module
low pressure
phase
igbt
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
Application number
CN201610965069.7A
Other languages
Chinese (zh)
Inventor
周柯
蒙恩
王斌
周卫
刘路
金庆忍
楚红波
郭敏
王晓明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Beihai Power Supply Bureau of Guangxi Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Beihai Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Guangxi Power Grid Co Ltd, Beihai Power Supply Bureau of Guangxi Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority to CN201610965069.7A priority Critical patent/CN106655729A/en
Publication of CN106655729A publication Critical patent/CN106655729A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • H02M1/08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088Circuits 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS 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
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48Conversion 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
    • H02M7/53Conversion 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
    • H02M7/537Conversion 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
    • H02M7/5387Conversion 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

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  • 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

A kind of low pressure output module of modularization power distribution network electric power electric transformer
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.
CN201610965069.7A 2016-10-31 2016-10-31 Low voltage output module of modular power distribution network electric power electron transformer Pending CN106655729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201610965069.7A CN106655729A (en) 2016-10-31 2016-10-31 Low voltage output module of modular power distribution network electric power electron transformer

Publications (1)

Publication Number Publication Date
CN106655729A true CN106655729A (en) 2017-05-10

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Family Applications (1)

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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

Country Status (1)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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