JP6487074B2 - インバータの出力電流検出装置 - Google Patents
インバータの出力電流検出装置 Download PDFInfo
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- JP6487074B2 JP6487074B2 JP2018003553A JP2018003553A JP6487074B2 JP 6487074 B2 JP6487074 B2 JP 6487074B2 JP 2018003553 A JP2018003553 A JP 2018003553A JP 2018003553 A JP2018003553 A JP 2018003553A JP 6487074 B2 JP6487074 B2 JP 6487074B2
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- effective vector
- control unit
- current
- time
- inverter
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/146—Measuring arrangements for current not covered by other subgroups of G01R15/14, e.g. using current dividers, shunts, or measuring a voltage drop
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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
- H02M7/53875—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 analogue control of three-phase output
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
- G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/30—Measuring the maximum or the minimum value of current or voltage reached in a time interval
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M7/505—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 thyratron or thyristor type requiring extinguishing means
- H02M7/515—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only
- H02M7/525—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
- H02M7/527—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
- H02M7/529—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 thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation using digital control
-
- 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
- H02M7/53875—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 analogue control of three-phase output
- H02M7/53876—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 analogue control of three-phase output based on synthesising a desired voltage vector via the selection of appropriate fundamental voltage vectors, and corresponding dwelling times
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inverter Devices (AREA)
Description
本発明の一実施形態において、前記制御部は、前記有効ベクトルの長さを前記有効ベクトルによる電流が安定化する時間より大きい値に変調することができる。
120:検出部
130:制御部
140:制御電源供給部
150:貯蔵部
160:表示部
210:整流部
220:インバータ部
300:3相交流電源
400:電力系統
Claims (4)
- 直流リンクのキャパシタ出力端に連結されたシャント抵抗;
前記シャント抵抗に連結されて出力電流を検出する検出部;及び
前記検出部の電流サンプリング時点を調節する制御部;を含むものの、
前記制御部は、スイッチング電圧に関する有効ベクトルの長さを既設定値と比較して、前記有効ベクトルの長さを変調し、
前記制御部は、前記有効ベクトルの中間値を基準として、設定時間だけ遅延した時点で前記電流をサンプリングする、インバータの出力電流検出装置。 - 前記シャント抵抗は、低電位側に連結されたことを特徴とする、請求項1に記載のインバータの出力電流検出装置。
- 前記制御部は、前記有効ベクトルの長さを、前記有効ベクトルによる電流が安定化する時間より大きい値に変調することを特徴とする、請求項1または請求項2に記載のインバータの出力電流検出装置。
- 前記制御部は、前記遅延した時点を、前記有効ベクトルによる電流が安定化する時間の半分より大きい値に決定することを特徴とする、請求項1に記載のインバータの出力電流検出装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170035041A KR101922998B1 (ko) | 2017-03-21 | 2017-03-21 | 인버터의 출력전류 검출 장치 |
KR10-2017-0035041 | 2017-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018161042A JP2018161042A (ja) | 2018-10-11 |
JP6487074B2 true JP6487074B2 (ja) | 2019-03-20 |
Family
ID=60935738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018003553A Expired - Fee Related JP6487074B2 (ja) | 2017-03-21 | 2018-01-12 | インバータの出力電流検出装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10175274B2 (ja) |
EP (1) | EP3379715A1 (ja) |
JP (1) | JP6487074B2 (ja) |
KR (1) | KR101922998B1 (ja) |
CN (1) | CN108627684B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017207624A1 (en) * | 2016-05-31 | 2017-12-07 | Inventio Ag | Elevator drive control during power disruption |
US10418912B2 (en) | 2017-12-21 | 2019-09-17 | Silanna Asia Pte Ltd | Power converter with active clamp |
US10461626B1 (en) | 2019-01-14 | 2019-10-29 | Silanna Asia Pte Ltd | Active clamp circuit |
CN110445407B (zh) * | 2019-08-19 | 2021-02-12 | 电子科技大学 | 一种用于启动发电一体机的整流电路 |
KR102181652B1 (ko) * | 2019-10-10 | 2020-11-23 | 엘지전자 주식회사 | 모터 제어 장치 및 이의 모터 제어 방법 |
KR102281633B1 (ko) * | 2019-12-03 | 2021-07-23 | 엘에스일렉트릭(주) | 인버터 제어장치 및 방법 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3951516B2 (ja) | 1999-09-14 | 2007-08-01 | 株式会社明電舎 | インバータ |
KR100678748B1 (ko) | 2001-09-29 | 2007-02-02 | 다이킨 고교 가부시키가이샤 | 인버터제어방법 및 장치 |
JP2004064903A (ja) * | 2002-07-30 | 2004-02-26 | Hitachi Ltd | 同期モータの制御装置およびこれを用いた機器 |
US6984953B2 (en) * | 2003-01-20 | 2006-01-10 | International Rectifier Corporation | Method and apparatus for reconstructing motor current from DC bus current |
KR20070072088A (ko) * | 2005-12-30 | 2007-07-04 | 엘지전자 주식회사 | 인버터 제어장치 및 그 방법 |
JP4759422B2 (ja) * | 2006-03-27 | 2011-08-31 | 日立アプライアンス株式会社 | 電力変換器システム、および、それを利用した洗濯機 |
FI118583B (fi) * | 2006-06-01 | 2007-12-31 | Vacon Oyj | Taajuusmuuttajan virran mittaus |
KR20080060847A (ko) | 2006-12-27 | 2008-07-02 | 삼성전자주식회사 | 인버터 회로의 상전류 검출방법 |
JP5314989B2 (ja) * | 2008-10-02 | 2013-10-16 | 本田技研工業株式会社 | 電動機の相電流推定装置 |
JP5325561B2 (ja) | 2008-12-22 | 2013-10-23 | 株式会社日立製作所 | 三相交流モータの制御装置、及びその制御方法 |
JP5292363B2 (ja) * | 2010-06-30 | 2013-09-18 | 株式会社日立製作所 | 交流電動機の制御装置及び制御方法 |
EP2574947A1 (en) | 2011-09-30 | 2013-04-03 | ABB Technology AG | A method of determining stationary signals for the diagnostics of an electromechanical system |
KR101261793B1 (ko) * | 2012-02-06 | 2013-05-07 | 엘에스산전 주식회사 | 인버터의 상전류 검출 제어장치 |
JP5839011B2 (ja) * | 2013-09-18 | 2016-01-06 | 株式会社デンソー | 電力変換装置、および、これを用いた電動パワーステアリング装置 |
JP5892394B2 (ja) * | 2014-01-28 | 2016-03-23 | 株式会社デンソー | 電力変換装置、および、これを用いた電動パワーステアリング装置 |
US9584043B2 (en) * | 2015-02-28 | 2017-02-28 | Rockwell Automation Technologies, Inc. | Inverter phase current reconstruction apparatus and methods |
KR101993195B1 (ko) * | 2015-04-09 | 2019-06-26 | 엘에스산전 주식회사 | 인버터의 지락 검출 방법 |
JP6341165B2 (ja) | 2015-09-01 | 2018-06-13 | 株式会社安川電機 | 電力変換装置、相電流検出装置および相電流検出方法 |
-
2017
- 2017-03-21 KR KR1020170035041A patent/KR101922998B1/ko active IP Right Grant
-
2018
- 2018-01-05 EP EP18150437.4A patent/EP3379715A1/en not_active Withdrawn
- 2018-01-09 US US15/865,954 patent/US10175274B2/en active Active
- 2018-01-12 JP JP2018003553A patent/JP6487074B2/ja not_active Expired - Fee Related
- 2018-01-17 CN CN201810045008.8A patent/CN108627684B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR20180106545A (ko) | 2018-10-01 |
US10175274B2 (en) | 2019-01-08 |
US20180275175A1 (en) | 2018-09-27 |
CN108627684B (zh) | 2020-10-02 |
EP3379715A1 (en) | 2018-09-26 |
CN108627684A (zh) | 2018-10-09 |
KR101922998B1 (ko) | 2018-11-28 |
JP2018161042A (ja) | 2018-10-11 |
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