JP6811904B1 - ノイズ低減装置 - Google Patents

ノイズ低減装置 Download PDF

Info

Publication number
JP6811904B1
JP6811904B1 JP2020541822A JP2020541822A JP6811904B1 JP 6811904 B1 JP6811904 B1 JP 6811904B1 JP 2020541822 A JP2020541822 A JP 2020541822A JP 2020541822 A JP2020541822 A JP 2020541822A JP 6811904 B1 JP6811904 B1 JP 6811904B1
Authority
JP
Japan
Prior art keywords
compensation signal
frequency component
noise
unit
phase
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.)
Active
Application number
JP2020541822A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021192042A1 (https=
Inventor
忍 長澤
忍 長澤
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of JP6811904B1 publication Critical patent/JP6811904B1/ja
Publication of JPWO2021192042A1 publication Critical patent/JPWO2021192042A1/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/125—Discriminating pulses
    • H03K5/1252—Suppression or limitation of noise or interference
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/02—Arrangements for reducing harmonics or ripples
    • 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
    • H02M1/12—Arrangements for reducing harmonics from AC input or output
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K2005/00286—Phase shifter, i.e. the delay between the output and input pulse is dependent on the frequency, and such that a phase difference is obtained independent of the frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
JP2020541822A 2020-03-24 2020-03-24 ノイズ低減装置 Active JP6811904B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/013042 WO2021192042A1 (ja) 2020-03-24 2020-03-24 ノイズ低減装置

Publications (2)

Publication Number Publication Date
JP6811904B1 true JP6811904B1 (ja) 2021-01-13
JPWO2021192042A1 JPWO2021192042A1 (https=) 2021-09-30

Family

ID=74096343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020541822A Active JP6811904B1 (ja) 2020-03-24 2020-03-24 ノイズ低減装置

Country Status (5)

Country Link
US (1) US11843384B2 (https=)
EP (1) EP4131755B1 (https=)
JP (1) JP6811904B1 (https=)
CN (1) CN115298944A (https=)
WO (1) WO2021192042A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024009489A1 (ja) * 2022-07-08 2024-01-11 三菱電機株式会社 ノイズフィルタ
JP2025500329A (ja) * 2022-04-15 2025-01-09 イーエム コアーテック アクティブ電圧補償装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7288206B2 (ja) * 2021-09-30 2023-06-07 ダイキン工業株式会社 ノイズ低減回路、電力変換装置及び冷凍装置
JP7738675B2 (ja) * 2021-12-08 2025-09-12 三菱電機株式会社 ノイズフィルタ
JP2024053311A (ja) * 2022-10-03 2024-04-15 株式会社東芝 電流注入型アクティブフィルタ及び回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010057268A (ja) * 2008-08-28 2010-03-11 Fuji Electric Systems Co Ltd 伝導性ノイズフィルタ
JP2019080469A (ja) * 2017-10-27 2019-05-23 三菱電機株式会社 ノイズ低減装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6636107B2 (en) * 2000-03-28 2003-10-21 International Rectifier Corporation Active filter for reduction of common mode current
US8265769B2 (en) * 2007-01-31 2012-09-11 Medtronic, Inc. Chopper-stabilized instrumentation amplifier for wireless telemetry
JP2011097186A (ja) * 2009-10-27 2011-05-12 Panasonic Corp 負帰還型歪補償装置及び負帰還型歪補償方法
CN102412724B (zh) * 2011-12-07 2013-11-06 西安启芯微电子有限公司 具有片内频率补偿的电压模dc/dc电路
US20150003124A1 (en) * 2012-01-27 2015-01-01 Mitsubishi Electric Corporation High-frequency current reduction device
CN105099171B (zh) * 2014-05-16 2018-10-26 深圳市中兴微电子技术有限公司 一种补偿网络、开关电源电路及电路补偿方法
US10063130B2 (en) * 2014-09-19 2018-08-28 Intersil Americas LLC Multi-stage amplifier
EP3109987B1 (en) 2015-06-26 2021-04-28 Mitsubishi Electric R&D Centre Europe B.V. Active common mode filter device
JP6180600B1 (ja) * 2016-09-02 2017-08-16 三菱電機株式会社 車載エンジン制御装置
US10374510B2 (en) * 2017-04-07 2019-08-06 Texas Instruments Incorporated Compensated active electro-magnetic interference filters

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010057268A (ja) * 2008-08-28 2010-03-11 Fuji Electric Systems Co Ltd 伝導性ノイズフィルタ
JP2019080469A (ja) * 2017-10-27 2019-05-23 三菱電機株式会社 ノイズ低減装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2025500329A (ja) * 2022-04-15 2025-01-09 イーエム コアーテック アクティブ電圧補償装置
WO2024009489A1 (ja) * 2022-07-08 2024-01-11 三菱電機株式会社 ノイズフィルタ
JPWO2024009489A1 (https=) * 2022-07-08 2024-01-11
JP7693115B2 (ja) 2022-07-08 2025-06-16 三菱電機株式会社 ノイズフィルタ

Also Published As

Publication number Publication date
CN115298944A (zh) 2022-11-04
WO2021192042A1 (ja) 2021-09-30
EP4131755A1 (en) 2023-02-08
US20220376684A1 (en) 2022-11-24
EP4131755A4 (en) 2023-05-24
EP4131755B1 (en) 2024-07-17
JPWO2021192042A1 (https=) 2021-09-30
US11843384B2 (en) 2023-12-12

Similar Documents

Publication Publication Date Title
JP6811904B1 (ja) ノイズ低減装置
JP6491349B2 (ja) 電力変換装置
Takahashi et al. Common-mode voltage attenuation of an active common-mode filter in a motor drive system fed by a PWM inverter
JP3428588B2 (ja) コモンモード電流を低減するための能動フィルタ
Wang et al. Investigation of hybrid EMI filters for common-mode EMI suppression in a motor drive system
Di Piazza et al. An improved active common-mode voltage compensation device for induction motor drives
US9722484B2 (en) Noise filtering
JP2005532027A (ja) 能動ｅｍｉフィルタ
Chen et al. A novel filter topology with active motor CM impedance regulator in PWM ASD system
US9231464B2 (en) Method for reducing the common mode current
JPH1094244A (ja) アクティブコモンモードキャンセラ
JP6803478B1 (ja) 電力変換装置
CN102984630A (zh) 用于音频放大系统中减少失真的系统和方法
US9929664B2 (en) Prevention of switching discontinuity in a hybrid switched mode amplifier
Chang et al. Research and realization of a novel active common-mode EMI filter
US20150326180A1 (en) Control of cross-over point
JP5810765B2 (ja) ノイズ低減装置およびこれを備えた電力変換装置
US20230163681A1 (en) Electromagnetic interference suppression circuit
US20150365059A1 (en) Class-d amplifier and electronic apparatus
US10483927B2 (en) Amplifier error current based on multiple integrators
JP2009296856A (ja) 電力変換装置のノイズ低減装置
CN104620499B (zh) 具有误差校正的开关式电源的干扰抑制
KR102526738B1 (ko) 보상 회로를 포함하는 증폭 디바이스
JPH0661753A (ja) 高効率化低障害電力増幅器
Gunaratnam Design and simulation of class D amplifier using “ON Semiconductor's” power sense 5 processes

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20200730

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20200730

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20200902

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20200915

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20201030

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20201117

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20201215

R150 Certificate of patent or registration of utility model

Ref document number: 6811904

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250