公开(公告)号：US09906119B2

公开(公告)日：2018-02-27

申请号：US14971956

申请日：2015-12-16

Applicant: Industrial Technology Research Institute

Inventor： Wan-Pei Chen ,  Yoshihiro Konishi ,  Shu-Syuan Huang ,  Zong-Zhen Yang

IPC: H02M1/14 ,  H02M7/797 ,  H02M1/15 ,  H02M7/5387 ,  H02M1/00

CPC classification number: H02M1/14 ,  H02M1/15 ,  H02M7/5387 ,  H02M7/797 ,  H02M2001/007

Abstract: A ripple-compensation control method and electrical energy conversion device utilizing the same are provided. The ripple-compensation control method is disclosed, adopted by an electrical energy conversion device including a converter configured to perform electrical energy conversion, a controller coupled to control terminals of the converter and controlling a first voltage of a DC node of the converter according to a command value, and a ripple-compensation unit configured to generate a ripple-component voltage of the first voltage and provide the command value generated based on the ripple-component voltage to the controller.

公开(公告)号：US20190131884A1

公开(公告)日：2019-05-02

申请号：US16166373

申请日：2018-10-22

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Meng-Yi Lin ,  Yoshihiro Konishi ,  Zong-Zhen Yang

IPC: H02M7/217 ,  H02M7/162 ,  H02M7/219

Abstract: A voltage balance control method applicable to a three-phase DC-AC inverter is provided, the voltage balance control method including: multiplying, by a first multiplier, an actual value of a line capacitance voltage by a sine function to generate a first voltage; capturing, by a first filter, a DC part of the first voltage to generate an error DC component; subtracting, by a first subtractor, the error DC component from a target voltage amplitude to generate a second voltage; adjusting, by a first proportional-integral controller, the second voltage to generate an amplitude error compensation value; and adding, by an adder, the amplitude error compensation value with the target voltage amplitude to generate an amplitude reference value. A voltage balance control device applicable to a three-phase DC-AC inverter is also provided.

公开(公告)号：US20180054139A1

公开(公告)日：2018-02-22

申请号：US15354528

申请日：2016-11-17

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shu-Syuan Huang ,  Yoshihiro Konishi ,  Zong-Zhen Yang ,  Min-Ju Hsieh

IPC: H02M7/5387 ,  G01R19/00 ,  G01R19/25 ,  H02M1/14

CPC classification number: H02M7/53871 ,  G01R19/003 ,  G01R19/2509 ,  H02M1/14 ,  H02M2001/0009

Abstract: A sensorless measurement device for filter capacitor current by using a state observer is provided. The sensorless measurement device comprises a chip, wherein the chip comprises the state observer. The state observer is configured to retrieve a filter-capacitor-voltage actual value and a direct current link (dc-link) voltage of a present sampling time. According to the filter-capacitor-voltage actual value and the dc-link voltage, the state observer is configured to output a filter-capacitor-voltage state variable value, a filter-capacitor-current state variable value, and a disturbance-voltage state variable value of a next sampling time. The filter-capacitor-current state variable value is an average current value without ripples.

公开(公告)号：US10103647B2

公开(公告)日：2018-10-16

申请号：US15354528

申请日：2016-11-17

Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE

Inventor： Shu-Syuan Huang ,  Yoshihiro Konishi ,  Zong-Zhen Yang ,  Min-Ju Hsieh

IPC: H03K3/017 ,  H03K5/04 ,  H03K7/08 ,  H02M7/5387 ,  G01R19/00 ,  G01R19/25 ,  H02M1/14 ,  H02M1/00

Abstract: A sensorless measurement device for filter capacitor current by using a state observer is provided. The sensorless measurement device comprises a chip, wherein the chip comprises the state observer. The state observer is configured to retrieve a filter-capacitor-voltage actual value and a direct current link (dc-link) voltage of a present sampling time. According to the filter-capacitor-voltage actual value and the dc-link voltage, the state observer is configured to output a filter-capacitor-voltage state variable value, a filter-capacitor-current state variable value, and a disturbance-voltage state variable value of a next sampling time. The filter-capacitor-current state variable value is an average current value without ripples.

公开(公告)号：US20170093273A1

公开(公告)日：2017-03-30

申请号：US14971956

申请日：2015-12-16

Applicant: Industrial Technology Research Institute

Inventor： Wan-Pei Chen ,  Yoshihiro Konishi ,  Shu-Syuan Huang ,  Zong-Zhen Yang

IPC: H02M1/14 ,  H02M7/797

CPC classification number: H02M1/14 ,  H02M1/15 ,  H02M7/5387 ,  H02M7/797 ,  H02M2001/007

Abstract: A ripple-compensation control method and electrical energy conversion device utilizing the same are provided. The ripple-compensation control method is disclosed, adopted by an electrical energy conversion device including a converter configured to perform electrical energy conversion, a controller coupled to control terminals of the converter and controlling a first voltage of a DC node of the converter according to a command value, and a ripple-compensation unit configured to generate a ripple-component voltage of the first voltage and provide the command value generated based on the ripple-component voltage to the controller.