JP2016187284A5 - - Google Patents

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JP2016187284A5
JP2016187284A5 JP2015067372A JP2015067372A JP2016187284A5 JP 2016187284 A5 JP2016187284 A5 JP 2016187284A5 JP 2015067372 A JP2015067372 A JP 2015067372A JP 2015067372 A JP2015067372 A JP 2015067372A JP 2016187284 A5 JP2016187284 A5 JP 2016187284A5
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Japan
Prior art keywords
link
power supply
converter
inverter
power
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JP2015067372A
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Japanese (ja)
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JP6671853B2 (en
JP2016187284A (en
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Publication of JP2016187284A5 publication Critical patent/JP2016187284A5/ja
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Claims (5)

発電機と、  A generator,
前記発電機の出力を直流電圧に変換するインバータと、  An inverter that converts the output of the generator into a DC voltage;
前記インバータに接続されたＤＣリンクと、  A DC link connected to the inverter;
前記ＤＣリンクに接続され、蓄電デバイスを制御するコンバータと、  A converter connected to the DC link and controlling an electricity storage device;
前記ＤＣリンクに接続された平滑コンデンサと、  A smoothing capacitor connected to the DC link;
前記ＤＣリンクに接続可能な、直列接続された放電抵抗及び放電スイッチと、  A series connected discharge resistor and discharge switch connectable to the DC link;
前記発電機、前記インバータ、前記コンバータの少なくともいずれが停止することを条件として、前記ＤＣリンクの電圧に基づいて前記放電スイッチを制御するコントローラと、  A controller for controlling the discharge switch based on the voltage of the DC link on condition that at least any of the generator, the inverter, and the converter is stopped;
を備えることを特徴とする産業機械。  An industrial machine characterized by comprising: 前記インバータ、前記コンバータのいずれも停止し、前記インバータ、前記コンバータから前記ＤＣリンクに電力が供給されない状態の前記ＤＣリンクの電圧に基づいて前記放電スイッチを制御することを特徴とする請求項１に記載の産業機械。  2. The discharge switch is controlled based on a voltage of the DC link in a state in which neither the inverter nor the converter is stopped and power is supplied from the inverter or the converter to the DC link. The industrial machine described. モータ、インバータおよび蓄電デバイスを備える産業機械に使用される電力変換装置であって、
ＤＣリンクバスと、
前記ＤＣリンクバスに接続される平滑コンデンサと、
その昇圧側端子が前記ＤＣリンクバスと接続され、その降圧側端子が前記蓄電デバイスと接続され、リアクトルおよびスイッチング素子を含む第１昇降圧コンバータと、
前記平滑コンデンサと並列な経路に、直列に設けられる放電抵抗および放電スイッチと、
前記ＤＣリンクバスに発生するＤＣリンク電圧を受け、第１電源電圧を生成する内部制御電源と、
前記内部制御電源からの前記第１電源電圧が供給され、前記放電スイッチを制御する放電コントローラと、
を備えることを特徴とする電力変換装置。 A power conversion device used in an industrial machine including a motor, an inverter, and a power storage device,
DC link bus,
A smoothing capacitor connected to the DC link bus;
A first step-up / step-down converter having a step-up side terminal connected to the DC link bus, a step-down side terminal connected to the power storage device, and including a reactor and a switching element;
A discharge resistor and a discharge switch provided in series in a path parallel to the smoothing capacitor;
An internal control power supply for receiving a DC link voltage generated in the DC link bus and generating a first power supply voltage;
A discharge controller that is supplied with the first power supply voltage from the internal control power supply and controls the discharge switch;
A power conversion device comprising: 外部から電源供給され、第２電源電圧を生成する外部制御電源をさらに備え、
前記放電コントローラは、前記第１電源電圧、前記第２電源電圧の一方を受けて動作可能であることを特徴とする請求項３に記載の電力変換装置。 An external control power source that is externally powered and generates a second power supply voltage;
The power converter according to claim 3 , wherein the discharge controller is operable by receiving one of the first power supply voltage and the second power supply voltage. 前記放電コントローラは、前記第１昇降圧コンバータの停止状態において前記モータが回生運転するときに、前記放電スイッチをオンすることを特徴とする請求項３または４に記載の電力変換装置。 5. The power converter according to claim 3 , wherein the discharge controller turns on the discharge switch when the motor performs a regenerative operation in a stopped state of the first step-up / down converter.
JP2015067372A 2015-03-27 2015-03-27 Power conversion device and industrial machine using the same Active JP6671853B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015067372A JP6671853B2 (en) 2015-03-27 2015-03-27 Power conversion device and industrial machine using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015067372A JP6671853B2 (en) 2015-03-27 2015-03-27 Power conversion device and industrial machine using the same

Publications (3)

Publication Number Publication Date
JP2016187284A JP2016187284A (en) 2016-10-27
JP2016187284A5 true JP2016187284A5 (en) 2018-05-10
JP6671853B2 JP6671853B2 (en) 2020-03-25

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Family Applications (1)

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JP2015067372A Active JP6671853B2 (en) 2015-03-27 2015-03-27 Power conversion device and industrial machine using the same

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JP (1) JP6671853B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873764B1 (en) 2016-12-15 2018-07-03 엘지전자 주식회사 Power transforming apparatus and air conditioner including the same
KR102080516B1 (en) * 2017-12-05 2020-02-24 엘지전자 주식회사 Motor driving device and air conditioner including the same
WO2020241659A1 (en) * 2019-05-28 2020-12-03 住友重機械工業株式会社 Converter device and industrial machine
WO2022190731A1 (en) * 2021-03-08 2022-09-15 住友重機械工業株式会社 Power supply device and power supply method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07245964A (en) * 1994-02-28 1995-09-19 Toshiba Corp Inverter device
JP4126510B2 (en) * 1998-03-09 2008-07-30 株式会社安川電機 Inverter braking circuit
JP2004289950A (en) * 2003-03-24 2004-10-14 Toshiba Elevator Co Ltd Power supply system
JP5623994B2 (en) * 2011-07-29 2014-11-12 日立オートモティブシステムズ株式会社 Power converter
CN103702858B (en) * 2011-09-21 2015-05-06 丰田自动车株式会社 Electric vehicle
JP5648000B2 (en) * 2012-01-05 2015-01-07 日立オートモティブシステムズ株式会社 Power converter
JP6339785B2 (en) * 2013-10-04 2018-06-06 三星エスディアイ株式会社ＳＡＭＳＵＮＧ ＳＤＩ Ｃｏ．， ＬＴＤ． Electric vehicle power conversion system

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