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公开(公告)号：EP2174410B1
公开(公告)日：2018-02-21
申请号：EP08787690.0
申请日：2008-07-30
Applicant: Kone Corporation
Inventor： STOLT, Lauri
CPC classification number: H02P3/22 , H02M5/4585 , H02P3/14 , H02P2201/03
Abstract: The invention presents a control arrangement of an electric motor (2) used with a frequency converter (1 ) as well as a method for controlling an electric motor used with a frequency converter. In the invention the frequency converter is fitted between the power source (3) and the electric motor (2). A rectifier (5, 18) that transmits the braking power of the motor is fitted to the intermediate circuit (8, 9) of the frequency converter. In the method according to the invention the intermediate circuit voltage (21) is regulated with a control (11) of the braking power according to the reference value (12) of intermediate circuit voltage.
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172.发明公开
公开(公告)号：EP3264559A1
公开(公告)日：2018-01-03
申请号：EP17178136.2
申请日：2017-06-27
Applicant: General Electric Company
Inventor： SCHNETZKA, Harold Robert , RITTER, Allen Michael , WAGONER, Robert Gregory , JORDY, Daniel E.
CPC classification number: H02P9/102 , F03D9/255 , H02J3/386 , H02J2003/001 , H02K7/183 , H02P9/006 , H02P9/007 , H02P2101/15 , H02P2201/03 , H03K17/166 , H03K17/168 , Y02E10/763
Abstract: Systems (200, 300) and methods (400) for controlling operation of a power converter (162) based on grid conditions are provided. In particular, a first gating voltage can be applied to a switching element (210) of a power converter (162) associated with a wind-driven power generation system. The first gating voltage can be greater than a threshold voltage for the switching element (210). A grid event associated with an electrical grid coupled to the power generation system can be detected. A second gating voltage can be applied to the gate of the switching element (210) during the detected grid event. The second gating voltage can be greater than the first gating voltage.
Abstract translation: 提供了用于基于电网状况来控制功率转换器（162）的操作的系统（200,300）和方法（400）。 特别地，第一选通电压可以被施加到与风力驱动的发电系统相关联的功率转换器（162）的开关元件（210）。 第一选通电压可以大于开关元件（210）的阈值电压。 可以检测与耦合到发电系统的电网相关联的电网事件。 在检测到的电网事件期间，可以将第二选通电压施加到开关元件（210）的栅极。 第二门控电压可以大于第一门控电压。
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173.发明授权SYSTEM AND METHOD TO EXTEND SYNCHRONOUS OPERATION OF AN ACTIVE CONVERTER IN A VARIABLE SPEED DRIVE 有权系统和方法用于扩展活动的驱动器的同步操作。在变速传动带
公开(公告)号：EP2106633B1
公开(公告)日：2010-08-18
申请号：EP08728406.3
申请日：2008-01-28
Applicant: Johnson Controls Technology Company
Inventor： SCHNETZKA, Harold R. , ADIGA MANOOR, Shreesha
CPC classification number: H02M1/12 , F25B49/025 , F25B2600/021 , H02M2001/123 , H02P27/08 , H02P29/50 , H02P2201/03 , H03L7/093 , H03L7/095 , H05K7/20936 , Y02B30/741
Abstract: Systems and methods for synchronous operation of variable speed drives having active converters include extending the synchronous operation of an active converter to the AC mains voltage during complete line dropout. A phase angle control circuit includes a squaring amplifier, a first phase-lock loop circuit associated and a second phase-lock loop circuit. The squaring amplifier receives the AC power source and outputs a rectangular output signal to a pair of phase lock loop (PLL) circuits. The first PLL circuit with a first lag-lead filter is configured with a high cutoff frequency to provide the converter stage with a phase angle parameter; and the second phase-lock loop circuit including a second lag-lead filter configured to have a low cutoff frequency to provide the lag-lead filter the capability of storing the phase angle of the mains voltage during mains interruption.
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公开(公告)号：EP2162976A2
公开(公告)日：2010-03-17
申请号：EP08728398.2
申请日：2008-01-28
Applicant: Johnson Controls Technology Company
Inventor： SCHNETZKA, Harold R. , JADRIC, Ivan , ADIGA MANOOR, Shreesha
CPC classification number: H02M1/12 , F25B49/025 , F25B2600/021 , H02M2001/123 , H02P27/08 , H02P29/50 , H02P2201/03 , H03L7/093 , H03L7/095 , H05K7/20936 , Y02B30/741
Abstract: Systems and methods for improved Variable Speed Drives having active inverters include an input filter for filtering common mode and differential mode currents. A three-phase inductor has three windings, each winding of the three-phase inductor having a center tap dividing each winding into a pair of inductor sections; and a three-phase input capacitor bank connected in a wye configuration to the three center taps at one end, and to a common point at the opposite end. The three-phase input capacitor bank provides a short circuit for frequencies above a predetermined fundamental frequency for shunting such frequencies through the three phase capacitor bank, while passing the predetermined fundamental frequency to an input AC power source.
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公开(公告)号：EP0296840A3
公开(公告)日：1990-06-13
申请号：EP88305710.1
申请日：1988-06-22
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Espelage, Paul Martin , Nowak, James Michael
CPC classification number: H02P27/06 , H02M5/4505 , H02P23/0077 , H02P2201/03
Abstract: An induction motor drive including a current source inverter system having controlled turn on and turn off semiconductors in a load side inverter selectively places notches in the waveshape of the current supplied to the parallel combination of the motor and a capacitor bank for the minimization of harmonics.
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Patent Agency Ranking
公开(公告)号：EP0153751B1
公开(公告)日：1990-04-25
申请号：EP85102253.3
申请日：1985-02-28
Applicant: KABUSHIKI KAISHA TOSHIBA
CPC classification number: H02P27/06 , H02M5/4505 , H02M7/757 , H02P1/30 , H02P2201/03
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177.发明公开
公开(公告)号：EP0234293A3
公开(公告)日：1988-09-28
申请号：EP87100947
申请日：1987-01-23
Applicant: KABUSHIKI KAISHA MEIDENSHA
Inventor： MATSUSE, KOKI , KUBOTA, HISAO
CPC classification number: H02P27/06 , H02J3/1892 , H02M7/5152 , H02P2201/03
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178.发明公开
公开(公告)号：EP0234293A2
公开(公告)日：1987-09-02
申请号：EP87100947.8
申请日：1987-01-23
Applicant: Kabushiki Kaisha Meidensha
Inventor： Matsuse, Koki , Kubota, Hisao
IPC: H02M5/45
CPC classification number: H02P27/06 , H02J3/1892 , H02M7/5152 , H02P2201/03
Abstract: A reactive power processing circuit for a current source GTO invertor in which a reactive current generated from a load of the GTO invertor is rectified by means of a fly wheel circuit and is sent to a capacitor so as to store a commutation surge voltage generated wherever a commutation of the invertor occurs, an excessive charge voltage across the capacitor is regenerated to a direct current output side of a power rectifier, and a pair of GTO (Gate Turn Off Thyristors) thyuris- tors are connected between the capacitor and the direct current output side of the power rectifier in their forward directions so as to carry out a discharge operation for the excessive charge voltage across the capacitor. Consequently, with the number of circuit elements remarkably reduced, the reactive power processing at times of a high-frequency operation and accelertion/deceleration (variable speed) operation of the invertor can be achieved.
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公开(公告)号：EP0221247A1
公开(公告)日：1987-05-13
申请号：EP86110270.5
申请日：1986-07-25
Applicant: BBC Brown Boveri AG
Inventor： Zürcher, Urs
IPC: H02P7/628
CPC classification number: H02P27/06 , H02P2201/03
Abstract: Es wird eine Betriebsschaltung für eine Drehstrom-Asynchronmaschine (5) angegeben, mit der es möglich ist, einen einfachen Umrichter mit Gleichstromzwischenkreis (1, 2, 3) mit natürlicher Kommutierung zur Speisung zu verwenden. Damit erforderliche Kommutierungsblindleistung für den Wechselrichter (2) des Umrichters verfügbar ist, ist die Asynchronmaschine (5) je Phase des Maschinen-Drehstroms über einen Seriekondensator (C1) mit dem jeweiligen Drehstromausgang des Wechselrichters (2) verbunden. An eine Drehstromleitung (r, s, t) zwischen dem jeweiligen Drehstromausgang des Wechselrichters und dem Seriekondensator (C1) ist ein Saugkreis-Filter mit einer Reihenschaltung aus einem Filterkondensator (C2) und einer Filterdrossel (L2) in Stern geschaltet. Die Kapazität eines Seriekondensators C1 und eines Filterkondensators C2 kann gemäss C1/S = 9,3 µF/kVA und C2/S = 2.3 µF/kVA berechnet werden, bei einer Spannung von 380 V, S = Scheinleistung der Asynchronmaschine (5).
Abstract translation: 据报道对于三相异步电机（5），其中可以使用一个简单的逆变器DC链路的操作电路（1，2，3）与自然换流被用于饲料。 因此，需要换向为（2）的转换器是可用的，异步电机（5），用于三相电流机的各相经由串联电容器（C1）连接到逆变器（2）的相应的三相输出的反相器。 到逆变器的相应的三个相输出和串联电容器（C1）之间的三相线（R，S，T）是具有滤波电容器（C2）和星形连接的滤波器电感器（L2）的串联连接的调谐电路中的滤波。 串联电容器C1和一个滤波电容器C2的电容，根据C1 / S = 9.3微法/千伏安和C2 / S = 2.3微法/千伏安在380 V，S =异步电机的视在功率的电压（5）计算。
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公开(公告)号：EP0153751A3
公开(公告)日：1986-07-30
申请号：EP85102253
申请日：1985-02-28
Applicant: KABUSHIKI KAISHA TOSHIBA
IPC: H02P01/30 , H02P07/63 , H02M05/451
CPC classification number: H02P27/06 , H02M5/4505 , H02M7/757 , H02P1/30 , H02P2201/03
Abstract: A power converter for starting an AC induction motor includes a frequency detector (41) which compares the frequency of an AC output of the converter with a predetermined frequency and generates a detection signal (SX) if the AC output frequency is lower than the predetermined frequency; a current controller (18, 26-29, 42-45) which controls the power converter such that an AC output current (lac) supplied to the motor (16) is determined in accordance with a given current reference (lref = S2) if the detection signal (SX) is generated; and a voltage controller (17, 18, 21-29, 31, 32, 43, 45) which controls the power converter so that an AC output voltage (Vac) applied to the motor (16) is regulated in accordance with a given voltage reference (Eref = E22) if the detection signal (SX) disappears.
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