PURPOSE:To synchronize a brushlers synchronous machine smoothly and quickly by smoothly staring it with a static stator. CONSTITUTION:When a synchronous machine SYN is to be started, it is let to be started up to the rated speed by closing a starting excitation contactor 41S, forming an ...
This paper describes a new line-starting method of a class of synchronous motors. A general overview of line start synchronous machines is first presented. Problems related to the starting of these machines will be highlighted. Problems related to line starting of synchronous machines which do not...
This invention relates to new and improved methods and means for starting synchronous motors. One of the objects of my invention is to provide a method and means whereby the angular position of the field structure relative to the moving wave of flux in the air gap at the instant at which ...
This invention relates to new and improved methods and means for starting synchronous motors. One of the objects of my invention is to provide a method and means whereby the angular position of the field structure relative to the moving wave of flux in the air gap at the instant at which ...
permanent magnet motorssingle phase systemsAC machinesThis paper compares three starting methods for a single-phase interior permanent magnet synchronous motor. One is a line-start capacitor motor with a starting cage. The second is the same cage motor with an open-loop variable-voltage fixed-...
Heretofore two methods have been commonly employed for starting synchronous machines, the first of which consists in connecting the machine to the conductors of a circuit either directly or through a transformer and permitting it to come into synchronism with the current flowing through the circuit. ...
摘要: PROBLEM TO BE SOLVED: To provide a starting method for an inverter driven motor an inverter system applying that method in which no burden is applied to neither a rectifying circuit nor an inverter at the time of starting a motor....
Therefore, we must try to improve the starting method of the motor, so as to achieve the smooth and no impact start of the motor, so various kinds of current limiting starting methods have come into being. 2 traditional starting method 2.1 stator series reactor starting For squirrel cage ...
1. Verfahren zum Anfahren eines Innenpol-Synchronmotors (10), wobei bei dem Verfahren induktive Blindleistung in wenigstens eine Statorwicklung des Synchronmotors (10) eingespeist wird. 2. Verfahren nach Anspruch 1, bei welchem ein Drehstrom mittels eines Stromrichters (24) in Statorwicklung...
This paper presents a sensorless Direct Torque Control (DTC) methods for permanent magnet synchronous motors (PMSM) supplied by three-level Neutral-Point-C... A Ameur,B Mokhtari,L Mokrani,... 被引量: 0发表: 0年 Control for Synchronous Drive of Dual Linear Motors Based on Single Neural PID...