Sectional power supply long stator linear motor switching current disturbance suppression method and system

Sectional power supply long stator linear motor switching current disturbance suppression method and system

The invention belongs to the field of current disturbance suppression of linear motors, particularly relates to a switching current disturbance suppression method and system for a segmented power supply long-stator linear motor, and aims to solve the problems that an existing linear motor is relativ...

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Hauptverfasser: LI YAOHUA, LI ZIXIN, SHI LIMING, XU FEI, DENG CHENGTANG
Format: Patent
Sprache:chi ; eng
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CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator LI YAOHUA
LI ZIXIN
SHI LIMING
XU FEI
DENG CHENGTANG
description The invention belongs to the field of current disturbance suppression of linear motors, particularly relates to a switching current disturbance suppression method and system for a segmented power supply long-stator linear motor, and aims to solve the problems that an existing linear motor is relatively long in switching time and relatively large in current fluctuation. The method comprises the steps that the rotor position s of the segmented power supply long-stator linear motor is tracked and obtained in real time, and a regulation factor delta is calculated based on the current rotor position s; and acting the regulation factor delta on a proportional controller, an integral controller and a feedforward controller of the segmented power supply long-stator linear motor to suppress disturbance impact in a thyristor switching process so as to realize switching current disturbance suppression of the segmented power supply long-stator linear motor. According to the invention, accumulative amplification of distur
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The method comprises the steps that the rotor position s of the segmented power supply long-stator linear motor is tracked and obtained in real time, and a regulation factor delta is calculated based on the current rotor position s; and acting the regulation factor delta on a proportional controller, an integral controller and a feedforward controller of the segmented power supply long-stator linear motor to suppress disturbance impact in a thyristor switching process so as to realize switching current disturbance suppression of the segmented power supply long-stator linear motor. 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The method comprises the steps that the rotor position s of the segmented power supply long-stator linear motor is tracked and obtained in real time, and a regulation factor delta is calculated based on the current rotor position s; and acting the regulation factor delta on a proportional controller, an integral controller and a feedforward controller of the segmented power supply long-stator linear motor to suppress disturbance impact in a thyristor switching process so as to realize switching current disturbance suppression of the segmented power supply long-stator linear motor. According to the invention, accumulative amplification of distur</abstract><oa>free_for_read</oa></addata></record>
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subjects CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title Sectional power supply long stator linear motor switching current disturbance suppression method and system
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