Device and method for calculating output power of three-phase asynchronous motor according to rotating speed and current

Device and method for calculating output power of three-phase asynchronous motor according to rotating speed and current

The invention relates to a device and a method for calculating output power of a three-phase asynchronous motor according to rotating speed and current. The device is characterized by at least comprising a three-phase power supply (1), the three-phase asynchronous motor (2), a current sensor (3), a...

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Hauptverfasser: DING ZHAORONG, ZHENG QIYUN, DUAN HAN, XIE MINGJUN, QIN GAOQIANG, HUANG CHENTAO, JIANG XIAOFAN
Format: Patent
Sprache:chi ; eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator DING ZHAORONG
ZHENG QIYUN
DUAN HAN
XIE MINGJUN
QIN GAOQIANG
HUANG CHENTAO
JIANG XIAOFAN
description The invention relates to a device and a method for calculating output power of a three-phase asynchronous motor according to rotating speed and current. The device is characterized by at least comprising a three-phase power supply (1), the three-phase asynchronous motor (2), a current sensor (3), a rotating angle/rotating speed sensor (4), a data processing unit (5), a solving point unknown data prediction algorithm (6) and a pre-measured motor data two-dimensional array (7), wherein the three-phase power supply (1) is connected with the three-phase asynchronous motor (2) according to a star-shaped or triangular connection method, and the non-contact current sensor is sleeved in a connection loop between the three-phase power supply (1) and the three-phase asynchronous motor (2). According to the device and the method for calculating the output power of the three-phase asynchronous motor according to the rotating speed and the current, the load state and the working state of the motor can be calculated, the w
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Device and method for calculating output power of three-phase asynchronous motor according to rotating speed and current
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