Results 11 to 20 of about 1,837,959 (291)
The Detection of Shaft Misalignments using Motor Current Signals from a Sensorless Variable Speed Drive [PDF]
Shaft misalignments are common problems in rotating machines which cause additional dynamic and static loads, and vibrations in the system, leading to early damages and energy loss.
Gu, Fengshou +4 more
core +4 more sources
Motor Current Signature Analysis of a Variable Speed Drive for Motor Fault Diagnosis [PDF]
The induction motor is one of the most used electric machines in the industry because of its strong and simplicity. This paper investigates the performance of conventional techniques such as sideband analysis in detecting broken rotor bars when the motor
Gu, Fengshou +2 more
core +4 more sources
Energy Optimisation of Sensorless Induction Motor Drives Using a Novel Robust-Adaptive Flux Simulator [PDF]
Modern drive systems should have improved reliability and one solution is the reduction or elimination of the number of speed sensors while maximizing the efficiency of motor and drive systems.
Pislaru, Crinela +2 more
core +4 more sources
The popularisation of electric vehicles (EVs) and the development of dynamic wireless charging technology have created an emerging trend of transportation electrification, which strengthens the coupling between electrified transportation network (ETN ...
Lijun Geng +5 more
doaj +1 more source
Dynamic Stability Study of Grid-Connected Inverter Based on Virtual Synchronizer under Weak Grid
The power grid has the characteristics of a weak grid with an increase in new energy penetration in the power system. Power electronic-based renewable generation brings issues that weaken the entire system, including the loss of inertia.
Yinghui Li +4 more
doaj +1 more source
Research of Motor Soft Start by High Voltage Motor Drive Inverter [PDF]
The over-current phenomenon of direct starting of high voltage and high power motor is serious bad for the safety of motor. We are usually using motor soft start method when we need to start a motor.
Fang Jing, Zeng Le, Li Qianqian
doaj +1 more source
Due to the uncertainty of the nodal power caused by the varying renewable energies and the variety of loads, the line power of the distribution network (DN) is uncertainty also. In extreme scenarios, the line power may exceed the loading limits and incur
Jiacheng Jia +3 more
doaj +1 more source
To solve the voltage harmonics and voltage deviation caused by highly penetrated distributed generations (DGs) and power electronic equipment in distribution networks, a two‐layer model of the allocation for the voltage detection active power filters ...
Shuya Tian +6 more
doaj +1 more source
Research on sensorless control of HSPMSM based on a discrete full-order sliding mode observer
To address the inaccuracy of the observed rotor position caused by the large estimated back-electromotive force harmonics of the high-speed permanent magnet synchronous motor (HSPMSM) under the conventional sliding mode observer, this paper presents an ...
Shengwen Fan +3 more
doaj +1 more source
An Integrated Modular Motor Drive With Shared Cooling for Axial Flux Motor Drives [PDF]
In this article, a circumscribing polygon integrated modular motor drive topology with shared cooling for the power converter and the electrical machine is proposed and benchmarked with the nonintegrated version. The proposed topology is applied on an axial flux permanent magnet synchronous machine.
Abdalla Hussein Mohamed +2 more
openaire +2 more sources

