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]

open access: yes, 2015
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]

open access: yes, 2011
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]

open access: yes, 2012
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

Coordinated operation of coupled transportation and power distribution systems considering stochastic routing behaviour of electric vehicles and prediction error of travel demand

open access: yesIET Generation, Transmission & Distribution, 2021
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

open access: yesEnergies, 2022
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]

open access: yesE3S Web of Conferences, 2021
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

Schedule Strategy Considering the Overload Violation Risk to the Security Region in Distribution Networks

open access: yesEnergies, 2022
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

Two‐layer model of siting and sizing for active power filters and static var generators considering reactive power capability and active power curtailment of DGs

open access: yesIET Generation, Transmission & Distribution, 2022
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

open access: yesEnergy Reports, 2023
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]

open access: yesIEEE Transactions on Industrial Electronics, 2021
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

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