Results 181 to 190 of about 15,432 (236)

Supplementation with effective microorganisms in earthen ponds affects common carp growth and abundance of specific bacterial families. [PDF]

BMC Genomics
Jakimowicz M, Sidorczuk K, Huyben D, Hildebrand F, Napora-Rutkowski Ł, Hajduk P, Sztuka M, Mielczarek M, Słomian D, Jarosz L, Szyda J.   +10 more
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Burden of Intrapancreatic Fat Deposition in Type 2 Diabetes and the Role of Obesity: A Systematic Review and Meta-Analysis. [PDF]

Curr Obes Rep
Sul HH, Ahmad S, Danpanichkul P, Mantovani A, Souza M, Petrov MS.   +5 more
europepmc   +1 more source

ELF Pronunciation: Investigating Student Attitudes to the LFC

ELF Pronunciation: Investigating Student Attitudes to the LFC
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Exergy analysis of the LFC process

Energy Conversion and Management, 2016
Liquid from coal (LFC) is a pyrolysis technology for upgrading lignite. LFC is close to viability as a large-scale commercial technology and is strongly promoted by the Chinese government. This paper presents an exergy analysis of the LFC process producing semicoke and tar, simulated in Aspen Plus.
Qingsong Li, Yuankui Lin
exaly   +2 more sources

A novel adaptive LFC based on MPC method

IEEJ Transactions on Electrical and Electronic Engineering, 2019
This article presents a novel load frequency control (LFC) method using an adaptive internal model of a power system, where model predictive control (MPC) technique is applied to the internal model, which is being updated on‐line. The proposed method will improve the LFC performance by reducing model identification error and by handling the disturbance
Yoshifumi Zoka, Naoto Yorino, Yutaka Sasaki   +2 more
exaly   +2 more sources

Optimal Controller Design for LFC in Power System

2021
In this paper, two-area interconnected power system is considered to study load frequency control problem. The state model of the two area is developed, and an optimal controller linear quadratic regulator (LQR) is designed to reduce the load frequency control (LFC) problem. A conventional PID controller is also used to study the dynamic performance of
Himangshi Changmai, Mrinal Buragohain
openaire   +1 more source

Real Life Permissive LFC Model Description

2018 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe), 2018
This paper describes a permissive load frequency control (LFC) real life model for long-term time domain simulations. The model represents a supplementary control system to governor control systems based on area control error (ACE) calculation. Each forth second, ACE will be checked.
Stanko Jankovic, Bojan Ivanovic
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Introducing dynamic demand response in the LFC model

2015 IEEE Power & Energy Society General Meeting, 2014
Demand response (DR) has proved to be an inevitable part of the future grid. Much research works have been reported in the literature on the benefits and implementation of DR. However, little works have been reported on the impacts of DR on dynamic performance of power systems, specifically on the load frequency control (LFC) problem.
Pourmousavi, S. Ali, Nehrir, M. Hashem
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Design Philosophy of Long Range LFC Transports with Advanced Supercritical LFC Airfoils

1992
With the interest in long range air transportation, the question arises concerning the design philosophy of long range LFC transports, which can reach any point on earth at high subsonic speeds with relatively large payloads without refuelling. Figure 1 shows as an example a 180,000 kg take-off gross weight LFC transport airplane with 50,000 kg payload
Werner Pfenninger, Chandra S. Vemuru
openaire   +1 more source