Results 11 to 20 of about 137,735 (220)

Adaptive VSG control strategy considering energy storage SOC constraints

open access: yesFrontiers in Energy Research, 2023
The virtual synchronous generator (VSG) control strategy is proposed to mitigate the low inertia problem in the power system brought about by the high percentage of distributed generation connected to the grid and the application of power electronic ...
Jinglin Han   +5 more
doaj   +1 more source

Optimization Methodology for Carbon Capture Reformation Schemes in Thermal Power Plants Considering the Power Flexible Ramping Demand [PDF]

open access: yesDianli jianshe
[Objective] In the context of high-percentage renewable energy integration, to satisfy the system flexibility and low-carbon demand, we propose an optimization method for the carbon capture reformation of thermal power plants considering the flexible ...
WU Kailang, SHAN Lanqing, BO Liming, CHENG Xueting, LIU Xinyuan, CAI Zhi, GUO Hongye, LI Yinxiao
doaj   +1 more source

Digital Social Security: Potential for Platform Work

open access: yesWirtschaftsdienst, 2020
Social security in platform work has serious gaps. ‘Digital Social Security’ shows how social insurance can also be organised in a market with a very short-term and (partially) internationally integrated character.
Enzo Weber
doaj   +1 more source

Gait Segmentation Method Using a Plantar Pressure Measurement System with Custom-Made Capacitive Sensors

open access: yesSensors, 2020
Gait analysis has been widely studied by researchers due to the impact in clinical fields. It provides relevant information on the condition of a patient’s pathologies.
Pablo Aqueveque   +3 more
doaj   +1 more source

IDENTIFICATION OF MAIZE LODGING: A CASE STUDY USING A REMOTELY PILOTED AIRCRAFT SYSTEM [PDF]

open access: yesEngenharia Agrícola, 2019
A common agricultural problem in many regions of Brazil is maize lodging, as a consequence of strong winds and rain which impacts on crop growth and yield. However, collecting data using ground-based, manual field measurement methods is inefficient.
Matheus G. Acorsi   +2 more
doaj   +1 more source

Real-world application of a discrete feedback control system for flexible biogas production

open access: yesAdvanced Modeling and Simulation in Engineering Sciences, 2023
Using renewable energy is increasingly prevalent as part of a global effort to safeguard the environment, with a reduction in $${\mathrm{CO}}_{2}$$ CO 2 being one of the primary objectives.
Lingga Aksara Putra   +2 more
doaj   +1 more source

The effectiveness of communication interdependence between teachers, parents, assessors, and entrepreneurs affecting the work and entrepreneurial skills of vocational high school students

open access: yesJurnal Pendidikan Vokasi, 2021
This research aims to describe the model, quantity percentage, and factors that affect the effectiveness of communication interdependence between teachers, parents, accessors, and entrepreneurs, affecting vocational high school students’ work and ...
Rosmawaty Hilderiah Pandjaitan   +1 more
doaj   +1 more source

National exchange rate policies and international debt crises: how Brazil did not follow Argentina into a default in 2001-2002

open access: yesBrazilian Journal of Political Economy, 2007
This paper examines how exchange rate policies and IMF Stand-By Arrangements affect debt crises using econometrics and a comparison between Argentina and Brazil.
Bryan Andrew Kenyon Johnson
doaj   +1 more source

Multi-Type FACTS Controllers for Power System Compensation: A Case Study of the Nigerian 48-Bus, 330 kV System

open access: yesNigerian Journal of Technological Development, 2021
Flexible alternating current transmission system (FACTS) devices have provided proficient answers to power system instabilities faced in the systems operations today with very little infrastructural investment fund. This paper investigates the effects of
I. E. Nkan, E. E. Okpo, O. I. Okoro
doaj  

An evaluation of domestic electric water heaters for frequency control

open access: yesFrontiers in Energy Research, 2022
Maintaining the frequency of a power system close to its nominal value (50 Hz or 60 Hz) is critical, which comes mainly from generators and flexible loads in traditional power systems.
Sheng Xiang, Hongming Yang, Bo Cao
doaj   +1 more source

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