Results 1 to 10 of about 10,823 (220)

Modelación de los efectos de la compensación de potencia reactiva en sistemas de suministro eléctrico Modelation of effects on reactive power compensation in secondary power systems

Ingeniare: Revista Chilena de Ingeniería, 2012
Se presentan los inconvenientes de la potencia reactiva y a partir de allí se realiza la modelación matemática de los efectos económicos de ésta, aplicable a sistemas de suministro eléctrico.
Davel Borges Vasconcellos, Ignacio Pérez Abril, Vicente León Martínez   +2 more
doaj   +1 more source

REACTIVE POWER COMPENSATION IN ASYNCHRONOUS ELECTRIC DRIVES

Electrical engineering & Electromechanics, 2013
Розглядається проблема розрахунку ємності косинусних конденсаторів для індивідуальної компенсації реактивної потужності в асинхронних електроприводах в усталених і пускових режимах роботи. В запропонованому алгоритмі використовується розроблена на основі теорії зображуючих векторів математична модель асинхронного двигуна високого рівня адекватності, в ...
Vasyl Malyar, I. A. Dobushovska
openalex   +3 more sources

Third-Party Entity Voltage Regulation Ancillary Service Compensation and Procurement in Distribution Networks with High-Penetration PV

Zhongguo dianli, 2023
The large-scale grid connection of distributed photovoltaics brings many voltage problems. Demand responses can bring flexible voltage regulation ability to solve problem of photovoltaics curtailments.
Jing BAI, Guanghou JIN, Helin SUN, Chufan HU, Jinquan ZHAO, Tianhua CHEN   +5 more
doaj   +1 more source

A Linearized Time-Invariant Voltage-Sensorless Direct Power Control for Three-Phase Vienna Rectifiers

IEEE Access, 2023
In this paper, a linearized time-invariant voltage-sensorless direct power control (DPC) with balanced and unbalanced dc-link voltage is proposed in a three-phase Vienna rectifier.
Yi-Hung Liao, Wen-Han Hsu, Bing-Rong Xie
doaj   +1 more source

Analysis of Power Quality issues of different types of household applications

Energy Reports, 2022
Most of the loads used in our day-to-day life are non-linear in nature. To investigate the performance of various non-linear loads, a laboratory setup on different load combinations such as light, fan and drive system in this work.
T.M. Thamizh Thentral, R. Palanisamy, S. Usha, Mohit Bajaj, Hossam M. Zawbaa, Salah Kamel   +5 more
doaj   +1 more source

Voltage Modulated DPC Strategy of DFIG Using Extended Power Theory under Unbalanced Grid Voltage Conditions

Energies, 2020
This paper develops a voltage modulated direct power control (VM-DPC) strategy of a doubly fed induction generator (DFIG) using extended power theory under unbalanced grid voltage conditions.
Peng Cheng, Chao Wu, Fuwei Ning, Jing He
doaj   +1 more source

A Comprehensive Review on Optimal Location and Sizing of Reactive Power Compensation Using Hybrid-Based Approaches for Power Loss Reduction, Voltage Stability Improvement, Voltage Profile Enhancement and Loadability Enhancement

IEEE Access, 2020
With the modernization of power grids, the network optimal utilization is essential to ensure that voltage profile at each bus is maintained within an acceptable range, voltage stability of the system is enhanced, power losses in lines are minimized ...
Bazilah Ismail, Noor Izzri Abdul Wahab, Mohammad Lutfi Othman, Mohd Amran Mohd Radzi, Kanendra Naidu Vijyakumar, Muhammad Najwan Mat Naain   +5 more
doaj   +1 more source

Arterial oxygen content is precisely maintained by graded erythrocytotic responses in settings of high/normal serum iron levels, and predicts exercise capacity: an observational study of hypoxaemic patients with pulmonary arteriovenous malformations. [PDF]

, 2014
Oxygen, haemoglobin and cardiac output are integrated components of oxygen transport: each gram of haemoglobin transports 1.34 mls of oxygen in the blood.
AD Kjeldsen, AM Evans, AN Friedman, BE Phillips, BM Silva, BR O'Driscoll, CG Mason, CL Shovlin, CL Shovlin, CL Shovlin, CL Shovlin, CL Shovlin, CL Shovlin, Claire L. Shovlin, CM Fletcher, D Pennington, DZ Levett, E McLean, ER Chilvers, H Finnamore, Hannah C. Tighe, IS Anand, JA Dutton, JA Livesey, James E. Jackson, JE Van de Pette, JJ Mager, JL Hart, L Boyer, LC Ou, Louisa C. Williams, LS Valberg, M Hu, M Moussouttas, ME Faughnan, MF McMullin, MK Whyte, MK Whyte, MP Grocott, MW van Gent, P Gupta, P Shovlin CL Wilmshurst, PB Terry, PC Hébert, PM Sondel, RC Hewes, RD Thompson, S Honda, T Ueki, Tracey Rouault, V Cottin, Vatshalan Santhirapala, WB Porter, WS Smellie   +53 more
core   +8 more sources

Adequate Operation of Hybrid AC/MT-HVDC Power Systems Using an Improved Multi- Objective Marine Predators Optimizer

IEEE Access, 2021
This paper presents an Improved Multi-Objective Marine Predators Optimizer (IMMPO) for optimal operation of hybrid AC and multi-terminal-high voltage direct current (AC/MT-HVDC) power systems.
Abdallah M. Elsayed, Abdullah M. Shaheen, Mosleh M. Alharthi, Sherif S. M. Ghoneim, Ragab A. El-Sehiemy   +4 more
doaj   +1 more source

Investigations with various inner shielding distance tests for a novel coupler-based CPT system applied for electric vehicles using electromagnetic resonant coupling and aluminium shielding material [PDF]

, 2020
Contactless power transfer (CPT) technology development has been driven rapidly over the past decade by the world-wide trends towards new energy explorations, and numerous reports have been presented in this area.
Duan, J, Wang, W
core   +1 more source