Results 21 to 30 of about 29,564 (256)

Reduction of Technological Power Consumption at the Expense of Rational Transfer of Reactive Power in Power Engineering System

Наука и техника, 2003
The paper presents definition of the problem and description of the algorithm concerning optimum planning of reactive power of electric power stations of the power engineering system.The algorithm of the problem solution is developed with due account of ...
O. I. Alexandrov, D. G. Goriachko
doaj   +1 more source

Optimal allocation and sizing of dynamic VAR support to improve short-term voltage stability considering wind farm and dynamic load model [PDF]

International Journal of Industrial Electronics, Control and Optimization, 2018
Nowadays short-term voltage instability is a major threat for power system reliability and stability owing to the increasing proportion of renewable energy sources such as solar and wind power, induction motor loads, HVDC links and etc.
Parnian Fakhrooeian, mehrdad Abedi, peyman karimyan   +2 more
doaj   +1 more source

EVALUATION OF EFFECT OF REACTIVE POWER CONTROL STRATEGY BASED ON VOLTAGE TERMINAL OF GENERATORS ON LIMIT INDUCED BIFURCATION AND DYNAMIC VOLTAGE STABILITY MARGIN [PDF]

مجله مدل سازی در مهندسی, 2013
Reactive power limit of power system generators has a significant effect on the static voltage stability margin such as maximum load ability point and dynamic voltage stability margin such as HB, LIB and SNB.
M.H. Velayati, N. Amjady, I. Khajevandi
doaj   +1 more source

Risk analysis of power systems for both real and reactive power

Journal of Modern Power Systems and Clean Energy, 2013
With the high penetration of renewable energy sources, the reliability of power systems becomes more vulnerable than ever because of the greater uncertainty and intermittence in power generation. Reactive power plays an important role in the power system
Wenping Qin, Peng Wang, Xiaoqing Han, Fanhua Meng   +3 more
doaj   +1 more source

Dynamic reactive power planning method for CSP-PV hybrid power generation system

Journal of Measurement Science and Instrumentation, 2020
Aiming at the faults of some weak nodes in the concentrated solar power-photovoltaic（CSP-PV） hybrid power generation system, it is impossible to restore the transient voltage only relying on the reactive power regulation capability of the system itself ...
ZHANG Hong, DONG Hai-ying, CHEN Zhao, HUANG Rong, DING Kun   +4 more
doaj  

Optimal reactive power planning in power transmission system considering FACTS devices and implementing hybrid optimisation approach

IET Generation, Transmission & Distribution, 2020
This study introduces a techno‐economic planning strategy of reactive power (VAr) in power transmission systems. This planning strategy primarily has been focused on reactive power planning (RPP) through operating cost minimisation ensuring cost‐oriented
Nihar Karmakar, Biplab Bhattacharyya
doaj   +1 more source

Comparison and Applicability of New Generation Synchronous Condenser and STATCOM Based on Characteristic Analysis in Frequency and Time Domains

发电技术, 2021
The dynamic characteristics of new generation synchronous condenser and static synchronous compensator (STATCOM) were compared in both frequency and time domains in this paper, based on which their applicability under different scenes was analyzed ...
Yichi ZHANG, Zhiqiang LI, Zhe WANG, Qinyong ZHOU, Jincheng GUO, Shan JIANG, Baoxin LI, Gang ZHAO   +7 more
doaj   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

Therapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola, Shakirat Gold‐Olufadi, Olufunto Olufela Kalejaiye, Abdullateef Ogala, Rasheed A. Balogun   +4 more
wiley   +1 more source

Optimal Reactive Power Dispatch Planning Considering Voltage Deviation Minimization in Power Systems

Energies
Transmission lines in electrical power systems are studied and analyzed to improve the electrical system’s safety, stability, and optimal operation. Past research has proposed various optimization methods to address the problem of active and reactive ...
Orlando Álvarez, Diego Carrión, Manuel Jaramillo   +2 more
doaj   +1 more source

Reliability-Constrained AC Power Flow-Based Co-Optimization Planning of Generation and Transmission Systems With Uncertainties

IEEE Access, 2020
As the penetration of renewable energy continues to grow, power system expansion planning needs new techniques to balance the cost to achieve high renewable targets while maintaining a certain level of flexibility and reliability in the presence of ...
Zongchuan Zhou, Chuan He, Tianqi Liu, Xiaojing Dong, Kun Zhang, Dongsheng Dang, Baorui Chen   +6 more
doaj   +1 more source