Results 41 to 50 of about 7,054,773 (202)

Effect of Blade Faults on the Performance Characteristics of a Vertical Axis Wind Turbine [PDF]

, 2013
Due to the diminishing reserves of fossil fuels and increased pollution from exploitation of these fuels, the world is focusing on the renewable energy sources. Wind is being considered as one of the prime next generation energy sources.
Park, Kyooseon, Asim, Taimoor, Mishra, Rakesh   +2 more
core   +3 more sources

Difference analysis of dissolved gas in natural ester insulating fluids under typical electrical and thermal faults: An experimental study

High Voltage, 2023
Natural ester insulating oil is widely used in transformers due to its good fire resistance and biodegradability. It is mainly composed of triglycerides, and there are some differences in fatty acid composition and content among natural esters. Therefore,
Yadong Xing, Yizhuo Hu, Yaoxiang Ma, Yang Liu, Ming Dong, Yang Xu   +5 more
doaj   +1 more source

A Real-Time Digital Twin and Neural Net Cluster-Based Framework for Faults Identification in Power Converters of Microgrids, Self Organized Map Neural Network

Energies, 2022
In developing distribution networks, the deployment of alternative generation sources is heavily motivated by the growing energy demand, as by environmental and political motives.
Juan R. Lopez, Jose de Jesus Camacho, Pedro Ponce, Brian MacCleery, Arturo Molina   +4 more
doaj   +1 more source

Analytical reliability evaluation method of smart micro-grids considering the cyber failures and information transmission system faults

, 2022
The reliability of smart micro-grids (SMGs), as a cyber-physical system (CPS), might be influenced by cyber failures and information transmission faults.
Hashemi Dezaki, Hamed, Ketabi, Abbas, Aslani, Mehrdad   +2 more
core   +1 more source

Generalized discrete‐time equivalent model for interfacing the grid‐connected photovoltaic system

IET Generation, Transmission & Distribution, 2023
The power system dynamics have consistently challenged the rapid and persistent proliferation of photovoltaic (PV) systems in power systems. In this paper, the authors propose the generalized discrete‐time equivalent model (GDEM) of PV power generation ...
Fu Shen, Yutao Zhang, Gefei Qiu, Zhiwen Yang, Shiwei Li, Guangbing Yang   +5 more
doaj   +1 more source

Multi-Fault Diagnosis of Three-Phase Four-Wire Inverter Based on Fuzzy Logic

Energies
In modern power systems such as new energy generation and smart grids, inverters serve as core equipment for electrical energy conversion and transmission.
Jian Huang, Yuan Sun, Heping Fu, Guan Wang, Zuosheng Yin, Kai Cui, Chao Zhang   +6 more
doaj   +1 more source

A risk uncertainty–based flexible dispatch method for pumped storage under extreme weather

IET Renewable Power Generation
The large‐scale integration of renewable energy into new power systems presents significant challenges in terms of controllability and predictability due to its inherent randomness and volatility. The uncontrollability is further compounded by the sudden
Miaoyong Feng, Zhanhong Huang, Tao Yu, Zhenning Pan, Qianjin Liu, Ziyao Wang, Shuangquan Liu   +6 more
doaj   +1 more source

Features of fault transient's in generator network of powerful electric power stations

Известия высших учебных заведений: Проблемы энергетики, 2021
THE PURPOSE. To consider the problems of generator circuit breaker. To consider the problems of high degree of asymmetry of short-circuit current and long delayed current zeros in detail. Propose methods for solving these problems. Develop the equivalent electrical circuit model of electric power station.
E. P. Safonov, V. Ya. Frolov
openaire   +1 more source

A state‐space average model of a three‐level PV inverter for transient short‐circuit currents analysis

IET Generation, Transmission & Distribution
This paper presents a state‐space average model of a three‐level photovoltaic (PV) inverter to understand short‐circuit currents transient characteristics. Analytical solution of the model is also derived.
Shuai Yuan, Bing Wen, Jian‐Ying Zhang, Zhimin Li   +3 more
doaj   +1 more source

A Fault Detection Method for Photovoltaic Systems Based on Voltage and Current Observation and Evaluation

Energies, 2019
Photovoltaic (PV) power generation systems work chronically in various climatic outdoor conditions, therefore, faults may occur within the PV arrays in PV systems.
Tingting Pei, Xiaohong Hao
doaj   +1 more source