Results 41 to 50 of about 22,049 (174)

Development of Cooling Performance Evaluation System for Semiconductor Device in High Voltage Direct Current Converter [PDF]

한국정밀공학회지, 2020
The high voltage direct current (HVDC) device has been used to transmit electrical power with an advanced technology of semiconductors. The sustainable energy generation technologies of solar power and windmills are demanding that the HVDCs have high ...
Jaemun Choi, Jaehyun Park, Heesung Park
doaj   +1 more source

Design of a Multi‐Complex Disturbance Generator Using Virtual Instrumentation for Power Quality Monitoring Research

Energy Science &Engineering, EarlyView.
A real‐time power quality disturbance generator is developed using virtual instrumentation based on LabVIEW and NI MyDAQ. The system generates IEEE‐standard PQ events with controllable noise and harmonics. Measurement uncertainty analysis confirms its reliability for realistic testing of Power Quality Disturbance detection and classification algorithms.
Abdullah Saud, Adil Usman, Muhammad Umar Khan, Sumair Aziz, Muhammad Faisal Nadeem Khan, Muhammad Akmal   +5 more
wiley   +1 more source

Power electronics options for large wind farm integration : VSC-based HVDC transmission [PDF]

, 2006
This paper describes the use of voltage source converter based HVDC transmission (VSC transmission) system for grid integration of large wind farms over long distance.
Xu, Lie, Yao, Liangzhong, Lie Xu, Liangzhong Yao, Sasse, C., Christian Sasse, Xu, L., Yao, L., Sasse, Christian   +8 more
core   +1 more source

Bursting Oscillation Characteristics and Improved AHODFC for DFIG and PMSG Combined Wind Farm

Energy Internet, EarlyView.
ABSTRACT Bursting oscillations occur in DFIG and PMSG combined wind farm under external disturbances and lead to the instability problems. To reveal the bursting oscillation characteristics and develop a suppression method, a fast‐slow dynamics analysis method and an improved adaptive high‐order differential feedback controller (AHODFC) based on ...
Kun Wang, Wei Chen, Jiangtao Li, Zhanhong Wei   +3 more
wiley   +1 more source

Switching overvoltages and polarity reversal in presence of HVDC circuit breakers

, 2023
The recent development of High Voltage Direct Current circuit breakers (HVDC CBs) prototypes may introduce many potential advantages for HVDC links in terms of flexibility and possible meshing.
Spezie R., Palone F., Buono L., Pizzimenti F., Vacante P., Lauria S., Papi L., Tresso G., Capponi F. G.   +8 more
core   +1 more source

The electromagnetic transient simulation acceleration algorithm based on delay mitigation of dynamic critical paths

Energy Informatics
The task scheduling problem based on directed acyclic graphs (DAGs) has been proven to be NP-complete in general cases or under certain restrictions.
Qi Guo, Yuanhong Lu, Jie Zhang, Jingyue Zhang, Libin Huang, Haiping Guo, Tianyu Guo, Liang Tu   +7 more
doaj   +1 more source

IoT Supervised PV-HVDC Combined Wide Area Power Network Security Scheme Using Wavelet-Neuro Analysis

Advances in Electrical and Electronic Engineering, 2022
Power system networks are one of the most widely used methods in the real world for transferring large amounts of electrical energy from one location to another.
Gantaiah Swamy Garika, Padma Kottala
doaj   +1 more source

Market Integration of HVDC Lines: Internalizing HVDC Losses in Market Clearing [PDF]

IEEE Transactions on Power Systems, 2020
Moving towards regional Supergrids, an increasing number of interconnections are formed by High Voltage Direct Current (HVDC) lines. Currently, in most regions, HVDC losses are not considered in market operations, resulting in additional costs for Transmission System Operators (TSOs).
Andrea Tosatto, Tilman Weckesser, Spyros Chatzivasileiadis   +2 more
openaire   +2 more sources

A Hybrid Energy Storage‐Based 800 V DC Distribution Architecture and Hierarchical Rolling Scheduling Strategy for Intelligent Data Centres

Energy Internet, EarlyView.
ABSTRACT Intelligent computing loads, which are characterised by high‐power density and impulsive, pose a significant challenge to high‐power impact resilience and fast dynamic response capability of the internal power supply system in data centres. To tackle this challenge, this paper proposes an 800 V HVDC distribution architecture integrated with ...
Yanlin Song, Min Chen, Xiaojun Wang, Mohammad Shahidehpour, Yongqin Qiu   +4 more
wiley   +1 more source

Design and implementation of passive impedance adapter to damp resonances between VSC‐HVDC and AC systems

IET Generation, Transmission & Distribution
It has been known that resonances often occur when high‐voltage direct current (HVDC) systems are connected into the AC system via voltage‐source converters (VSCs).
Changyue Zou, Junjie Feng, Xiaobin Zhao, Yi Yuan, Ting Hou   +4 more
doaj   +1 more source