Results 281 to 290 of about 191,823 (301)

Research on Power Quality Control for Railway Traction Power Supply System

2009 Pacific-Asia Conference on Circuits, Communications and Systems, 2009
In this paper, the main methods of reactive power compensation and harmonic suppression and negative balance for electrified railway were analyzed and compared in detailed. And the problems existing power quality control are pointed out. According to the characteristics of electrified railway and aiming at these problems, Improved projects were put ...
Xiangzheng Xu, Baichao Chen
openaire   +1 more source

Power Quality Survey of Industrial Large-power DC Supply System

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
In this paper, a power quality (PQ) survey of the large-power electrolytic manganese factory is presented to provide the background introduction of PQ issues. The electrolytic manganese factory consists of 10 rectifier units, which has the electric environment of large current/low voltage. The monitoring object is a 15 MVA rectifier unit.
Qianyi Liu, Yong Li 0016, Christian Rehtanz, Sijia Hu, Longfu Luo   +4 more
openaire   +1 more source

Power Quality Improvement in Traction Power Supply Networks

2013
AC railway traction loads are usually huge single phase loads. As a result, a significant amount of Negative Sequence Current (NSC) is injected into utility grid. Moreover, harmonics and consumption of reactive power are further power quality problems that the supply network is encountering.
Ghassemi, A., zarezadeh, E., Saeed Fazel, S.   +2 more
openaire   +1 more source

THE EFFECTS OF REMOTE CONTROL ON QUALITY OF POWER SUPPLY TO THE CUSTOMERS

2001
The effects of applying remote control and operation systems to substations HV and MV on the voltage level of thirtyfive kV to the quality of consumers power supply are discussed and described in the paper. Based on real reliability indices, derived from distribution network Elektroslavonija data, the time durations of outages and the quantity of ...
Pečvarac, Damir, Papandopulo, Boris
openaire   +3 more sources

Store brand introduction in a dual-channel supply chain: The roles of quality differentiation and power structure

Omega, 2023
Yujie Xiao, Wenju Niu, Lianmin Zhang
exaly  

The impact of alternative financial supply chain management practices on supply risk: A relationship quality and buyer relative power perspective

Industrial Marketing Management, 2022
Saeed Najafi-Tavani, Hossein Sharifi, Peter Naude   +2 more
exaly  

Power, supply chain integration and quality performance of agricultural products: evidence from contract farming in China

Production Planning and Control, 2021
Shaoling Fu, Yuanzhu Zhan, Kim Hua Tan
exaly  

Power quality measurement in power supply systems

2015
  +4 more sources

Power supply quality

First IEE International Conference on Building Electrical Technology (BETNET), 2004
openaire   +1 more source

Automated metering and power quality systems in power supply systems

2021
В статье показано, что данные, собираемые автоматизированной системой коммерческого учёта электроэнергии, являются ансамблем суточных реализаций случайных процессов электропотребления системы электроснабжения. Основная цель использования автоматизированных систем коммерческого и технического учёта электроэнергии: уменьшение расхода электроэнергии.
openaire   +1 more source