Results 41 to 50 of about 23,865 (219)

Phasing Out Coal Power Through Cross‐Border Renewable Energy Trade in the Asia‐Pacific

Sustainable Development, EarlyView.
ABSTRACT Coal remains the backbone of electricity generation in the Asia‐Pacific region, accounting for half of total regional output and two‐thirds of global coal‐fired capacity. The substantial environmental and public‐health externalities of coal highlight the urgent need to accelerate the renewable energy transition.
Bin Lu, Thang Nam Do, Indra Overland, Muhammad Rizki Kresnawan, Indira Pradnyaswari, Muhammad Ilham Rizaldi, Aldilla Noor Rakhiemah   +6 more
wiley   +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

Inertia Compensation Strategy of AC/DC System Tie Line Based on Energy Storage Differential Control

Taiyuan Ligong Daxue xuebao, 2021
A strategy of compensating DC tie line inertia by differential control of energy storage was proposed in this paper. First, through the analysis of AC/DC transmission model and the inertia characteristics of DC tie line, a two zone AC/DC hybrid AGC ...
Xilin ZHAO, Daheng ZHANG, Hang MING
doaj   +1 more source

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

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

Mechanism of Damage and Micro‐Characterisation of Irradiation‐Induced Free Radicals on the Epoxy Insulation of the Bridge Arm Reactors at High Altitude

High Voltage, EarlyView.
ABSTRACT Damage degradation of epoxy resin insulating materials by free radicals triggered by the ultraviolet irradiation environment at high altitude has become a key issue that restricts the reliability of the bridge arm reactor at high altitude.
Liang Zou, Xinya Luo, Zhiyun Han, Zhen Li, Xiaofeng Ding, Kejie Huang   +5 more
wiley   +1 more source

Valve-Side Single-Phase-to-Ground Fault Clearance in Bipolar Hybrid-MMC HVDC Systems Utilizing Thyristor Commutation Branches and Mechanical Interrupter

IEEE Access
The Hybrid Modular Multilevel Converter (HMMC) topology—comprising full-bridge (FB) and half-bridge (HB) submodules—is effective for DC fault clearance in HVDC systems.
Muhammad Usman, Il Kwon, Bang-Wook Lee
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

Deterioration Law of Mechanical Properties of Insulation Pressboard Under Multifield Coupled Ageing

High Voltage, EarlyView.
ABSTRACT Converter transformers can experience progressive deterioration of their oil–pressboard insulation under elevated temperature, combined AC–DC electrical stress and persistent mechanical vibration. This study investigates how mechanical vibration affects the mechanical properties of insulation pressboard and clarifies the associated microscopic
Jiayi Chen, Guan Wang, Zihao Li, Zhongyu Zhao, Kuo Yan, Hongshun Liu   +5 more
wiley   +1 more source

Converting Overhead Lines from HVAC to HVDC: An Overview Analysis

, 2021
Several contributions in technical literature highlight the potential offered by the conversion of an existing HVAC overhead line into a HVDC one. In the context of the world's energy transition from fossil fuel-based to higher and higher renewable ...
L'Abbate A., S. Dambone Sessa, Benato R., Gardan G.   +3 more
core   +1 more source