Results 61 to 70 of about 1,496 (223)

Interruption characteristics of self-powered hybrid DC circuit breaker with synergistic effect of step-down and divided current

International Journal of Electrical Power & Energy Systems
The DC voltage level of photovoltaic and PEDF applications have continuously advanced, reaching up to DC3000V. This presents new requirements for DC circuit breakers operating at higher voltages (>DC1500V) to ensure effective fault protection in the DC ...
Jianning Yin, Xiaojian Lang, Jiandong Duan, Shuhua Liang, Xingwen Li   +4 more
doaj   +1 more source

Social Equity Practices in Public Financial Management: A Conceptual Review and Proposed Reforms

Public Administration, EarlyView.
ABSTRACT Equity has been at the core of public finance going at least as far back as 1776 when Adam Smith included it as one of four canons of a good tax in his classic An Inquiry into the Nature and Causes of the Wealth of Nations (Tax Project Institute 2025).
John R. Bartle, Philip G. Joyce, Marilyn M. Rubin   +2 more
wiley   +1 more source

Short-Circuit Protection Schemes for LVDC Microgrids Based on the Combination of Hybrid Circuit Breakers and Mechanical Breakers [PDF]

, 2023
In recent years, low-voltage direct current (LVDC) microgrids are becoming more attractive because they represent a solution to integrate renewable sources, storage, and electronic loads bringing some advantages in comparison with traditional AC grids ...
Lazzari R., Piegari L.
core   +1 more source

Removal of Real Vegetable Oil Industry Wastewater by Electrocoagulation and Electroflotation Methods

Water and Environment Journal, EarlyView.
This study investigated the effective treatment of real vegetable oil industry wastewater with high pollutant content using electrocoagulation and electroflotation processes with SS316 mesh electrodes. ABSTRACT This study investigated the applicability of environmentally friendly technologies for treating vegetable oil industry wastewater containing ...
Talip Turna, Yalçın Şevki Yıldız
wiley   +1 more source

Arc Characteristics in Multiple Pole DC Circuit Breakers

Due to the absence of zero crossings in a DC current compared to an AC current DC arc extinguishing is difficult in DC circuit breakers DCCB To overcome this difficulty of arc extinguishing DC circuit breakers are frequently designed and built by series ...
Dassanayake, C, Steyn-Ross, A, Gunawardane, K, Kularatna, N, Gurusinghe, N   +4 more
core   +1 more source

Advancements in Z-Source Solid-State Circuit Breakers for Enhanced Protection of DC Distribution Networks: A Comprehensive Review

Active and Passive Electronic Components
DC technologies constitute essential components within the scope of DC distribution networks. All DC networks confront inherent threats, such as DC short-circuit faults, necessitating robust protective measures.
Sabah Daniar, Amirhossein Khosravi Sarvenoee   +1 more
doaj   +1 more source

A Comprehensive Systematic Review of Cyber‐Physical Systems Security: Threats, Challenges, and Defense in ICS/OT Environments

Engineering Reports, Volume 8, Issue 7, July 2026.
Overview of the paper organization, illustrating the hierarchical structure of cybersecurity domains in ICS and CPS, including attack analysis, security approaches, offensive tactics, career guidance, and concluding discussions. ABSTRACT The convergence of operational technology (OT) with IP‐based information systems has exposed industrial control ...
M. A. Khalifa, Ahmad Taher Azar, Walid El‐Shafai   +2 more
wiley   +1 more source

Research on Breaking Function for Two Bidirectional Γ-Source DC Solid-State Circuit Breakers

This paper proposed two bidirectional Γ-source DC circuit breakers (Bi-ΓDCCB1 and Bi-ΓDCCB2) only using diodes and mechanical switches to construct bidirectional topology without introducing passive components, leading to owning a simpler and smaller ...
Xue, Dan, An, Ning, Song, Weizhang, Han, Zhenhong, Wheeler, Patrick, Wang, Chen   +5 more
core   +1 more source

Hydrogen to Power: Exploring Current Developments and Future Challenges

Natural Sciences, Volume 6, Issue 3, July 2026.
As the interest in low‐carbon energy systems grows, hydrogen continues to attract attention as a flexible energy carrier for power applications. Developments in hydrogen production, storage, transport, and utilization are explored. In addition, the deployment challenges of hydrogen energy vector related to economics, infrastructure, safety, and ...
Md. Shafiullah, Muhammad Ahmad, Youssef Awda, M. Maaruf, Muaiz O. Ali, Khalid A. AlShumayri, Syed M. Rahman   +6 more
wiley   +1 more source

Protection of large partitioned MTDC networks using DC-DC converters and circuit breakers

, 2016
This paper proposes a DC fault protection strategy for large multi-terminal HVDC (MTDC) network where MMC based DC-DC converter is configured at strategic locations to allow the large MTDC network to be operated interconnected but partitioned into ...
Xu, Lie, Md Habibur Rahman, Yao, Liangzhong, Lie Xu, Rahman, Md Habibur, Liangzhong Yao   +5 more
core   +1 more source