Economic Comparison of AC and DC Distribution System

Chen, Xi; Han, Jun; Zhang, Qun; Wang, Qingshan

doi:10.1109/apap47170.2019.9225098

Cited by 4 publications

(2 citation statements)

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“…The prime contender, i.e., renewable energy sources (RESs), are primarily DC. Even though DC power generation was limited initially by its voltage drops and reduced generation voltage, the advancements in power electronics and allied sections of electrical engineering have resolved these problems [5]. Subsequently, the focus on electrical power generation has shifted from fossil fuels to RESs [6] - [8].…”

Section: Introductionmentioning

confidence: 99%

“…5 MW of new or existing PV generation and 2.9 MW of new or existing battery storage -Coordinating a minimum of 30 new or existing charging stations -Project aimed to reduce over 24000 tons of carbon dioxide emissions yearly tronics engineering from College of Engineering Trivandrum, Thiruvananthapuram, India, in 2021, under APJ Abdul Kalam Technological University (APJKTU), Thiruvananthapuram, India. He is currently working as a Systems Engineer at Tata Consultancy Services (TCS), Kochi, Thiruvananthapuram, India.…”

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confidence: 99%

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A Review on Challenges in DC Microgrid Planning and Implementation

Jithin,

Purayil Haridev,

Mayadevi

et al. 2023

Journal of Modern Power Systems and Clean Energy

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DC microgrids are gaining more attention with the increased penetration of various DC sources such as solar photovoltaic systems, fuel cells, batteries, etc., and DC loads. Due to the rapid integration of these components into the existing power system, the importance of DC microgrids has reached a salient point. Compared with conventional AC systems, DC systems are free from synchronization issues, reactive power control, frequency control, etc., and are more reliable and efficient. However, many challenges need to be addressed for utilizing DC power to its full potential. The absence of natural current zero is a significant issue in protecting DC systems. In addition, the stability of the DC microgrid, which relies on inertia, needs to be considered during system design. Moreover, power quality and communication issues are also significant challenges in DC microgrids. This paper presents a review of various value streams of DC microgrids including architectures, protection schemes, power quality, inertia, communication, and economic operation. In addition, comparisons between different microgrid configurations, the state-of-the-art projects of DC microgrid, and future trends are also set forth for further studies.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%