Scenario Analysis for the Achievement of the 2030 National Greenhouse Gas Reduction Goal in the Korean Electricity Sector

Kwon, Pil Seok; Kim, Sungjin

doi:10.15301/jepa.2017.25.2.129

Cited by 5 publications

(3 citation statements)

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“…According to the activity plan of renewable energy sources, local governments and renewable energy producers are actively installing and operating large scale PV systems in the distribution system. However, when the PV systems were interconnected and operated in distribution systems, many problems related to power quality such as voltage fluctuation in distribution system have occurred [1][2][3][4][5]. Under these circumstances, the power company has installed SVR in order to keep voltages of customers within allowable voltage limits in distribution feeders with PV systems [6,7].…”

Section: Introductionmentioning

confidence: 99%

Voltage Control Method of Micro Hydropower Generators for Voltage Stabilization in Distribution Feeder with Renewable Energy Sources

2020

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This paper analyses the problem of voltage control by step voltage regulator (SVR) in the primary feeder with large-scaled PV systems, and presents operation ranges and the voltage control limit of micro hydropower generator (MHG) with power factor (PF) control function. In addition, this paper evaluates the voltage impact in primary feeders depending on voltage control modes of MHG, and then proposes an optimal voltage control algorithm. Furthermore, from the simulation results based on the proposed algorithm, it is verified that it can contribute to voltage stabilization in the distribution system with large-scaled PV systems.

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Section: Introductionmentioning

confidence: 99%

Voltage Control Method of Micro Hydropower Generators for Voltage Stabilization in Distribution Feeder with Renewable Energy Sources

2020

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“…Environment, as a cross-cutting issue, receives enormous attention, especially after the Paris climate regime was launched (Kwon et al, 2017;Jin et al, 2017). A main concern is that environmental policies should coordinate with energy policies and prices since energy prices influence environmental qualities and global warming significantly.…”

Section: Introductionmentioning

confidence: 99%

The Asymmetric Response of Korean Gasoline Prices to Changes in Crude Oil Prices

Boram¹,

Han²,

Yong³

2018

jepa

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The asymmetric relationship between the prices of crude oil and gasoline has been described as "rockets and feathers." This study examines the relationship between the prices of Dubai crude oil and Korean gasoline using the error correction model (ECM). To account for time-varying heteroscedasticity in the asymmetric ECM, this study applies the ECM exponential generalized autoregressive conditional heteroscedasticity (EGARCH) and ECM power autoregressive conditional heteroscedasticity (PARCH) models. The results show evidence of the asymmetric responses of Korean gasoline prices to Dubai oil price shocks in daily data. Specifically, positive price shocks in Dubai oil prices have a greater impact on domestic gasoline prices compared to negative price shocks. This suggests that the asymmetric gasoline price responses to crude oil price may be induced by the oligopolistic market structure of refiners.

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“…또한, 우리 정부는 최근 지구 온난화에 대비한 국제사회 및 정부 정책의 한 기조로 온실가스 감축 과 환경규제에 대응하기 위하여 전기차(EV : Electric Vehicle)의 개발과 보급을 활발하게 추진하고 있다 (Kim, Lee, & Lee, 2017;Kwon & Kim, 2017). Kim, Hong, Jung, & Choi, 2016).…”

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Conceptual design and operation testing of military movable noiseless power supplier (MNPS)

2021

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This study verifies the concept and test of the MNPS owing to the increase in advanced weapon systems used in the Korean defense field. MNPS used solar power to eliminate noise, a risk factor of the existing power supply systems, and it was designed in a size that can be mounted on a small tactical vehicle in various battlefield situations. When sunlight is used as a power supplier, in case there is no light, its use is limited; therefore, it can be used after charging through an energy storage device. In addition, it was designed considering scalability to increase the amount of electricity generated through the solar panel or increase the storage capacity. Finally, the power characteristics were analyzed through a test to determine if the output was constant, and through this, it was possible to confirm its feasibility of use for military purposes.

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Scenario Analysis for the Achievement of the 2030 National Greenhouse Gas Reduction Goal in the Korean Electricity Sector

Cited by 5 publications

References 0 publications

Voltage Control Method of Micro Hydropower Generators for Voltage Stabilization in Distribution Feeder with Renewable Energy Sources

Voltage Control Method of Micro Hydropower Generators for Voltage Stabilization in Distribution Feeder with Renewable Energy Sources

The Asymmetric Response of Korean Gasoline Prices to Changes in Crude Oil Prices

Conceptual design and operation testing of military movable noiseless power supplier (MNPS)

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