Search Results - "Ryu, Taerim"

Comparative Evaluation of Efficiency and Reliability of Single-Phase Five-Level NPC Inverters for Photovoltaic Systems by Choi, Ui-Min, Ryu, Taerim

“…It is required to reduce the cost of PV energy to be competitive as an alternative energy source. The efficiency and reliability of PV inverters are important…”
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Discontinuous PWM Strategy for Reliability and Efficiency Improvements of Single-Phase Five-Level T-type Inverter by Ryu, Taerim, Choi, Ui-Min

“…Reliability and efficiency improvements of PV inverters have a high potential to decrease the cost of PV energy. Discontinuous PWM is an effective method to…”
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Effect of thermal loading definitions on the mission profile-based reliability evaluation of power devices in PV inverters by Ryu, Taerim, Choi, Ui-Min, Vernica, Ionut, Blaabjerg, Frede

“…The long-term mission profile-based lifetime evaluation of a PV inverter plays an important role in the Design for Reliability approach to ensure the required…”
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Reliability-Oriented Application Method of Discontinuous PWM for Single-Phase Five-Level T-Type NPC Inverter by Ryu, Taerim, Choi, Ui-Min

“…Discontinuous pulsewidth modulation (DPWM) is generally used for improving the efficiency of inverters, but it reduces the power quality. Therefore, in…”
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Reliability-Oriented Asymmetric Power Device Size Selection of Neutral-Point Clamped Inverter Considering Mission Profiles by Ryu, Taerim, Choi, Ui-Min, Blaabjerg, Frede

“…One of the major drawbacks of the NPC inverter is unequal power loss distribution among power devices, which leads to unequal thermal loadings. Therefore,…”
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Reliability-Oriented Optimal DPWM Strategy for Single-Phase Five-Level T-type Inverter in PV Systems by Ryu, Taerim, Choi, Ui-Min

“…Many efforts have been devoted to improving the reliability of PV inverters with a focus on reliability-critical components such as power devices and…”
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Discontinuous PWM for Improving Reliability and Efficiency of Single-Phase Five-Level T-type NPC Inverter with reduced Harmonic Distortion by Ryu, Taerim, Choi, Ui-Min

“…The DPWM aggravates the reliability of DC-link capacitors and the THD of the output current. This paper proposes the DPWM method to improve the reliability of…”
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Influence of Different PWM Methods on Thermal Loadings of Power Devices and DC-link Capacitors of Single-Phase Five-Level T-type NPC Inverter by Ryu, Taerim, Choi, Ui-Min

“…The pulse width modulation (PWM) method significantly affects the performance of inverters such as efficiency, power quality, and reliability. In previous…”
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