Design and Implementation of Paralleled Inverters with LCLC Resonant Tanks to Generate Plasma for Surface Treatment Applications

Wu, Tsai‐Fu; Kumari, A.; Yu, Ling-Chia; Chen, Kuan‐Chung

doi:10.1109/ecce44975.2020.9235633

Cited by 1 publication

(2 citation statements)

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“…The selection of the most appropriate resonant tank (RT) for the inverters is determined through a sensitivity analysis of 2 nd , 3 rd , and 4 th order RTs, considering variations in components. They are performed based on their input to output voltage transfer functions with the fundamental frequency approximation [15]. The sensitivities to the component variations are used as criteria to select a proper resonant tank.…”

Section: Design Gain Plot and Sensitivity Analyses Of Resonant Tanksmentioning

confidence: 99%

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Investigation of Paralleled Inverters With Various-Order LC Resonant Tanks for Possible Surface Treatment Applications

Kumari,

Wu,

Chang

2024

IEEE Access

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This paper presents an investigation of paralleled inverters with LC, LCC, and LCLC resonant tanks (RTs) to generate plasma sources for possible material surface treatment. Based on the aspects of sensitivity, gain plots, simulation results, and output current total harmonic distortion (THD), the configurations of an LC, LCC, LCLC-A, and LCLC-D′ RTs are discussed. The inverters with the three types of RTs and with the phase shift and phase-difference controls are addressed. Unified phase shift and phase difference controls are adopted to achieve identical output currents. Simulated results of two and three module inverter systems with modular discrepancy have demonstrated the analyses and discussions. Hardware measurements of two (10kW) and three (15kW) inverter systems have been also presented to further verify the theoretical analyses and the control schemes. The measured efficiency of the prototype reaches 94% and THD is 1.52%. The significant contributions of this paper are the comparison of the three types of RTs and the selection of the most suitable RT for the application.

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Section: Design Gain Plot and Sensitivity Analyses Of Resonant Tanksmentioning

confidence: 99%

“…The sensitivity analysis of inductor L and capacitors C1 and C2 can be derived by plugging in the values of R = 42 Ω, L = 45.69 μH, and C1 = C2 = 388.51 nF into equations ( 14), (15), and ( 16), respectively.…”

Section: Sensitivities Of the 3 Rd Order Rt To L C1 And C2mentioning

confidence: 99%