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Development of Induction Heated Hot Water System using Soft Switching PWM High Frequency Inverter
Jong-Kurl Lee(이종걸),Sang-Pil Mun(문상필),Man-Kyu Park(박만규),Mutsuo Nakaoka 한국조명·전기설비학회 2008 한국조명·전기설비학회 학술대회논문집 Vol.2008 No.5월
This paper presents a new conceptual electromagnetic induction eddy current-based stainless steel plate spiral type heater for heat exchanger or dual packs Heater in hot water system boiler steamer and super heated steamer, which is more suitable and acceptable for new generation consumer power applications. In addition, an active clamped quasi resonant PWM high frequency inverter using trench gate IGBTs power module can operate under a principle of zero voltage soft commutation with PWM is developed and demonstrated for a high efficient induction heated hot water system and boiler in the consumer power applications. This consumer induction heater power appliance using active clamp soft switching PWM high-frequency inverter is evaluated and discussed on the basis of the simulation and experimental results.
The Voltage-fed High Frequency Resonant Inverter Using Induction Heated Dry Steam Generator
Chil-Ryong Kim(김칠용),Jong-Kurl Lee(이종걸),Sang-Hwa Jung(정상화),Sang-Pil Mun(문상필),Sang-Don Kim(김상돈),Mutsuo Nakaoka 한국조명·전기설비학회 2008 한국조명·전기설비학회 학술대회논문집 Vol.2008 No.5월
This paper presents an innovative prototype of a new conceptual electromagnetic induction-based fluid heating appliance using voltage-ted type series capacitor-compensated load resonant high-frequency IGBT inverter with a phase-shifted PWM and a power factor correction schemes. Its operating characteristics in steady-state are illustrated including unique features and evaluated on the basis of its computer simulation and experimental results of 10kw breadboard appliance for hot water producer and superheated steamer. The promising cost effective inverter-fed boiler appliances lor electromagnetic induction-heated type fluid-heating in the pipeline systems are proposed for induction-heated boiler, super heat steamer, high temperature water producer, hot gas producer and metal catalyst heating tor exhaust gas cleaning in engine, which are more suitable and acceptable for industrial, chemical, and censurer energy utilization for household and business from a practical point of view.