Abstract—Efficient generation and delivery of high-frequency (HF, 3-30 MHz) power into variable load impedances is difficult, resulting in HF inverter (or power amplifier) systems that are bulky, expensive and inefficient.
In many applications, it is important for an inverter to be lightweight and of a relatively small size. This can be achieved by using a High-Frequency Inverter that involves an isolated DC-DC stage (Voltage Fed Push-Pull/Full Bridge) and the DC-AC section, which provides the AC output.
In practice, one can utilize any type inverter suitable for HF operation under resistive/inductive loading; amplitude control of the individual inverters can be realized through any suitable means (e.g., supply voltage modulation, phase-shift or outphasing control, pulse-width modulation, etc.).
frequency (HF) inverter for induction heating applications. metal forming purposes. Three different switching frequency cases were considered and simulated. T he PWM sw itching control meth od was employed to regulate the output p ower. resonance frequency. The p roposed system proved to be effective for metal treat ment induction heating systems.
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An ANN controller for frequency control uses a dynamic method to manage an inverter''s output frequency by modifying the firing angle of the triggering pulse in response to …
The invented high-frequency inverter system enables HF power delivery directly into highly variable impedance loads with a relatively high efficiency. A pair of inverters are …
Abstract—Efficient generation and delivery of high-frequency (HF, 3-30 MHz) power into variable load impedances is difficult, resulting in HF inverter (or power amplifier) systems …
dc–ac converter 29 High-Frequency Inverters, the HF transformer is incorporated into the integrated structure. In the subsequent sections, based on HF architectures, we …
High-frequency link matrix converters and inverters represent a transformative development in power electronics, combining direct AC–AC conversion with high-frequency …
ABSTRACT The High-Frequency Inverter is mainly used today in uninterruptible power supply systems, AC motor drives, induction heating and renewable energy source …
This paper presents a closed-loop controller design approach for a single-phase (1ϕ) pulse-width modulated (PWM) high frequency (HF) AC inverter, supplying the non-linear …
To enhance the operating performance of the axial field flux-switching permanent magnet motor (AFFSPMM) at low speeds and minimize the rotor position inaccuracies …
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