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Open Access ORIGINAL RESEARCH
A seven‐level switched‐capacitor based transformerless inverter with modified PWM strategy to enhance the performance of grid‐connected PV systems
Version of Record online: 30 April 2024
This paper introduces a seven-level based transformerless inverter along with a modified pulse width modulation technique to improve the performance of a grid-tied photovoltaic system. The proposed inverter ensures voltage-boosting capability, self-voltage balancing, and low power semiconductor losses.
Open Access ORIGINAL RESEARCH
Investigation into active‐gate‐driving performance and potential closed‐loop controller implementations for silicon carbide MOSFET modules
Version of Record online: 30 April 2024
Switching characteristics of a Silicon Carbide MOSFET module are documented for the single-pulse active gate driving approach and compared to the conventional gate drive case. EMI suppression benefits are quantified with the use of sensors for magnetic (H) and electric (E) fields.
Open Access ORIGINAL RESEARCH
On performance evaluation of high‐power, high‐bandwidth current measurement technologies for SiC switching devices
Version of Record online: 30 April 2024
This work proposes an evaluation method for high-power high-bandwidth current sensors. This method enables the suitability assessment of current sensors for accurately measuring device currents of fast-switching silicon carbide power metal-oxide-semiconductor field-effect transistors. The proposed method employs an established frequency-domain analysis at small-signal excitation levels, but extends this to a time- and frequency-domain analysis at high switched currents at a fast switching speed to more comprehensively determine the current sensor transmission behaviour.
Open Access ORIGINAL RESEARCH
New resonant composite magnetic‐field probes with high detection sensitivity and electric‐field suppression ratio
Version of Record online: 30 April 2024
Two differential magnetic-field resonant probes, consisting of a U-shaped single-loop resonant probe (S_probe) and a dual-loops resonant probe (D_probe), are proposed.
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