Efficient voltage converter employs capacitive instead of transformer coupling to provide dc isolation. Offers buck/boost operation, minimal filtering, and low parts count, with possible application in photovoltaic power inverters, power supplies and battery charges. In photovoltaic inverter circuit with transformerless converter, Q2, Q3, Q4, and Q5 form line-commutated inverter. Switching losses and stresses nil because switching performed when current is zero.
Transformerless dc-Isolated Converter
NASA Tech Briefs ; 11 , 5
1987-05-01
Miscellaneous
No indication
English
Transformerless, current-isolated onboard charger with solid-state switching controls
European Patent Office | 2018
|TRANSFORMERLESS, CURRENT-ISOLATED ONBOARD CHARGER WITH SOLID-STATE SWITCHING CONTROLS
European Patent Office | 2017
|An Analysis of a Transformerless Dual Active Half-Bridge Converter
Online Contents | 2022
|