Question

A purely inductive, balanced, Y-connected load having an inductance L per phase, is fed by the three-phase half-bridge inverter shown below in Figure Q5. The inverter is operated in the square-wave mode (meaning that the pole voltages are square waves) with a frequency fs.

A purely inductive, balanced, Y-connected load having an inductance L per phase, is fed biy the three-phase half-bridge inverter shown below in Figure Q5. The inverter is operated in the square-wave mode (meaning that the pole voltages are square waves) with a frequency fs. (i) Sketch phase-to-neutral voltage Van (show all important voltage and time values) and find its rms value van,ms. i) Find the peak-to-peak value (Ipp) of the line current ia in terms of L and fs. ν, Figure Q5. Three-phase half-bridge inverter

Answer 1

0 an ? 4o 30006 300 36 bo ole Sqya/e wares to phase diglaca Co

fmn。° to 60° , circuit u e have at look A1'ck an an 3 an an 3 tv an 久서

3 3 Ian ln 3 3 3 3

3 ve peak ofe cnet Van(feak) 3 3 .. reak to Peak Ahe current, Am- M& 3 37
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