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A single-phase full-bridge DC / AC inverter is supplied with a direct voltage of 400 V and modulated with a "voltage can
Posted: Thu Jun 02, 2022 8:58 am
by answerhappygod
- A Single Phase Full Bridge Dc Ac Inverter Is Supplied With A Direct Voltage Of 400 V And Modulated With A Voltage Can 1 (86.76 KiB) Viewed 34 times
A single-phase full-bridge DC / AC inverter is supplied with a direct voltage of 400 V and modulated with a "voltage cancellation switching scheme" as shown below. Calculate the angle B that cancels the third harmonic in the output voltage. VAN DA+ DB+ TE wit A Va B DB- TA- 1.0 0.8- 0.6 0.4 0.2 5th 7th DA- O N (a) TB+ Fundamental Total harmonic distortion 3rd 0 60 (c) Answer alternatives: a) 0° b) 90° c) 30° d) 60° e) 45° 120 180 UBN al a 180 (180-a) B = 180- (b) [L (180-a) (180 a)⁰ tod - (90 - €)