Question

The three- phase inverter has a star- connected load of R= 5 ohm and L= 23 mH. The inverter frequency is 60 Hz and the dc input voltage is 220 V.(a) Express the aneous line-to- line voltage and line current in a Fourier series.(b) the RMS line voltage, RMS line current, RMS phase voltage, the THD, the DF, the HF and DF of the LOH and the load power.

Answer 1

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2. The three-ph ase inv erter in Figure 5.5 has a star-conn ected load cons isting of R = 5 oh ms and L = 23 mH. The inverter frequ ency f= 60 Hz and the de input volt age is Vs =220 V. (a) Express the ins tant aneo us line-to-line voltage v. (t) and the line cu rrenti, (t) in Fo ur ier se ries (b) Find the rm s line vo ltage (c) Find the rms phase voltage (d) Find the total harm onic distor tion