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Questions related from Eduardo Francis Carvalho Freitas
In an AC/DC-AC (DC Link) with TRU 12 pulse diode, dc link and a controlled 12 pulse IGBT inverter, the power factor at the generator terminals decreases about 2% if the generator output voltage...
04 December 2015 7,724 11 View
For a 12 pulse diode rectifier is it necessary a transformer for a phase shift of 30 degrees. What is the difference between the Y/Y/D and D/Y/D transformers for 12-pulse rectifier?
30 November 2015 2,862 8 View
THDv, THDi and PF at the generator terminals of an AC/DC-AC converter. Why is it necessary to correct these parameters at the generator terminals when these parameters are already corrected at the...
19 November 2015 765 4 View
What contributes to low power factor in the generator terminal? I am using a generator 40KvA, 230Vrms and 400Hz and controlling its field excitation in order to obtain 270VDC in the Dc-Link. The...
15 November 2015 6,603 4 View