Handbook for Sound Engineers

Power Supplies 671

Table 19.1 Rectifier Circuit Chart (Continued)

+ + +

Three-Phase

Bridge

Six-Phase Stat

(Three Phase Diametric)

Three-Phase Double Wye with

Interphase Transformer

0V 0V 0V

6 6 6

1.00 1.00 1.00 × Average dc voltage output

1.05 1.05 1.05 × Average dc voltage output

1.05 2.09 2.42 × Average dc voltage output

2.45 2.83 2.83 × Rms secondary volts per

transformer leg

1.41 1.41 1.41 (diametric) × Rms sec. volts line-to-line

1.00 1.00 1.00 × Average dc output current

0.333 0.167 0.167 × Average dc output current

0.579 0.409 0.293 × Average dc output current

0.578 0.408 0.289 × Average dc output current

1.05 1.05 0.525 × Average dc output current

1.00 1.00 0.500 × Average dc output current

3.15 6.30 3.15

3.00 6.00 3.00

4.2% 4.2% 4.2%

6 6 6 × Line frequency, f

Inductive Load or Large Choke Input Filter

0.428 0.740 0.855 × Average dc voltage output

(to neutral) (to neutral) (to neutral)

0.740 1.48 (max) 1.71 (max-no load) × Average dc voltage output

0.816 0.408 0.289 × Average dc output current

1.05 1.81 1.48 × Dc watts output

0.816 0.577 0.408 × Average dc output current

1.05 .28 1.05 × Dc watts output

1.05 1.55 1.26 × Dc watts output

1.41 0.817 0.707 × (Avg. load current × Sec.

leg voltage)/primary line V

0.955 0.955 0.955

−

−

−