Registry 2025 - Generator and Heat Unit values

Single phase heat unit factor

1

3 phase, 6 pulse heat unit factor

1.35

3 phase, 12 pulse heat unit factor

1.41

high frequency heat unit factor

1.45

Single phase generators

- Full-wave rectified

- 120 pulses per second

- Voltage ripple 100% (voltage drops to 0 between pulses)

- average kV produced is 33% of the set kVp. less efficient.

3 phase, 6 pulse generator

- 3 sources of AC current

- 360 pulse per second

- voltage ripple 13% to 18% (never drops to zero between pulses)

- average kV produced is 91% of the set kVp.

3 phase, 12 pulse generator

- 3 sources of AC current

- 720 pulse per second

- voltage ripple 4% (never drops to zero between pulses)

- average kV produced is 97% of the set kVp.

high frequency generator

- voltage ripple 1% (never drops to zero)

- average kV produced is 99% of the set kVp. The most efficient