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heat units
amount of heat given off
depends of the generator and exposure factor
99% of energy is produced into heat
Alternating Current
Sine waves consist of one positive and one negative pulse
hertz is the unit for frquency
single phase rectified current
1.00
three phase 6 pulse
1.35HU
three phase 12 pulse
1.41HU
high frequency
1.45HU
HU equation
HU = kvp x ma x time x generator factor
3 types of rating charts
tube rating charts
anode cooling charts
housing cooling charts