FAQ No. FAQ01994
Question
What is the calorific value of the G3PX
Power Controllers?
Answer
When the G3PX is turned ON and has a load current, residual voltage
appears in the switching element. The calculation for calorific value is
shown below.
Example:
VRMS (residual voltage) for G3PX-220EUN (rated current 20 A) = 1.6 V
(catalog output ON voltage drop) when power consumption is P:
P=20A×1.6V
P=32W
This is the power consumption of the G3PX.
To convert to calories:
4.19 W per 1 cal/s
=32W÷4.19
=approx.7.6cal/s
Residual voltage is the voltage loss inside the semiconductor when the
semiconductor turns ON.
Other Power Controller
FAQs
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