The heat pipe is a purely resistive load whose power = voltage × current
The relationship between active power and current and voltage in a single-phase AC circuit is: P=U×I
When the formula is used in a purely resistive circuit, it can be written as: W=V×A
W——the unit of calculation of the active power P;
V——the unit of calculation of the voltage;
A - the unit of calculation of the current.
The current and power relationship of a three-phase four-wire 380/220 symmetrical pure resistive load is:
P=I÷1.44 / I=P×1.44