ITech IT7900P Series - Constant Power Mode (CP)

Operation and Application
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Under the config menu interface, the user can select Const Mode item and set
the mode to CC.
⚫ Const Mode: load mode
⚫ Resistance setting: set resistance value
Programming the load value (CR)
The user can press [Set] and set the input resistance value in the main interface
of CR mode. Directly set the present value through the knob or press numeric
keys to input the value. In case of wrong input by numeric keys, press
to delete the present input.
6.3.3 Constant Power Mode (CP)
In the constant power mode, the constant power is required for the electronic
load, and the current sinks according to the set power, as shown below. If the
input voltage increases, the input current will decrease to keep the power P (=V
* I) at the set value.
Voltage-current Relation of CP Mode
Select CP mode
Press [Config] and enter to the configuration menu. Select constant mode to
CP.
Load Current
V
I
Set power value
V2
V3
I2
I3
Input
Voltage