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3.15 DC Load Simulation -- Constant Power Mode
In CP mode, the Load will sink a current according to the programmed power. This mode is
operated under the F/W calculation. That is, take the measured V data, divide the Power
setting and get the I setting value. Besides, it is needed to aware when the output power over
the maximum power can be outputted. The load will show now is already the maximum power
on the panel, the warning of loading power can not be higher.
The CR mode can be set by CP key in the front panel, users can press the arrow key to select
the setting parameters on the LCD display, including power and I
values with the Entry keys.
P s e t = 2 5 0 0 . 0 0 W
V = 0 . 0 0
I = 0 . 0 0
D C
The procedures of setting P
1. Move the cursor to the command line of "P
P s e t = 2 5 0 0 . 0 0 W
2. Press 1 , 5 , 5 , 0 then press ENTER to change the value to "1550.00".
I
Load
Current
Input Voltage
Figure 3-14 Constant Power Mode
I p ( m a x ) = 1 0 0 . 0 0 A
= 1550.00, and I
set
I p ( m a x ) = 1 0 0 . 0 0 A
Power setting
P = V * I
V
(max). Users can type the
p
P = 0 . 0 0
(max) = 30.00, are described as below:
p
=".
set
Local Operation
3-59
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