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3.1.4 Constant Power Mode (CW)
In CW mode, the E-load will cause a constant power to be dissipated in the load.
As shown in the figure below, if the input voltage rises, the input current will decrease and
the power P(=V * I) will remain constant at the level of setup power.
Figure 3.4 CW mode
In CW mode, the E-load provides two methods to set the constant power value.
1) In CW mode, use the numeric keys to input the power value, press the key
to
confirm the setup constant power value, and press the key
to on/off the loading test.
2) Press the key
to move the cursor position and press the key to adjust the value
at the corresponding position.
In CW mode, the working loop of the instrument can be modified. (see parameter settings)
I
V
V2
V3
I2
I3
Power set
Load current
Load input
voltage
I
V
V2
V3
I2
I3
Power set
Load current
Load input
voltage
ET System electronic GmbH
