22
P Output power (only for ...H RLP1)
If the load resistance changes, e.g. due to temperature, ageing or
load interrupt, the variables influencing the load change.
Tab. 1 Effects of a change in the load resistance
Control mode
Load resistance becomes smaller
Load resistance becomes greater
P U
Load
I
Load
P U
Load
I
Load
U greater = greater smaller = smaller
U
2
greater = greater smaller = smaller
I*
1
smaller smaller = greater greater =
I
2
*
1
smaller smaller = greater greater =
P
*
2
=
smaller
greater = greater smaller
(
*
1
for ...H RL1 and ...H RLP1,
*
2
only for ...H RLP1)