VAD, VAG (GB) - System Control Engineering
VAD, VAG (GB) - System Control Engineering
VAD, VAG (GB) - System Control Engineering
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Function<br />
The governor is closed when it is disconnected<br />
from the power supply.<br />
Opening: Alternating voltage is applied<br />
and fed to the solenoid coil via<br />
a rectifier with a suppressor circuit.<br />
The blue LED lights up. The coil’s<br />
magnetic field pulls the armature<br />
upwards and clears the supply<br />
nozzle for the gas inlet pressure p e .<br />
The gas passes through the internal<br />
impulse tube to the adjustment diaphragm<br />
and then pushes the valve<br />
seat open. The outlet pressure is applied<br />
to the servo-diaphragm via the<br />
internal bypass. The servo-governor<br />
then maintains a set constant outlet<br />
pressure p G .<br />
Governor for gas <strong>VAD</strong><br />
The nominal outlet pressure p G is<br />
defined by the control spring.<br />
<br />
<strong>VAD</strong>, <strong>VAG</strong> · Edition 3.04<br />
9
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