GE Industrial Solutions 6KCV300WPD User Manual
Page 192
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GEL100340
Low-Pass-Filter
Law-Pass-Filter
Description
It performs a discrete first order low pass filter. User can set the time constant
It is possible to
Reset the output, or Disable the calculation.
It is the discretization of the continuous first order low pass filter, described by the following
transfer
function:
1
where
is the time constant of the filter and
is the cut-off frequency and.
The relation between these two values is:
while the relation with the cut-off frequency [Hz] is:
The pole zero matching is used to get the following discrete transfer function
1 8 2
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