Efficient Networks S120 manual Band-stop with infinite notch depth, Starter filter parameters

Models: S120

1 560
Download 560 pages 21.93 Kb
Page 80
Image 80

Servo control

3.7 Current setpoint filter

Table 3-2

Example of a PT2 filter

 

 

 

 

 

 

 

 

 

STARTER filter parameters

Amplitude log frequency curve

Phase frequency curve

Characteristic frequency fN 500 Hz

 

 

 

 

 

I1 +]

 

 

Damping DN 0.7 dB

 

 

 

 

G%

 

 

 

 

 

 

 

 

Band-stop with infinite notch depth

Table 3-3

Example of band-stop with infinite notch depth

 

 

 

 

 

 

 

 

 

STARTER filter parameters

Amplitude log frequency curve

Phase frequency curve

Blocking frequency fSp = 500 Hz

 

 

 

 

 

 

 

 

I%% +]

 

 

Bandwidth (-3 dB) fBB = 500 Hz

 

 

 

 

 

 

 

 

 

 

Notch depth K = -∞ dB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reduction Abs = 0 dB

 

 

 

 

 

 

 

I  +]

Simplified conversion to parameters for general order filters: Reduction or increase after the blocking frequency (Abs) Infinite notch depth at the blocking frequency

● Numerator frequency fZ = fSp ● Numerator damping DZ = 0

● Denominator natural frequency fN = fSp

 



 

I%%

● Denominator damping

'



 

1

ವI6S

80

Drive Functions

Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4

Page 80
Image 80
Efficient Networks S120 manual Band-stop with infinite notch depth, Starter filter parameters, Phase frequency curve