Parameterizable Bandstop Filters For Active Infeed Controls In Chassis Format - Siemens SINAMICS S120 Function Manual

1.1.4

Parameterizable bandstop filters for Active Infeed Controls in chassis format

Parameterizable bandstop filters that can be used to dampen system resonance are
available for the current control loop. The main application for these bandstop filters is in
weak networks in which the resonance point of the line filter can drop to one quarter of the
controller frequency. Resonance effects in oscillating line supplies can be suppressed with
the aid of these bandstop filters.
"Additional closed-loop controls" function module
The filters are managed in the "Additional closed-loop controls" function module.
You can activate and configure the parameterizable bandstop filters for the Active Infeed via
the following parameters:
● Negative phase-sequence system control (p3639 ff)
● Fixed setpoints (p2900 ff)
● Output voltage setpoint filter; activation with p5200.0 = 1
● Actual current value filter; activation with p5200.2 = 1
● Vdc actual value filter; activation with p1656.4 = 1
Function diagrams (see SINAMICS S120/S150 List Manual)
• 8940
• 8946
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Active Infeed - Controller modulation depth reserve / controller DC-link voltage
(p3400.0 = 0)
Active Infeed - Current precontrol / current controller / gating unit (p3400.0 = 0)
Infeed
1.1 Active Infeed
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