Function Block Diagrams - Siemens SINAMICS S120 System Manual

Commissioning
7.7 Commissioning the grid droop control
Harmonics controller
● p5440 Harmonics controller bandpass filter activation
● p5441[0...3] Harmonics controller bandpass filter gain
● p5442[0...3] Harmonics controller bandpass filter mid-frequency
● p5443 Harmonics controller bandpass filter gain total
Current hysteresis controller
● p5451 BI: Current hysteresis controller operating mode
● r5452.0...3 CO/BO: Current hysteresis controller sequence control status word
● p5453[0...5] Current hysteresis controller overcurrent limit
● p5454[0...5] Current hysteresis controller overcurrent hysteresis width
● p5455[0...5] Current hysteresis controller overcurrent tolerance range
● p5456[0...2] Current hysteresis controller configuration
● p5457[0...2] Current hysteresis controller pulse frequency changeover
● p5458[0...1] Current hysteresis controller minimum time operating state
● p5459[0...3] Current hysteresis controller sequence control state change
Others
● p1241 Vdc_max controller switch-in level
● p1245 Vdc_min controller switch-in level
● p1250 Vdc controller proportional gain
7.7.4

Function block diagrams

● 7982 Line droop, voltage correction
● 7983 Direct component control, harmonics control
● 7984 Modulation depth control
● 7986 Sequence control, overcurrent
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System Manual, 04/2015, A5E03347436A
Grid infeed