How to tune "DC & AC voltage control override" (VSC-HVDC demo)

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Hello everybody,
Does anybody know how to tune the controllers "DC Voltage Control Override" and "AC Voltage Control Override"? They are both included in the demo about VSC-HVDC link.
Thanks, Ana

Answers (1)

Silvano Casoria
Silvano Casoria on 21 Nov 2012
In the documentation "VSC-Based HVDC Link", we can read:
_[...] The AC Voltage control override block, based on two PI regulators, will override the reactive power regulator to maintain the PCC AC voltage within a secure range, especially in steady-state.
[...] The DC Voltage control override block, based on two PI regulators, will override the active power regulator to maintain the DC voltage within a secure range, especially during a perturbation in the AC system of the station controlling the DC voltage._
You can adjust the PI regulators and their range of operation in the VSC Controller mask.
  2 Comments
zain yousaf
zain yousaf on 12 Jul 2017
but sir how you can make a relation between PI and DC Voltage control override block?
Walter Roberson
Walter Roberson on 12 Jul 2017
Note: Silvano Casoria would not have been notified of your question, and probably is not checking for updates 4 1/2 years later. You can click on his name to send a question through his profile.

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