Transmission system operators PSE (Poland) and 50Hertz (Germany) signed an Agreement on the Operation of Phase Shifting Transformers (PST) in Warsaw, the Polish capital. PSE commited to install physical Phase Shifting Transformers (pPST) in the Mikułowa substation to strengthen system security. 50Hertz will install pPSTs in Vierraden substation.
> See 50Hertz press release (webpage)
> See PSE press release (webpage)
> Open press release (PDF)