Definition(s)
Variable Speed Drive
A system using a VFD. Pumps that use VFD have the same system curve but the changed rotational speed creates a new pump curve and operating point.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards
Oil & Gas Drilling Glossary - IADCLexicon.org
A system using a VFD. Pumps that use VFD have the same system curve but the changed rotational speed creates a new pump curve and operating point.
Source: IADC UBO / MPD Glossary, December 2011. Global Standards