Interpreter for Interlock Equations in Substations

Task

Designing of a VBA application using MS Excel for the checking and conversion of interlock equations for a substation in the airport area. These equations control high voltage contactors.

Requirements

  • Processing and interpretation of multiple packed boolean equations
  • Automatic mass interpretation
  • Higher security demands on the application reliability
  • Export of the results as a text that can be interpreted from an external compiler
Microsoft Excel Application

Solution

Designing of an interpreter for boolean equations using Excel VBA. Multilevel result checks for an unambiguous verification. Error reduction because of easiest use of the software.