Vanguard VCBA S2 (DigiTMR S2, DigiTMR S2 PC, CT-6500 S2, CT Manual de usuario descargar pdf (Pagina 63)

REV 3 VCBA S2 VERSION 4.xx SOFTWARE MANUAL

NOTES

• Manual Stroke allows the user to define a scaling factor for the velocity

calculation. If the stroke is measured as 5 inches by the travel transducer,

using a manual stroke of 10 inches will scale the velocity calculations as a 2-to-

1 ratio.

• V = C / Time(AP1 to AP2): Velocity is calculated by a user-defined constant

divided by the time (in milliseconds) between analysis point #1 and analysis

point #2.

• V = C * Dist(AP1 to AP2) / Stroke: Velocity is calculated by a user-defined

constant multiplied by the distance between analysis point #1 to analysis point

#2, then divided by the breaker’s stroke. This formula is often used to calculate

velocity in the new Siemens SPS or TPC breakers.

• V = C / Delta T: Velocity calculation is defined by constant C divided by a

constant Delta T.

• Disabled: No formula is used.

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Vanguard VCBA S2 (DigiTMR S2, DigiTMR S2 PC, CT-6500 S2, CT Manual de usuario Pagina 63