CARLO GAVAZZI EN61036 Manual de usuario descargar pdf (Pagina 10)

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10

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VT ratio

This function allows the user to se-

lect the value of the VT ratio. Exam-

ple: if the primary of the connected

VT (voltage transformer) is of 20kV

and the secondary is 100V, the VT

ratio will correspond to 200 (obtained

by carrying out the following calcu-

lation: 20000/100).

Choose the “Vt.rAtio” function by

means of the and keys; to

enter the menu press , then se-

lect the desired value by means of

the and keys and confirm

it with .

By changing the VT ratio,

the energy meters are re-

set.

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Dmd calculation

This function allows the user to se-

lect the integration time of the W, VA

demand value. To enter these func-

tions select “P.int t” from the main

menu by the and keys; to

enter in the menu press . Set

the minutes by means of the and

keys and confirm the new value

with .

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Programming

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