Importance

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Abstract

A position indicator for a tap changer of a tapped transformer comprises

a display device (51) for displaying the current switch position of the tap changer, which display device (51) is stepped with each switchover and which comprises first and second display disks (21, 26);an indicator gear (10) that is coupled to the two display disks (21, 26) for driving them in a switch-direction-dependent manner and which can be coupled to a switching shaft of the tap changer;whereineach display disk (21, 26) comprises sets of numbers in an angularly extending or circular row;with each step one number of the row of numbers on the first display disk (21) and one number of the row of numbers on the second display disk (26) are positioned side by side such that these numbers represent the current switch position of the tap changer expressed as digits combined to form a multi-digit number.

First Claim