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1. Introduction
This part of the user manual describes the protection functions,
provides application examples and contains technical data.
The numerical VAMP line protection device includes as main
protection full scheme distance and line differential protection
functions backed up with several standard protection functions
needed in protection schemes of medium voltage and sub-
transmission overhead lines and cables in utilities, industry,
power plants and offshore applications.
Further, the device includes several sophisticated back-up and
monitoring functions, such as autoreclosing, synchrocheck, arc
(option), trip circuit supervision and circuit breaker monitoring
and also communication protocols for various communication
solutions including native IEC 61850.
Figure 1-1. Applications of the line protection device
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