Technical description
1 Introduction
1.1 Main features
VM50.EN004
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1.
Introduction
This part of the user manual describes the protection functions,
provides a few application examples and contains technical
data.
The numerical VAMP device includes all the essential
overcurrent and earthfault protection functions needed.
Further, the device includes several programmable functions,
such as arc (option), thermal, trip circuit supervision and
circuit breaker protection and communication protocols for
various protection and communication situations.
1.1.
Main features
Fully digital signal handling with powerful microprocessor
technology, and high measuring accuracy on all the setting
ranges due to an accurate A/D conversion technique.
Complete set of function for the proper protection of lines,
motors
The device can be matched to the requirements of the
application by disabling the functions that are not needed.
Flexible control and blocking possibilities due to digital
signal control inputs (DI) and outputs (DO).
Easy adaptability of the device to various substations and
alarm systems due to flexible signal-grouping matrix in the
device.
Possibility to control objects (e.g. circuit-breakers,
disconnectors) from relay HMI or SCADA/automation
system
Freely configurable large display with six measurement
values.
Freely configurable interlocking schemes with basic logic
functions.
Recording of events and fault values into an event register
from which the data can be read via relay HMI or by means
of a PC based VAMPSET user interface.
All events, indications, parameters and waveforms are in
non-volatile memory.
Easy configuration, parameterisation and reading of
information via local HMI, or with a VAMPSET user
interface.
Easy connection to power plant automation system due to
several available communication protocols. Native
IEC61850 implementation is available as option.
