Event List Drprdre; Indications Drprdre; Event Recorder Drprdre; Event Function - ABB RED670 Product Manual

Line differential protection RED670 2.1 IEC
Product version: 2.1

Event list DRPRDRE

Continuous event-logging is useful for monitoring the system
from an overview perspective and is a complement to specific
disturbance recorder functions.
The event list logs all binary input signals connected to the
Disturbance recorder function. The list may contain up to 1000
time-tagged events stored in a ring-buffer.

Indications DRPRDRE

To get fast, condensed and reliable information about
disturbances in the primary and/or in the secondary system it is
important to know, for example binary signals that have
changed status during a disturbance. This information is used
in the short perspective to get information via the local HMI in a
straightforward way.
There are three LEDs on the local HMI (green, yellow and red),
which will display status information about the IED and the
Disturbance recorder function (triggered).
The Indication list function shows all selected binary input
signals connected to the Disturbance recorder function that
have changed status during a disturbance.

Event recorder DRPRDRE

Quick, complete and reliable information about disturbances in
the primary and/or in the secondary system is vital, for example,
time-tagged events logged during disturbances. This
information is used for different purposes in the short term (for
example corrective actions) and in the long term (for example
functional analysis).
The event recorder logs all selected binary input signals
connected to the Disturbance recorder function. Each
recording can contain up to 150 time-tagged events.
The event recorder information is available for the disturbances
locally in the IED.
The event recording information is an integrated part of the
disturbance record (Comtrade file).
Trip value recorder DRPRDRE
Information about the pre-fault and fault values for currents and
voltages are vital for the disturbance evaluation.
The Trip value recorder calculates the values of all selected
analog input signals connected to the Disturbance recorder
function. The result is magnitude and phase angle before and
during the fault for each analog input signal.
The trip value recorder information is available for the
disturbances locally in the IED.
The trip value recorder information is an integrated part of the
disturbance record (Comtrade file).
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Disturbance recorder DRPRDRE
The Disturbance recorder function supplies fast, complete and
reliable information about disturbances in the power system. It
facilitates understanding system behavior and related primary
and secondary equipment during and after a disturbance.
Recorded information is used for different purposes in the short
perspective (for example corrective actions) and long
perspective (for example functional analysis).
The Disturbance recorder acquires sampled data from selected
analog- and binary signals connected to the Disturbance
recorder function (maximum 40 analog and 128 binary signals).
The binary signals available are the same as for the event
recorder function.
The function is characterized by great flexibility and is not
dependent on the operation of protection functions. It can
record disturbances not detected by protection functions. Up
to ten seconds of data before the trigger instant can be saved in
the disturbance file.
The disturbance recorder information for up to 100
disturbances are saved in the IED and the local HMI is used to
view the list of recordings.

Event function

When using a Substation Automation system with LON or SPA
communication, time-tagged events can be sent at change or
cyclically from the IED to the station level. These events are
created from any available signal in the IED that is connected to
the Event function (EVENT). The event function block is used for
LON and SPA communication.
Analog and double indication values are also transferred
through EVENT function.
Generic communication function for Single Point indication
SPGAPC
Generic communication function for Single Point indication
SPGAPC is used to send one single logical signal to other
systems or equipment in the substation.
Generic communication function for Measured Value MVGAPC
Generic communication function for Measured Value MVGAPC
function is used to send the instantaneous value of an analog
signal to other systems or equipment in the substation. It can
also be used inside the same IED, to attach a RANGE aspect to
an analog value and to permit measurement supervision on that
value.
Measured value expander block RANGE_XP
The current and voltage measurements functions (CVMMXN,
CMMXU, VMMXU and VNMMXU), current and voltage
sequence measurement functions (CMSQI and VMSQI) and IEC
61850 generic communication I/O functions (MVGAPC) are
provided with measurement supervision functionality. All
measured values can be supervised with four settable limits:
low-low limit, low limit, high limit and high-high limit. The
1MRK 505 346-BEN -
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