Metering - ABB Relion 650 Series Product Manual

Breaker protection REQ650
Version 1.1 IEC
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).
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 report function (maximum 40 analog and
96 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.
The disturbance recorder information for the last 100
disturbances are saved in the IED and the local HMI is
used to view the list of recordings.
Measured value expander block MVEXP
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 (MVGGIO) 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 measure value
expander block has been introduced to enable
translating the integer output signal from the
measuring functions to 5 binary signals: below low-low
limit, below low limit, normal, above high-high limit or
above high limit. The output signals can be used as
conditions in the configurable logic or for alarming
purpose.
Station battery supervision SPVNZBAT
The station battery supervision function SPVNZBAT is
used for monitoring battery terminal voltage.
SPVNZBAT activates the start and alarm outputs when
the battery terminal voltage exceeds the set upper limit
or drops below the set lower limit. A time delay for the
overvoltage and undervoltage alarms can be set
according to definite time characteristics.
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In the definite time (DT) mode, SPVNZBAT operates
after a predefined operate time and resets when the
battery undervoltage or overvoltage condition
disappears.
Insulation gas monitoring function SSIMG
Insulation gas monitoring function (SSIMG) is used for
monitoring the circuit breaker condition. Binary
information based on the gas pressure in the circuit
breaker is used as input signals to the function. In
addition, the function generates alarms based on
received information.
Insulation liquid monitoring function SSIML
Insulation liquid monitoring function (SSIML) is used for
monitoring the circuit breaker condition. Binary
information based on the oil level in the circuit breaker
is used as input signals to the function. In addition, the
function generates alarms based on received
information.
Circuit breaker monitoring SSCBR
The circuit breaker condition monitoring function SSCBR
is used to monitor different parameters of the circuit
breaker. The breaker requires maintenance when the
number of operations has reached a predefined value.
The energy is calculated from the measured input
y
currents as a sum of I t values. Alarms are generated
when the calculated values exceed the threshold
settings.
The function contains a blocking functionality. It is
possible to block the function outputs, if desired.

11. Metering

Pulse counter logic PCGGIO
Pulse counter (PCGGIO) function counts externally
generated binary pulses, for instance pulses coming
from an external energy meter, for calculation of energy
consumption values. The pulses are captured by the BIO
(binary input/output) module and then read by the
PCGGIO function. A scaled service value is available over
the station bus.
Function for energy calculation and demand
handling ETPMMTR
Outputs from the Measurements (CVMMXN) function
can be used to calculate energy consumption. Active as
well as reactive values are calculated in import and
export direction. Values can be read or generated as
pulses. Maximum demand power values are also
calculated by the function.
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