Disturbance Recorder; Analogue Inputs - ABB RELION REB500 Operation Manual

Section 4
HMI500
by a green LED. All other (undefined) combinations of the binary input signals (0 0 or 1 1)
are indicated by a yellow LED.
The Status LED on LMI dialog box is saved by clicking OK. The dialog box LMI LED
configuration is active again and a print of the LED labels can be started by clicking Print
Labels now. Before initiating a print job, the Print Range as well as the Label Orientation shall
be adjusted.
4.6.8

Disturbance recorder

4.6.8.1

Analogue inputs

Bay Units
The currents measured by the four analogue inputs are always recorded. The five voltage
inputs may only be recorded providing they have been licensed and engineered (optional).
The recording time is doubled if the voltage channels are not activated.
Central Unit
The differential and restraint currents and in addition the phase angle difference (hereinafter
referred to as phase difference) of the currents are recorded per phase (L1..L3, L0) and bus
zone. In the event that several bus zones are interconnected to (L1..L3, L0) and bus zone. In the
event that several bus zones are interconnected to one protection zone, each bus zone shows
the same measurement values.
The phase difference is only recorded, if it is enabled in the Recording tab of the CU
disturbance recorder configuration (see
The following diagram is an example of a phase difference record where no BBP trip occurred
(since phase difference value is constantly above the trip range).
IEC19000205 V1 EN-US
Figure 50: Example of a phase difference record
For more information about the phase comparison algorithm, see
section
56
Phase comparison .
Remarks concerning the phase difference recording:
If the phase difference is activated, maximal four additional analogue channels
per bus zone are recorded. (The maximal amount of recorded analogue
channels per bus zone for currents and phase difference is 12). For larger
systems this will cause a considerable amount of data which must be handled
by a disturbance recorder evaluation program.
Particular display situations:
• If in a protection zone all phase measurements are invalid (for example,
because the currents are below the phase comparison settings), the value
-1 is recorded.
• If in a protection zone only one phase measurement is valid, the value "0" is
recorded.
• The measuring range of the phase difference is 0 .. 3142 mrad (0° .. 180°).
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18000080-IEC19000205-1-en.vsdx
Distributed busbar protection REB500
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