ABB REF 54 Series Technical Reference Manual

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Technical Reference Manual, General
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35
• correction parameter for the phase displacement error of the voltage divider
(-1.0000°...1.0000°)
1
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
• amplitude correction factor of general measurement
(-10000.00000...10000.00000)
• correction parameter for the offset correction of general measurement
(-10000.00000...10000.00000)
The measurement values stated by the manufacturer of the measuring device are
used for calculating the correction parameters and factors according to the following
formulas:
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9ROWDJHWUDQVIRUPHUV
5RJRZVNLFRLO
1. Only included in the feeder terminal revisions of the Release 2.0 or later, refer to
section “Revision identification” on page 90. Note that this parameter can only be
set via the HMI or the Relay Setting Tool.
2. Only included in the feeder terminal revisions of the Release 2.0 or later.
Amplitude error at current I
n
(e = error in per cent)
Amplitude correction factor 1
= 1 / ( 1+ e/100 )
Amplitude error at current 0.01 x I
n
(e = error in per cent)
Amplitude correction factor 2
= 1 / ( 1+ e/100 )
Phase displacement error at current I
n
(e = error in degrees)
Phase displacement error 1 = - e
Phase displacement error at current 0.01 x I
n
(e = error in degrees)
Phase displacement error 2 = - e
Amplitude error at voltage U
n
(e = error in per cent)
Amplitude correction factor
= 1 / ( 1+ e/100 )
Phase displacement error at voltage U
n
(e = error in degrees)
Phase displacement error = - e
Amplitude error at the whole measuring range
(e = error in per cent)
Amplitude correction factor
= 1 / ( 1+ e/100 )
Phase displacement error at the whole measuring
range (e = error in degrees)
Phase displacement error = - e

ABB REF 54 Series Specifications

General

Brand	ABB
Model	REF 54 Series
Category	Touch terminals
Language	English