Technical Data (Modified 2004-03) - ABB SPAF 140 C User Manual And Technical Description

Technical data
(modified 2004-03)
18
Frequency function
Rated frequency
Measuring range
Setting range
Number of cycles to be used for frequency measurement
Operation accuracy
Minimum voltage to be measured
Rate of change of frequency function
Setting range
Operation accuracy
Timer function
Setting range *)
Operate time accuracy
Undervoltage blocking
Measuring range
Setting range
Operation accuracy (in the range 25...70 Hz)
Recovery function
Setting range (max. deviation from rated frequency)
Operate time
Operate time accuracy
*) The minimum operate time depends on the rated frequency and the number of cycles to be
used in the frequency measurement. See frequency measurement in "Description of operation".
30.00...65.00 Hz
20.00...75.00 Hz
25.00...70.00 Hz
3...20 cycles
±10 mHz
0.25 x U
n
0.2...10.0 Hz/s
±150 mHz/s
0.1...300.0 s
±1% or ±30 ms
0...1.40 x U
n
0,30...0.90 x U
n
±3% of setting value
0.1...10.0 Hz
1 s...120 min 59 s
±1% or ±30 ms