ABB REV615 User Manual

Table 38. Residual overvoltage protection (ROVPTOV) main settings
Parameter Function Value (Range) Step
Start value ROVPTOV 0.010...1.000 × U
n
0.001
Operate delay time ROVPTOV 40...300000 ms 1
Table 39. Three-phase undervoltage protection (PHPTUV)
Characteristic Value
Operation accuracy Depending on the frequency of the voltage measured: f
n
±2 Hz
±1.5% of the set value or ±0.002 × U
n
Start time
1)2)
Minimum Typical Maximum
U
Fault
= 0.9 × set Start value
62 ms 66 ms 70 ms
Reset time Typically 40 ms
Reset ratio Depends on the set Relative hysteresis
Retardation time <35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms
3)
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1) Start value = 1.0 × U
n
, Voltage before fault = 1.1 × U
n
, f
n
= 50 Hz, undervoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on statistical
distribution of 1000 measurements
2) Includes the delay of the signal output contact
3) Minimum Start value = 0.50, Start value multiples in range of 0.90...0.20
Table 40. Three-phase undervoltage protection (PHPTUV) main settings
Parameter
Function Value (Range) Step
Start value PHPTUV 0.05...1.20 × U
n
0.01
Time multiplier PHPTUV 0.05...15.00 0.01
Operate delay time PHPTUV 60...300000 ms 10
Operating curve type
1)
PHPTUV Definite or inverse time
Curve type: 5, 15, 21, 22, 23
1) For further reference, see the Operation characteristics table
Capacitor Bank Protection and Control
1MRS757952 D
REV615
Product version: 5.0 FP1
32 ABB

ABB REV615 Specifications

General

Brand	ABB
Model	REV615
Category	Power distribution unit
Language	English