ABB REF615 L User Manual

4.5.5.8 Monitored data
Table 419: PSPTUV Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time /
operate time
PSPTUV Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.5.9 Technical data
Table 420: PSPTUV Technical data
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 x U
n
Start time
1)2)
Minimum Typical Maximum
U
Fault
= 0.99 x set Start
value
U
Fault
= 0.9 x set Start
value
51 ms
43 ms
53 ms
45 ms
54 ms
46 ms
Reset time < 40 ms
Reset ratio Depends of the set Relative hysteresis
Retardation time < 35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…
1) Start value = 1.0 x U
n
, Positive sequence voltage before fault = 1.1 x U
n
, f
n
= 50 Hz, positive
sequence undervoltage 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
4.5.5.10 Technical revision history
Table 421: PSPTUV Technical revision history
Technical revision
Change
B -
1YHT530004D05 D Section 4
Protection functions
615 series 493
Technical Manual

ABB REF615 L Specifications

General

Type	Feeder Protection Relay
Rated Frequency	50/60 Hz
Weight	Approx. 1.5 kg
Communication Protocols	IEC 61850, Modbus RTU, DNP3
Protection Functions	Overcurrent, Earth fault, Thermal overload, Under/Over voltage, Under/Over frequency
Enclosure	IP20