3Ug45 / 3Ug46 Monitoring Relays - Siemens 3UG4 User Manual

3.5.2

3UG45 / 3UG46 monitoring relays

Table 3- 17 Functions of the 3UG45/3UG46 monitoring relays for analog and digital setting
Function
Line monitoring and voltage monitoring
Monitoring for phase
sequence
Monitoring for phase
failure
Monitoring for
asymmetry
Monitoring for
undervoltage
Monitoring for
overvoltage
Monitoring for N
conductor
failure
Automatic direction of
rotation correction in the
case of incorrect phase
sequence
Power factor monitoring and current monitoring
Monitoring for
undercurrent
Monitoring for
overcurrent
Active current
monitoring
Apparent current
monitoring
Power factor monitoring
Fault current monitoring/insulation monitoring
Monitoring for fault
current/ground fault
Insulation monitoring
Filling level monitoring
Monitoring for filling level
overshoot / resistance
overshoot
Monitoring for filling level
undershoot / resistance
undershoot
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
Monitoring relays
3UG45
01 11 12 13
— ✓ ✓ ✓
— ○ ✓ ✓
1)
— — 10 % 20 %
— — — 3p
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
✓ — — —
✓ — — —
3UG46
8 14 15 16 17 18
— ✓ ✓ ✓ ✓ ✓
— ✓ ✓ ✓ ✓ ✓
— ✓ ○ ○ ✓ ✓
2) 2)
— 3p 3p 3p 3p 3p
— — 3p 3p 3p 3p
— — — ✓ — ✓
— — — — ✓ ✓
— — — — — —
— — — — — —
— — — — — —
— — — — — —
— — — — — —
— — — — — —
✓ — — — — —
— — — — — —
— — — — — —
System overview
3.5 Overview of the functions
31 32 33 21 22
— — — — —
— — — — —
— — — — —
1p 1p 1p — —
1p 1p 1p — —
— — — — —
— — — — —
— — — 1p 1p
— — — 1p 1p
— — — — —
— — — ✓ ✓
— — — — —
— — — — —
— — — — —
— — — — —
— — — — —
41 25 51
— — —
— — —
— — —
— — —
— — —
— — —
— — —
1p — —
1p — —
✓ — —
— — —
✓ — —
— ✓ —
— — —
— — —
— — —
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