![background image](http://html1.mh-extra.com/html/arteche/smart-p500/smart-p500_instruction-manual_2977391066.webp)
1BPROTECTION FUNCTIONS
PROTECTION, CONTROL AND METERING FUNCTIONS
Figure 2-2 Phase instantaneous low level overcurrent elements
2.1.1.3.1. SETTING RANGES (6 GROUPS)
The settings for these functions (low-level and high-level) are shown in the Table
2-3
Setting
Minimum
Maximum
Step
Notes
Enable
YES/NO
Pickup (A)
0,02
20
0,001
For In=1 A
0,10
100
0,001
For In=5 A
Definite Time (s)
0
60
0,01
Table 2-3 Settings range for phase instantaneous overcurrent elements
Figure 2-3 shows the logical diagram for the high level phase instantaneous
overcurrent function.
IFA
MED
blkAnyOC
blkAnyProt
r50LPaTrip
(trip)
r50LPaPkup
(pickup)
blk50
+
-
blk50LPa
+
-
IFB
MED
blk50LPb
IFC
MED
+
-
blk50LPc
Def.Time
0
Def.Time
0
Def.Time
0
r50LPbPkup
(pickup)
r50LPbTrip
(trip)
r50LPcTrip
(trip)
r50LPcPkup
(pickup)
IFB Low Pickup
IFA Low Pickup
IFC Low Pickup
Summary of Contents for smART P500
Page 1: ...Instruction Manual Multifunction Protection Relay smART P500...
Page 23: ...2BTABLES INDEX THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY...
Page 39: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 9 Wye Wye Connection measured neutral...
Page 40: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 10 Wye Wye Connection sensitive neutral...
Page 41: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 11 Open Delta Connection measured neutral...
Page 42: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 12 Open Delta Connection sensitive neutral...
Page 511: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 6 Moderately ANSI curve...
Page 513: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 7 Very inverse ANSI curve...
Page 515: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 8 Extremely inverse ANSI curve...
Page 532: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 14 Recloser Curves 101 119...
Page 535: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 15 Recloser Curves 120 142...
Page 538: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 16 Recloser Curves 151 202...