Startco Engineering Ltd.
Page i
FPU-16 Feeder Protection Unit
Rev. 0
Pub. FPU-16-M, November, 1997
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TABLE OF CONTENTS
PAGE
TABLE OF CONTENTS ......................................................................................
i
LIST OF FIGURES .............................................................................................
iii
LIST OF TABLES................................................................................................
iii
1.
INTRODUCTION ......................................................................................
1
1.1
FEATURES AND OPTIONS......................................................................
1
1.2
ORDERING INFORMATION .....................................................................
1
2.
FRONT-PANEL ANNUNCIATION, INDICATION, AND PROGRAMMING.....
3
2.1
GENERAL................................................................................................
3
2.2
LIQUID-CRYSTAL DISPLAY .....................................................................
3
2.3
KEYPAD ..................................................................................................
3
2.4
LED INDICATORS....................................................................................
5
2.5
PROGRAMMING ......................................................................................
5
2.6
TRIPS AND ALARMS................................................................................
6
2.7
DEFAULT VALUES...................................................................................
6
3.
MODE DESCRIPTIONS............................................................................
7
3.1
GENERAL................................................................................................
7
3.2
MODE 0 — I
2
t LIMIT ................................................................................
7
3.3
MODE 1 — SHORT-TIME OVERCURRENT.............................................
9
3.4
MODE 2 — INSTANTANEOUS OVERCURRENT .....................................
10
3.5
MODE 3 — CURRENT UNBALANCE.......................................................
10
3.6
MODE 4 — EARTH FAULT......................................................................
11
3.7
MODE 5 — OPTIONS .............................................................................
12
3.7.1
AUTORESET ........................................................................
12
3.7.2
ALARM LATCH......................................................................
12
3.7.3
I
2
t IMMEDIATE RESET ..........................................................
12
3.7.4
SPARE .................................................................................
12
3.7.5
EARTH-FAULT TRIP TIME ....................................................
12
3.7.6
SHORT-TIME TRIP-AND-ALARM TIME..................................
15
3.7.7
ANALOG-OUTPUT PARAMETER ..........................................
15
3.7.8
RELAY OPERATING MODE..................................................
15
3.8
MODE 6 — EARTH-FAULT-CT-PRIMARY RATING (I
e
).............................
15
3.9
MODE 7 — PHASE-CT-PRIMARY RATING (I
p
) ........................................
16
3.10
MODE 8 — RATED CURRENT (I
n
)...........................................................
16
3.11
MODE 9 — PERCENT UNBALANCE .......................................................
17
3.12
MODES A, b, & C — AMMETERS ............................................................
17
3.15
MODE d — PERCENT I
2
t / TIME-TO-RESET /
EMERGENCY THERMAL RESET..........................................
17
3.16
MODE E — EARTH LEAKAGE.................................................................
18
3.17
MODE F — OPERATION COUNTER .......................................................
18