ABB Substation Automation Products and Systems

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SPACOM
Multipurpose and
Special Application

SPAE 010/011

SPAF 340 C3
SPAU 110 C
SPAU 121 C
SPAU 130 C
SPAU 140 C
SPAU 320 C
SPAU 330 C
SPAU 331 C
SPAS 120 C

SPAF 140 C
SPAJ 110 C
SPAJ 111 C
SPAJ 115 C
SPAJ 131 C
SPAJ 160 C
SPAJ 320 C
SPAJ 321 C
Protection Relays

21.05.1999

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Protection and measurement

Type of faults IEEE Device No. IEC Symbol Protection function / measurement Protection and measurement

Short circuits 51 3I > Three-phase non-directional overcurrent, low-set stage X X X

50 / 51 / 51B 3I >> / Three-phase non-directional overcurrent, high-set stage / blockable overcurrent (1 X X X
Short circuits, winding faults 87H 1 ∆I > Single-phase, high-impedance differential current, low-set stage, instantaneous (2 X
(3
X
(3

87H 1 ∆I >> Single-phase, high-impedance differential current, high-set stage, delayed (4 X

Earth-faults, winding faults 51N Io > / SEF Non-directional earth-fault, low-set stage, sensitive, In = 1 A and 5 A (only DT operation) X X
(5 X
51N Io > Non-directional earth-fault, low-set stage, coarse, In = 1 A and 5 A X X
50N / 51N Io >> / Io-o > Non-directional earth-fault, high-set stage X X X X
67N Io > / SEF Directional earth-fault ,low-set stage, sensitive, In = 1 A and 5 A (only DT operation) X
67N Io >> Directional earth-fault, high-set stage X
59N Uo > Residual overvoltage, low-set stage X X X X
59N Uo >> Residual overvoltage, high-set stage X X X X
87NH ∆Io > / REF High-impedance differential earth-fault current, low-set stage, instantaneous (6 X X
87NH ∆Io >> / REF High-impedance differential earth-fault current, high-set stage, delayed X
(5

Over / undervoltage 59 3U > Three-phase overvoltage, low-set stage (7 (7

X X
59 3U >> Three-phase overvoltage, high-set stage
59 U> Single-phase overvoltage, low-set stage X (8
X
27 3U < Three-phase undervoltage, low-set stage (7 (7
X X X
27 3U << Three-phase undervoltage, high-set stage X
27 U< Single-phase undervoltage, low-set stage X (8
X

Frequency 81U / 81O f < / f > / df/dt Load shedding and restoration, stages 1...4 X
81U / 81O f < / f > / df/dt Underfrequency or overfrequency incl. rate of change, stages 1...4 X

Additional functions 25 SYNC Synchro-check / voltage check, stages 1 and 2 X

68 Io2f > Inrush detector (neutral current) X X
51C 3IC > / (3UC>) Three-phase overload (capacitors) X
51N I n-n > Unbalance (capacitors) X
37 3I < Loss of supply / undercurrent (capacitors) X

Type of measurement

Current 3I Three-phase current X X X X

Io Neutral current X X X X X X
In-n Unbalance current X

Voltage 3U / U Three-phase / single phase voltage X X X X X X X X

Uo Residual voltage X X X X X

Frequency f System frequency X X

Recording Transient disturbance recorder module SPCR, optional (9 (9 (9 X (9

X X X X

Communication Symbol Data Communication

SPA-bus communication ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X

Man-Machine-Communication, display ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X
Man-Machine-Communication, PC ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X

General functions Symbol General functions

Main / secondary setting ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X

Remote setting ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X
Selfsupervision ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X X
Annunciating, event generating and value recording .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X
Measurement and parameter display ............................. .............................. ......................................................................................................................................... X X X X X X X X X X X X X X X X X
Switching device status display ............................. .............................. .........................................................................................................................................
Remote end binary signal transfer (HW) ............................. .............................. .........................................................................................................................................
Binary signal interbay transfer (HW) ............................. .............................. .........................................................................................................................................

(1
e.g. busbar protection, protection of transformer LV terminals
(2
e.g. short feeder, machine winding and simple busbar applications
(3
for short-circuit and earth-fault protection 3 units (1/phase) required
(4
e.g. alarming stage in simple busbar applications for measuring circuit supervision purposes
(5
one of these functions can be used in a single unit
(6
e.g. transformer and machine windings, short feeder and simple busbar applications
(7
single-phase operation selectable
(8
two low- and high-set stages available
(9
possible, if one relay module is omitted

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