Page 37 - Sace Emax 2 Manual Touch Protection breakers

ABB | SACE Emax 2

6 - Power protections

List
The Power protections, available by default for Ekip Hi-Touch, Ekip G Touch, Ekip G-Hi Touch models and configurable in Ekip Touch as additional
SW package, are:

Name Type of protection Threshold Time Additional functions (3)
RP Reverse active power Trip enable, Block
Trip enable, Directional Zone Selectivity , Startup
(4)
D (2) Directional short-circuit with adjustable delay
enable, Block, Direction Min Angle
OQ (1) Maximum reactive power Trip enable, Block
OP (1) Active overpower Trip enable, Block
UP (1) Active underpower Trip enable, Block, Startup enable
RQ (1)(2) Reverse reactive power Trip enable, Block
Cos φ Minimum Cos φ

Further details about the protections are given in document 1SDH001330R1002.

(1) the protection is not available by default with Ekip Hi-Touch. However, it can be integrated by requesting the relative SW package
(2) the protection is not available by default with Ekip G Touch. However, it can be integrated by requesting the relative SW package
(3) Block configuration available via Ekip Connect
(4) Directional Zone Selectivity functions as an alternative to Zone Selectivity S and G

WARNING! The Power flow parameters effect the sign of the power and power factor values measured by the unit.
Power flow must be configured and verified on the basis of your installation to ensure that all the protections of the
Power Protections package function correctly
Summary table
Calculation
Tolerance
ABB ANSI (7) Threshold Time formula Tolerance t (6)
threshold t
t (5)
t
The best of the two values: ± 10% or
P11 = -1...-0,05 Sn step = 0,001 t11 = 0,5...100 s
RP 32R ± 10 % t = t11 ± 40 ms (for set time < 5 s) / ± 100
Sn step = 0,1 s t
ms (for set time ≥ 5 s)
t7 Fw/Bw = ± 40 ms (for t7 ≥ 400 ms) / whichever
I7 Fw/Bw = 0,6...10 In step = 0,1 ± 7 % If ≤ 6 In
D (8) 67 0,1...0,8 s step t = t7 is higher, ± 20 ms or ± 10 % (for t7 <
In ± 10 % If > 6 In t
= 0,01 s 400 ms)
The best of the two values: ± 10% or
t27 = 0,5...100 s
OQ 32OF Q27 = 0,4...2 Sn step = 0,001 Sn ± 10 % t = t27 ± 40 ms (for set time < 5 s) / ± 100
step = 0,5 s t
ms (for set time ≥ 5 s)
The best of the two values: ± 10% or
t26 = 0,5...100 s
OP 32OF P26 = 0,4...2 Sn step = 0,001 Sn ± 10 % t = t26 ± 40 ms (for set time < 5 s) / ± 100
step = 0,5 s t
ms (for set time ≥ 5 s)
The best of the two values: ± 10% or
t23 = 0,5...100 s
UP (9) 32LF P23 = 0,1...1 Sn step = 0,001 Sn ± 10 % t = t23 ± 40 ms (for set time < 5 s) / ± 100
step = 0,5 s t
ms (for set time ≥ 5 s)
Q24 = -1...-0,1 Sn step = 0,001 The best of the two values: ± 10% or
RQ 40 / 32R Sn; Kq = -2…2 step = 0,01; Vmin ± 10 % t24 = 0,5...100 s t = t24 ± 40 ms (for set time < 5 s) / ± 100
t
= 0,5...1,2 Un step = 0,01 step = 0,5 s ms (for set time ≥ 5 s)
Cos φ 78 Cos φ = 0,5...0,95 step = 0,01
(5) calculation of t is valid for values which have exceeded the trip threshold of the protection
t
(6) tolerance values valid with Trip unit supplied at full rate or by auxiliary power supply, trip time ≥ 100 ms, temperature and current values within
operating limits; the tolerance value is ± 20% if the conditions are not guaranteed
(7) ANSI / IEEE C37-2 codification
(8) the protection does not detect the fault current direction for < 5 V voltages.
(9) not active if the circuit-breaker is open (TRIP OFF is signaled); the protection is also active for negative active power, but is independent of RP
protection (Protection from inverse active power)

Continued on the next page
35 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A Protections | 6 - Power protections