ABB SACE Emax 2 - Ekip Dip Interface and Protections

ABB | SACE Emax 2
32 | © 2019 ABB | 1SDH001316R1002 - ECN000086501 - Rev. A Protections | 3 - Voltage protections
3 - Voltage protections
List
The Voltage protections, available by default for Ekip Hi-Touch, Ekip G Touch, Ekip G-Hi Touch models and configurable in the remaining models
as additional SW package, are:
Name Type of protection Threshold Time
Additional functions
(2)
UV Minimum voltage Trip enable, Block
OV Maximum voltage
Trip enable, Block
UV2
(1)
Minimum voltage Trip enable, Block
OV2
(1)
Maximum voltage Trip enable, Block
VU Voltage unbalance
Trip enable, Block
Phase Sequence Phase sequence error
Further details about the protections are given in document 1SDH001330R1002.
(1)
protections UV2 and OV2 are not available by default with Ekip G Touch. However, they can be integrated by requesting the relative SW package
(2)
Block configuration available via Ekip Connect
Summary table
ABB
ANSI
(5)
Threshold
Tolerance
threshold
Time
Calculation
formula t
t
(3)
Tolerance t
t
(4)
UV 27
U8 = 0,05…1 Un
Step = 0,001 Un
± 2 %
(7)
t8 = 0,05...120 s
Step = 0,01 s
t
t
= t8
The best of the two values: ± 10% or ± 40
ms (for set time < 5 s) / ± 100 ms (for set
time ≥ 5 s)
OV 59
U9 = 1…1,5 Un
Step = 0,001 Un
± 2 %
(7)
t9 = 0,05…120 s
Step = 0,01 s
t
t
= t9
The best of the two values: ± 10% or ± 40
ms (for set time < 5 s) / ± 100 ms (for set
time ≥ 5 s)
UV2 27
U15 = 0,05…1 Un
Step = 0,001 Un
± 2 %
(7)
t15 = 0,05…120 s
Step = 0,01 s
t
t
= t15
The best of the two values: ± 10% or ± 40
ms (for set time < 5 s) / ± 100 ms (for set
time ≥ 5 s)
OV2 59
U16 = 1…1,5 Un
Step = 0,001 Un
± 2 %
(7)
t16 = 0,05…120 s
Step = 0,01 s
t
t
= t16
The best of the two values: ± 10% or ± 40
ms (for set time < 5 s) / ± 100 ms (for set
time ≥ 5 s)
VU
(6)
47
U14 = 2…90 %
Step = 1 %
± 5 %
t14 = 0,5…60 s
Step = 0,5 s
t
t
= t14
The best of the two values: ± 10% or ± 40
ms (for set time < 5 s) / ± 100 ms (for set
time ≥ 5 s)
Phase
Sequence
47 1-2-3 / 3-2-1
(3)
calculation of t
t
is valid for values which have exceeded the trip threshold of the protection
(4)
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
(5)
ANSI / IEEE C37-2 codification
(6)
protection not active if the higher of the voltages measured is less than 0.3 Un
(7)
the Trip unit considers a 3% hysteresis for quitting the alarm condition