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1SDH002031A1002 ECN000092998 Rev. B
SACE Tmax XT2
– XT4 | 122
35 - Load Shedding
Description
The
Load Shedding
function allows you to manage malfunctions on systems that can work thanks
to the energy produced by renewable and local energy sources, in particular a lack of power,
e.g. due to a malfunction on the MV voltage side.
The function is available in two versions:
Basic
is supplied with all Ekip Touch Trip units
Adaptive
can be purchased with the relative additional package that is available for all
Trip units equipped with the
Measuring Measurement
package, excluding Ekip M Touch
All the parameters and measurements of the function are available via Ekip Connect, while the
Trip unit allows setting and viewing some of them, as noted below.
IMPORTANT: for full details see the Technical Catalog (see page 4) or the
function's White Paper (see page 12).
Ekip Touch
Parameters
Some function configuration parameters are available In the
Settings - Load Shedding
menu
NOTE: it is advisable to first configure the parameters via Ekip Connect, and only then
operate on the Trip unit
Parameter
Description
Default
Enable
Enable/disable the function and the availability of the parameters in
the menu
OFF
Version
Display of the function version, Basic or Adaptive
E
NOTE: with the
Basic
version the only parameter available
is
Reconnection Timeout
--
Solar System
Present
Defines if the microgrid includes a solar system (Off/On)
Off
Solar rated power
Available with Solar System Present = On, defines the rated power of
your solar system.
The value is expressed in kW, which can be set in a range:
100 kW .. 65535 kW with 1 kW steps
100 kW
ATS
Defines if the system has an ATS system (Off/On)
Off
Generator power
Available with ATS = On, it defines the power received from the ATS
branch, which can be set in a range:
0 kW (. . . .) .. 10000 kW with 1 kW steps
. . . .
Frequency slope
(NOTE)
Defines the variation of real-time frequency that triggers
Load
shedding
The value is expressed in (Hz/s), which can be set in a range:
0.6 Hz/s .. 10 Hz/s with 0.2 Hz/s steps
0.6 Hz/s
FW Warning
(NOTE)
Minimum frequency control threshold that activates Load shedding
The value is expressed in an absolute value (Hertz), which can be set
in a range: 0.9 Fn .. 1.1 Fn with 0.001 Fn steps
1 Fn
Reconnection
Timeout
Defines the time used by the Trip unit between the one load and the
next, following the re-closure of the main CB.
The value is expressed in (s), which can be set in a range:
10 s ..1800 s with 1 s steps
10 s
NOTE:
Load shedding
is activated if the control conditions defined by the
Frequency
slope
and
FW Warning
parameters are simultaneously present
Содержание SACE Tmax XT2
Страница 82: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 82 L curve IEC 60255 151 SI L curve IEC 60255 151 VI ...
Страница 83: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 83 L curve IEC 60255 151 EI L curve t k I4 ...
Страница 84: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 84 L curve Ekip M Touch S curve t k I2 ...
Страница 85: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 85 S curve t k Curve S2 I curve MCR curve 2I curve ...
Страница 86: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 86 G curve t k I2 G curve t k ...
Страница 87: ...1SDH002031A1002 ECN000092998 Rev B SACE Tmax XT2 XT4 87 IU curve UV curve UV2 curve ...
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