12.1.3.14 Setting for OV2
SEMOD158317-50 v2
Operation_OV2:Operation_OV2 is set Disabled if the function is not used for other
protection function.
12.1.3.15
Settings for UV1
SEMOD158317-53 v2
Operation_UV1
: The parameter Operation_UV1 is set Enabled to activate this
function.
PickupVolt_UV1: The operate voltage level for UV1 is set by the parameter
PickupVolt_UV1. The setting is made in % of VBase. The setting shall be done so that
all situations with disconnected generator are detected. The setting 70% can be used in
most cases.
CurveType_UV1: The time delay of UV1 should be of type definite time and this is set
in the parameter CurveType_UV1 where Definite time is chosen.
ResCrvType_UV1: The reset time delay of UV1 should be delayed a short time so that
the function is not blocked before operation of OC1 in case of inadvertent energizing
of the generator. The parameter ResCrvType_UV1 is set to Frozen timer.
tDef_UV1: The time delay is set in the parameter tDef_UV1 and is set so that the
inadvertent energizing function is activated after some time when the generator is
disconnected from the grid. 10.0 s is recommended.
tResetDef_UV1: The reset time of UV1 is set by the parameter tResetDef_UV1. The
setting 1.0 s is recommended.
12.1.3.16 Setting for UV2
SEMOD158317-61 v2
Operation_UV2: Operation_UV2 is set Disabled if the function is not used for other
protection function.
1MRK 502 071-UUS A Section 12
Multipurpose protection
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062 501
Application manual
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