5-62
F650 DIGITAL BAY CONTROLLER
GEK-106310-AF
5.4 PROTECTION ELEMENTS
CHAPTER 5: SETPOINTS
Table 5-33: Block and operation signals for the phase directional element
Signals provided by the directional element are, block and operation signals. Signals used to block overcurrent elements
are configured at
Setpoint > Relay Configuration > Protection Elements.
Operation signals are active when operation and polarization magnitudes meet conditions given by the settings.
Block signals indicate blocked elements by an external block input or by polarization voltage loss
after voltage
memorize time elapses
. Using the “Block logic” setting, the user can select how the directional element responds in case
of a block. When the “Block” option is selected, the operational signal is not activated in a block condition. When the
“Permission” option is selected, the operation signal is activated in a block condition.
Figure 5-8: Overcurrent elements block configuration by the directional element shows the default configuration for the
phase overcurrent block input. When the “Block logic” setting is set as “Block”, this input is active in case of a block in the
directional element, avoiding any phase overcurrent trip.
When the “Block logic” setting is set as “Permission”, the phase overcurrent element is enabled to trip as the block input is
not active in case of polarization voltage memory expiration.
BLOCK AND OPERATION FOR 67P
PHASE DIR1 BLOCK A
PHASE DIR1 A OP
PHASE DIR1 BLOCK B
PHASE DIR1 B OP
PHASE DIR1 BLOCK C
PHASE DIR1 C OP
PHASE DIR2 BLOCK A
PHASE DIR2 A OP
PHASE DIR2 BLOCK B
PHASE DIR2 B OP
PHASE DIR2 BLOCK C
PHASE DIR2 C OP
PHASE DIR3 BLOCK A
PHASE DIR3 A OP
PHASE DIR3 BLOCK B
PHASE DIR3 B OP
PHASE DIR3 BLOCK C
PHASE DIR3 C OP
Summary of Contents for F650
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