5-44
F650 DIGITAL BAY CONTROLLER
GEK-106310-AF
5.4 PROTECTION ELEMENTS
CHAPTER 5: SETPOINTS
POWER
3 x FORWARD POWER (32FP)
3 x DIRECTIONAL POWER (32)
3 x WATT GND FLT HIGH (32NH)
3 x WATT GND FLT LOW (32NL)
FREQUENCY ELEMENTS
6 x OVERFREQUENCY (81O)
6 x UNDERFREQUENCY (81U)
3 x FREQUENCY RATE OF CHANGE (81 df/dt)
MISCELLANEOUS:
3 x BROKEN CONDUCTOR
3 x LOCKED ROTOR
3 x LOAD ENCROACHMENT
The F650 elements incorporate also the following
control elements
. These control elements are not affected by setting
groups and they are available in Enervista 650 Setup at Setpoints>Control Elements
1 x SETTINGS GROUP
1 x SYNCHROCHECK(25)
1 x AUTORECLOSE (79)
1 x BREAKER FAILURE (50BF)
1 x VT FUSE FAILURE (VTFF)
8 x PULSE COUNTERS
8 x DIGITAL COUNTERS
20 x ANALOG COMPARATORS
1x MAX. NUMBERS OF STARTS
1 x COLD LOAD PICKUP
16 x PLC TIMER MASK
1x 60 CTS FAILURE
1x 2ND HRMC INHIBIT
As in previous firmware versions, F650 elements incorporate a flexible grouping capability for elements grouped in
protection elements
section. However, two different working modes have been implemented for firmware version 7.5X
and above
This means that protection elements can be used in either one of the following modes:
5.4.1.2.1 Single setting group
In this operation mode, all protection elements under one particular Setting Group can be activated and operated
simultaneously. When the Setting Group Function is disabled at
Setpoint > Control Elements > Setting Group
, protection
elements of the group selected as the Active Group become available.
Summary of Contents for F650
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