GE F35 User Manual

5-266 F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 5: SETTINGS
5
Figure 5-145: Selector switch logic
5.8.5 Underfrequency (ANSI 81U)
SETTINGS  CONTROL ELEMENTS  UNDERFREQUENCY  UNDERFREQUENCY 1(6)
There are six identical underfrequency elements, numbered 1 through 6.
 UNDERFREQUENCY 1


UNDFREQ 1 FUNCTION:
Disabled
Range: Disabled, Enabled

UNDERFREQ 1 BLOCK:
Off
Range: FlexLogic operand

UNDERFREQ 1 SOURCE:
SRC 1
Range: SRC 1, SRC 2, SRC 3, SRC 4, SRC 5, SRC 6

UNDERFREQ 1 MIN
VOLT/AMP: 0.10 pu
Range: 0.10 to 1.25 pu in steps of 0.01

UNDERFREQ 1 PICKUP:
59.50 Hz
Range: 20.00 to 65.00 Hz in steps of 0.01

UNDERFREQ 1 PICKUP
DELAY: 2.000 s
Range: 0.000 to 65.535 s in steps of 0.001

UNDERFREQ 1 RESET
DELAY : 2.000 s
Range: 0.000 to 65.535 s in steps of 0.001

UNDERFREQ 1 TARGET:
Self-reset
Range: Self-reset, Latched, Disabled

UNDERFREQ 1 EVENTS:
Disabled
Range: Disabled, Enabled

GE F35 Specifications

General

Brand	GE
Model	F35
Category	Protection Device
Language	English