GE Multilin DFF, Инструкция по эксплуатации, Страница: 16 / 74

SETTINGS
GEK-106166E DFF Digital Feeder Relay 15
3. SETTINGS
Setting can be viewed and modified in different ways: through the keypad and display or through a computer
connected to a serial port. In order to modify settings manually please refer to section 9 “
KEYPAD AND DISPLAY ”.
The DFF relay has three independent setting tables, TABLE 1, TABLE 2, TABLE 3, stored in non-volatile EEPROM
memory. The active table is selected through the
ACTIVE TABLE setting or with the TABLE 0 SELECTION or
TABLE 1 SELECTION digital inputs. The following groups of settings are common to the three tables:
•
GENERAL SETTINGS
•
ACTIVE TABLE SETTING
•
OSCILLOGRAPHY MASK
•
FUNCTION PERMIT
The settings that can be selected independently for each table are:
•
27P - Undervoltage unit
•
59P - Overvoltage unit
•
81N1 - Underfrequency unit or dF/dT
•
81 N2 - Underfrequency unit or dF/dT
•
81N3 - Underfrequency unit or dF/dT
•
81N4 - Underfrequency unit or dF/dT
•
81N5 - Underfrequency unit or dF/dT
•
81N6 - Underfrequency unit or dF/dT
•
81N7 - Underfrequency unit or dF/dT
•
81N8 - Underfrequency unit or dF/dT
The following tables contain a complete list of the DFF settings common for the three tables, with their associated
ranges, units and steps. The column called
DEFAULT shows the factory default settings: