Current Elements - GE B90 Instruction Manual

5.5 GROUPED ELEMENTS
The Undervoltage element is enabled only when
One element is available per each voltage input of the relay.
SETTING
B90 FUNCTION:
Logic = 0
Protection = 1
SETTING
UNDERVOLTAGE 1
FUNCTION:
Disabled = 0
Enabled = 1
SETTING
UNDERVOLTAGE 1 BLK:
Off = 0
SETTING
UNDERVOLTAGE 1 VT:
Voltage Magnitude, |V|
a) MAIN MENU
5

PATH: SETTINGS GROUPED ELEMENTS
 CURRENT ELEMENTS

5-94
PRODUCT SETUP
SETTINGS
UNDERVOLTAGE 1 MIN
VOLTAGE:
UNDERVOLTAGE 1
PICKUP:
RUN
| V | > MIN VOLTAGE
Figure 5–44: UNDERVOLTAGE SCHEME LOGIC

SETTING GROUP 1(6)
 INSTANTANEOUS
 OVERCURRENT
 INSTANTANEOUS
MESSAGE
 OVERCURRENT
 INSTANTANEOUS
MESSAGE
 OVERCURRENT 24
 TIME
MESSAGE
 OVERCURRENT
 TIME
MESSAGE
 OVERCURRENT
 TIME
MESSAGE
 OVERCURRENT 24
B90 Low Impedance Bus Differential System

B90 FUNCTION
SETTING
UNDERVOLTAGE 1
PKP DELAY:
UNDERVOLTAGE 1
RST DELAY:
t
PKP
&
t
|V| < PICKUP
RST


CURRENT ELEMENTS

See page 5-99.
1
See page 5-99.
2
↓
See page 5-99.
See page 5-100.
1
See page 5-100.
2
↓
See page 5-100.
5 SETTINGS
 is set to "Protection".
B90 FUNCTION
FLEXLOGIC OPERANDS
UNDERVOLTAGE 1 OP
UNDERVOLTAGE 1 DPO
UNDERVOLTAGE 1 PKP
5.5.6 CURRENT ELEMENTS
GE Multilin