Non-Volatile Latches - GE M60 Instruction Manual

CHAPTER 5: SETTINGS
Unit
POWER FACTOR
RTDs
SENSITIVE DIR POWER
(Sns Dir Power)
SOURCE CURRENT
SOURCE ENERGY
(Positive and Negative Watthours,
Positive and Negative Varhours)
SOURCE POWER
SOURCE VOLTAGE
STATOR DIFFERENTIAL CURRENT
(Stator Diff Iar, Ibr, and Icr)
STATOR RESTRAINING CURRENT
(Stator Diff Iad, Ibd, and Icd)
THERMAL MODEL
(Model Capacity Used)
(Model Motor Unbalance)
THERMAL MODEL
(Model Lockout Time)
THERMAL MODEL
(Thermal Model Load)
(Biased Motor Load)
THERMAL MODEL
(Trip Time on Overload)
— This setting defines the pickup–dropout relation of the element by specifying the width of the
FLEXELEMENT 1 HYSTERESIS
hysteresis loop as a percentage of the pickup value as shown in the FlexElement Direction, Pickup, and Hysteresis diagram.
— Specifies the time unit for the setting
FLEXELEMENT 1 dt UNIT
is set to "Delta."
FLEXELEMENT 1 COMP MODE
— Specifies duration of the time interval for the rate of change mode of operation. This setting is
FLEXELEMENT 1 dt
applicable only if
FLEXELEMENT 1 COMP MODE
— Specifies the pickup delay of the element.
FLEXELEMENT 1 PKP DELAY
— Specifies the reset delay of the element.
FLEXELEMENT 1 RST DELAY

5.6.8 Non-volatile latches

SETTINGS  FLEXLOGIC  NON-VOLATILE LATCHES  LATCH 1(16)
 LATCH 1

M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Description
PF = 1.00
BASE
BASE = 100°C
= maximum value of 3  V
P
BAS
E
for the sensitive power directional element(s).
I = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
E = 10000 MWh or MVAh, respectively
BAS
E
P = maximum value of V
BASE BASE
V = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
I = maximum primary RMS value of the +IN and –IN inputs
BASE
(CT primary for source currents, and bus reference primary current for bus differential currents)
I = maximum primary RMS value of the +IN and –IN inputs
BASE
(CT primary for source currents, and bus reference primary current for bus differential currents)
BASE =100%
BASE = 10 minutes
BASE = 1.00 pu of FLA
BASE = 10 seconds
FLEXELEMENT 1 dt
is set to "Delta."
LATCH 1

FUNCTION: Disabled
LATCH 1 TYPE:

Reset Dominant
LATCH 1 SET:

Off
LATCH 1 RESET:

Off
LATCH 1

TARGET: Self-reset
LATCH 1

EVENTS: Disabled
 I
for the +IN and –IN inputs of the sources configured
BASE BASE
 I
for the +IN and –IN inputs
BASE
. This setting is applicable only if
Range: Disabled, Enabled
Range: Reset Dominant, Set Dominant
Range: FlexLogic operand
Range: FlexLogic operand
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
FLEXLOGIC
5
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