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1–34
For the Short Circuit element, enter the following values in the
page. Press the
SHORT CIRCUIT TRIP
move to the next message.
: "Latched"
SHORT CIRCUIT TRIP
SHORT CIRCUIT TRIP OVEREACH FILETER
required (refer to Short Circuit Trip on page 5–59 for additional information)
: "Trip"
ASSIGN TRIP RELAYS
SHORT CIRCUIT TRIP PICKUP
INTENTIONAL S/C TRIP DELAY
SHORT CIRCUIT TRIP BACKUP
the trip command, a second signal will be initiated via an auxiliary relay to generate a
bus shot down; in most cases, the second trip command energizes a lock out relay (86)
which is used to trip the upstream breakers
ASSIGN BACKUP RELAYS
SHORT CIRCUIT TRIP BACKUP DELAY
total time required to trip the main breaker plus a margin
Since the specifications do not indicate values for the following features, they must be left
"Off":
: "Off"
OVERLOAD ALARM
: "Off"
MECHANICAL JAM
: "Off"
UNDERCURRENT
: "Off"
PHASE DIFFERENTIAL
For the Ground Fault element, enter the following values in the
page. Press the
GROUND FAULT
the next message.
GROUND FAULT OVERREACH FILETER
(refer to Ground Fault on page 5–63 for additional information)
GROUND FAULT ALARM
ASSIGN ALARM RELAYS
GROUND FAULT ALARM PICKUP
INTENTIONAL GF ALARM DELAY
GROUND FAULT ALARM EVENTS
: "Latched" – the output relay will remind energized until the Reset
GROUND FAULT TRIP
command executed
: "Trip"
ASSIGN TRIP RELAYS
GROUND FAULT TRIP PICKUP
INTENTIONAL GF TRIP DELAY
GROUND FAULT TRIP BACKUP
ASSIGN BACKUP RELAYS
Backup
GROUND FAULT TRIP BACKUP DELAY
Circuit Trip Backup
For the Current Unbalance element, enter the following values in the
ELEMENTS
CURRENT UNBALANCE
is entered to move to the next message.
key after each settings is entered to
MESSAGE
: "Off" - no filtering of DC component is
: "11.7"
: "0 ms" - Instantaneous trip is required.
: "On" - if the main disconnect device does not respond to
: "Auxiliary3"
: "200 ms" - this time must be greater than the
key after each settings is entered to move to
MESSAGE
: "Off" – no filtering of DC component is required
: "Off" – default setting, no Alarm is required
: "Alarm" – default setting
: "0.10 x CT" – default setting
: "0 ms" – default setting
: "Off" – default setting
: "0.20 x CT"
: "0 ms"
: "On"
: "Auxiliary3" - same relay assigned for the Short Circuit Trip
: "200 ms" - same time delay assigned to the Short
page. Press the
469 MOTOR MANAGEMENT RELAY – INSTRUCTION MANUAL
CHAPTER 1: GETTING STARTED
S6 CURRENT ELEMENTS
S6 CURRENT ELEMENTS
S6 CURRENT
key after each settings
MESSAGE
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