6.3.3.3
Delta VAr peer to peer paralleling alarm messages
The Delta VAr Peer to Peer Paralleling Alarm Messages that are displayed on the
Control’s HMI display are also displayed on the TCC600® "Metering & Status" screen
Table 59:
Delta VAr Peer to Peer Paralleling front panel alarms
Message
Description
Alarm Active P2P Sympathy Lockout
The Sympathy Lockout/Alarm actuates when a
control detects that another control in the network
has locked out due to a Tie Breaker Status Conflict
Lockout or a Delta VAr Limit Lockout.
The Sympathy Lockout/Alarm will reset when the
control with the Tie Breaker Status Conflict Lockout
or Delta VAr Limit Lockout resets the lockout, or if
cleared by the user.
Alarm Active P2P INI Comm Lockout
The Initiator Communications Lockout alarm will
actuate when an Initiator fails to receive the expected
messages for three consecutive Peer to Peer Update
Frames.
The Initiator will enter lockout and stop sending
GOOSE messages which effectively disables the
Peer to Peer paralleling scheme. This lockout can
only be cleared by the user.
Alarm Active P2P React I Limit LO
The Reactive Current Limit Lockout alarm actuates
when the calculated Reactive Current value is
greater than the configured Reactive Current limit.
This lockout/alarm can only be cleared by the user.
Alarm Active P2P NINI Detect Lockout
Non - Initiator Detection Lockout – When the control
powers up in Initiator Mode, the control will wait for
approximately 65 seconds to allow all the GOOSE
messages from all the Non-Initiators in the network to
reach the Initiator. Once all GOOSE messages have
been received, the Initiator will start its normal
algorithm and the algorithm of the other controls in its
network.
If within that initial 65 second period the Initiator does
not receive all the GOOSE messages it expected, it
will enter the Initiator Lockout state. This lockout/
alarm can only be cleared by the user.
Alarm Active P2P Brk Status Confl LO
The Breaker Status Conflict Lockout alarm activates
when a control detects that its status for a tie breaker,
shared with another control, disagrees with that
unit's status for the same tie breaker.
The Breaker Status Conflict Lockout alarm is only
applicable in the "Single" and "Ring Bus" topology.
Alarm Active P2P Msg Rsp Time Lockout
The Message Response Time Lockout alarm will
actuate when a Non-Initiator has not received all the
expected GOOSE messages within the specified
time period for three consecutive update periods.
Section 6
1VAC388793-MB A
Configuration
436
TCC300
User Manual
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