Protections
057-254 ISSUE: 2
Page 128 of 188
6.1.2 RESET ELECTRICAL TRIP
Configuration is possible to enable the operator to reset Electrical Trip alarm a configurable number of
times before the generator has stopped. This is to allow the generator to go back on load without
having to perform a cooling run first.
It is also possible to prevent an Electrical Trip alarm from stopping the generator. Under such
conditions, the Electrical Trip Stop Inhibited Warning alarm appears on the module display to inform
the operator. Electrical Trip alarms still appear however, the operator is just informed the generator is
inhibited from stopping.
Example:
1/2
Alarms
2/2
Alarms
Electrical Trip Stop Inhibited
Warning
Gen Over Current
Electrical Trip
This feature is provided to assist the system designer in meeting specifications requirements to
ensure the generator (if running) is able to take load again after the alarm has been reset. Depending
upon configuration, the generator may go into a cooling run or be inhibited from stopping after the
Electrical Trip alarm activates.
When configuring this feature in the PC software, the system designer chooses to make the Electrical
Trip alarms resettable by using a switch connected to an input configured for Reset Electrical Trip
and/or by pressing the Close Generator
button. The system designer provides this switch (not
DSE) so its location varies depending upon manufacturer, however it normally takes the form of a key
operated switch to prevent inadvertent activation. If the DSE module is in the Manual Mode
, a
further press of the Close Generator
button is required to place the generator on load if no other
on load request is active.
The feature is configurable in the PC configuration software for the module. Writing a configuration to
the controller that has Reset Electrical Trip enabled, results in a warning message appearing on the
PC screen for the user to acknowledge before the controller’s configuration is changed. This prevents
inadvertent activation of the feature.
Summary of Contents for 8610 MKII
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