Alstom MiCOM P846, Техническое руководство

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Settings P846/EN ST/D
MiCOM P846
(ST) 4-9
ST
Setting Range
Menu Text Default Setting
Min. Max.
Step Size
Access Level 2
Displays the current access level.
Level 0 - Password 1 or 2 required - Read access to all settings, alarms, event records
required for all commands and fault records
and settings changes
Level 1 - Password 2 required - As level 0 plus: Control commands, e.g. circuit
for settings changes breaker open/close
Reset of fault and alarm conditions, Reset LEDs
Clearing of event and fault records
Level 2 - No password required - As level 1 plus: All other settings
Password Control 2 1
Sets the menu access level for the relay. This setting can only be changed when level 2
access is enabled.
Password Level 1 ****
Allows user to change password level 1.
Password Level 2 ****
Allows user to change password level 2.
1.3.2 Circuit breaker control
The relay includes the following options for control of a single circuit breaker:
•
Local tripping and closing, via the relay menu or hotkeys
•
Local tripping and closing, via relay opto-isolated inputs
•
Remote tripping and closing, using the relay communications
Setting Range
Menu Text Default Setting
Min. Max.
Step Size
CB control by Disabled
Disabled, Local, Remote, Local + Remote,
Opto, Opto + local, Opto + Remote, Opto +
local
This Setting selects the type of circuit breaker control used in the logic
Close Pulse Time 0.5 s 0.01 s 10 s 0.01 s
Defines the duration of the close pulse.
Trip Pulse Time 0.5 s 0.01 s 5 s 0.01 s
Defines the duration of the trip pulse.
Man Close Delay 10 s 0.01 s 600 s 0.01 s
This defines the delay time before the close pulse is executed.
CB Healthy Time 5 s 0.01 s 9999 s 0.01 s
A settable time delay included for manual closure with this circuit breaker check. If the
circuit breaker does not indicate a healthy condition in this time period following a close
command then the relay will lockout and alarm.