17 Power Outage Page 89 of 142
MCS301 meter - product Manual 1.25 MetCom Solutions GmbH
17 Power Outage
17.1 General
The power failure/interruption happens when the voltage is lost in phase(s). There exists 3
types of power failure as follows:
• Short Power Failure/Interruption (Simply “Power Failure”)
• Long Power Failure/Interruption
• Power Down (power interruption in all phases)
The power interruption time <= "T" is considered as “Short Power Failure” (or simply “Power
Failure”) and greater than it is called “Long Power Failure”. The "T" is configurable and its
default value is 3 minutes. The power interruption in all phases is considered as “Power Down”.
Note: Time threshold for power failure is allowed to change between 1 to 60 min.
Meter detects and registers power failures per phase, for any phase and for all phases.
Registration of power failures is done by, incrementing dedicated counters, setting alarms and
storing events in “Standard” and “Power Failure” event logs.
There are different policies about registration of information of Short and Long power failure /
interruption.
Short Power interruption, the following information shall be provided:
• Number of Interruptions
Long Power Interruption, the following information shall be provided:
• Number of Interruptions
• Interruption Duration
• Timestamp of interruption
The number and duration of interruptions are stored in dedicated COSEM object. They are
presented in following sections.
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