Disturbance Information; Indications; Event Recorder; Event List - Hitachi Relion 650 Series Technical Manual

Section 12
Monitoring
12.4.6.1

Disturbance information

Date and time of the disturbance, the indications, events, and the trip values are available on the
local HMI. The complete disturbance report can be downloaded through PCM600 Disturbance
handling tool, through a web browser using the WHMI, or via FTP or MMS (over IEC 61850) client.
The PC can be connected to the IED front, rear or remotely via the station bus (Ethernet ports).
12.4.6.2

Indications

Indications is a list of signals that were activated during the total recording time of the disturbance
(not time-tagged), see Indication section for detailed information.
12.4.6.3

Event recorder

The event recorder may contain a list of up to 150 time-tagged events, which have occurred during
the disturbance. The information is available via the local HMI or PCM600, see Event recorder
section for detailed information.
12.4.6.4

Event list

The event list may contain a list of totally 1000 time-tagged events. The list information is
continuously updated when selected binary signals change state. The oldest data is overwritten. The
logged signals may be presented via local HMI or PCM600, see Event list section for detailed
information.
12.4.6.5

Trip value recorder

The recorded trip values include phasors of selected analog signals before the fault and during the
fault, see Trip value recorder section for detailed information.
12.4.6.6

Disturbance recorder

Disturbance recorder records analog and binary signal data before, during and after the fault, see
Disturbance recorder section for detailed information.
12.4.6.7

Time tagging

The IED has a built-in real-time calendar and clock. This function is used for all time tagging within
the disturbance report
12.4.6.8

Recording times

Disturbance report DRPRDRE records information about a disturbance during a settable time frame.
The recording times are valid for the whole disturbance report. Disturbance recorder, event recorder
and indication function register disturbance data and events during tRecording, the total recording
time.
The total recording time, tRecording, of a recorded disturbance is:
tRecording =
204
PreFaultrecT + tFault + PostFaultrecT or PreFaultrecT + TimeLimit, depending on
which criterion stops the current disturbance recording
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