Basler Electric BE1-11t - Manual (Page 163)

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for the power system cycle two cycles prior to the end of the fault. Refer to Figure 114 and Table 59,
call-out F.
•
V0, V1, V2. These lines report the three-phase residual, positive-sequence, and negative-sequence
voltage magnitudes and angles measured two power system cycles immediately following the trip
trigger. If the fault is cleared prior to the BE1-11t tripping, the recorded fault voltages are for the
power system cycle two cycles prior to the end of the fault. Refer to Figure 114 and Table 59, call-out
F.
•
IG, IG Circuit 2. This line reports the ground current magnitude and angle measured two power
system cycles immediately following the trip trigger. If the fault is cleared prior to the BE1-11t tripping,
the recorded fault current is for the power system cycle two cycles prior to the end of the fault. Refer
to Figure 114 and Table 59, call-out F.
•
3I0, 3I0 Circuit 2, I1, I1 Circuit 2, I2, I2 Circuit 2. These lines report the three-phase residual, positive-
sequence, and negative-sequence current magnitudes and angles measured two power system
cycles immediately following the trip trigger. If the fault is cleared prior to the BE1-11t tripping, the
recorded fault currents are for the power system cycle two cycles prior to the end of the fault. Refer to
Figure 114 and Table 59, call-out F.
•
FP, FX. This line reports the frequency for the phase voltage input and auxiliary voltage input
measured immediately following the trip trigger. Refer to Figure 114 and Table 59, call-out F.
•
VX. This line reports the auxiliary voltage magnitude and angle measured two power system cycles
immediately following the trip trigger. If the fault is cleared prior to the BE1-11t tripping, the recorded
fault voltages are for the power system cycle two cycles prior to the end of the fault. Refer to Figure
114 and Table 59, call-out F.
•
RTD. These lines report the values of the RTDs when an optional remote RTD module is connected.
•
Analog Inputs. These lines report the values of the analog inputs when an optional remote RTD
module is connected.
Oscillographic Records
Recording Oscillographic Records
Each time the fault reporting function starts recording a fault summary report, it freezes a user-defined
cycle pre-fault buffer. If the fault is not cleared within that time, the fault reporting function records a
second oscillographic record. This second record captures the end of the fault. Oscillographic records are
stored in nonvolatile memory. As additional faults are recorded, the oldest records are overwritten. The
fault reporting function can record up to 32 oscillographic records based on IEEE Std C37.111-1999 -
IEEE Standard Common Format for Transient Data Exchange (COMTRADE) for Power Systems. The
number of records to store is selectable by the user. Maximum data capture resolution is 32 samples per
cycle and is user selectable. The BE1-11t can store up to 2,048 cycles of data at 8 samples per cycle or
512 cycles of data at 32 samples per cycle. Refer to Table 57 for Oscillographic Records Settings.
All channels are recorded (IA, IA Circuit 2, IB, IB Circuit 2, IC, IC Circuit 2, IG, IG Circuit 2, VA, VB, VC,
VX, FP, FX, Analog Inputs, and RTDs) as they happen in real time.
A settings snapshot is taken and recorded with each event. This snapshot will be stored in a file that can
later be uploaded to the device to return it to the settings that were active at the time of the recording.
BE1-11t protection systems have three identification fields: Device ID, Station ID, and User ID. These
fields are used in the header information lines of the oscillographic records. Refer to the
BESTCOMSPlus
Software chapter for information on BE1-11t identification settings.
Oscillographic Records Settings
The oscillographic records settings are programmed through BESTCOMSPlus. Use the Settings Explorer
to open the Metering Configuration, Fault Records screen as shown in Figure 112. Enter the values for
Sample Resolution, Number of Records to Store, and Prefault Cycles.
BE1-11t Fault Reporting