Toshiba GR200 Series Instruction Manual page 1027

†Note: A number of the operation identifiers are provided by the protection functions. For
example, the 'OC1-OPT-A' operation identifier is used to identify the pickup in the
first element of the overcurrent function (OC1) in phase-A. See respective
protection functions in Chapter
‡Note: 64 logical signals are selectable for recording. For example in this purpose, the
user may choose an operation signal on the circuits of the BIO modules (BIOs).
FL calculation result
(iv)
The location of the fault occurrence is recoded if the fault locator function (FL) operates.
Evolving faults
(v)
The fault recorder is able to record evolving faults† during the operation of the ARC function.
Strikes number for reclosing CB is also recorded.
†Note: The evolving faults are found during the 'ARC_IN_PROG' signal being generating.
For more information, see Chapter
Fault quantities and pre-fault-quantities
(vi)
Several quantity items (amplitude and phase angle of current, etc.) are memorized in the fault
recorder, as shown in Table 8.1-1. Quantities just before the fault are also memorized. The pre-
fault quantities are captured 10 seconds before tripping, but it is possible to take back longer
using the setting [Pre-Fault time].
Displayed quantities
Current in phase, phase-to-phase , symmetrical, residual currents
Residual current in the other side of the parallel line
Voltage in phase, phase-to-phase, and symmetrical
One or two reference (busbar) voltages
Impedance and reactance components at Fault
Rate of the positive-sequence-current to the negative-sequence-current
Rate of thermal capacity in %
Note: Terms 'I 0 (i.e., 3I 0 )' and 'V 0 (i.e., 3V 0 )' are calculated using three-phase quantities.
1
Relay application
Relay application: Autoreclose
Table 8.1-1 Recording quantities
- 1006 -
6F2S1915 (0.46)
.
.
Abbreviations
I a , I b , I c ,
I ab , I bc , I ca ,
I e (1)
I 1 , I 2 , I 0 (2)
I em (1)
V a , V b , V c
V ab , V bc , V ca
V 1 , V 2 , V 0 (2)
V s , V s2
R a , R b , R c , R ab , R bc , R ca
X a , X b , X c , X ab , X bc , X ca
I2/I1 (3)
THM-Capacity (3)
GRZ200 (Soft 031 & 032)