Arcteq Generator Commander, Instruction Manual

Page: 349 / 561

The inputs for the function are the following:
• available stages
• setting parameters
• digital inputs and logic signals
• measured and pre-processed voltage magnitudes.
The function's outputs are ALARM, TRIP and BLOCKED signals which can be used for direct I/O
controlling and user logic programming. The function generates general time-stamped ON/OFF events
to the common event buffer from each of the three (3) output signals. When tripping, the function
outputs ALARM and TRIP events simultaneously with an equivalent time stamp. The time stamp
resolution is 1 ms. The function also provides a resettable cumulative counter for the ALARM, TRIP and
BLOCKED events.
The following figure presents a simplified function block diagram of the vector jump function.
Figure. 5.5.8 - 181. Simplified function block diagram of the Δφ function.
Measured input
The function block uses analog voltage measurement values and always uses complex measurement
from samples. A -20 ms averaged value of the selected magnitude is used for pre-fault data
registering.
Table. 5.5.8 - 275. Measurement inputs of the vector jump function.
Signal Description Time base
U
1
L-L Measured line-to-line voltage U
1
/V 5ms
U
2
L-L Measured line-to-line voltage U
2
/V
5ms
U
3
L-L Measured line-to-line voltage U
3
/V 5ms
U
1
L-N Measured line-to-neutral voltage U
1
/V 5ms
U
2
L-N Measured line-to-neutral voltage U
2
/V
5ms
U
3
L-N Measured line-to-neutral voltage U
3
/V 5ms
Genera Generattor Commander or Commander
Instruction manual
Version: 2.07
© Arcteq Relays Ltd
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