If the
I
set
high limit and I
set
low limit setting parameters are adjusted according to the application's
normal behavior, the operation of the function can be set to be very sensitive for broken circuit and
conductor faults.
Figure. 5.6.1 - 157. Normal situation, residual current also measured.
When the residual condition is added with the "I0 input selection", the sum of the current and the
residual current are compared against each other to verify the wiring condition.
Figure. 5.6.1 - 158. Broken secondary phase current wiring.
When phase current wire is broken all of the conditions are met in the CTS and alarm shall be issued in
case if the situation continues until the set alarming time is met.
A
AQ
Q-C215
-C215
Instruction manual
Version: 2.07
232
© Arcteq Relays Ltd
IM00040
Содержание AQ-C215
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Страница 297: ...Figure 7 4 179 Example block scheme A AQ Q C215 C215 Instruction manual Version 2 07 Arcteq Relays Ltd IM00040 295 ...
Страница 318: ...Figure 8 14 200 Device installation A AQ Q C215 C215 Instruction manual Version 2 07 316 Arcteq Relays Ltd IM00040 ...
Страница 347: ...10 Ordering information A AQ Q C215 C215 Instruction manual Version 2 07 Arcteq Relays Ltd IM00040 345 ...