5 Functions
5.1 Functions included in AQ-C215
The AQ-C215 capacitor bank protection IED includes the following functions as well as the number of
stages for those functions.
Table. 5.1 - 3. Protection functions of AQ-C215.
Name (number
of stages)
IEC
ANSI
Description
CBP (1)
-
-
Capacitor bank protection module
COL (1)
Icol>
49OL
Capacitor bank overload protection
UCP (1)
Iuc>
46C
Capacitor bank unbalance protection
NOC (4)
I>
I>>
I>>>
I>>>>
50/51
Non-directional overcurrent protection
NEF (4)
I0>
I0>>
I0>>>
I0>>>>
50N/51N
Non-directional earth fault protection
CUB (4)
I2>
I2>>
I2>>>
I2>>>>
46/46R/46L
Negative sequence overcurrent/
phase current reversal/
current unbalance protection
HOC (4)
Ih>
Ih>>
Ih>>>
Ih>>>>
50H/51H/68H
Harmonic overcurrent protection
The detection and blocking or tripping based on a
selectable harmonic. The phase currents and the residual
currents have separate stages.
NUC (1)
I<
37
Undercurrent protection
TOLF (1)
TF>
49F
Line thermal overload protection
OV (4)
U>
U>>
U>>>
U>>>>
59
Overvoltage protection
UV (4)
U<
U<<
U<<<
U<<<<
27
Undervoltage protection
NOV (4)
U0>
U0>>
U0>>>
U0>>>>
59N
Neutral overvoltage protection
VUB (4)
U1/U2>/<
U1/U2>>/<<
U1/U2>>>/<<<
U1/U2>>>>/<<<<
59P/27P/47
Sequence voltage protection
PGS (1)
PSx>/<
99
Programmable stage
VMEM (1)
-
-
Voltage memory
ARC (1)
Iarc>/I0arc>
50Arc/50NArc
Arc fault protection (optional)
A
AQ
Q-C215
-C215
Instruction manual
Version: 2.07
© Arcteq Relays Ltd
IM00040
53
Содержание AQ-C215
Страница 1: ...AQ C215 Capacitor bank protection IED Instruction manual ...
Страница 2: ......
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 ...