Table 27. Sensitive directional residual overcurrent and power protection SDEPSDE (67N) ,
continued
Function
Range or value
Accuracy
Relay characteristic angle
RCA
(-179 to 180) degrees
±
2.0 degrees
Relay open angle ROA
(0-90) degrees
±
2.0 degrees
Operate time, non-
directional residual over
current
80 ms typically at 0.5 to 2 x I
set
-
Reset time, non-
directional residual over
current
90 ms typically at 1.2 to 0.5 x I
set
-
Operate time, non-
directional residual
overvoltage
70 ms typically at 0.8 to 1.5 x U
set
-
Reset time, non-
directional residual
overvoltage
120 ms typically at 1.2 to 0.8 x U
set
-
Operate time, directional
residual over current
260 ms typically at 0.5 to 2 x I
set
-
Reset time, directional
residual over current
170 ms typically at 2 to 0.5 x I
set
-
Critical impulse time non-
directional residual over
current
100 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
-
-
Impulse margin time non-
directional residual over
current
25 ms typically
-
Breaker protection REQ650 ANSI
1MRK 505 269-BUS -
Product version: 1.1
Issued: April 2011
60
ABB
Содержание Relion REQ650
Страница 1: ...Relion 650 series Breaker protection REQ650 ANSI Product Guide...
Страница 90: ...90...