EasyManua.ls Logo

ABB REX640 - Fault Locator (SCEFRFLO); Fault Locator (SCEFRFLO) Main Settings; Load-Shedding and Restoration (LSHDPFRQ)

ABB REX640
132 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Table 170. Fault locator (SCEFRFLO)
Characteristic Value
Measurement accuracy At the frequency f = f
n
Impedance:
±2.5% or ±0.05 Ω
Distance:
±2.0% or ±0.04 km/0.025 mile
XC0F_CALC:
±3% or ±0.01 Zn/1.15 Ω
IFLT_PER_ILD:
±5% or ±0.05
Table 171. Fault locator (SCEFRFLO) main settings
Parameter
Function Value (Range) Step
Z Max phase load SCEFRFLO 1.0...10000.0 Ω 0.1
Ph leakage Ris SCEFRFLO 20...1000000 Ω 1
Ph capacitive React SCEFRFLO 10...1000000 Ω 1
R1 line section A SCEFRFLO 0.000...1000.000 Ω/pu 0.001
X1 line section A SCEFRFLO 0.000...1000.000 Ω/pu 0.001
R0 line section A SCEFRFLO 0.000...1000.000 Ω/pu 0.001
X0 line section A SCEFRFLO 0.000...1000.000 Ω/pu 0.001
Line Len section A SCEFRFLO 0.000...1000.000 pu 0.001
Table 172. Load-shedding and restoration (LSHDPFRQ)
Characteristic
Value
Operation accuracy f< ±5 mHz
df/dt ±100 mHz/s (in range |df/dt| < 5 Hz/s)
± 2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)
Start time f< <80 ms
df/dt <120 ms
Reset time <150 ms
Operate time accuracy ±1.0% of the set value or ±30 ms
1MRS759144 A
REX640
Product version: 1
82 ABB

Table of Contents

Related product manuals