ABB Relion 670 series, Руководство по вводу в эксплуатацию

Страница: 155 / 188

REOverRLi
The positive sequence resistance of i
th
section
REOverRLj The positive sequence of resistance of faulted section (function setting)
XEOverXLi
The positive sequence reactance of i
th
section (Function setting)
XEOverXLj The positive sequence of reactance of faulted section (function setting)
p Fault position in per unit of the respective section line length
Fault section The section in which the fault exists
3. Wait for 0.09 seconds and update the voltage and current back to the values provided in table
30 .
4. Wait for a few seconds, and check the distance-to-fault value in km displayed on the local HMI.
This implies with:
     
j LineLength p i LineLength FLTDIST
tion fault
i
 










1 sec
1
IECEQUATION15120 V1 EN-US
(Equation 14)
Where:
Linelengthi
Line length in Km of the i
th
section
Linelengthj Line length in Km of the faulted section
p Fault position in per unit of the respective section
Verifying the case SystemType = ATCatenary
GUID-62ADD159-6EF8-4FD7-88D0-D71F4FC40A4A v1
1. Apply the voltage and current as shown in Table 32 :
Table 32: Pre-fault voltages and current
Signal Magnitude (Volts) Angle (Degrees)
1 UL
IECEQUATION15084 V1 EN-US
55 0
2 UL
IECEQUATION15085 V1 EN-US
55 180
1 IL
IECEQUATION15086 V1 EN-US
0 0
2 IL
IECEQUATION15087 V1 EN-US
0 180
2. Wait for a few seconds and apply voltage and current according to Table 33 depending on
which fault loop is to be verified.
1MRK 506 377-UEN Rev. K Section 10
Testing functionality by secondary injection
Railway application RER670 149
Commissioning manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved