ABB RER670 - Page 178

Table 27: Fault voltage and current for L1N / L2N / L1L2 faults
L1E L2E L1L2
Signal
Magnitude
(Volt or
Amps)
Angle
(Degrees)
Magnitude
(Volt or
Amps)
Angle (Degrees)
Magnitud
e (Volt or
Amps)
Angle
(Degree
s)
1UL
IECEQUATION15084 V1EN-US
55 0 55 0 55 0
2UL
IECEQUATION15085 V1EN-US
55 180 55 180 55 180
1IL
IECEQUATION15086 V1EN-US
 
01
12
ZAZA
UL


IECEQUATION15088 V1EN-US
 
01
12
ZAZA
UL



IECEQUATION15095 V1EN-US
0
0
 
1
1
ZA
UL
IECEQUATION15090 V1 EN-US
 
1
1
ZA
UL

IECEQUATION15121 V1EN-US
2IL
IECEQUATION15087 V1EN-US
0 180
 
01
22
ZAZA
UL


IECEQUATION15089V1 EN-US
 
01
22
ZAZA
UL



IECEQUATION15099 V1 EN-US
 
1
2
ZA
UL
IECEQUATION15091 V1 EN-US
 
1
2
ZA
UL

IECEQUATION15122 V1EN-US
Where:
1ZA
= Positive sequence impedance from the point of measurement until the
fault point.
This can be derived from:
111 XAjRAZA 
IECEQUATION15093 V1 EN-US (Equation 20)
Where:
 
 
XLjpXLiXA
RLjpRLiRA
tionfault
i
tionfault
i


























1sec
1
1sec
1
1
1
IECEQUATION15094 V1 EN-US (Equation 21)
0ZA
= Positive sequence impedance from the point of measurement until the
fault point.
This can be derived from,
000 XAjRAZA 
IECEQUATION15097 V1 EN-US (Equation 22)
Where:
    
    
XEOverXLjXLjpXEOverXLiXL iXA
REOverRL jRLjpREOverRLiRL iRA
tionfau lt
i
tionfault
i


























220
220
1sec
1
1sec
1
IECEQUATION15098 V1 EN-US (Equation 23)
Section 10 1MRK 506 377-UEN C
Testing functionality by secondary injection
172 Railway application RER670 2.2 IEC
Commissioning manual