Hitachi RER670 Commissioning Manual page 154

Section 10
Testing functionality by secondary injection
Table 31:
Signal
IECEQUATION15
IECEQUATION15
IECEQUATION15
IECEQUATION15
Where:
ZA
This can be derived from:
ZA
IECEQUATION15093 V1 EN-US
Where:
RA
XA
IECEQUATION15094 V1 EN-US
ZA
This can be derived from,
ZA
IECEQUATION15097 V1 EN-US
Where:
RA
XA
IECEQUATION15098 V1 EN-US
Where:
RLi
RLj
XLi
XLj
Table continues on next page
148
Fault voltage and current for L1N / L2N / L1L2 faults
L1E
Magnitude (Volt Angle
or Amps) (Degrees)
55
UL 1
084 V1 EN-US
55
UL 2
085 V1 EN-US

2 UL 1
IL 1

 

086 V1 EN-US
ZA 1 ZA 0
IECEQUATION15088 V1 EN- US
0
IL 2
087 V1 EN-US
= Positive sequence impedance from the point of measurement until the fault point.
1
  
1 RA 1 j XA 1
 

fault sec tion 1


      
1 RLi p RLj
 

i 1
  
fault sec tion 1


      
1 XLi p XLj
 

i 1
= Positive sequence impedance from the point of measurement until the fault point.
0
  
0 RA 0 j XA 0


fault sec tion 1


    
0 RLi 2 REOverRLi


i 1


fault sec tion 1


    
0 XLi 2 XEOverXLi


i 1
The positive sequence resistance of i
The positive sequence of resistance of faulted section (function setting)
The positive sequence reactance of i
The positive sequence of reactance of faulted section (function setting)
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Magnitude
(Volt or Amps)
0 55
180 55
0

2 UL 1
 

ZA 1 ZA 0
IECEQUATION15095 V1 EN- US
180

2 UL 2


ZA 1 ZA
IECEQUATION15089 V1 EN-US



  
    
p RLj


  
   
p XLj

1MRK 506 377-UEN Rev. L
L2E
Angle (Degrees) Magnitude
(Volt or
Amps)
0
180
0
IECEQUATION1509

2 UL 2

 


0 ZA 1 ZA 0
IECEQUATION1509
IECEQUATION15099 V1 EN-US
 

2 REOverRLj
 
 
2 XEOverXLj
th
section (Function setting)
th
section (Function setting)
Railway application RER670
Commissioning manual
L1L2
Angle
(Degrees
)
55 0
55 180
UL 1 UL 1

   
ZA 1
ZA 1
0 V1 EN-US
IECEQUATION1 5121 V1 EN-US
UL 2
UL 2

   
ZA 1
ZA 1
1 V1 EN-US IECEQUATION1 5122 V1 EN-US
(Equation 10)
(Equation 11)
(Equation 12)
(Equation 13)