12
CU R R E NT A N D VOLTAG E I N STRU M E NT TR A N S FOR M E R S
I N S T R U C T I O N S FO R I N S TA L L AT I O N , USE A N D M A I N T EN A N C E
- Voltage transformers according to IEEE
Ck
No tap
x1
x2
x1
x2
PE
Ck
1 tap
x1
x2
x3
x1
x2
x3
PE
Ck
2 taps
x1
x2
x3
x4
x1
x2
x3
x4
PE
Ck
3 taps
x1
x2
x3
x4
x5
x1
x2
x3
x4
x5
PE
x6
Ck
4 taps
x1
x2
x3
x4
x5
x6
x1
x2
x3
x4
x5
PE
Ck
No tap
x1
x2
y1
y2
x1
x2
y1
y2
PE
x2
x3
y3
Ck
1 tap
x1
x2
x3
y1
y2
y3
x1
y1
y2
PE
x2
x3
y2
y3
x2
x3
y2
y3
Ck
2 taps
x1
x4
y1
y4
x1
x4
y1
y4
PE
x4
x5
y4
y5
3 taps
x1
x2
x3
y1
y2
y3
x2
y2
z2
Ck
No tap
x1
x2
y1
y2
z1
z2
x1
y1
z1
PE
x2
x3
y3
z2
z3
x2
x3
y3
z2
z3
Ck
1 tap
x1
y1
y2
z1
x1
y1
y2
z1
PE
x2
x3
y2
y3
z2
z3
x2
x3
y2
y3
z2
z3
Ck
2 taps
x1
x4
y1
y4
z1
z4
x1
x4
y1
y4
z1
z4
PE
x3
x4
x5
y4
y5
z4
z5
3 taps
x1
x2
y1
y2
y3
z1
z2
z3
Three cores
Three cores with CD
One core
One core with CD
Two cores
Two cores with CD
x1
x2
H2
PE
x1
x2
x3
H2
PE
x1
x2
y1
y2
H2
PE
x1
x2
y1
y2
x3
y3
H2
PE
x1
y1
z1
x2
y2
z3
H2
PE
2 measuring winding with
no tap
2 measuring winding with
1 tap
3 measuring
Variants of connections of double row terminal
1 measuring winding with
no tap
1 measuring winding with
1 tap
Содержание BB 103
Страница 15: ...15 Examples of voltage transformers connection ...
Страница 25: ...25 Dimensional Drawings TTR TTR 4x xx TTR 6x xx ...