IEC 61869-5:2011/COR1:2015

 IEC 2015
INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
IEC 61869-5 IEC 61869-5
Edition 1.0  2011-07 Édition 1.0  2011-07

INSTRUMENT TRANSFORMERS – TRANSFORMATEURS DE MESURE –

Part 5: Additional requirements for capacitor Partie 5: Exigences supplémentaires concernant
voltage transformers les transformateurs condensateurs de tension

CO RRI G E NDUM 1
Corrections to the French version appear after the English text.
Les corrections à la version française sont données après le texte anglais.

6.502.2 Transients of ferro-resonance oscillations
Replace the existing formula by the following formula:
2×U
ˆ P
U −
ˆ
S(t=T )
F
k ×U − 2×U
k
r S(t=T ) P
r F
ˆ
ε = =
F
2×U 2×U
P P
k
r
Add the following new line at the end of the existing list:
t      is the running time of the ferro-resonance oscillation test.

Table 508 – Test voltage for temperature rise test
Replace the existing Table 508 by the following table:
IEC 61869-5:2011-07/COR1:2015-08(en-fr)

– 2 – IEC 61869-5:2011/COR1:2015
 IEC 2015
Table 508 – Test voltage for temperature rise test
Burden Rated burden Thermal limiting output
from a secondary
a
winding
Voltage factor -
F = 1,2 F = 1,5 or 1,9 F = 1,9
V V V
& fault
-
continuous 30 s 8 h
duration time
Configuration Electro- Complete Electro- Complete Electro- Complete Electro- Complete
of test magnetic capacitor magnetic capacitor magnetic capacitor magnetic capacitor
unit voltage unit voltage unit voltage unit voltage
transformer transformer transformer transformer
Test voltage till
1,2× U
Pr
1,2×U 1,2×U U
temperature U =
Pr Pr Pr
S
U = 1,2 ×U U = U = 1,2 ×U U = U = 1,2 ×U U = U = U
S S
k C
r P Pr P Pr P Pr P Pr
rise
...