问题描述：
英语翻译
Abstruct- This paper discusses the effects of switching low
inductive currents with 138-kV SF6 breakers in a petrochemical
plant.Switching transients are believed to have contributed to
the failure of a 13.8-kV PT and a 13.8-kV air magnetic circuit
breaker.The high-frequency transient surge can transfer across
a transformer due to transformer capacitances between the highand
low-voltage windings.The electromagnetic transient program
system (ETPS) model and different case studies are discussed
with the effect of different transformer winding capacitances.
The interruption mechanism of low inductive currents is also described.
This analysis demonstrates the need to conduct switching
transient studies and the need for surge arresters on transformer
secondary terminals under certain system conditions.
Abstruct- This paper discusses the effects of switching low
inductive currents with 138-kV SF6 breakers in a petrochemical
plant.Switching transients are believed to have contributed to
the failure of a 13.8-kV PT and a 13.8-kV air magnetic circuit
breaker.The high-frequency transient surge can transfer across
a transformer due to transformer capacitances between the highand
low-voltage windings.The electromagnetic transient program
system (ETPS) model and different case studies are discussed
with the effect of different transformer winding capacitances.
The interruption mechanism of low inductive currents is also described.
This analysis demonstrates the need to conduct switching
transient studies and the need for surge arresters on transformer
secondary terminals under certain system conditions.
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