Last Updated：2025/12/07
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The maintenance team scheduled a Tan Delta test to assess the insulation deterioration of the transformer by applying AC voltage at two temperatures and comparing the reactive and resistive components of the current.
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The maintenance team scheduled a Tan Delta test to assess the insulation deterioration of the transformer by applying AC voltage at two temperatures and comparing the reactive and resistive components of the current.
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Related words
Tan Delta test
Noun
uncountable
A
test
to
measure
the
degree
of
deterioration
of
an
electrical
insulation
which
is
performed
at
two
temperature
by
applying
AC
voltage
to
the
test
object
and
measure
the
total
current
flow
through
it,
and
separating
and
comparing
the
reactive
and
resistance
portions
of
the
current
passing
through
it.
Japanese Meaning
電気絶縁体の劣化度を測定する試験。二つの異なる温度下で、試験対象に交流電圧をかけ、試験対象を流れる全電流の中から反応性成分と抵抗成分を分離・比較することで、絶縁体の状態や劣化の程度を評価するテスト。
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