Last Updated
：2025/11/21
polyphase circuit
Noun
(electrical)
A
group
of
alternating
current
circuits
having
two
or
more
interrelated
voltages,
usually
of
equal
amplitudes,
phase
differences,
and
periods,
etc;
if
a
neutral
conductor
exists,
the
voltages
referenced
to
the
neutral
are
equal
in
amplitude
and
phase;
the
most
common
version
is
that
of
3-phase,
equal
in
amplitude
with
phases
120
degrees
apart.
Japanese Meaning
多相回路：2つ以上の交流相を持つ回路。各相は通常、同一の振幅、位相差、周期を持ち、中性導体が存在する場合は中性点に対する電圧も同一となる。最も一般的な形態は3相回路であり、各相が120度ずつ位相差を持って配置される。
Sense（1）
(electrical)
A
group
of
alternating
current
circuits
having
two
or
more
interrelated
voltages,
usually
of
equal
amplitudes,
phase
differences,
and
periods,
etc;
if
a
neutral
conductor
exists,
the
voltages
referenced
to
the
neutral
are
equal
in
amplitude
and
phase;
the
most
common
version
is
that
of
3-phase,
equal
in
amplitude
with
phases
120
degrees
apart.
（ plural ）
Quizzes for review
(electrical) A group of alternating current circuits having two or more interrelated voltages, usually of equal amplitudes, phase differences, and periods, etc; if a neutral conductor exists, the voltages referenced to the neutral are equal in amplitude and phase; the most common version is that of 3-phase, equal in amplitude with phases 120 degrees apart.
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See correct answer
polyphase circuit
The engineer tested the polyphase circuit to ensure balanced phase voltages under load.
See correct answer
The engineer tested the polyphase circuit to ensure balanced phase voltages under load.
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