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earth ground
接地:指将电气设备的金属部分与地球表面连接
常用释义
词性释义
接地:指将电气设备的金属部分与地球表面连接,以保护人身安全和设备正常运行。
例句
全部
Do
not
touch
any
object
that
could
provide
a
current
path
to
the
common
side
of
the
circuit
under
test
or
power
line (
earth
)
ground
.
请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。
the
lack
of
a
return
path
through
earth
(
ground
)
that
a
current
could
take
in
case
of
contact
with
a
human body
.
一个缺乏通过地球返回路径(地)表示,目前可能会在接触个案,人体。
Note
the
outer
shield
is
always
at
earth
ground
potential
and
has
been
omitted
from these
figures
for
clarity
.
注意,外屏蔽层总是为地电势,为清晰起见,在图中将被省略。
Connect
the
mains
plug
of
the
equipment
only
to
a
mains
outlet
with
an
earth
ground
connection
.
连接电源插头的设备只有一个水管出口与地面连接。
In
general
,
only
one
point
in
the
measurement
system
should
be
connected
to
earth
ground
to
avoid
ground
loops
.
一般而言,在测量系统中应该只有一个点被连接到接地,以避免形成接地回路。
Common
-
mode
current
is
the
current
that flows
between
the
instrument
's
LO
terminal
and
chassis
or
earth
ground
.
共模电流是在仪器的LO(低)端子和机箱或者大地接地点之间流动的电流。
Chassis
connections
must
only be
used
as
shield
connections
for
measuring
circuits
,
NOT as
safety
earth
ground
connections
.
机箱的测量连接必须采用屏蔽连接,和安全地连接不同。
simple
-
separation
from
other
SELV
systems
,
from
PELV
systems
and
from
earth
(
ground
).
简单分离从其他符合SELV系统,从PELV的系统和从地球(地)。
In
contrast
to
a
SELV
circuit
,
a
PELV circuit
can
have
a
protective
earth
(
ground
)
connection
.
相反,一个符合SELV电路,PELV的电路可以有保护接地(地线)连接。
It
may
or
may
not
be
connected
to
earth
ground
.
实际上它可能连接也可能未连接到底。