Conrad | Components Active Components Thyristors, triacs Performance regulator

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Components > Active Components > Thyristors, triacs > Performance regulator

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PHASE CONTROL BY TRAILING EDGE
PAD 500

In case of a reverse
phase conrol the current
is switched on
immediately after the
zero-crossing of the
alternating current, and
switched off before the
next zero-crossing. This
takes place exactly in
reverse in case of phase
control. In most of the
"dimmers" made with a
triac the load current is
"ignited" only after the
zero-crossing, and this
flows till the next
zero-crossing. Both the
switching versions are
suitable for regulating
ohmic loads. If there are
phase displacements (as
in the case of capacitive
or inductive consumers),
then there are enormous
restrictions - caused by
the current or voltage
surges that appear. While
the phase control is
suitable, for instance,
for electric motors,
capacitive loads mostly
lead to a destruction of
the dimmer.
The essentially more
complex switching
technology of the reverse
phase control, however,
is in a position to
regulate also capacitive
loads, such as dimmable
electronic transformers
(EVGs) along with ohmic
consumers like
incandescent lamps or R7s
halogen rod lamps. These
transformers are
preferably used in the
low-voltage halogen and
LED-lighting technology.
Together with a linear 47
k potentiometer (not
included in the delivery)
a power pf up to maximum
500 W can be adjusted
continuously.

Availability: In Stock

£24.95

Available

Power Controller PP10V-10S

This period/full wave
power controller mounts
on a standard SSR.
Suitable for 1 and 3
phase SSRs, power range
continuously variable 0 -
100 %. Switches at zero
crossing, after full
periods. A variable
analogue input 0 - 10
V/DC produces a variable
pulse/pause ratio. The
LED blinks to indicate
the pulse/pause ratio.

Availability: In Stock

£24.11

Available