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PRODUCT |
DESCRIPTION |
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Mono-phase reactors
The single phase RDA reactors can be used both in DC and AC
Applications. In DC to limit or to filter, in combination with
parallel connected capacitors, the ripple of direct current.
In AC they can limit the short-circuit currents and the rate
of current rise (di/dt) and can protect semiconductor power
devices and extend their operating life by limiting transient
over-currents |
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Three-phase reactors (anti-resonance
protection)
The function of the RTB reactors is to protect capacitors
in low voltage power factor correction systems because after
the connection in series with capacitors, the self-resonance
frequency is well below the line harmonics
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Reactors mono-three phase
(commuting)
The function of these reactors is to reduce harmonics in
the line current, to limit the short circuit currents, to
attenuate the line voltage peaks and sags and limiting the
transition currents during switching instants.
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Medium frequency reactors
These reactors are the future
development for UPS called "transformer-less". On next UPS
generation there won't be transformers but the use of these
reactors for filtering and smoothing will be more and more
important
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Rectifier transformers
Purpose of the TRA rectifier
transformers is to operate with the AC/DC power converters
connected to them, to adapt the power line voltage to the
voltage required by the load and to provide galvanic
separation between the load and the power line
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Matching transformers
Purpose of these transformers is to
adapt the power line voltage to the voltage required by the
load and to provide galvanic separation between the load and
the power line. They can also provide a neutral connection,
that can be isolated or grounded
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Interfase Transformers with shell
care
These chokes are used to balance currents from different
branches of pulse rectifier, controlled and not controlled, in
parallel. |
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Transformers with built in
reactor
Purpose of the TIN integrated transformers is to adapt the
UPS converter output voltage to the line voltage required by
the load and to provide galvanic separation between UPS and
load. The integrated inductance, in combination with the
output capacitors, operates as a filter
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Isolating transformers
Purpose of these transformers is to
provide a reliable galvanic separation between load and power
line. Thev provide protection against electric shocks or neutral connection that is isolated
or grounded. The reinforced isolation and the electrostatic screen
provides isolation even if the system is subject
to severe atmoshperic disturbance. |
