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TSi manufactures two ac automatic
voltage regulator (AVR) topologies. The first group consists of ferroresonant constant
voltage regulating transformers and tap switching transformers,
conventionally referred to as AVR. The second group
of voltage regulators, the VRp Series, utilizes TSi's new electronic
PWM 'no-break' voltage
regulation technology, still AVR, but sometimes referred to as
PWM AVR or EVR,
or pulse-width modulated voltage regulation, which utilizes transistors and computer
chips to modify the sine wave to an optimal wave shape.
AVR used to be considered the more heavy duty of the two voltage
regulation topologies for developing country
applications. Over time, the VRp Series has proven itself as not only the more precise methodology, useable on any kind
of load, but also is now preferred for use in countries with quite aberrant
power as well as those with relatively stable power,
such as the US, Europe, etc. AVR is the least expensive voltage regulator technology to use for
loads with low amperage requirements i.e. the 1 to 2 amperes range. TSi
Power Corporation manufactures both kinds of voltage regulators.
Please look at the Features/Series
table, or at the more detailed descriptions further down, to determine
the voltage regulator series you need. In the table, click on the
hyperlink bookmark, such
as 'SLc,' to go to that voltage regulator series summary. If you then
want more detailed specifications, click on the underlined hyperlink.
Automatic Voltage
Regulator Table
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Voltage Regulator
Features |
Voltage Regulator Series |
Automatic Voltage
Regulator Series
(Click on underlined hyperlink for full specifications)
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VRp-3000-5500
VRp-7500-10000
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VRp
~ Single phase
Voltage
regulating precision power line conditioner ~
VRp provides output voltage within
plus/minus 3% of nominal, for input voltage that varies between 184 to
264vac. There is no switching of taps or otherwise a break in the power
path thanks to continuous PWM switching of a buck-boost transformer. The
VRp voltage regulator is designed for applications that require absolutely
stable, high-reliability power, without switching components in the power
path. The low-weight, high efficiency VRp electronic voltage regulator is
easy to install in any environment. The automatic bypass assures that
connected equipment will not shut down, even if the VRp fails. VRp is
compatible with all loads as it does not switch any components in the
power path. VRp’s ultra-low impedance assures stability even with the
most demanding loads.
VRp-3000-5000 VA
120V, 3 and 5.5 kVA single phase.
VRp-3000-5500 VA
230V, 3 and 5.5 kVA single phase.
VRp-7500-10000 VA, 230V, 7.5
and
10 kVA single phase.
Other sizes are available. Please call.
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VRp-9000-15000
VRp-22500-30000
VRp-9000-16500-0338
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VRp
~ Three phase,
VRp Series ~ Precision
voltage
regulation.
VRp provides output voltage within
plus/minus 3% of nominal,
for input voltage that varies between 184 to
264vac per phase.
There is no switching of taps or otherwise a break in the power
path thanks to continuous PWM switching of a buck-boost transformer.
The
VRp voltage regulator is designed for applications that require absolutely
stable, high-reliability power, without switching components in the power
path. The low-weight, high efficiency VRp electronic voltage regulator is
easy to install in any environment. The automatic bypass assures that
connected equipment will not shut down, even if the VRp fails. VRp is
compatible with all loads as it does not switch any components in the
power path. VRp’s ultra-low impedance assures stability even with the
most demanding loads.
VRp-9000-15000,
three phase,
9 & 15kVA
VRp-9000-16500-0338,
three phase, 9 and 16.5 kVA, 230/400V
(in a special stackable cabinet designed for use with a matching
ILc-9000-16500 isolation line conditioner)
VRp-22500-30000,
three phase, 22.5
and 30kVA
VRp-22500-30000-0338
three phase, 22.5 and 30 kVA, 230/400V
(in a special stackable cabinet designed for use with a matching
ILc-22500-30000 isolation line conditioner)
(Other sizes are available. Please call.)
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VRx ~ Single phase
Outdoor rated enhanced PWM AVR ac protection for demanding
applications with automatic line regulation, independent OVP and automatic
bypass. This
product has five-stage automatic line-voltage regulation and automatic bypass.
It's fail-safe design assures OVP functions even if voltage regulation circuits
fail and unit transfers to bypass. Features include EFT and power/noise
protection with low dv/dt, coordination of surge protective devices, and
optional distribution DIN-rail that accommodates up to four distribution
breakers.
VRx-4400
~ 230V, 4.4 kVA
Customized versions are available. Built-in
isolation transformer option is also available. An outdoor line conditioner
comprised of the VRx AVR plus isolation transformer is an ideal choice for
remote mission-critical applications. Please call.
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SLc
~ Single phase
Four stage tap-switching voltage regulation.
Recommended for office and other moderate environments where there is a need for
line voltage regulation and surge protection. The SLc units offer three-step
voltage regulation, good surge protection and noise filtering, quiet operation
at an economical price. Applications for these voltage regulators include photocopiers, telephone and
point-of-sale systems.
SLc-600-1200-1800
~ 120V ~ 600, 1200 and
1800 VA
SLc-600-1200-1800
~ 230V ~ 600, 1200 and
1800 VA
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FLc
~ Single phase
Ferroresonant
voltage regulation is recommended for extreme environments where absolute reliability
is a must. The FLc voltage stabilizer units can replace a dedicated line and reduce harmonics,
while improving system performance. Applications include industrial control
equipment and telephone systems, generator/UPS combinations and other types of
equipment with high availability and reliability requirements. The FLc Series of
voltage stabilizers offers guaranteed constant output voltage via a ferroresonant transformer, full isolation with a
neutral-to-ground bond, the best surge protection available, excellent noise
filtering, as well as excellent reliability.
FLc-750-1000-1500 ~ 120V ~ 750, 1000 and 1500VA
(230V models
are available). |
TSi Power also manufactures
custom voltage regulators.
For special applications, please call.
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