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Precision
Fast-PWM Mains Voltage Correction
TSi Power’s VRp automatic precision regulator
line conditioner 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 (pulse-width-modulation) switching of a buck-boost transformer.
Typical VRp
Applications
Designed for applications that require absolutely stable,
high-reliability power, without switching components in the power path.
Applications include, but are not limited to: analytical
equipment, radio and TV broadcast equipment, mobile broadcast vans,
industrial controllers (PLC), milking machines, lithographic equipment,
recording studio equipment and electrolysis equipment.
Key Benefits of
the VRp Series
The low-weight, high efficiency VRp is easy to install in any
environment. The automatic bypass assures that connected equipment will
not shut down, even if 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.
How the VRp
Series Precision Electronic AVR Works
The high frequency IGBT driven converter takes the
incoming ac power, measures against the nominal voltage and adds or
subtracts voltage, 10,000 times per cycle, to achieve the nominal output
voltage +/-3%.
The Automatic Bypass will be activated when there is a fault
condition. Green LED indicates Normal (regulating mode operation),
Yellow LED indicates Bypass (non-regulated output), and the Red LED indicates a Fault condition. |
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SPECIFICATIONS |
VRp-3000 |
VRp-5500 |
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Electrical |
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Capacity in VA (Watts) |
3
kVA (3000 watts) |
5.5
kVA (5500 watts) |
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Regulator engine |
High
Frequency 10kHz IGBT Driven Voltage Regulation Converter |
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Input |
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Nominal voltage |
230
volts ac, single phase |
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Operating voltage |
184 to 264 volts ac |
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Nominal frequency |
47
~ 63
Hz |
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Over-current protection |
Circuit
breaker |
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Circuit breaker rating |
2
x 20 amps |
2
x 40 amps |
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Input wire size |
AWG
10 |
AWG
8 |
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Output |
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Nominal voltage |
230
volts ac, single phase |
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Power efficiency |
96%
(typical) |
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Voltage regulation |
Combined
3% maximum under 0 to 100% load and input of 184 to 264V |
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Automatic bypass |
Automatic
bypass will be activated when there is a fault condition. |
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Status indicators |
System status LED’s provided as follows:
Green LED indicates Normal (regulating mode operation);
Yellow LED indicates Bypass (non-regulated output);
Red LED indicates Fault.
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Surge test conditions |
Per ANSI/IEEE C62.41-1991 6kV normal-mode injection |
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Surge let-through voltages |
Category A3, Ring wave, 200A: L-N: 30V
Cat. B3, Combination wave, 3000A: L-N: 200V
Note: Unit
should be installed as close as possible (within 30’) of
the neutral-to-ground bond at the service entrance, in order
to minimize potential difference between neutral and ground.
A separate isolation transformer is recommended for
installations where distance exceeds above, or for
grounding systems without a neutral-to-ground bond.
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Ac output connections |
Hardwired output terminals (L1, L2, and
ground) are standard.
Optional ac socket option is available (for slight extra charge). |
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Physical |
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Dimensions |
270mm(10.6")wide x 159mm(6.25")high x 368mm(14.5")deep |
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Weight |
18.2 kg (40
lbs) |
22.7
kg (50
lbs) |
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Safety |
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Agency approvals |
Designed
to meet UL1950 and cUL1950 standards. |
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Environmental |
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Ambient temperature |
0
to +40°C, 90%
Relative Humidity (non-condensing), to 10,000ft. (3km) |
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Warranty |
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Warranty |
Two year limited warranty, parts and labor |
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TSi's ongoing product
improvement process makes specifications subject
to change. Other
companies product names herein are for identification purposes only, and
may be trademarks of their respective companies. |
VRp Series
Precision AVR System
Architecture
TSi Power also manufactures
custom automatic voltage regulators.
For special applications, please call.
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