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Howard Industries SVR-1 single-phase
step voltage regulators are tapchanging
autotransformers designed
to automatically regulate distribution
line voltages in a range of plus or
minus 10% in thirty-two steps of
approximately 5/8% each.
Internal potential winding taps and/or
an external ratio correction
transformer are provided on all
ratings so that each regulator may be
applied within a range of system
voltages.
A digital control system automatically
operates the tap changer mechanism
to maintain system voltage within
desired limits. The control system is
externally programmable to allow
precise setting of control limits and
provides sophisticated capabilities for
special control requirements,
communication, and data logging.
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| Ratings |
• Voltage: 2500 Volts (60 kV BIL)
through 19920 Volts (150 kV BIL)
• Current: 50 through 1665 Amps
• kVA: 50 through 833
• Frequency: 50 or 60 Hertz
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| Standard Features |
• Gear-driven tap-changer switch
with motor and power supply
• Motor capacitor mounted in control
enclosure for ease of replacement
• Mechanical tap position indicator
with externally adjustable HI-AMPT
limit switches
• Laser-etched nameplates (two)
• Lifting lugs
• Oil drain valve with sampling
device
• Upper filter press connection
• Oil sight gauge
• High-creep porcelain bushings
• Bolt-down provisions (overhead
type regulators)
• Pole mounting brackets (overhead
type regulators)
• Rectangular substation base
(substation type regulators)
• Externally mounted series arrester
(MOV type)
• Mounting provisions for shunt
arresters
• Automatic pressure relief device
• Powder coated mild steel tank,
cover, clamp ring, and control
enclosure
• HI/ICMI UVR-1 digital regulator
control (More Info)
• RUS accepted designs
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| Optional Features |
• Externally mounted shunt arresters
(MOV type)
• Wildlife protection for high-voltage
bushing terminals and lightning
arresters
• Extra-length control cable
• PT's and CT's for external metering
• Elevating platform
• Control enclosure heater
• 4-hole NEMA H-spade connectors
• Cooling fans
• 240-Volt external source
• Powder coated stainless steel
tank, cover, clamp ring, and control
enclosure
• HI/ICMI USC-1 simplified regulator control (More Info)
• HI/Beckwith M-2001C digital
regulator control (More Info)
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