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Variant Cut Sheets
VOZZ-15 12000/20800Y 7525A93G01 | VOZZ-15 14400/24940Y 7525A93G02 | VOZZ-15 18000/18000Y 7525A93G03 | VOZZ-15 24000/24000Y 7525A93G04
VOZZ-15G 12000/20800GY 7525A98G01 | VOZZ-15G 14400/24940GY 7525A98G02
Product features
− 25 kV, 150 kV BIL, 60 Hz, outdoor
− Primary volts: 12000 - 24940
− VOZZ-15 electrical clearances:
Strike: 19.0" (483 mm)
Creep: 36.25" (921 mm)
− VOZZ-15G electrical clearances:
Strike: 12.0" (305 mm)
Creep: 30.5" (775 mm)
− Approximate weights:
VOZZ-15: 205 lbs (93 kg)
VOZZ-15G: 202 lbs (92 kg)
Application
The VOZZ-15 and VOZZ-15G outdoor voltage transformers are
used for high burden metering and relaying service on 25 kV
systems. These units replace the Westinghouse PT-25 gum-filled
potential transformers.
Construction features
The primary and secondary coils are wound using special winding
and shielding techniques for improved voltage stress distribution.
Each coil is insulated with mylar film to provide a high dielectric
strength between layers. The coils and core are combined to create
a complete winding structure that is assembled to a support frame.
The entire assembly is vacuum cast in polyurethane for added
insulation and protection.
Terminals
Stud-type or clamp-type primary terminals are .750-16 x 1.125" and
accommodate #10 to 250 MCM conductors. Compression-type
secondary terminals accommodate #14 through #3 wire.
Baseplate
The baseplate is constructed of corrosion-resistant aluminum with
pre-drilled mounting holes.
Mounting
The VOZZ-15 and VOZZ-15G transformers can only be mounted in
the upright position.
Curves
Type curves are available upon request.
Test reports
Test reports are stored electronically and can be e-mailed in
various formats at the time of shipment.
Standards
This unit can be tested to all applicable IEEE, CSA, or IEC
standards as requested.
