DRY TYPE MEDIUM VOLTAGE AUTO TRANSFORMER, 3 MVA, P/N 8407L

Specifications:

• Dry Type Medium Voltage Transformer, 3 MVA, 3 PH, 60 Hz, P/N 8407L
• Primary: 13800 VAC L-L
• Secondary: 6900 / 8970 / 11040 VAC L-L
• High Voltage BIL: 60 KV
• Aluminum windings
• Class: AA
• Temperature rise: 150 degrees C
• Indoor enclosure: 108″H x 108″W x 60″D approximately
• Estimated weight: 14500 lbs.

The photo of the transformer is shown below:

Features / Options:

High Voltage:

• High Voltage KV BIL: 60
• High Voltage Taps: 50% – 60% – 80%
• High Voltage Windings: Aluminum
• High Voltage: 13800
• HV stub up bus

Low Voltage:

• Low Voltage Windings: Aluminum

Core & Coil:

• Factory standard impedance
• Motor starting not to exceed 6 times during a 24-hour period
• Transformer efficiency is EXEMPT from the requirements of DOE 2016
• Vacuum-pressure impregnated (VPI) windings-Polyester resin

Physical & Environmental:

• Recommended clearances from walls or other obstructions required for access and ventilation: Front = 36″, Top = 18″, Rear = 12″ (36″ for maintenance purposes)

Finish:

• Standard factory paint process with epoxy paint-paint color ANSI 61 light gray color

Testing:

• Routine test per ANSI C57.12.01 are included

Protection:

• Transformer has a 220 degrees C Insulation System

Enclosure:

• Approximate basic enclosure dimensions: 108″H x 108″W x 60″D
• Total Weight: 14500 lbs.
• Case Size ID: US108
• Case Type: Indoor
• Continuous ground bus – 600 Amp minimum
• Transformer design is in compliance with the default SDS (Spectral reponse acceleration) values at jobsite. For higher SDS values or OSHPD compliance consult factory
• Transformer enclosure is of knock down design
• Transformer provided with an Indoor NEMA 1 enclosure with vent slots – ANSI Category C construction for installation in areas accessible to authorized personnel only

Remarks:

• Approval / Record drawings lead time: 2 weeks after receipt of coordination information
• Transformer factory did not receive formal Customer Specifications with “Request for Quote”. Price is based strictly on providing ratings, features, options and constructions as described on this quotation only
• Warranty per Factory Terms and Conditions: 12 months after energization or 18 months after shipping, whichever occurs first

The schematic diagram of the transformer is shown below:

The details of the transformer are shown below:

To discuss your specific application, please call our number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.