Description

VPI transformers are an excellent alternative in applications which call for an environmentally friendly, economical solution. They reduce flammability concerns, require less maintenance, and are less prone to contaminating the surrounding environment than liquid filled transformers and avoid the need for oil containment during construction.

The high caliber of engineering design ability has allowed JST Power Equipment, Inc. to provide transformers in many different applications around the world.

Standard Features Include

• Voltage: Up to 15 kV
• BIL: Up to 125kV BIL
• Ratings: Up to 14.5 MVA
• Enclosure: NEMA 1, 12, 3R, 4 & 4X (IP Ratings available upon request)
• Rated Power: 100kVA – 14.5 MVA
• High Voltage: 600V – 15kV
• Typical High Voltages (kV): 2.3, 4.16, 8.7, 12.47, 13.2, 13.8, 15
• Low Voltage: 0.208, 0.24, 0.48, 2.4, 4.16

Special Options

• Reactor
• Water cooled reactor
• Temperature Controller
• Temperature Switch
• Arrester
• Bottom Fan
• Enclosure – Options include NEMA rated or IP rated customer enclosures designed and fully tested to meet different environmental concerns.

Accessories

• Up to 36 pulse transformer
• Specialty applications

IEC Standards

IEC 60076-1-5 Electrical Transformer
IEC 61378-1:1997 Converter Transformer
IEEE Standards
C57.12.01-2020 Dry-Type Power Transformer
GB or JB Standards
JB/T 8636-1997 Power Converter Transformer
GB1094.11-2007 Dry-Type Power Transformer
GB1094.1-1996 Power Transformer – General
GB1094.2-1996 Temperature Rise

Note: Specific requirements determined by customer specification.

Markets and Applications

• Renewables: Wind, Solar & BESS
• Utilities: Power Generation and Substations
• Construction: Industrial and Commercial
• Data Centers, Cryptocurrency and Mining
• Marine and Transportation
• Industrial / Manufacturing
• Variable Frequency Drives
• Variable Speed Drives
• Converter Applications
• Thermal Loading Designs (Furnace, Ovens, etc.)
• General Purpose Auxiliary Power

Dry Type Transformer with NOMEX® Insulation
Special Electrical Properties

NOMEX insulation with compact structure has low dielectric constant. This makes the electric field between insulation and cooling medium more uniform, reducing dielectric loss.

Under 482°F (250°C) it still has high specific resistance and excellent dielectric performance under power frequency and impulse.

Additional NOMEX Benefits

• Fire Resistance
• Moisture Resistance
• Mechanical Toughness
• Thermal Stability
• Chemical Compatibility
• Radio Resistance
• Non-Toxic Construction

The JST Difference

• First and Focused on Uptime
• Delivering Complete Unit Substations and Single Source Accountability
• Beyond Manufacturing—Addressing Operational Obstacles
• Quality Certifications
• Market Leadership