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76 MVA 115kV to 35kV Three-Phase OLTC Substation Transformer

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Availability: Some items may be in stock.
For current availability or a custom quote, please contact us at quote@amrocor.com.

Price:

$1,800,000.00

76 MVA 115kV to 35kV Three-Phase OLTC Substation Transformer

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Price:

$1,800,000.00

Availability: Some items may be in stock.
For current availability or a custom quote, please contact us at quote@amrocor.com.

Description

This 76 MVA Three-Phase Substation Transformer with On-Load Tap Changer (OLTC) is engineered for high-capacity step-down operation from 115 kV to 35 kV, delivering efficient and reliable power distribution for large utility, industrial, and commercial networks. Its OLTC allows precise voltage regulation under load, ensuring optimal performance in demanding service conditions while meeting stringent IEEE and UL standards.

Technical Specifications

Feature Specification
Cooling Type ONAN / ONAF
Primary Voltage 115 kV
Secondary Voltage 35 kV
Rated Capacity 76 MVA
Rated Frequency 60 Hz
Tap Range ±2 × 2.5% (On-Load Tap Changer)
Winding Materials Copper or Aluminum
Core Material Grain-Oriented Silicon Steel Sheet
Impedance ~6.50%
Standards IEEE C57.12.00 etc., UL Listed
Sound Level ~68 dB (for 10 MVA, similar levels for larger units)
Dielectric Fluid Options Non-PCB Mineral Oil or FR3 Biodegradable Oil
Vector Configurations Delta–Wye, Wye–Wye, Delta–Delta, Wye–Delta (per request)

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