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110kV Start-Up/Standby Transformer

SFFZ-50000/110

Product Overview

High-Performance power transformer designed and manufactured to international standards, suitable for power transmission and distribution systems worldwide.

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Technical Specifications

ModelSFFZ-50000/110
Rated Capacity50000/31500-31500/16667 kVA
Rated Voltage Ratio(115±8x1.25%)/6.3-6.3/10.45 kV
Short-Circuit Impedance15%(±5%)
Rated Frequency50 Hz
Connection SymbolYNyn0-yn0+d
Insulation LevelLI480LIC530AC230-LI250AC95 /LI75LIC85AC35-LI75AC35 kV
Cooling MethodONAF/ONAN(100%/70%)
No-Load Loss30 kW
Load Loss220 kW
Temperature Rise LimitTop Oil: 47.6
Winding Hot-Spot: 62.6 K
Noise (Sound Pressure Level)75 dB(A)

Frequently Asked Questions

What is the rated capacity?

The rated capacity is 50000/31500-31500/16667 kVA.

What is the rated voltage?

The rated voltage is (115±8x1.25%)/6.3-6.3/10.45 kV.

What is the short-circuit impedance?

The short-circuit impedance is 15%(±5%).

What is the rated frequency?

The rated frequency is 50 Hz.

What is the insulation level?

The insulation level is LI480LIC530AC230-LI250AC95 /LI75LIC85AC35-LI75AC35 kV.

What is the cooling method?

The cooling method is ONAF/ONAN(100%/70%).

Can this product be customized?

Yes. GOHOMIN accepts customization requests for this product, including voltage rating, capacity and enclosure/protection level. Contact us with your specification and we will confirm feasibility and lead time.

What certifications does this product meet?

GOHOMIN products are manufactured to IEC standards and available with CE, UL, RCM, GCC, SIRIM and QUACERT-VCN certification depending on the market and project requirements.

What is the minimum order quantity?

MOQ depends on the product type and specification. GOHOMIN is a factory-direct manufacturer and normally accepts trial orders for project evaluation. Contact us for the specific MOQ of this item.