500kV On-Load Tap-Changing Single-Phase Autotransformer
ODFSZ-250000/500
Product Overview
High-Performance power transformer designed and manufactured to international standards, suitable for power transmission and distribution systems worldwide.
Inquire NowTechnical Specifications
| Model | ODFSZ-250000/500 |
| Rated Capacity | 250000/250000/80000 kVA |
| Rated Voltage Ratio | (525/√3)/(230/√3 ±8x1.25%)/36 kV |
| Short-Circuit Impedance | High Voltage-Medium Voltage: 14 High Voltage-Low Voltage: 50 Medium Voltage-Low Voltage: 35 |
| Rated Frequency | 50 Hz |
| Connection Symbol | Ia0I0(Single-Phase) YNa0d11(Three-Phase Combined) |
| Insulation Level | SI1175LI1550AC680-LI325AC140 LI950AC395-LI325AC140 LI200AC85 kV |
| Cooling Method | ONAN/ONAF(70%/100%) |
| No-Load Loss | 67.8 kW |
| Load Loss | 349.5 kW |
| Temperature Rise Limit | Top Oil: 54 Winding Hot-Spot: 77 K |
| Noise (Sound Pressure Level) | 70 dB(A) |
Frequently Asked Questions
What is the rated capacity?
The rated capacity is 250000/250000/80000 kVA.
What is the rated voltage?
The rated voltage is (525/√3)/(230/√3 ±8x1.25%)/36 kV.
What is the short-circuit impedance?
The short-circuit impedance is High Voltage-Medium Voltage: 14High Voltage-Low Voltage: 50Medium Voltage-Low Voltage: 35.
What is the rated frequency?
The rated frequency is 50 Hz.
What is the insulation level?
The insulation level is SI1175LI1550AC680-LI325AC140LI950AC395-LI325AC140LI200AC85 kV.
What is the cooling method?
The cooling method is ONAN/ONAF(70%/100%).
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.