31.5 MVA 66kV/11kV Three-Phase Oil-Immersed Power Transformer

Teknik Özellikler

Anma Gücü	31.5 MVA (31,500 kVA)
Yüksek Gerilim	66.0 kV
Alçak Gerilim	11.0 kV / customized
Frequency	50 Hz / 60 Hz
Faz	Three Phase
Soğutma Yöntemi	ONAN / ONAF optional
Vector Group	YNd11 / YNyn0 / customized
Tap Changer	On-load tap changer (OLTC) / Off-circuit optional
Tapping Range	+/-8 x 1.25% (OLTC) / +/-2 x 2.5% (OCTC)
Sargı Malzemesi	Bakır
Core Material	CRGO silicon steel, grain-oriented
Insulation Medium	Mineral insulating oil
Standart	IEC 60076 design reference
Installation	Outdoor substation / indoor GIS substation

Ürün Bilgisi

Durum

Yayınlandı

Ürün Kimliği

31_5_MVA_66KV_11KV_THREE_PHASE_OIL_IMMERSED_POWER_TRANSFORMER

Son Güncelleme

2026-05-17T04:26:02.882452

Application Scenarios

Utility substation step-down at / for distribution networks
Grid interconnection and power transmission projects in Africa and MENA
Large industrial facility main power supply transformers
EPC contractor packages for power plant auxiliary and grid connection

Key Features

31.5 MVA rated capacity for utility substation and grid applications
high voltage class for sub-transmission and transmission grid interconnection
ONAN standard cooling with ONAF upgrade option for higher ambient temperature sites
On-load tap changer (OLTC) available for voltage regulation under load
Full copper windings with CRGO grain-oriented silicon steel core for low losses

Sıkça Sorulan Sorular

Please send us your required MVA rating, primary voltage, secondary voltage, frequency (Hz), cooling class (ONAN/ONAF/OFAF), vector group, impedance, and installation site conditions. We will respond with a technical proposal and indicative pricing within 24 hours.

The product can be produced according to IEC 60076 and customer technical specifications for power transformer applications. Routine and type tests including temperature rise, impulse, and short-circuit withstand are available. Third-party witnessed testing can be arranged.

Large power transformers are shipped with oil-filled or oil-free transport options depending on voltage class and destination. All units include full documentation: routine test report, nameplate data, packing list, and certificate of origin. Lead time is confirmed at order stage based on specification complexity.

İlgili Pazarlar ve Kaynaklar

🌍

Africa & MENA

11kV & 33kV IEC grid requirements

🌏

Middle East & GCC

IEC 60076 · up to 132kV · high ambient

🌎

Latin America

60Hz ANSI/IEEE · 13.8kV / 34.5kV

Alıcı Rehberi

Çin'den nasıl tedarik edilir

IEC vs ANSI Standards

Which standard for your project?

Standartlar ve Uyumluluk