Transformer type ОНДЦЭ-8000/10П-У2

A transformer designed to convert the voltage of the contact network into the voltage for the traction motors and auxiliary circuits of the traction unit.

О – Single-phase
НДЦ – Forced oil and air circulation with directed oil flow
Э – For use in electric rolling stock
8000 – Rated power, kVA
10 – Rated voltage of the network winding, kV
П – Suspended design
У2 – Installation category and climatic design according to ГОСТ15150

Main Technical Specifications of the Transformer
Parameter	Value
Transformer type	ОНДЦЭ-8000/10-П-У2
Rated power of network winding, kVA	7974
Rated voltage of network winding, kV	10
Supply network frequency, Hz	50
Rated voltage of traction winding at terminals, V	а₁–х₁,    а₂–x₂,    а₃–x₃,    а–x₄,  660
	а₁–1,    1-х₁,    а₃–2,    2-х₃,    330
Rated power of auxiliary winding, kVA	-
Rated voltage of auxiliary winding at terminals, V	a₅-3-390
	a₅-4-480
	a₅-x₅-630
Rated power of auxiliary winding at clamps, kVA	а₅-3     390
	а₅-4     192
	а₅-х₅     126
Total losses, kW	134,5
Winding connection scheme and vector group	1/1-1-1-1-1-0-0-0-0-0
Oil weight, kg	1600
Total weight, kg	9700
Dimensions (L×B×H), mm	2530х1820х2575