ONDCE-8000/10P-U2 type transformer

Transformer for voltage conversion of the overhead contact line into traction motor circuits and auxiliary systems of the traction unit.

О – Single-phase
NDC  – Forced oil and air circulation with directed oil flow
E – Designed for electric rolling stock applications
8000 – Rated power, kVA
10 – Rated voltage of the line winding, kV
P – Suspended design
U2 – Climatic category and installation type in accordance with GOST15150

Main Technical Characteristics of the Transformer
Parameter	Value
Transformer type	ONDTSE-8000/10-П-У2
Rated power of line winding, kVA	7974
Rated voltage of line winding, kV	10
Supply frequency, Hz	50
Rated voltage of traction winding 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 terminals, V	a₅-3-390
	a₅-4-480
	a₅-x₅-630
Rated power of auxiliary winding terminals, kVA	а₅-3     390
	а₅-4     192
	а₅-х₅     126
Total losses, kW	134,5
Winding connection diagramand 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