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TRDP-12500/35-U1 type power transformer, two-winding

Power transformer, oil-immersed, three-phase, two-winding, with cooling system M / D (ONAN / ONAF), equipped with off-circuit tap changer (OCTC) on the high-voltage (HV) side. TRDP-type transformers ensures reliable power supply to the consumer throughout the entire service life.

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Description

Power range

Rated power: 12500 kVA
Climatic category: U1 / UHL1

Transformer symbols

T – Three-phase transformer.
R – With split low-voltage (LV) winding
D – Natural oil circulation and forced air circulation
P – Mobile type.
Х – Rated power, kVA.
35 – Voltage class, kV.
U1 or UHL1 – Climatic category and installation type in accordance with GOST 15150

Characteristic

Technical characteristics for TRDP-type transformers, rated 12500 kVA, with standard losses.
Rated power, kVA	Rated voltage, kV	Winding connection diagram and vector group	Losses, W		Short-circuit voltage, %	No-load current, %
			No-load	Short-circuit
12500	35	Y/D-Y-11-0	1100	900	8	0,5

Overall and Mounting Dimensions

Transformer overall dimensions
Rated power, kVA	Length, (L) mm	Width, (B) mm	Height, (H) mm	Distance between channel centerlines		Oil weight, kg	Total weight, kg
				Transverse axis (A), mm	Longitudinal axis (A1), mm
12500	3582	3667	4267	1524	1524	6560	27600

Dimensional drawings

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