Home > Products > Oil-immersed power transformers, voltage class 110–150 kV > Power transformers with two windings and a split НН winding, with РПН, type ТРДН-32000/150-У1 (УХЛ1)

Power transformers with two windings and a split НН winding, with РПН, type ТРДН-32000/150-У1 (УХЛ1)

Three-phase, double-winding power transformer with a split LV winding, natural oil circulation and forced air cooling, equipped with on-load tap changer (РПН). Automatic control is performed by an automatic controller supplied together with the transformer. The use of a ТРДН-type transformer ensures reliable power supply to the customer throughout the entire service life.

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Description

Power range

Power range: 32,000 kVA.
Primary winding voltage (HV): 158 kV.
Secondary winding voltage (LV): 6.3 kV.
Climatic version: У1 or УХЛ1.

Transformer symbols

Т – Three-phase transformer.
Р – With split LV winding.
Д – With natural oil circulation and forced air cooling.
Н – With on-load tap changer (РПН).
Х – Rated power, kVA.
150 – HV voltage class, kV.
У1 or УХЛ1 – Climatic design and installation category according to ГОСТ15150.

Characteristic

Technical specifications of the ТРДН power transformer, 32,000 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
32000	158	Ун/Д-Д-11-11	159900	171900	20,5	0,7

Overall and Mounting Dimensions

Overall dimensions of the transformer
Rated power, kVA	Length, (L) mm	Width, (B) mm	Height, (H) mm	Distance between the center lines of the channels		Oil mass, kg	Total mass, kg
				Along the transverse axis (A), mm	Along the longitudinal axis (A1), mm
32000	6310	4450	6000	2000	1524	15090	58500