Home > Products > 110–150 kV oil-immersed power transformers > TRDN-16,000–63,000/150-U1 (UHL1) type two-winding power transformers with split LV winding and on-load tap changer (OLTC).

TRDN-16,000–63,000/150-U1 (UHL1) type two-winding power transformers with split LV winding and on-load tap changer (OLTC).

Power transformer, three-phase, two-winding, with split low-voltage winding, natural oil circulation and forced air circulation, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. TRDN-type transformers ensure reliable power supply throughout their service life.

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Description

Power range

Rated power range: 16,000–63,000 kVA
HV winding rated voltage: 158 kV
LV winding rated voltage: 6.3 kV
Climatic category: U1 / UHL1

Transformer symbols

Т – Three-phase transformer.
R – Split LV winding.
D – Natural oil circulation and forced air circulation.
N – On-load tap changer (OLTC).
Х – Rated power, kVA.
150 – HV voltage class, kV.
U1 or UHL1 – Climatic category and installation type in accordance with GOST 15150

Characteristic

Technical characteristicsfor TRDN transformer, rated 32,000 kVA, standard losses
Rated power, kVA	Rated voltage, kV	Winding connection diagram and vector group	Losses, W		Short-circuit voltage, %	No-load current, %
Rated power, kVA	Rated voltage, kV	Winding connection diagram and vector group	No-load	Short-circuit	Short-circuit voltage, %	No-load current, %
16000	158	Yn/D-D-11-11	16000	88000	20,0	0,8
32000	158	Yn/D-D-11-11	159900	171900	20,5	0,7
63000	158	Yn/D-D-11-11	43000	235000	17,8	0,55

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
Rated power, kVA	Length, (L) mm	Width, (B) mm	Height, (H) mm	Transverse axis (A), mm	Longitudinal axis (A1), mm	Oil weight, kg	Total weight, kg
16000	5800	4220	5300	2000	1524	11200	42400
32000	6310	4450	6000	2000	1524	15090	58500
63000	6900	4850	6250	2500	1524	21750	95325