Home > Products > Oil-immersed power transformers, voltage class 110–150 kV > Two-winding power transformers with split LV winding, with OLTC, type TRDN-16000÷63000/150-U1(UHL1)

Two-winding power transformers with split LV winding, with OLTC, type TRDN-16000÷63000/150-U1(UHL1)

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

Get the cost

Description

Power range

Power range: 16000÷63000 kVA.
Primary winding voltage HV: 158 kV.
Secondary winding voltage LV: 6.3 kV.
Climatic design: U1 or UHL1.

Transformer symbols

Т – Three-phase transformer.
R – With split LV winding.
D – With natural oil circulation and forced air cooling.
N – With on-load tap changer (OLTC).
Х – Rated power, kVA.
150 – HV voltage class, kV.
U1 or UHL1 – Climatic design and installation category according to ГОСТ15150.

Characteristic

Technical specifications of the TRDN transformer with a capacity of 32000 kVA with 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

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
Rated power, kVA	Length, (L) mm	Width, (B) mm	Height, (H) mm	Along the transverse axis (A), mm	Along the longitudinal axis (A1), mm	Oil mass, kg	Total mass, 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