Home > Products > Oil-immersed power transformers, voltage class 110–150 kV > Two-winding power transformers with OLTC, type TMN-2500-6300/110-U1(UHL1), energy-efficient, with reduced losses

Two-winding power transformers with OLTC, type TMN-2500-6300/110-U1(UHL1), energy-efficient, with reduced losses

Power transformers, three-phase, double-winding, with natural oil circulation, equipped with on-load tap changers (OLTC). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of TMN-type transformers ensures reliable power supply to the consumer throughout the entire service life.

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Description

Power range

Power range: 2500–6300 kVA
Primary winding voltage HV: 110 kV
Climatic version: U1 or UHL1

Transformer symbols

Т – Three-phase transformer
М – Oil-cooled with natural circulation of oil and air
Н – Voltage regulation under load (OLTC)
Х – Rated power, kVA
110 – HV voltage class, kV
U1 or UHL1 – Climatic version and placement category according to ГОСТ 15150

Characteristic

Каталог.cdr

Technical specifications of TMN 2500-6300/110-U1(UHL1) transformers, energy-efficient with reduced losses
Transformer type	Rated power, kVA	Rated voltage, kV		Winding connection diagram and vector group	Short-circuit voltage, %	Losses, kW		No-load current, %
Transformer type	Rated power, kVA	HV	LV	Winding connection diagram and vector group	Short-circuit voltage, %	No-load	Short-circuit	No-load current, %
TMN-2500/110	2500	115	6,6; 11	Ун/Д-11	10,5	4,5	25	0,6
TMN-6300/110	6300	115	6,6; 11	Ун/Д-11	10,5	6,1	44	0,4

Overall and Mounting Dimensions

Каталог.cdr

TMN-2500-6300/110-U1 (UHL1) Overall dimensions of transformers type
Transformer type	Overall dimensions, mm											Weight, kg
Transformer type	L	B	H	H1	H2	H3	A	N	K	b	b1	Total	Transport	Oil
TMN-2500/110	3690	2905	3920	2075	481	1730	1524	1100	200	400	490	15134	12674	4930
TMN-6300/110	4870	2968	4498	2636	450	1820	1524x2000	1210	420	480	390	26500	22150	8100