We create transformers for the stable energy supply of humanity

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

The transformer TRDCN-63000/220-U1 is a power, two-winding unit equipped with split LV windings, a bell-type tank, forced air and oil circulation, and on-load tap changing (OLTC). The transformer is manufactured for moderate climate conditions and is designed for operation at ambient temperatures from –45°C to +40°C. It features a flat-laminated magnetic core made of high-quality electrical steel. The windings are made of copper conductor. The transformer complies with the requirements of ГОСТ 17544.

Three-phase, three-winding power transformer with natural circulation of oil and forced air circulation, with voltage regulation under load (OLTC) and off-load tap changer (NLTC). Automatic control is performed via an automatic controller supplied together with the transformer. Using a ТDТN-type transformer ensures reliable power supply to the consumer throughout the entire service life.

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.

Power transformer, three-phase, two-winding, with split LV winding, natural oil circulation and forced air cooling, 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.

Three-phase, three-winding power transformer with natural circulation of oil and air, with voltage regulation under load (OLTC) from the HV side. Automatic control is performed via an automatic controller supplied together with the transformer. Using a TMTN-type transformer ensures reliable power supply to the consumer throughout the entire service life.

Power transformer, three-phase, three-winding, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). OLTC regulation range (HV side): ±9 × 1.78%. Off-circuit tap changer (DETC) provided. Automatic control is provided by a controller supplied together with the transformer. TDTN-type transformers ensure reliable power supply throughout their service life.

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

Power transformer, three-phase, two-winding, with natural oil circulation and forced air circulation. Designed for operation in electrical power systems. The TD-type transformer ensures reliable power supply throughout its service life.

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.

TDTNZh type power transformers, three-phase, three-winding, bell-type construction, with natural air and oil circulation, for railway applications. Rated power: 16000, 25000, 40000 kVA. Transformers rated 25000 kVA and above are supplied with bell-type tank design. Designed for power supply of AC electrified railways. Manufactured in accordance with GOST R 51559.

TDTNZh type power transformers, three-phase, three-winding, bell-type construction, with natural air and oil circulation, for railway applications. Rated power: 16000, 25000, 40000 kVA. Transformers rated 25000 kVA and above are supplied with bell-type tank design. Designed for power supply of AC electrified railways. Manufactured in accordance with GOST R 51559.

TMZh type three-phase oil-immersed transformers, rated 25–1600 kVA, with natural oil cooling and off-circuit tap changer (DETC). Suitable for operation in AC systems at 50 Hz. Designed for conversion of three-phase electrical energy from 27.5 kV to 0.4 kV for railway auxiliary power supply systems. Intended for operation in temperate climatic conditions at installation altitudes up to 1,000 m above sea level. Manufactured in accordance with O’zDSt and Ts 00212908-08:2018 standards.

Power transformer, three-phase, two-winding, oil-immersed, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for operation in auxiliary power supply systems of power plants. TRDNS-type transformers ensure reliable power supply throughout their service life.

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.

Power transformer, three-phase, two-winding, with natural oil circulation and forced air cooling, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for auxiliary power supply systems of power plants. TDNS-type transformers ensure reliable power supply throughout their service life.

Power transformer, three-phase, two-winding, with 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. TDN-type transformers ensure reliable power supply throughout their service life.

Power transformers, three-phase, two-winding, with natural oil circulation and forced air cooling, equipped with off-circuit tap changer (DETC). HV-side regulation range: ±2 × 2.5%. Designed for operation in power systems. TD-type transformers ensure reliable power supply throughout their service life.

Power transformers, three-phase, two-winding, with natural oil circulation, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for use in long-distance power transmission systems, ensuring minimal transmission losses in power lines. TMN-type transformers ensure reliable power supply throughout their service life.

Power transformers, three-phase, double-winding, with natural oil and air circulation, equipped with off-circuit tap changers (NLTC). They are intended for use in power transmission systems, providing minimal electrical losses in transmission lines. The use of TM-type transformers ensures reliable power supply to the consumer throughout the entire service life.

TFTP power transformer, three-phase, three-winding, bell-type, designed for railway applications, with forced air and oil circulation, rated power 31500 kVA. Power transformers rated 31500 kVA and above are manufactured with bell-type tanks. Designed for AC electrified railway power supply. Designed and manufactured in accordance with GOST R 51559.

TDCNP power transformer, three-phase, two-winding, with forced air and oil circulation, rated power 4000÷10000 kVA. Designed for installation in mobile transformer substations on truck semi-trailers. Designed and manufactured in accordance with GOST R 52719.

Power transformer, three-phase, two-winding, with forced air and natural oil circulation, rated power 4,000–10,000 kVA. Designed for installation in mobile transformer substations on truck semi-trailers. Designed and manufactured in accordance with GOST R 52719.

Power transformer, three-phase, two-winding, with natural oil circulation, equipped with on-load tap changer (OLTC). Automatic control is provided by a controller supplied together with the transformer. Designed for use in electric power transmission systems, ensuring minimized transmission losses in power lines. Skid-mounted (mobile) design. TMNP-type transformers ensure reliable power supply throughout their service life.

Power transformer, three-phase, two-winding, hermetically sealed, with natural oil cooling. Designed for voltage transformation in consumer power system networks. Windings are available in aluminium or copper design, using either round or foil conductors. The windings may be of circular or oval shape.

Power transformers, three-phase, double-winding, with an oil conservator and natural oil cooling. The conservator, mounted on the tank lid, has a ventilation opening connected through an air dryer. The oil pressure inside the transformer remains constant and does not depend on temperature.

TSL and TSZL series three-phase, dry-type, two-winding cast-resin transformers designed for power conversion applications. Continuous duty operation. Ambient temperature range: −45 to +40 °C. Relative humidity: up to 80% at +25 °C. Rated frequency: 50 Hz. Vector group: Y/Yn-0 or Y/Yn-11. Degree of protection: IP21 in accordance with GOST 14254.

TSZ series three-phase dry-type, two-winding transformers designed for power conversion applications. Continuous duty operation. Ambient temperature range: −45 to +40 °C. Rated frequency: 50 Hz. Vector group: Y/Yn-0 or D/Yn-11. Degree of protection: IP00 (IP21, IP31) in accordance with GOST 14254.

ONDCE-4350/25K-U2 type traction transformer designed for freight electric locomotives ES5K, 2ES5K, 3ES5K and 4ES5K operating on AC electrified railways (25 kV, 50 Hz). The transformer converts overhead contact line voltage into supply voltages for traction motors, excitation windings and auxiliary systems of the locomotive. It also supports reverse (inverting) operation, enabling energy conversion from traction motors back to the contact line, as well as supplying excitation and auxiliary circuits.

The transformer is designed for use on mainline passenger electric locomotives for conversion of overhead contact line voltage into traction motor circuits, excitation systems, auxiliary services (heating and onboard power supply), and for reverse energy conversion from traction motors back to the contact line. Oil circulation is provided by an electric pump. The pump is mounted on the transformer and supplied as a complete assembly. Climatic category U, installation type 2 in accordance with GOST 15150 and GOST 15543.1.

Transformer for voltage conversion of the overhead contact line into traction motor circuits and auxiliary systems of the traction unit.

The transformer is designed for voltage conversion in traction motor circuits and auxiliary systems of the unit. Oil circulation is provided by a 1TT 63/10-U2 electric pump (TU 3631-005-00220150-2006), with cooling sections air-cooled. The pump is mounted on the transformer and supplied as a complete assembly. The transformer complies with Ts 00212908-14:2018 requirements.

The single-phase traction transformer is designed to convert the voltage of the contact network into the voltage required for the traction motor circuits and auxiliary systems of AC electric trains operating at 25 kV for suburban and local services. Oil circulation is provided by an electric pump. The electric pump is mounted on the transformer and supplied as a complete assembly with the transformer. Climatic version — У, placement category — 1, according to ГОСТ 15150 and ГОСТ 15543.1.

Explosion-proof complete transformer substations KTPV, with rated power from 100 to 630 kVA, are designed to supply three-phase AC power to electrical equipment installed in underground workings hazardous due to gas and dust, as well as to provide leakage-current protection and maximum current protection of low-voltage lines. The substation is equipped with transformers of the ТСВ type. The power transformer is assembled on a core-type magnetic circuit made of cold-rolled electrical steel with low specific losses. The magnetic core of the power transformer is three-phase, core-type, manufactured using “Step-Lap” technology from cold-rolled grain-oriented electrical steel. The lamination stacking is performed in five sheets. The transformer windings are made of copper wire with heat-resistant insulation. Insulation type — aramid paper “prepreg” or “Nomex”. Winding type — multilayer cylindrical. The ВН winding has tappings that allow adjusting the transformation ratio within ±5%, brought out to an insulation panel. Components and operating principle of the substation: The substation consists of a power transformer compartment, high-voltage switchgear (РУВН), low-voltage switchgear (РУНН), and a wheel assembly (optional). By switching on the RUV disconnector, the primary voltage is fed to the power transformer compartment. The power transformer converts the voltage of electric energy and transfers it to the РУНН. In the РУНН, the voltage is distributed and supplied to consumers.

ZNOM type single-phase oil-immersed voltage transformers with natural cooling are measuring transformers designed to generate metering signals for electrical instruments, protection and signalling circuits in AC systems with isolated neutral at 50/60 Hz. Suitable for indoor and outdoor installation in temperate climatic conditions, at altitudes up to 1000 m above sea level. Continuous duty operation. Ambient temperature range: −45 to +40 °C.

Oil-immersed current transformers for measurement are designed to convert and transmit measuring signals to metering, protection, automation, signalling and control devices in AC systems at industrial frequency. Suitable for use in 110 and 220 kV power networks.

Voltage transformers for measurement are designed to transmit measuring signals to metering and/or protection and control devices in AC systems at industrial frequency. Suitable for use in 110 and 220 kV power networks.

Single-phase, oil-filled ОМ and converter ОМP transformers with natural oil cooling, connected to 50 Hz AC networks, are designed for converting electrical energy in power systems, supplying electrical equipment of railways, and other single-phase electricity consumers. The transformer complies with Ts 00212908-03:2016; О´zDst requirements.

ОSМ series transformers with power ratings from 0.063 to 4.0 kVA, primary winding voltage from 220 to 660 V, and secondary winding voltage from 12 to 380 V are intended for supplying control circuits, local lighting, signaling, and automation systems. The transformers comply with the requirements of ГОСТ 19294.