We create transformers for the stable energy supply of humanity

Three-phase, three-winding power transformer with natural oil circulation and forced air circulation, featuring on-load voltage regulation (OLTC) and off-load tap changer (NLTC). Automatic control is provided via an automatic controller supplied with the transformer. Using TDTN-type transformers ensures reliable power supply throughout the entire 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.

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.

The power transformer is a three-phase, double-winding type with a split low-voltage winding, natural oil circulation, and forced air circulation, equipped with an on-load tap changer (RPN). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a TRDN-type transformer ensures reliable power supply to the consumer throughout the entire 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.

Three-phase, three-winding power transformer with natural oil circulation and forced air cooling, with on-load voltage regulation (OLTC), HV side regulation range ±9×1.78%, and tap-changing without excitation (NLTC). Automatic control is performed by an automatic controller supplied together with the transformer. The use of TDTN-type transformer ensures reliable power supply to the consumer throughout the entire service life.

The power transformer is a three-phase, double-winding type with natural oil circulation and forced air circulation, equipped with an on-load tap changer (OLTC). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a TDN-type transformer ensures reliable power supply to the consumer throughout the entire 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.

The TDTNJ transformer is a power, three-phase, three-winding, bell-type transformer with natural oil and air circulation, designed for railways, with ratings of 16000, 25000, 40000 kVA. Transformers with ratings from 25000 kVA are manufactured with bell-type tanks. These transformers are intended for supplying AC electrified railways. Main technical parameters and manufacturing of transformers are according to ГОСТ Р 51559.

The TDTNJ transformer is a power, three-phase, three-winding, bell-type transformer with natural oil and air circulation, designed for railway applications. It is manufactured with rated powers of 16000, 25000, and 40000 kVA. Transformers rated from 25000 kVA are produced with bell-type tanks. These transformers are intended for supplying AC electrified railway networks. The main technical parameters and manufacturing requirements comply with ГОСТ R 51559.

Three-phase oil-immersed transformers of the TMJ type with a power rating of 25–1600 kVA, with natural oil cooling and off-load tap changing, are connected to an AC network with a frequency of 50 Hz and are intended for converting three-phase AC electric power at a voltage of 27.5 kV into AC power at 0.4 kV to supply railway electrical equipment. The transformer is designed for operation in moderate climate regions at an altitude not exceeding 1000 meters above sea level. The transformer is manufactured in accordance with O’zDSt and Ts 00212908-08:2018 standards.

The power transformer is a three-phase, double-winding, oil-filled type with natural oil circulation and forced air circulation, equipped with an on-load tap changer (OLTS). Automatic control is carried out by an automatic controller supplied together with the transformer. It is intended for use in the auxiliary power systems of power plants. The use of a TRDNS-type transformer ensures reliable power supply to the consumer throughout the entire service life.

Power transformer, oil-filled, three-phase, two-winding, with a cooling system of type M / D (ONAN / ONAF), with no-load voltage regulation (PBV) on the high-voltage side (HV). The use of transformer type TRDP ensures reliable power supply to the customer throughout the entire service life.

Power transformer, three-phase, double-winding, with natural oil circulation and forced air cooling, equipped with an on-load tap changer (OLTC). Automatic control is performed by an automatic controller supplied together with the transformer. It is intended for operation in auxiliary power systems of power plants. The use of a TDNS-type transformer 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 circulation, with on-load voltage regulation (OLTC). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a transformer of the TDN type makes it possible to ensure reliable power supply to the consumer throughout the entire service life.

These power transformers are three-phase, two-winding units featuring natural oil circulation and forced air circulation, equipped with no-load voltage regulation (NLTC). The voltage regulation range on the HV side is ±2×2.5%. The transformer is designed for operation in electrical networks. The use of TD-type transformers ensures reliable power supply to consumers throughout their entire service life.

Three-phase, two-winding power transformers with natural oil circulation and on-load voltage regulation (OLTC). Automatic control is performed by an automatic controller supplied together with the transformer. They are designed for use in long-distance power transmission systems, ensuring minimal electrical losses in transmission lines. The use of transformers of the TMN type provides reliable power supply to the consumer throughout the entire 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.

Transformer TFTP(power, three-phase, three-winding of bell type with forced air and oil circulation), railway, with a capacity of 31500 kVA. Transformers with a capacity of 31500 kVA and above are manufactured with bell-type tanks. Transformers are intended for powering electrified railways with alternating current. The main technical parameters and manufacturing of transformers comply with ГОСТ Р 51559.

Transformer TDCNP (power, three-phase, two-winding with forced air circulation and forced oil circulation) with a capacity of 4000÷10000 kVA. Used for installation in mobile transformer substations on truck semi-trailers. The main technical parameters and manufacturing of transformers comply with ГОСТ Р 52719.

Transformer (power, three-phase, two-winding with forced air circulation and natural oil circulation) with a capacity of 4000÷10000 kVA. Used for installation in mobile transformer substations on truck semi-trailers. The main technical parameters and manufacturing of transformers comply with ГОСТ Р 52719.

Three-phase, two-winding power transformers with natural oil circulation and on-load tap changer (OLTC). Automatic control is performed via an automatic controller supplied with the transformer. Designed for operation in power transmission systems, ensuring minimal electrical losses in transmission lines. Transformers are movable on skids. Use of the TMNP type transformer ensures reliable power supply to the consumer throughout the service life.

Power transformers, three-phase, double-wound hermetically sealed, with natural oil cooling. The transformers are designed for converting electrical energy in the networks of the electricity consumers' power systems. The transformer windings are made in aluminum and copper versions, both from winding wires and foil. The transformer windings are round and oval in 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, double-winding transformers with cast insulation are designed for converting electrical energy. Operating mode — continuous. Ambient temperature from -45 °C to +40 °C. Relative humidity not more than 80% at +25 °C. Rated frequency — 50 Hz. Winding connection diagram and group: Y/Yn-0 or Yn-11. Degree of protection: IP21 according to ГОСТ 14234.

TSZ series transformers are three-phase, dry-type, double-winding units designed for electrical energy conversion. Operating mode – continuous. Ambient temperature range: –45°C to +40°C Rated frequency: 50 Hz Winding connection scheme and vector group: У/Ун-0 or Д/Ун-11 Protection degree: IP00 (IP21, IP31) according to ГОСТ 14234

The traction transformer ONDCE-4350/25К-У2 is designed for freight electric locomotives ЭС5К, 2ЭС5К, 3ЭС5К, 4ЭС5К operating on 25 kV, 50 Hz AC electrified railways. The transformer converts the contact line voltage to supply voltage for traction motors, excitation windings of traction motors, and auxiliary circuits of the locomotive. Additionally, the transformer enables inversion mode (converting traction motor voltage back to contact line voltage, excitation circuits, and auxiliary needs).

The transformer is designed for use on mainline passenger electric locomotives to convert the contact network voltage into the voltage for traction motor circuits, excitation of auxiliary needs such as heating and train power supply, and also to convert the traction motor voltage back to the contact network, including excitation and train power supply. Oil circulation is provided by an electric pump. The electric pump is mounted on the transformer and supplied together with it. Climatic design: У, installation category 2 according to ГОСТ 15150 and ГОСТ 15543.1

A transformer designed to convert the voltage of the contact network into the voltage for the traction motors and auxiliary circuits of the traction unit.

The transformer is designed to convert the voltage of traction motor circuits and the auxiliary circuits of units. Circulation is provided by an electric pump type 1ТТ 63/10-У2 (ТУ 3631-005-00220150-2006), and cooling sections are air-cooled. The electric pump is mounted on the transformer and supplied together with it. The transformer meets the requirements of Ts 00212908-14:2018.

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.

Single-phase oil-filled voltage transformers of the ZNOM type with natural cooling are scaling converters designed to generate measurement signals for electric measuring instruments, protection, and signaling circuits in AC networks with isolated neutral at frequencies of 50 and 60 Hz. They can be used indoors and outdoors in temperate climate zones under the following conditions: altitude not exceeding 1000 m above sea level, continuous operation mode, ambient temperature from -45°C to +40°C.

Oil-filled current transformers are designed to convert and transmit measurement signals to metering devices, protection, automation, signaling, and control instruments in alternating current circuits of industrial frequency. They are used in 110 and 220 kV power networks.

Voltage transformers are designed to transmit measurement signals to measuring instruments and/or protection and control devices in alternating current installations of industrial frequency. They are used in 110 and 220 kV electrical 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.

Power transformer, three-phase, two-winding, with natural oil circulation and forced air circulation. Designed for operation in electrical networks. The use of transformer type TD ensures reliable power supply to the customer throughout the entire service life.