Transformers, converters, rectifiers -Turnkey solutions
LZM is a premier specialized enterprise renowned for it’s expertise in the design, development, production, and supply of cutting-edge electrical products. With extensive experience in transformer manufacturing and converter equipment production.
JSC "LZM" is one of the largest transformer manufacturing plants in Russia with global expertise in transformer engineering. The company utilizes its own know-how in innovative production processes across the entire design and manufacturing chain.


The company’s core business is the development and production of a wide range of transformer equipment, including oil-filled and dry-type transformers, furnace transformers, converter transformers, explosion-proof transformers, vibration- and seismic-resistant transformers, mining transformers, reactors, and chokes.

Our Products

The main activity of the enterprise is the production of a wide range of electrical products. By combining cutting-edge technology, precision engineering, and industry expertise, LZM ensures that it’s product provides optimal performance, reliability and efficiency for demanding applications in all industries.
• Oil transformers;
• Dry transformers;
• Mobile transformers;
• Electric furnace transformers;
• Converter transformers;
• Traction transformers
• Converters;
• Rectifiers;
• Induction heating lines;
• Melting units;
• Integrated solutions
OIL TRANSFORMERS
The production of oil tanks and circulation pumps for cooling systems with forced oil circulation.
Utilizing advanced Step-Lap technology in transformer core manufacturing, LZM effectively minimizes energy losses, enhancing overall efficiency.

The company specializes in the production of high-performance oil transformers designed for a wide range of applications, including:
• Oil Transformers: 6(10)kV
• Oil Transformers: 25-128kV
• Linear Regulating Transformers: 6(10)kV and 25-128kV
• Mobile Transformers: 25-128kV
• Mine Transformers: 25-128kV
Leveraging extensive expertise in the development of traction and power transformers, LZM has achieved exceptional reliability and compactness in it’s mobile and mine transformer designs, ensuring high power output within a streamlined form factor. The transformers are engineered for maximum operational reliability, incorporating superior electrodynamic performance while maintaining minimal energy losses, optimizing productivity across various industrial applications.

DRY TRANSFORMERS
LZM’s manufacturing facility is equipped with state-of-the-art technology for the production of dry transformers, ensuring the highest standards of quality and reliability. The compound mixing process takes place immediately before pouring, utilizing a Hubers (Germany) vacuum pouring and dosing unit. This advanced system eliminates material heterogeneity and internal voids, significantly enhancing the durability and insulation quality of LZM’s dry transformer windings.
LZM specializes in the development and production of dry transformers with voltage ratings up to 33 kV, including:

• Cast Resin Transformers
• Air-Insulated Transformers
• Converter Transformers
• Earthquake and Vibration-Resistant Transformers
• Outdoor Dry Transformers (IP54-rated)
• Explosion-Proof Transformers

Committed to continuous innovation and adaptability, LZM expands the application range of it’s transformer solutions, designing and manufacturing customized transformer equipment tailored to meet specific customer requirements across diverse industries.

TRANSFORMERS FOR METALLURGY
One of LZM’s core production areas is the design and manufacturing of oil-immersed furnace and converter transformers, engineered to withstand extreme operating conditions, including frequent overvoltages, current overloads, operational short circuits and high thermal loads.


Furnace transformers
LZM’s electric furnace transformers are built for highperformance
and durability, ensuring reliable operation
under harsh industrial conditions. The company specializes
in manufacturing:
• Transformers for Arc Furnaces
• Transformers for Ore-Thermal Furnaces (OTF)
• Transformers for Induction Melting Furnaces (IMF)
• Transformers for Electroslag Remelting Furnaces (ESR)
Converter and Rectifier transformers
LZM’s converter and rectifier transformers are designed for seamless integration with frequency converters and current rectifiers. The facility manufactures two- and three-winding transformers for 6-, 12, 24-, and 36-pulse rectification circuits, incorporating phase shift and equalizing reactors for enhanced efficiency and stability.

• Transformers for Excitation Systems
• Transformers for Electrified Railways
• Transformers for Electrolysis Processes
• Transformers for Electrothermal Systems
• Transformers for Traction Electric Drives

With a commitment to innovation and precision engineering, LZM delivers high-efficiency transformer solutions for demanding industrial and transportation applications, ensuring superior performance, reliability, and energy optimization.
CONVERTERS AND RECTIFIERS FOR METALLURGY
LZM specializes in the development, manufacturing and supply of high-performance power solutions for electro-technological installations in the metallurgical industry. The company offers comprehensive turnkey solutions, including:

• Specialized Furnace and Converter Transformers
• Thyristor and Diode Rectifiers
• Thyristor and Transistor Frequency Converters
• Transistor DC Power Supplies
• Induction Heating and Hardening Systems

LZM’s advanced equipment is designed for integration into electrothermal systems, operating as either standalone solutions for melting, heating and hardening processes or as built-in components within complex technological systems for the production of special alloys, structural steels, high-quality cast iron, ferroalloys, non-ferrous metals, and titanium-based alloys.

Converters
LZM manufactures thyristor- and transistor-based converters, designed to meet the demanding requirements of modern metallurgy. Key specifications include:
• Power range: 160 – 6400 kW
• Operating frequency: 3 Hz – 44 kHz
• Output voltage: 800 – 2000 V

Rectifiers
LZM produces high-performance rectifiers,
tailored to meet diverse industrial applications.
Specifications include:
• Output voltage: 70V – 1000V
• Current range: 1kA – 54kA
• Adjustment range: 10% – 100%

Additionally, LZM manufactures high-voltage rectifiers with:
• Output voltage: Up to 20 kV
• Current capacity: Up to 1000A
• 6-, 12-, 18-, or 24-pulse rectifier configurations, depending on
technical requirements

Induction Melting Complexes
LZM’s latest-generation induction
melting complexes feature a proprietary
microprocessor-based control system,
delivering:
• Enhanced functional capabilities of
converters
• Improved equipment reliability
• User-friendly setup and control
• A digital control panel with real-time status monitoring of the converter, as well as melting and
heating units in complex installations

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Contacts
Int. trade Adviser: Aias Domozhakov
Phone number (whatsapp, telegram): +7 962-849-05-05
e-mail: daa@lzma.ru
140000, Russia, Moscow Region, Lyubertsy, Kotelnicheskaya str. 22
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