Medcom

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Power Electronics, Propulsion and Auxiliary Traction Converters

Address
ul. Jutrzenki 78 A,
02-230 Warsaw,
Poland
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Medcom

MEDCOM is one of the leading manufacturers of high-power power electronic devices in the world. For more than 30 years, it has been delivering solutions supporting advanced public transport systems and power supply systems for industrial installations and the power sector.

MEDCOM developed and manufactured more than 28,000 dedicated devices for various applications and the customers’ specific requirements. The company has 230 employees, 25% of whom are designers and engineers. Its extensive research and development department and modern production facilities let it design and deploy new products in a record time – just a few months from the moment of beginning work on the design.

Solutions for the vehicle market

The company also specialises in the design, production, and integration of proprietary systems for railway vehicles (rail, metro, tramways), trolleybuses, electric buses, and other electric vehicles operating in all the traction power supply systems in the world. Electric vehicles equipped with MEDCOM’s solutions carry millions of passengers a week within the EU and in countries such as the US, Canada, Brazil, Russia, Turkey, Ukraine, and Belarus.

  • 200kW to 2MW traction inverters
  • 5kW to 300kW auxiliary converters
  • Train control and monitoring systems (TCMS)
  • Electric battery chargers / battery chargers
  • DC/DC converters and DC power supplies
  • High-power active filters
  • Energy recovery converters
  • E-recycler energy recovery systems based on supercapacitors and batteries
  • Hybrid inverters for battery energy storage
  • Chargers for electric vehicles

Products for the power sector and industry

MEDCOM’s AC & DC power supply systems work with systems responsible for the safety of key industrial installations, power systems, and telecommunications systems. Virtually all of the Polish companies from the power sector, including Tauron, EDF, PGE, RWE, Energa, NCBJ Świerk, PGNiG, PSE, Navy Ports of Gdynia and Świnoujście, Orlen, ZA Puławy, and numerous companies from the chemical and mining sectors use MEDCOM’s products.

Medcom across the world

Currently about 40% of MEDCOM’s turnover is generated by export, as the company delivers its products to more than 30 countries in the world.

MEDCOM’s solutions are used not only by major Polish manufacturers of rolling stock (PESA, NEWAG) and electric buses (Solaris), but also international concerns operating globally (e.g. Hyundai Rotem, Siemens) and many leading manufacturers in their local markets (MTTrens in Brazil, KVZS in Ukraine, and Bozankaya in Turkey).

Silicon Carbide technology

MEDCOM is one of the few companies in the world trying to promote the SiC technology, thanks to which within the coming years, we might be facing a huge technological change in the market and progress in the design of power electronics for public transport (railways, metro, tramways, electric buses, trolleybuses).

Instead of the standard silicon semiconductors, the SiC technology uses silicon carbide ones.

Benefits include:

  • Electrical energy converters in vehicles lighter by 30%-40%
  • The size of these devices smaller by 30%-40%
  • Significantly lower noise level and higher level of comfort for the passengers
  • Better vehicle driving parameters
  • Energy losses lowered by 30%

The first product based on components made of silicon carbide was presented by MEDCOM in 2014. It was the PSM-35 SiC static converter. In 2016, MEDCOM’s product offering was enriched by a traction inverter integrated with an auxiliary converter for electric buses ((FT-160-600 / PSM-42), which was made using the Full SiC technology.

Currently, another product based on the SiC technology is under development – a multi-system drive and power supply system for electric multiple units (EMUs).

E-recycler

In 2013, MEDCOM developed the E-recycler – an innovative proprietary system for recovering energy generated during braking of traction vehicles. The E-recycler accumulates the energy from regenerative braking of traction vehicles when it is impossible for other moving vehicles to recover it. The accumulated energy is returned to the overhead contact line when the traction rectifiers are overloaded, which helps limit the consumption of energy absorbed from the supply network by up to 20%.

Vehicle chargers and charging stations

MEDCOM also specialises in the production of chargers for electric buses. The company’s portfolio includes stationary chargers (e.g. for depots or bus terminals) and mobile ones, used to charge vehicles in depots. Thanks to a broad power range (40kW to 500kW), the devices can be used for ultra fast charging of vehicles via a pantograph or via the CCS type (plug-in) interface.

All the charger models are compliant with the latest European charging standards and ensure very high voltage conversion efficiency and a very low level of noise generated in the network. Moreover, they work with all battery types available on the market and work even in extreme weather conditions (-30 to 45°C). MEDCOM also guarantees full service and maintenance support and offers the possibility of modifying solutions and parameters according to individual project specifications.

Train control and monitoring system

The train control and monitoring system (TCMS) integrates crucial subsystems of traction vehicles in order to ensure failure-free operation of the system and reduction of maintenance costs. The TCMS manufactured by MEDCOM includes four main areas, including error diagnostics and monitoring management, traction / drive system management, auxiliary system management, and communication management.

The system provides the driver with access to all the necessary information about errors and diagnostics. The TCMS is used in vehicles such as electric multiple units, metro vehicles, tramways, and locomotives.

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Address
MEDCOM Sp. z o.o.
ul. Jutrzenki 78 A
02-230 Warsaw
Poland

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