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               The type FVT and FVTB accumulator chargers 
              serve to charge the accumulator batteries and supply the DC loads 
              of railway passenger-cars. 
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               The type FTA accumulator chargers serve to 
              charge the accumulator batteries and supply the DC loads of railway 
              diesel locomotives. 
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               The type KAV (CCU) carriage controller serves 
              to supervise railway passenger-cars in a complex way (control, diagnostic 
              tasks). 
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               The converter KL-7500 supplies the cooling 
              system of the railway coaches. 
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               The type HGI inverter can be used on vehicles 
              (e.g. on railway cars) to operate refrigerators with compressor, computer 
              and telecommunication units from accumulator. 
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               he type BI 175/230-50-6000 AC/AC converter 
              serves to supply the kitchen of railway dining cars with energy. 
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