METHOD AND EQUIPMENT OF ELECTRIC ENERGY SUPPLYING STAND FOR CHECKING PASSENGER CARS WITH FOUR OUTPUT VOLTAGES
The invention relates to a method and an equipment for supplying electric energy for checking passenger and freight cars . According to the invention, the method uses, for supplying, a three-phased nominal voltage of 3x400 Vca and 50 Hz or a higher three-phased voltage, but having the same nominal f...
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Format: | Patent |
Sprache: | eng ; rum |
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