| 11. | Rotary converters were used to convert the three phase AC to 600 volts DC for the tram supply.
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| 12. | When used in this way it is referred to as a synchronous rotary converter or simply a synchronous converter.
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| 13. | The 1500 volt DC heavy rail electrification commenced operation in 1926 and also initially utilised high capacity rotary converters.
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| 14. | The upper level has a concrete platform, supported on brick piers, where the rotary converter was located.
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| 15. | The 15 kV, 50 Hz, 48 tonne locomotives used transformers and rotary converters to power DC traction motors.
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| 16. | The original 500 kW rotary converter motor-generator is no longer used and is on display at the museum.
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| 17. | The transformer reduced this supply, which the rotary converter then converted to 600 volts DC for the tramways network.
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| 18. | Three-phase to direct current rotary converter, with the phases separated by 120 degrees on the commutator . ]]
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| 19. | Remnant fragments of older systems may be tied to the standard frequency system via a rotary converter or static inverter frequency changer.
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| 20. | Two-phase to direct current rotary converter, with the second phase connected at right angles to the first . ]]
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