The company changed their system of supply, from 2, 000 volt ( V ) single phase alternating current which had been used to distribute power from their Pandon Dene Power Station, to three phase current at 5, 500 V . This made NESCo the first statutory authority to supply in such a way.
32.
Each turbo-generator ran at 2, 690 3, 110 RPM, producing three-phase current at 2, 720 volts and rated at 900 kW . Each propeller shaft was driven by two three-phase 3, 150 volt electric motors running at 109 RPM and giving per shaft . At reduced power of up to only one turbo-generator was needed to supply current to both motors, thus maximising fuel economy.
