Abstract
Since 2001, trolleybus system in Gdynia has been involved in many activities related to the reduction of power consumption, both in terms of implementation and research and development. In PKT, in cooperation with SESTO company, started applications of Smart Grid technologies in supply network: the bilateral supply. The paper presents results of this this novel investment.
Highlights
The city of Gdynia, Poland, exploits an extensive, 50-kmlong trolleybus network, which is serviced by 85 vehicles
The trolleybus system is operated by Przedsiębiorstwo Komunikacji Trolejbusowej Sp. z o.o. (PKT) which, for a number of years, has been working towards limiting energy consumption [1]
In the years 20092012 PKT conducted comprehensive modernisation of the supply system, which resulted in the increase of its reliability and in the decrease of transmission losses [2]
Summary
The city of Gdynia, Poland, exploits an extensive, 50-kmlong trolleybus network, which is serviced by 85 vehicles. This network is supplied from 10 traction substations with 600 V DC. (PKT) which, for a number of years, has been working towards limiting energy consumption [1]. Vehicles with power electronic drive system are gradually introduced and, energy consumption has decreased by more than 20% over the past 10 years. In the years 20092012 PKT conducted comprehensive modernisation of the supply system, which resulted in the increase of its reliability and in the decrease of transmission losses [2]. PKT carries out scientific and research activities connected with reducing energy consumption.
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