Siemens installing Sitras supercap-based stationary energy storage unit for TriMet light right substation
Green Car Congress
JUNE 3, 2013
The system can be connected either directly to the traction power supply system or to the busbar in the substation by means of the connection unit, comprising the disconnector, the DC high-speed circuit-breaker and the precharging unit. The use of just a single energy storage unit could save a maximum of 500,000 kWh per year, Siemens says.
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