A mobile solar charging facility. The present invention relates to power supply and charging techniques for a mobile electric apparatus during movement, and in particular to such a facility having a combined technique of a solar photovoltaic battery and solar thermal power generation, and matching techniques and extended applications related to light compensation, energy storage, etc. The present invention is aimed at solving the problem of charging an electric vehicle when traveling. A highly cost-effective solar power source is used for power supply. The technical solutions of a contact rail and a collector shoe are used for mobile power supply and charging. An arc extinction circuit and an energy storage super-capacitor are provided in a line, and a safety protection measure is provided. A condenser lens and a compensation lens which can increase a power generation amount and do not need to be tracked as provided for solar power generation.

A system for connecting and disconnecting rail vehicle system for storing, transporting, and delivering bulk electric energy using railroads is described. The system includes. The system includes at least one rail vehicle system. The rail vehicle system includes a locomotive and a group of rail cars. The group of rails cars includes several rail cars with energy storage, power electronics and communication system. The rail car further includes a pantograph. The system also includes a plurality of electrical feeders. The electrical feeders are substantially dedicated for providing power transfer to and from the respective groups of rail cars. The system further includes at least one position controls system. The position control system is configured to be coupled to the geographical location of at least one electrical feeder, and it is substantially dedicated for aligning the geographical location of at least one group of rail cars with the geographical location of the respective electrical feeders for the group of rail cars. The system further includes energy management system for the controls of charging and discharging of onboard energy storage on the rail vehicle system.

A virtual co-phase power supply system topology suitable for an electrical sectioning device at a sectioning and paralleling post (SP) includes a step-down transformer TR.sub.1. A primary winding of the step-down transformer TR.sub.1 is electrically connected to a traction feeding section β.sub.2 in a train from a traction feeding section β.sub.1 to the traction feeding section β.sub.2. Each secondary winding is electrically connected to one rectifier separately. DC buses output from the rectifiers are connected in parallel. The other end of the DC bus is electrically connected to a plurality of parallel inverter units. An LC filter is provided on a DC bus between a rectifier unit and the inverter unit, and the LC filter is connected in parallel to an energy storage unit. After filtering through the LC filter, an output end of the inverter unit is electrically connected to a primary winding of a step-up transformer TR.sub.2.

An apparatus comprises a conductor bar operable to form a portion of a track. The apparatus further comprises a plurality of carriers. Each of the plurality of carriers comprises a collector shoe operable to engage the conductor bar to enable each of the plurality of carriers to advance along the track. The apparatus further comprises a motor power control device configured to deliver power to the collector shoes associated with each of the plurality of carriers to drive the plurality of carriers along the track.

An apparatus comprises a conductor bar operable to form a portion of a track. The apparatus further comprises a plurality of carriers. Each of the plurality of carriers comprises a collector shoe operable to engage the conductor bar to enable each of the plurality of carriers to advance along the track. The apparatus further comprises a motor power control device configured to deliver power to the collector shoes associated with each of the plurality of carriers to drive the plurality of carriers along the track.

An arrangement for connecting a railway power supply for a railway track to a three-phase supply network. The arrangement has a three-phase AC transformer and a balancing device for a uniform electric load of the three phases of the three-phase supply network. The three-phase AC transformer is configured for connecting to the three-phase supply network on the primary side and is connected to the balancing device on the secondary side. The three-phase AC transformer is configured for connecting to a railway power supply which has an autotransformer system with two contact lines and two conductors that are carried along the railway track in an insulated manner.

An electrical grid management system is disclosed, and includes a plurality of segmented pathways that each include a corresponding renewable energy source and a vehicle propelled along the plurality of segmented pathways. The electrical grid management system includes a system control module including control logic determining a baseline operational plan. The baseline operation plan is based on scheduling and operational requirements of the vehicle. The electrical grid management system also includes a corresponding supercapacitor provided for at least one of the plurality of segmented pathways. The supercapacitor stores energy generated by the corresponding renewable energy source for later use to propel the vehicle along a corresponding segmented pathway. The electrical grid management system includes a plurality of section control modules in communication with the system control module, the corresponding supercapacitor, and the main grid.

An electrical grid management system is disclosed, and includes a plurality of segmented pathways that each include a corresponding renewable energy source and a vehicle propelled along the plurality of segmented pathways. The electrical grid management system includes a system control module including control logic determining a baseline operational plan. The baseline operation plan is based on scheduling and operational requirements of the vehicle. The electrical grid management system also includes a corresponding supercapacitor provided for at least one of the plurality of segmented pathways. The supercapacitor stores energy generated by the corresponding renewable energy source for later use to propel the vehicle along a corresponding segmented pathway. The electrical grid management system includes a plurality of section control modules in communication with the system control module, the corresponding supercapacitor, and the main grid.

The present invention proposes a hybrid converter branch operating mode for a Modular Multilevel power Converter MMC with MMC cells in distinct subsets operating according to a “pulse blocked” cell operation mode with DC cell voltage increase or according to a “bypass” cell operation mode without DC cell voltage increase. Repeated cell subset assignment and corresponding alternation of cell operating mode allows to reduce or at least manage a mean deviation of the cell capacitor DC voltages of the converter cells. The invention also reduces no-load losses of the MMC in standby mode and a charging voltage in an MMC charging mode.

The present invention proposes a hybrid converter branch operating mode for a Modular Multilevel power Converter MMC with MMC cells in distinct subsets operating according to a “pulse blocked” cell operation mode with DC cell voltage increase or according to a “bypass” cell operation mode without DC cell voltage increase. Repeated cell subset assignment and corresponding alternation of cell operating mode allows to reduce or at least manage a mean deviation of the cell capacitor DC voltages of the converter cells. The invention also reduces no-load losses of the MMC in standby mode and a charging voltage in an MMC charging mode.