TPS has delivered more than 450 auxiliary power supplies (APS) for monorail platforms worldwide, including a custom-designed APS for monorails in King Abdullah Financial District, Saudi Arabia, and ...

TPS has delivered more than 150 auxiliary power supplies (APS) for a variety of light rail platforms across the world. These products are successfully operating on trains in Beijing Airport, Kuala ...

All but the smallest substations include auxiliary power supplies. AC power is required for substation building small power, lighting, heating and ventilation, some communications equipment, ...

Auxiliary power units (APU) provide vehicles with energy for functions other than propulsion. They are employed in aircraft, ships, and some land vehicles to perform tasks such as starting main ...