Method and a system for monitoring and regulating the power...

Details Method and a system for monitoring and regulating the power... Method and a system for monitoring and regulating the power...

2008-07-08

2008-07-08

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Load current control

C105S049000, C246S005000

Reexamination Certificate

active

07397149

ABSTRACT:
A method of monitoring and regulating the power and the energy consumed by a transport system including electrically propelled vehicles, said transport system including a power supply system including one or more power supply substations connected to an external electrical power supply network, said power supply substation or substations supplying energy to traction substations supplying power to power supply line sections having vehicle-mounted current pick-up means connected thereto, each vehicle carrying a power converter which is supplied with power by said current pick-up means and which monitors the power supplied to a traction motor of said vehicle, which method includes the following steps:measuring the instantaneous electrical power and/or energy drawn from the external electrical power supply network by said power supply substation or substations, andif the power or energy drawn from the external network tends to exceed an assigned threshold, sending one or more vehicles a set point acting on the converter on board said vehicle to reduce temporarily the power and/or the speed of rotation of the traction motor.

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