Method of detecting a fault in a pulsed power distribution system
AssigneePanduit Corp.
InventorsRonald A. Nordin, Masud Bolouri-Saransar, Paul W. Wachtel
Life of this patent
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Abstract
A method of detecting a fault in a power distribution system includes placing a signal on the system at a frequency F1 and then detecting a change in the signal due to a change in the impedance of the system as a result of a fault wherein the change is one of a change in phase, a change in signal tone, or a change in voltage level at the load. In one embodiment, band reject filters can be used to diminish the signal at the load or source. In another embodiment, the power source can be a periodic pulsed power source and the signal can be placed on the system during an idle phase of the periodic pulsed power.
Claims20
A method of detecting a fault in a power distribution system, the method comprising:
- providing a power transmitter;
- controlling the power transmitter to provide power in a form of periodic pulsed power, the periodic pulsed power including a voltage high portion and a voltage low portion;
- providing a transmission line connecting the power transmitter to a power receiver;
- measuring a first current measurement at the power transmitter;
- measuring a second current measurement at the power receiver;
- comparing the first current measurement to the second current measurement;
- and
- determining a fault is present within the power distribution system based on the comparison of the first current measurement to the second current measurement.
A power distribution system comprising:
- a power transmitter configured to provide power in a form of periodic pulsed power, the periodic pulsed power including a voltage high portion and a voltage low portion;
- a transmission line connecting the power transmitter to a power receiver;
- and
- a detection circuitry configured to:
- measure a first current measurement at the power transmitter;
- receive, from the power receiver, a second current measurement measured at the power receiver;
- compare the first current measurement to the second current measurement;
- and
- determine a fault is present within the power distribution system based on the comparison of the first current measurement to the second current measurement.
A power transmitter for use in a power distribution system, the power transmitter comprising:
- a power supply configured to provide power in a form of periodic pulsed power, the periodic pulsed power including a voltage high portion and a voltage low portion;
- a detection circuitry configured to:
- measure a first current measurement at the power transmitter;
- receive, from a power receiver, a second current measurement measured at the power receiver;
- compare the first current measurement to the second current measurement;
- and
- determine a fault is present within the power distribution system based on the comparison of the first current measurement to the second current measurement.
Dependencies are inferred from the claim text.