Portable self powered line mountable electric power line current monitoring transmitting and receiving system
First Claim
1. A method of determining a fault on a power line conductor comprising the steps of:
- mounting a sensor transmitter receiver unit on the power line conductor with a jaw assembly, wherein a first end of a loop coil is rigidly fixed from movement relative to a second end of the loop coil when the jaw assembly moves between an open position for accepting the power line conductor and a closed position for engaging the power line conductor;
determining a magnitude and a direction of a load current waveform in the power line conductor with the loop coil;
determining a magnitude and a direction of a fault current waveform in the power line conductor with the loop coil;
comparing a polarity of the fault current waveform with a polarity of the load current waveform to determine if a change in polarity between the fault current waveform and the load current waveform occurred to determine the direction of the fault; and
transmitting data representing a fault to at least one remote location when a predetermined trigger value is reached.
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Abstract
A method of determining a fault on a power line conductor includes the steps of determining a magnitude and a direction of a load current waveform in the power line conductor with a loop coil and determining a magnitude and a direction of a fault current waveform in the power line conductor with the loop coil. A polarity of the fault current waveform is compared with a polarity of the load current waveform to determine if a change in polarity between the fault current waveform and the load current waveform occurred to determine the direction of the fault. Data representing a fault to at least one remote location is transmitted when a predetermined trigger value is reached.
87 Citations
8 Claims
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1. A method of determining a fault on a power line conductor comprising the steps of:
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mounting a sensor transmitter receiver unit on the power line conductor with a jaw assembly, wherein a first end of a loop coil is rigidly fixed from movement relative to a second end of the loop coil when the jaw assembly moves between an open position for accepting the power line conductor and a closed position for engaging the power line conductor; determining a magnitude and a direction of a load current waveform in the power line conductor with the loop coil; determining a magnitude and a direction of a fault current waveform in the power line conductor with the loop coil; comparing a polarity of the fault current waveform with a polarity of the load current waveform to determine if a change in polarity between the fault current waveform and the load current waveform occurred to determine the direction of the fault; and transmitting data representing a fault to at least one remote location when a predetermined trigger value is reached. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification