Portable self powered line mounted device and method for measuring the voltage of electric power line conductors
First Claim
1. A device for measuring a voltage of an electric power line conductor of a power system comprising:
- a first electrically conductive housing configured to be installed on a first power line conductor;
a first virtual grounding member configured to electrically ground a first housing to a first power line conductor voltage;
a first measuring resistor electrically connected between the first virtual grounding member and an electrically isolated lead wire, the electrically isolated lead wire electrically connected to a first voltage dropping device, the first voltage dropping device configured to be electrically connected to a second power line conductor; and
a sensor electronics module configured to measure a voltage drop across the first measuring resistor, the voltage drop being directly proportional to the voltage between the first power line conductor and the second power line conductor.
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Accused Products
Abstract
A device for measuring a voltage of an electric power line conductor of a power system according to an exemplary aspect of the present disclosure includes, among other things, a first electrically conductive housing configured to be installed on a first power line conductor and a first virtual grounding member configured to electrically ground a first housing to a first power line conductor voltage. A first measuring resistor is electrically connected between the first virtual grounding member and an electrically isolated lead wire, the electrically isolated lead wire is electrically connected to a first voltage dropping device, the first voltage dropping device is configured to be electrically connected to a second power line conductor. A sensor electronics module is configured to measure a voltage drop across the first measuring resistor, the voltage drop being directly proportional to the voltage between the first power line conductor and the second power line conductor.
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Citations
39 Claims
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1. A device for measuring a voltage of an electric power line conductor of a power system comprising:
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a first electrically conductive housing configured to be installed on a first power line conductor; a first virtual grounding member configured to electrically ground a first housing to a first power line conductor voltage; a first measuring resistor electrically connected between the first virtual grounding member and an electrically isolated lead wire, the electrically isolated lead wire electrically connected to a first voltage dropping device, the first voltage dropping device configured to be electrically connected to a second power line conductor; and a sensor electronics module configured to measure a voltage drop across the first measuring resistor, the voltage drop being directly proportional to the voltage between the first power line conductor and the second power line conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A device for measuring the voltage of an electric power line conductor for a power system comprising:
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a first electrically conductive housing configured to be installed on a first power line conductor; a first virtual grounding member configured to electrically ground the first housing to a first power line conductor voltage; a first measuring resistor electrically connected between the first virtual ground member and an electrically isolated lead wire, the electrically isolated lead wire electrically connected to a first voltage dropping device, the first voltage dropping device configured to be electrically connected to an earth grounded neutral conductor; and a sensor electronics module configured to measure a voltage drop across the first measuring resistor, the voltage drop being directly proportional to a voltage between the first power line conductor and the earth grounded neutral conductor. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
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36. A device for measuring the voltage of an electric power line conductor for a power system comprising:
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a first electrically conductive housing configured to be installed on a first power line conductor; a first virtual grounding member configured to electrically ground the first housing to a first power line conductor voltage; a first measuring resistor electrically connected between the first virtual ground member and an electrically isolated lead wire, the electrically isolated lead wire electrically connected to a first voltage dropping device, the first voltage dropping device configured to be electrically connected to an ungrounded neutral conductor; and a sensor electronics module configured to measure a voltage drop across the first measuring resistor, the voltage drop being directly proportional to a voltage between the first power line conductor and the ungrounded neutral conductor. - View Dependent Claims (37, 38, 39)
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Specification