System for monitoring electrical power usage of a structure and method of same
First Claim
1. A method for monitoring usage of electrical power of a structure using an electrical power monitoring system, the structure having one or more main electrical power lines that supply the electrical power to a first load in the structure, the method comprising:
- calibrating the electrical power monitoring system, comprising;
attaching a computational device of the electrical power monitoring system to a first phase line of the structure;
attaching a calibration device of the electrical power monitoring system to a second phase line of the structure, wherein the first phase line of the structure is different than the second phase line of the structure; and
determining amplitudes and phases of currents in each current sensor of a sensing device of the electrical power monitoring system while the computational device is attached to the first phase line and while the calibration device is attached to the second phase line, wherein first calibration data are generated while calibrating the electrical power monitoring system;
storing the first calibration data;
measuring a first raw current using the sensing device of the electrical power monitoring system;
calculating a first measured current based on the first raw current; and
displaying the first measured current.
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Abstract
Some embodiments include a method for monitoring usage of electrical power of a structure using an electrical power monitoring system. The structure can have one or more main electrical power lines that supply the electrical power to a first load in the structure. The method can include calibrating the electrical power monitoring system. A first raw current in the one or more main electrical power lines and first calibration data can be generated while calibrating the electrical power monitoring system. The method also can include storing the first calibration data and a measurement of the first raw current. The method additionally can include measuring a second raw current. The method further can include calculating a first measured current. The method additionally can include displaying the first measured current. Other embodiments of related systems and methods are disclosed.
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Citations
20 Claims
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1. A method for monitoring usage of electrical power of a structure using an electrical power monitoring system, the structure having one or more main electrical power lines that supply the electrical power to a first load in the structure, the method comprising:
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calibrating the electrical power monitoring system, comprising; attaching a computational device of the electrical power monitoring system to a first phase line of the structure; attaching a calibration device of the electrical power monitoring system to a second phase line of the structure, wherein the first phase line of the structure is different than the second phase line of the structure; and determining amplitudes and phases of currents in each current sensor of a sensing device of the electrical power monitoring system while the computational device is attached to the first phase line and while the calibration device is attached to the second phase line, wherein first calibration data are generated while calibrating the electrical power monitoring system; storing the first calibration data; measuring a first raw current using the sensing device of the electrical power monitoring system; calculating a first measured current based on the first raw current; and displaying the first measured current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification