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Based on GPS technology and integral equation, a new method of live line measuring the impedance parameters of T-connection transmission line is proposed. The mathematical model of the new method is explained in detail and the independent measuring cases for live line measurement are introduced. The hardware structure of the measurement system and the digital simulation results are given. The digital...
Based on GPS technology, a new differential equation method (DEM) of live line measuring the parameters of transmission lines with mutual inductance is proposed. The new method uses only the inductance voltages or inductance currents between lines as the measurement sources. No extern voltage source is applied in measurements, so this method can also be called as an interference measurement method...
Based on GPS technology, a new average current method (ACM) of live line measuring the parameters of transmission lines with mutual inductance is proposed. The mathematical model of the new method is explained in detail. Digital simulation results are shown. Finally, an example of live line measuring four 220-kV transmission lines with mutual inductances in South China power grid is given. Comparison...
Based on GPS technology, a new algebra equation method (AEM) of live line measuring the parameters of transmission lines with mutual inductance is proposed. The mathematical model of the new method is explained in detail. The hardware structure of the live line measuring system based on GPS is given. Digital simulation results are shown. Finally, an example of live line measuring six 500-kV transmission...
Based on global positioning system (GPS) technology and differential equation algorithms, a new approach to live line measuring of the inductance parameters of transmission lines with mutual inductance is proposed. The principles and mathematical model of the new method are explained in detail. Data processing by least square algorithm is introduced. To take into account the influence of distributed...
Based on GPS technology and integral equations, a new method of live line measurement of the parameters of transmission lines with mutual inductance are proposed. The principle and mathematical model of the new method are explained in details. Data processing algorithm by least square method is introduced in the measurement. In order to take into account the influence of distributed capacitance of...
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