Method for wireless transmission of reference phasors in analog or phasor measurements
A technology of phasor measurement and wireless transmission, which is applied in the field of wireless transmission reference phasors, can solve problems such as dependence problems, achieve the effects of avoiding electric shock, avoiding repeated wiring of secondary voltage, and overcoming limitations
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[0016] For example, the 330kV AC field of Yinchuan East Converter Station in Ningxia adopts the three-half connection method. A single voltage transformer is installed on the C phase of the busbar, and A, B, and C three-phase voltage transformers are installed on the line and the incoming line side of the main transformer. Configure the voltage transformer terminal box. The current transformer is configured according to the circuit breaker, and the current secondary circuit is respectively connected to the terminal box of the current transformer. If it is necessary to measure the secondary current phasor in the terminal box of the current transformer, the measurement work cannot be completed because there is no voltage reference phasor, which affects the debugging efficiency. If the present invention is adopted, the wireless voltage acquisition device can be attached to the terminal box of the voltage transformer or the line protection screen, and the collection and transmissi...
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