On-line monitor device of lightning current of overhead transmission line based on PCI collection card
An overhead transmission line and acquisition card technology, which is used in measurement devices, measurement of current/voltage, measurement of electrical variables, etc., can solve the problems of power grid loss, high cost, affecting the safety and reliable operation of the power grid, and reduce maintenance costs. Power supply, accurate capture effect
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[0013] figure 1 It is the structural representation of the overhead transmission line lightning current online monitoring device based on the PCI acquisition card in this embodiment, figure 2 For the installation diagram of the monitoring device, the measuring coil (Rogowski coil) and the energy-taking coil, the lightning current online monitoring device for overhead transmission lines based on the PCI acquisition card consists of a Rogowski coil, a trigger circuit, a high-speed PCI acquisition card, an industrial computer, and a GPRS module , energy-taking coil, charging controller, storage battery, and voltage converter. Rogowski coils (that is, measuring coils A, B, C, and D) are connected to the industrial computer through a trigger circuit and a high-speed PCI acquisition card, and the industrial computer is connected to the GPRS module. Connection, the energy harvesting coil is connected with the voltage converter through the charging controller, the battery, the voltag...
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