Synchronous trigger device and method for electromagnetic transient data collection
A technology of synchronous triggering and data acquisition, which is applied in the direction of measuring devices, parts of electrical measuring instruments, measuring electronics, etc., to achieve the effects of improving generality, reducing synchronization errors, and improving synchronization and accuracy
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[0058] Please refer to figure 2 In the embodiment of the present invention, a circuit breaker is used to simulate the disturbance source cut and 330KV voltage is used to simulate the actual transient electromagnetic environment, and at the same time, four parameter waveform data of voltage, current, electric field, and magnetic field of the transient electromagnetic environment are collected. The synchronous trigger device outputs 2 channels of synchronous trigger light signals. 2 sets of photoelectric converters, 2 sets of two-channel data acquisition and storage devices. The synchronous trigger device has a 5-channel optical synchronous pulse signal output. The high-speed comparison drive reference voltage in the synchronous trigger device is adjustable. 2 sets of photoelectric converters, 2 sets of two-channel data acquisition and storage equipment are placed in 2 shielded tanks, placed in different locations in the transient electromagnetic environment, ...
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