该转换器具有出色的直流规格，非常适合在同时需要直流数据的情况下对交流信号进行高速数据采集。
With excellent dc specifications, the converter is ideal for high speed data acquisition of ac signals where dc data is also required.
本发明直接对交流电流进行采集和判断，缩短了信号采集时间和电流过流时的保护时间。
The method and the device acquire and judge the alternating current directly, shorten the signal acquisition time and the protective time during overcurrent.
由于采用交流采样技术，实现了信号的实时采集，克服了直流采样误差大和稳定性差的缺点。
The real-time signal acquisition with AC-sampling technology overcomes the short comings of bad stability and big error in DC-sampling.
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