Chen, 1964, Harbin, Heilongjiang, university culture, director of Harbin Institute of Metrology Verification and Testing, engineer, the paper "Error Adjustment of Current Direct Inductance in Verification Work" was published in the 4th issue of Technical Supervision Horizon 1996. The error analysis caused by connecting wires in the verification device of current transformer was published in the fourth issue of Measurement and Testing Technology 1996, and the political implementation of measurement regulation SSG3 13-94-94 was published in Liaoning Metrology Management 1996. Comparison and analysis of three-phase and three-wire watt-hour meters with different connection modes in the ninth issue of Electrical Measurement and Instrument 1996: Discussion on the measurement method of grounding resistance, published in Metrology.