Energy meter calibration intermediate worker

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Features: This book consists of five chapters, primarily introducing the load characteristic curves of inductive energy meters and their improvement, analyzing the impact of external conditions on their errors, and focusing on the structure, principles, and relevant performance testing methods of various types of special energy meters. Additionally, it explains the structural composition of energy meter calibration devices and current transformer calibration instruments, as well as the calibration methods of energy meter calibration devices. The book also elaborates on the design principles and acceptance methods of energy metering devices, with a focus on several methods for identifying incorrect wiring in energy metering devices. This book can serve as a training textbook for energy meter calibration technicians and also provide reference for relevant energy metering professionals.