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Research and Establishment of a New Impedance Traceability System Based on the New Calculable Capacitor Primary Standard
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摘要: 在国家科技支撑计划和国家重点研发计划等重点项目的支持下，中国计量科学研究院开展了我国基于新一代计算电容的交流阻抗溯源新体系的研究和建立工作，建立了新一代计算电容基准装置、电感基准装置、交流电阻标准装置，并完成了阻抗相关基标准装置的能力提升工作。新建立的我国电容基准和电感基准装置，在更高的水平上复现了电容单位“法拉”、电感单位“亨利”，提高并完善了损耗基准、电容工作基准、电感工作基准、交流电阻标准等基标准装置的溯源能力，完成了我国电容、电感、损耗因素计量器具检定系统表的修订，以及标准电容器、标准电感器、交流电阻、电容箱、电感箱、交流电阻箱等交流阻抗相关规程规范的制修订工作，建立了我国基于新一代计算电容的交流阻抗溯源新体系。Abstract: Supported by the National Science and Technology Support Program and the National Key R&D Program, the National Institute of Metrology, China (NIM), has undertaken research and established a new AC impedance traceability system based on the new generation calculable capacitor. This includes the creation of new primary standards for capacitance and inductance, as well as AC resistance standards. The new systems have enabled the precise realization of the capacitance unit "Farad" and the inductance unit "Henry", enhancing the traceability capabilities for dissipation factor standard, capacitance working standard, inductance working standard, and AC resistance standard. This work has also included revising the calibration systems for capacitance, inductance, and dissipation factor measuring instruments, as well as updating regulations and specifications for standard capacitors, standard inductors, AC resistors, capacitor boxes, inductance boxes, and AC resistance boxes. As a result, a new AC impedance traceability system for China, based on the new generation calculable capacitor, has been established.
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Key words:
- metrology /
- AC impedance /
- traceability /
- calculable capacitor /
- primary standard
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图 3 CCEM.K4-2017 10 pF/100 pF电容量值国际比对结果
Figure 3. CCEM.K4-2017 key comparison results of 10 pF/100 pF
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