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- W2376122364 abstract "To meet the requirements of the traceability and transfer of voltage value in the construction of 1000 kV ultra-high voltage (UHV) power grid, a design of series standard potential transformer is presented based on the theory of power frequency voltage summation method ,and the relevant mathematic model is established. However, the accuracy of the high voltage isolation transformers (HVIT) greatly is influenced by huge leakage inductance, so a method of compensation for the leakage inductance is adopted by connecting the capacitance in series on primary windings of HVIT. Experimental results prove that the method can increase the accuracy of HVIT greatly and thus guarantee the whole accuracy of SSPT. Referring to the uneven divided voltage caused by great difference of upper-lower structural capacitance, a method of connecting the capacitance in parallel on the upper part of SSPT is put forward, and the feasibility of the method is proved through finite element analysis. Compared with the traditional electromagnetic standard potential transformers, the method can greatly reduce the volume, weight and insulation requirements of single transformer on the premise of meeting relative requirements of the power frequency voltage withstand as well as the accuracy." @default.
- W2376122364 created "2016-06-24" @default.
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- W2376122364 date "2009-01-01" @default.
- W2376122364 modified "2023-09-23" @default.
- W2376122364 title "Development of 1000 kV Series Standard Potential Transformer" @default.
- W2376122364 hasPublicationYear "2009" @default.
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