固有TRV測定における接線と規約値算出の検討

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タイトル別名
  • Investigation of Tangential Line and Prospective Values for TRV Measurements
  • コユウ TRV ソクテイ ニ オケル セッセン ト キヤクチ サンシュツ ノ ケントウ

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説明

The prospective transient recovery voltage (TRV) at current interruption for circuit breakers should be measured by using ideal circuit breaker. Prospective values of the TRV are obtained by drawing tangential line to the TRV waveform. But, it is difficult to draw the tangential line on the four parameters TRV waveform automatically by computer software.<br>This paper shows the new method to draw the tangential line on the four parameters TRV waveform. It is easy to draw the tangential line on the TRV waveform by simple waveform transform process. This method is easy to code to the computer software. Also, it was investigated to decide the current zero at prospective TRV measurements.

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