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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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STPM10 数据表(PDF) 37 Page - STMicroelectronics |
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STPM10 数据表(HTML) 37 Page - STMicroelectronics |
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37 / 47 page  STPM10 Theory of operation DocID17728 Rev 5 37/47 the resulting signal, together with the pre-processed and digitalized current signal Equation 8: i(t) = I ⋅ sin(ωt + ϕ) See Figure 26: "Active energy computation diagram" (6) are then available for the calculation process. These digital signals are also provided to two additional stages, which then integrate of themselves, obtaining: Equation 9: dv/dt → v(t) = V ⋅ sin ωt see below figure (7)] Equation 10: i(t) → I(t) ∫ i(t) ⋅ dt = = –I/ω ⋅ cos(wt + ϕ) See figure below (8) Figure 26: Active energy computation diagram At this point four signals are available. By combining (pairing) them by means of two multiplying stages, two results are obtained |
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