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ADE9000 数据表(PDF) 16 Page - Analog Devices |
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ADE9000 数据表(HTML) 16 Page - Analog Devices |
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16 / 73 page ![]() Data Sheet ADE9000 Rev. A | Page 15 of 72 ENERGY ERROR OVER FREQUENCY AND POWER FACTOR Total energies obtained from a sinusoidal voltage with an amplitude of 50% of full scale, a sinusoidal current with a constant amplitude of 10% of full scale, a variable frequency between 45 Hz and 65 Hz, and the integrator off. Fundamental energies obtained with a fundamental voltage component, with an amplitude of 50% of full scale in phase with the fifth harmonic, a current with a 50 Hz component that has constant amplitude of 10% of full scale, a fifth harmonic with a constant amplitude of 40% of fundamental, and the integrator off, unless otherwise noted. 0.10 0.05 0 –0.05 –0.10 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) POWER FACTOR = +1 POWER FACTOR = +0.5 POWER FACTOR = –0.5 Figure 16. Total Active Energy Error vs. Line Frequency, Power Factor = −0.5, Power Factor = +0.5, and Power Factor = +1 0.10 0.05 0 –0.05 –0.10 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) POWER FACTOR = 0 POWER FACTOR = +0.866 POWER FACTOR = –0.866 Figure 17. Total Reactive Energy Error vs. Line Frequency, Power Factor = −0.866, Power Factor = 0, and Power Factor = +0.866 0.10 0.05 0 –0.05 –0.1 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) Figure 18. Total Apparent Energy Error vs. Line Frequency 0.10 0.05 0 –0.05 –0.10 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) POWER FACTOR = +1 POWER FACTOR = +0.5 POWER FACTOR = –0.5 Figure 19. Fundamental Active Energy Error vs. Line Frequency, Power Factor = −0.5, Power Factor = +0.5, and Power Factor = +1 0.10 0.05 0 –0.05 –0.10 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) POWER FACTOR = 0 POWER FACTOR = +0.866 POWER FACTOR = –0.866 Figure 20. Fundamental Reactive Energy Error vs. Line Frequency, Power Factor = −0.866, Power Factor = 0, and Power Factor = +0.866 0.10 0.05 0 –0.05 –0.10 40 45 50 60 55 65 70 LINE FREQUENCY (Hz) Figure 21. Fundamental Apparent Energy Error vs. Line Frequency |
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