ADE7978 datasheet(23/120 Pages) AD

部件名	ADE7978

功能描述	Isolated Energy Metering Chipset for Polyphase Shunt Meters

PDF	120 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

23 / 120 page

Data Sheet

ADE7978/ADE7933/ADE7932

Rev. 0 | Page 23 of 120

Figure 24 and Figure 25 were generated using the following conditions: sinusoidal voltage with a constant amplitude of 50% of full scale;

sinusoidal current with a constant amplitude of 10% of full scale; variable frequency between 45 Hz and 65 Hz.

0.10

–0.10

–0.08

–0.06

–0.04

–0.02

0.02

0.04

0.06

0.08

LINE FREQUENCY (Hz)

POWER FACTOR = –0.5

POWER FACTOR = +1

POWER FACTOR = +0.5

Figure 24. Total Active Energy Error as a Percentage of Reading

over Frequency, PF = −0.5, +0.5, and +1

0.10

–0.10

–0.08

–0.06

–0.04

–0.02

0.02

0.04

0.06

0.08

LINE FREQUENCY (Hz)

POWER FACTOR = –0.866

POWER FACTOR = 0

POWER FACTOR = +0.866

Figure 25. Total Reactive Energy Error as a Percentage of Reading

over Frequency, PF = −0.866, 0, and +0.866

ADE7978 数据表(PDF) 23 Page - Analog Devices

ADE7978 数据表(HTML) 23 Page - Analog Devices

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