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ADE7762 датащи(PDF) 17 Page - Analog Devices

номер детали ADE7762
подробное описание детали  Polyphase Energy Metering IC with Phase Drop Indication
PDF  28 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADE7762 датащи(HTML) 17 Page - Analog Devices

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Preliminary Technical Data
ADE7762
Rev. PrB | Page 17 of 28
Figure 22 shows the connections of the ADE7762 analog inputs
with the power lines in a 3-phase 3-wire delta service.
CT
Rb*
ANTIALIASING
FILTERS
IAP
IAN
SOURCE
Rb*
Ra*
Rb*
VR*
Rf
Cf
Cf
VN
Ra*
VR*
Cf
LOAD
PHASE A
PHASE B
PHASE C
CT
Rb*
VAP
VBP
ANTIALIASING
FILTERS
IBN
IBP
* Ra >> Rf + VR; * Rb + VR = Rf
Figure 22. 3-Phase 3-Wire Meter Connection with ADE7762
Note that only two current inputs and two voltage inputs of the
ADE7762 are used in this case. The active power calculated by
the ADE7762 does not depend on the selected channels.
Figure 23 shows the connections of the ADE7762 analog inputs
with the power lines in a 3-phase 4-wire Wye service.
SOURCE
ICP
ICN
LOAD
CT
IBP
IBN
ANTIALIASING
FILTERS
PHASE A
PHASE B
PHASE C
Rb*
Ra*
VR*
Cf
VAP
CT
Rb*
ANTIALIASING
FILTERS
IAP
IAN
CT
Rb*
ANTIALIASING
FILTERS
Rb*
Ra*
VR*
Cf
VCP
Rf
CF
VN
Rb*
Ra*
VR*
Cf
VBP
Rb*
* Ra >> Rf + VR; * Rb + VR = Rf
Figure 23. 3-Phase 4-Wire Meter Connection with ADE7762



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