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參數資料
| 型號： | ADE7752BARWZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Polyphase Energy Metering IC with Pulsed Output |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | LEAD FREE, MS-013AD, SOIC-24 |
| 文件頁數： | 17/27頁 |
| 文件大小： | 342K |
| 代理商： | ADE7752BARWZ-RL |
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Preliminary Technical Data
ADE7752B
Figure 21 shows the connections of the ADE7752B analog
inputs with the power lines in a 3-phase 3-wire delta service.
Rev. PrA | Page 17 of 27
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
0
Figure 21. 3-Phase 3-Wire Meter Connection with ADE7752B
Note that only two current inputs and two voltage inputs of the
ADE7752B are used in this case. The active power calculated by
the ADE7752B does not depend on the selected channels.
Figure 22 shows the connections of the ADE7752B analog
inputs with the power lines in a 3-phase 4-wire Wye service.
SOURCE
ICP
ICN
LOAD
CT
IBP
IBN
VBP
ANTIALIASING
FILTERS
PHASE A
PHASE B
PHASE C
Rb*
Ra*
VR*
Cf
VAP
IAP
IAN
CT
Rb*
ANTIALIASING
FILTERS
CT
Rb*
ANTIALIASING
FILTERS
Rb*
Ra*
VR*
Cf
VCP
Rf
CF
VN
Rb*
Ra*
VR*
Cf
Rb*
*
Ra >> Rf + VR;
*
Rb + VR = Rf
0
Figure 22. 3-Phase 4-Wire Meter Connection with ADE7752B
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