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參數資料
| 型號： | ADE7762ARWZ-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 Phase Drop Indication |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO28 |
| 封裝： | ROHS COMPLIANT, MS-013AE, SOIC-28 |
| 文件頁數： | 17/28頁 |
| 文件大小： | 363K |
| 代理商： | ADE7762ARWZ-RL |
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Preliminary Technical Data
ADE7762
Figure 22 shows the connections of the ADE7762 analog inputs
with the power lines in a 3-phase 3-wire delta service.
Rev. PrB | Page 17 of 28
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 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
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 23. 3-Phase 4-Wire Meter Connection with ADE7762
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