ADE7762_15 datasheet(16/28 Pages) AD

tên linh kiện	ADE7762

Giải thích chi tiết về linh kiện	Polyphase Energy Metering IC with Phase Drop Indication

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nhà sản xuất	AD [Analog Devices]

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16 / 28 page

ADE7762

Rev. 0 | Page 16 of 28

Figure 18 shows the connections of the ADE7762 analog inputs

with the power lines in a 3-phase, 3-wire delta service.

Rb*

IAP

IAN

SOURCE

Rb*

Ra*

Rb*

VR*

Ra*

VR*

LOAD

PHASE A

PHASE B

PHASE C

Rb*

VAP

VBP

ANTIALIASING

FILTERS

IBN

IBP

*Ra >> Rf + VR; *Rb + VR = Rf

ANTIALIASING

FILTERS

Figure 18. 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 19 shows the connections of the ADE7762 analog inputs

with the power lines in a 3-phase, 4-wire Wye service.

SOURCE

ICP

ICN

LOAD

IBP

IBN

PHASE A

PHASE B

PHASE C

Rb*

Ra*

VR*

VAP

Rb*

ANTIALIASING

FILTERS

IAP

IAN

Rb*

Ra*

VR*

VCP

Rb*

Ra*

VR*

VBP

Rb*

*Ra >> Rf + VR;

*Rb + VR = Rf

ANTIALIASING

FILTERS

ANTIALIASING

FILTERS

Figure 19. 3-Phase, 4-Wire Meter Connection with ADE7762

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