ADE7752B datasheet(17/27 Pages) AD

tên linh kiện	ADE7752B

Giải thích chi tiết về linh kiện	Polyphase Energy Metering IC with Pulsed Output

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17 / 27 page

Preliminary Technical Data

ADE7752B

Rev. PrA | Page 17 of 27

Figure 21 shows the connections of the ADE7752B analog

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

Rb*

ANTIALIASING

FILTERS

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

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

IBP

IBN

ANTIALIASING

FILTERS

PHASE A

PHASE B

PHASE C

Rb*

Ra*

VR*

VAP

Rb*

ANTIALIASING

FILTERS

IAP

IAN

Rb*

ANTIALIASING

FILTERS

Rb*

Ra*

VR*

VCP

Rb*

Ra*

VR*

VBP

Rb*

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

Figure 22. 3-Phase 4-Wire Meter Connection with ADE7752B

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