ADE7752BARWZ-RL View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADE7752BARWZ-RL

Polyphase Energy Metering IC with Pulsed Output

Analog Devices 

Preliminary Technical Data

Figure 21 shows the connections of the ADE7752B analog

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

Ra* Cf

Rb*

VR*

PHASE A

Rb*

CT

VAP

IAP

IAN

ANTIALIASING

FILTERS

SOURCE

PHASE B

PHASE C

CT

VN

Rf

Cf

LOAD

Ra* Cf

Rb*

VR*

ANTIALIASING

FILTERS

Rb*

IBP

IBN

VBP

* 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.

ADE7752B

Figure 22 shows the connections of the ADE7752B analog

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

Ra* Cf

Rb*

VR*

VA P

IAP

Rb*

CT

IAN

ANTIALIASING

FILTERS

PHASE A

SOURCE

PHASE B

PHASE C

Ra* Cf

Rb*

VR*

CT

CT

ANTIALIASING

Rb*

FILTERS

IBP

IBN

VBP

Ra* Cf

Rb*

VR*

Rf

VN

ANTIALIASING

FILTERS

Rb*

ICP LOAD

ICN

VCP

CF

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

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

Rev. PrA | Page 17 of 27

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