ADE7752BARWZ-RL(2007) View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADE7752BARWZ-RL
(Rev.:2007)

3-Phase, 3-Wire, and 4-Wire Energy Metering IC with Pulse Output

Analog Devices 

Figure 17 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

ANTIALIASING

FILTERS

VAP

IAP

IAN

SOURCE

PHASE B

PHASE C

CT

VN

Rf

Cf

LOAD

Ra* Cf

Rb*

ANTIALIASING

FILTERS

Rb*

IBP

IBN

VR*

VBP

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

Figure 17. 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 18 shows the connections of the ADE7752B analog

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

Ra* Cf

Rb*

VR*

VAP

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*

ANTIALIASING

FILTERS

Rb*

ICP LOAD

ICN

VCP

Rf

VN

CF

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

Figure 18. 3-Phase, 4-Wire Meter Connection with ADE7752B

Rev. 0 | Page 15 of 24

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