ADE7762 datasheet(17/28 Pages) AD

17 / 28 page

Preliminary Technical Data

ADE7762

Rev. PrB | Page 17 of 28

Figure 22 shows the connections of the ADE7762 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 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

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 23. 3-Phase 4-Wire Meter Connection with ADE7762

ADE7762 데이터시트(PDF) 17 Page - Analog Devices

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