ADE7752ARRL datasheet(16/24 Pages) AD

tên linh kiện	ADE7752ARRL

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

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ADE7752/ADE7752A

Rev. C | Page 16 of 24

Figure 21 shows the connections of the analog inputs of the

ADE7752 with the power lines in a 3-phase 3-wire delta service.

Note that only two current inputs and two voltage inputs of the

ADE7752 are used in this case. The real power calculated by the

ADE7752 does not depend on the selected channels.

Figure 22 shows the connections of the analog inputs of the

ADE7752 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

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 4-Wire Meter Connection with ADE7752

Figure 21. 3-Phase 3-Wire Meter Connection with ADE7752

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