ADE9078 datasheet(36/108 Pages) AD

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Data Sheet

ADE9078

Rev. 0 | Page 35 of 107

AI_PCF

AV_PCF

PER PHASE

RMS AND

POWER

CALCULATION

AWATTHR

AVARHR

AFVARHR

AVAHR

PER PHASE

ENERGY

ACCUMULATION

AWATT_ACC

AVAR_ACC

AFVAR_ACC

AVA_ACC

CF1 PULSE OUTPUT

CF2 PULSE OUTPUT

CF3 PULSE OUTPUT

CF4 PULSE OUTPUT

ENERGY TO

FREQUENCY

AWATT

AVAR

AFVAR

AIRMS

AVRMS

AVA

ADE9078

PER PHASE

POWER

ACCUMULATION

Figure 53. Per Phase Power and Energy Calculations from xI_PCF and xV_PCF Waveforms

Table 12. Active Power Related Register Update Rate

Description

Update Rate

AWATT

Low-pass filtered total active power on Phase A

4 kSPS

BWATT

Low-pass filtered total active power on Phase B

4 kSPS

CWATT

Low-pass filtered total active power on Phase C

4 kSPS

AWATT_ACC

Accumulated total active power on Phase A

After the PWR_TIME 4 kSPS samples, from 500 μs to 2.048 sec

BWATT_ACC

Accumulated total active power on Phase B

After the PWR_TIME 4 kSPS samples, from 500 μs to 2.048 sec

CWATT_ACC

Accumulated total active power on Phase C

After the PWR_TIME 4 kSPS samples, from 500 μs to 2.048 sec

AWATTHR

Accumulated total active energy on Phase A

According to the settings in EP_CFG and EP_TIME; holds up to

211 sec of energy at full scale

BWATTHR

Accumulated total active energy on Phase B

According to the settings in EP_CFG and EP_TIME; holds up to

211 sec of energy at full scale

CWATTHR

Accumulated total active energy on Phase C

According to the settings in EP_CFG and EP_TIME; holds up to

211 sec of energy at full scale

APF

Phase A Power Factor (see the Power Factor section)

Every 1.024 sec

BPF

Phase A Power Factor (see the Power Factor section)

Every 1.024 sec

CPF

Phase A Power Factor (see the Power Factor section)

Every 1.024 sec

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