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ADE9078ACPZ 数据表(PDF) 62 Page - Analog Devices |
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ADE9078ACPZ 数据表(HTML) 62 Page - Analog Devices |
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62 / 108 page  Data Sheet ADE9078 Rev. 0 | Page 61 of 107 VAP VBP VCP VAN AGND DGND NEUTRAL VBN VCN VBN VB 220V –150° –150° 0.353V 220V 120° 120° 0.353V PHASE C VCN VC PHASE A PHASE B VAN VA 220V 30° 220V –150° 220V 120° PHASE A PHASE B 220V 30° 0.353V 30° VCONSEL = 011 VA, VB, VC Figure 95. Non-Blondel Compliant 4-Wire Delta The phasor diagram is shown in Figure 85. Phase sequence error detection is performed based on the expected ABC sequence (see the Phase Sequence Error Detection section for more information). To calculate the total power (active, reactive and apparent), add the contribution from Phase A, Phase B, and Phase C. SERVICE TYPE SUMMARY To summarize, the ADE9078 can be used in many different configurations to measure 4-wire wye, 4-wire delta, and 3-wire delta installations. Table 24 summarizes which VCONSEL and ICONSEL settings to use for each configuration. Table 24. Service Type and VCONSEL and ICONSEL Setting Summary Service Type Ground Reference Figure Reference No. of Voltage Sensors Required VCONSEL Setting No. of Current Sensors Required ICONSEL Setting 4-Wire Wye Neutral Figure 89 3 000 3 0 Isolated Figure 90 3 000 3 0 3-Wire Delta Phase B Figure 91; Figure 89 with Phase B tied to neutral 2 001 (VB = VA − VC) 2 0: IB has current sensor 1: IB = −IA − IC Isolated Figure 90 with Phase B tied to neutral 2 001 (VB = VA − VC) 2 0: IB has current sensor 1: IB = −IA − IC Isolated Figure 93 2 100 (VA = VA − VB; VB = VA − VC; VC = VC − VB) 2 0: IB has current sensor 1: IB = −IA − IC 4-Wire Delta Neutral Figure 89 (note that the VA and VB phasor diagram follows Figure 85) 3 000 3 0 4-Wire Wye, Non-Blondel Compliant Neutral Figure 94 2 010 (VB = VA − VC) 3 0 4-Wire Delta, Non- Blondel Compliant Neutral Figure 95 2 011 (VB = −VA) 2 0: IB has current sensor 1: IB = −IA − IC 3-Wire Single-Phase Neutral Not applicable 1 or 2 000 1 to 2 0 3-Wire Network Neutral Not applicable 2 000 2 0 Multiple Single- Phase Circuits Neutral Not applicable 3 000 3 0 |
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