Tampering with electric energy measurement causes significant revenue loss to the energy providers. The MAXQ3183 polyphase AFE provides current vector sum measurements for tamper detection. This ...
Last month, we showed how you could use vector diagrams and simple math to calculate neutral currents in 3-phase, 4-wire circuits. In this last installment, we'll talk about using simple parallelogram ...
Stumped by the Code? Requirements for Identifying the High-Leg of a 3-Phase, 4-Wire Connected System
All questions and answers are based on the 2011 NEC. Q. What kind of marking does the Code require to identify the high-leg of a 3-phase, 4-wire delta connected system? A. On a 4-wire, delta-connected ...
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