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 saw how you can use vectors to define complex circuits and determine current. This month, we'll show you how to use vector diagrams and some simple math to calculate neutral currents in ...
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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