The power sockets in a house are connected by means of a ring circuit. In a ring circuit the live, neutral and earth wires form a loop of cable going from the consumer unit to all of the sockets ...

Since connecting the neutral and hot wires to the right side of the plug is essential, the first step is to identify which wire is which. You can identify the neutral side of an electrical wire by ...

Abstract: It is important to maintain the neutral-point (NP) voltage balanced for the three-phase four-wire three-level neutral-point clamped (NPC) inverter. In this paper, after detailed discussion, ...