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lagging

Leading and lagging current are phenomena that occur as a result of alternating current. In a circuit with alternating current, the value of voltage and current vary sinusoidally. In this type of circuit, the terms lead, lag, and in phase are used to describe current with reference to voltage. Current is in phase with voltage when there is no phase shift between the sinusoids describing their time varying behavior. This generally occurs when the load drawing the current is resistive.
In electric power flow, it is important to know how much current is leading or lagging because it creates the reactive power in the system, as opposed to the active (real) power. It can also play an important role in the operation of three-phase electric power systems.

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  1. R

    Pipe lagging

    Ok, Dumb question time, I always lag my pipes wherever I have to with climaflex, however my local DIY shop has ARMAFLEX, this is black and is not slit so you would have to slide it onto the pipe before making any joints, the good thing about this is it can not fall off (or be pulled off). What...
  2. F

    pipe lagging

    hiya can any one help me i need some 15 and 22mm lagging and want to know best and cheepest place to buy it from. 15x25mm and 22x25mm would prefer armaflex but climaflex will prob be cheeper. thanks rob
  3. K

    pipe lagging

    Hi. We're building a new storey and half house with timber joists. Is it advisable that all the pipes should be lagged or just those running through the eaves? thanks
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