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  2. Utilization categories - Wikipedia

    en.wikipedia.org/wiki/Utilization_categories

    Motor loads or mixed loads including motors, resistors and up to 30% incandescent lamp load 60947-6-1 AC-35A AC-35B ³) Gas discharge lamp load 60947-6-1 AC-36A AC36B ³) Incandescent lamp load 60947-6-1 AC-40 Distribution circuits of mixed resistive and inductive loads 60947-6-2 AC-41 Non-inductive or weakly inductive loads, resistance furnaces

  3. Inrush current - Wikipedia

    en.wikipedia.org/wiki/Inrush_current

    When a transformer, electric motor, electromagnet, or other inductive load is switched off, the inductor increases the voltage across the switch or breaker and cause extended arcing. When a transformer is switched off on its primary side, inductive kick produces a voltage spike on the secondary that can damage insulation and connected loads. [3]

  4. Load bank - Wikipedia

    en.wikipedia.org/wiki/Load_bank

    An inductive load includes inductive (lagging power factor) loads. An inductive load consists of an iron-core reactive element which, when used in conjunction with a resistive load bank, creates a lagging power factor load. Typically, the inductive load will be rated at a numeric value 75% that of the corresponding resistive load such that when ...

  5. Voltage optimisation - Wikipedia

    en.wikipedia.org/wiki/Voltage_optimisation

    The main commercial benefit when installing VO units, is on inductive loads, like motors which run pumps, fans and the like. [citation needed] In the home, the potential energy saving can be up to 12% on electricity bills. A VO device will lower the voltage to the most efficient level to maximise the savings on electricity consumption, so you ...

  6. Snubber - Wikipedia

    en.wikipedia.org/wiki/Snubber

    This sort of snubber is commonly used with inductive loads such as electric motors. The voltage across a capacitor cannot change instantaneously, so a decreasing transient current will flow through it for a fraction of a second, allowing the voltage across the switch to increase more slowly when the switch is opened.

  7. Flyback diode - Wikipedia

    en.wikipedia.org/wiki/Flyback_diode

    Diagram of a simple circuit with an inductance L and a flyback diode D.The resistor R represents the resistance of the inductor's windings. A flyback diode is any diode connected across an inductor used to eliminate flyback, which is the sudden voltage spike seen across an inductive load when its supply current is suddenly reduced or interrupted.

  8. Voltage regulation - Wikipedia

    en.wikipedia.org/wiki/Voltage_regulation

    Real transmission lines typically serve inductive loads, which are the motors that exist everywhere in modern electronics and machines. Transferring a large amount of reactive power Q to inductive loads makes the line current lag voltage, and the voltage regulation is characterized by decrease in voltage magnitude.

  9. Leading and lagging current - Wikipedia

    en.wikipedia.org/wiki/Leading_and_Lagging_Current

    Angle notation can easily describe leading and lagging current: . [1] In this equation, the value of theta is the important factor for leading and lagging current. As mentioned in the introduction above, leading or lagging current represents a time shift between the current and voltage sine curves, which is represented by the angle by which the curve is ahead or behind of where it would be ...