Lec 17 | MIT 8.02 Electricity and Magnetism, Spring 2002

!: Lec 17 | MIT 8.02 Electricity and Magnetism, Spring 2002

Motional EMF Dynamos Eddy Currents Magnetic Braking View the complete course: ocw.mit.edu License: Creative Commons BY-NC-SA More information at ocw.mit.edu More courses at ocw.mit.edu

Lec 17 | MIT 8.02 Electricity and Magnetism, Spring 2002

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Cobra CPI 480 400-Watt 12-Volt DC to 120-Volt AC Power Inverter with 5-Volt USB Output

!: Used Cobra CPI 480 400-Watt 12-Volt DC to 120-Volt AC Power Inverter with 5-Volt USB Output save you money!

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Post Date : Mar 18, 2011 22:52:26
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The Cobra CPI 480 is a 12-Volt DC to 120-Volt AC power inverter that provides 400 Watts of power handling and 800 Watts of peak power. This unit comes equipped with two grounded AC receptacles and a 5-Volt USB output, allowing you to power and charge a wide variety of devices. It connects to your vehicle via a 12-Volt cigarette lighter plug or with direct-to-battery cables. In addition, this inverter keeps you and your gear safe with clean modified sine wave power, reverse polarity protection, thermal shutdown, low voltage alarm and shutdown, and an external fuse.

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Jacobs ladder with a selfwound 10kV 1kW transformer

!: Jacobs ladder with a selfwound 10kV 1kW transformer

Another experiment with my transformer: A Jacob's ladder. The transformer ist driven by a ZVS driver (supply voltage 39V). At start of the arc, the supply current is relatively low, around 8-10 amps (300 to 400 watts). When the arc rises up, the supply current of the ZVS also increases, up to more than 30 amps (above 1200 watts...) The transformer wasn't even warm after making this video. This transformer is much more powerful than a TV's diode split transformer. The estimated output current during arcing is 1 ampere. A DST only delivers 200 to 300mA, and overheats quickly. Also, the arcs of a diode split transformer with ZVS driver are much thinner and are not crackling that much during rising the jacobs ladder...

Jacobs ladder with a selfwound 10kV 1kW transformer

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