How to Discharge a Capacitor in Large Machinery

Geschrieben von: Alex Diaz-Kokaisl
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How to Discharge a Capacitor in Large Machinery

Schwierigkeitsgrad

Moderate

Schritte

3

Zeitaufwand

5 - 10 Minuten

Einleitung

Use this guide to discharge a capacitor in your large device.

If you're discharging a capacitor for a small device, follow this guide instead.

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    • Inspect your capacitor and note the following:

    • The voltage rating of either your capacitor or the device

    • Where the terminals are located

    • Attach two wires to an incandescent lightbulb—making sure the bulb's voltage rating is greater or equal to the capacitor's.

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    • Don't touch the two wire leads together during this step, as this could short circuit the capacitor.

    • Lay one wire lead on the head of the terminal.

    • While holding the lead in place, lay the other wire lead on the opposite terminal to complete the circuit.

    • Hold this position for a few seconds or until the lightbulb completely darkens.

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    • If you have a multimeter, you can check to see if the capacitor is fully drained.

    • Set the meter to its DC voltage measuring mode and measure across the terminals.

    • Any value under 10 volts means your capacitor is sufficiently drained.

Abschluss

For other general electronics skills, click here.

Tinte & Feder

Alex Diaz-Kokaisl

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