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Power Supply Current Output Lag

Question asked by nithinupot on Mar 21, 2019

Hello,

I currently have a 6675A DC power supply and have connected a constant resistance heater to it. The resistance of this heater is 12.65 ohm. On programming the output voltage to 6 V, the expected current draw from the supply should be around 0.5 A following Ohm's Law. However, with the output voltage set to 6 V, I first get a current of 3.5 A, which drops very slowly to 0.5 A - period of 3 to 4 hours. Could someone tell me what the issue behind this lag maybe? Are there any settings in the power supply I should change?

 

Thanks

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