What to use to control voltage/current through resistive heating wires?


I'm new to electronics, and I was planning to make a heater to heat up a stainless steel container, and I was wondering if there was a way to control the temperature by controlling the current or voltage? I'm using nichrome wires for the resistive wires. The nichrome wires I'm using are 0.3MM in diameter and 20.10 Ohms/m

by judgemantbag
November 26, 2017

Yup, in principle no problem. There are plenty of ways of sensing temperature electronically, and a suitable one of these could be used to control an electronically controlled power supply. The person choosing the sensor and the supply will need to know: 1. Temperature. 2 Temperature required accuracy. 3. Input power required to hold this temperature (length of wire/resistance). They may have to design some simple interface circuitry to go between sensor and supply. This will require a second supply to power it.

by mikerogerswsm
November 26, 2017

PS - There is a small over-temperature error due to heat leakage down the sensor wires. Best to make them long and thin.

by mikerogerswsm
November 28, 2017

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