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Questions tagged [heater]

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Is pushing a 50 W heater cartridge to 100 W safe?

We have a heater cartridge rated at 12 V DC and 50 W. Can we feed it 18 V DC safely? In other words, push it to 100 W? Has anyone actual experience? My reasoning is as follows. The manufacturers are ...
Dirk Bruere's user avatar
1 vote
1 answer
92 views

How to isolate nickel-chrome wire?

I want to heat up a stainless-steel pipe using a nickel-chrome wire by wrapping the wire around it and using a 12 V / 2 A DC adapter as a power source. I wrapped kapton around the pipe and also ...
Khalident's user avatar
2 votes
1 answer
61 views

How to connect heaters and RTD sensors from an EMC perspective

I have a PCB that drives an external system with simple resistance heaters and Resistance Temperature Detector (RTD) sensors for temperature readings placed close to them. The PCB includes a typical ...
irag10's user avatar
  • 71
0 votes
1 answer
110 views

Reconnecting a water heater from three-phase to single-phase (220V) [closed]

I switched from three-phase to single-phase. Since the water heater was connected using 3 phases I need to change the connection to use it (It seems it could be done by changing the red/blue wires, ...
JinSnow's user avatar
  • 185
0 votes
2 answers
101 views

Best approach for heating small lengths of nichrome at 220 volt

I got a length of 5 meters of Nichrome wire from a toaster that works on 220 volts. Its rating is 800 watts and its specific resistance is 12 ohm/meter. For my small oven-project, I only need a half ...
Birdy's user avatar
  • 3
0 votes
2 answers
93 views

How to use an emergency button for an SSR controlling 3kW heaters

I'm working on a temperature control project for airflow utilizing a 3kW heater, an SSR, and a PID controller. For safety purposes, I need to incorporate an emergency button to immediately cut off ...
portonmg's user avatar
1 vote
4 answers
136 views

What is the purpose of safety control in older water baths? [closed]

One like this: Most water baths have a second control called the safety. This control is set at the maximum tem- perature the water bath should attain. It is usually set just above the temperature ...
Freezing Soul's user avatar
0 votes
1 answer
34 views

Error Indicator Light on Heater

I have a heater with a neon bulb wired in parallel with a safety cutoff switch. The full current of the heater goes through the safety switch. If the switch trips, wouldn’t the full current just go ...
Mike Lauritsen's user avatar
0 votes
0 answers
96 views

Need help with PTC heater EDITED

simulate this circuit – Schematic created using CircuitLab Figure 1. CircuitLab schematic by @Transistor for OP to edit. I have built a heater from a PTC heater with a couple of fans on top and ...
makkkis's user avatar
0 votes
1 answer
262 views

Using a PCB trace as a heater

What questions should I ask to get a PCB trace as a heater? I know the input power but I do not know the mass of the output heat. It is to use a 24 V max and 10 A electrical supply, but the trace will ...
Lonewolf's user avatar
1 vote
0 answers
76 views

Custom 240V Infrared Heater Controller

I'm DIY'ing a controller for a few heaters I'm placing on my covered deck, components listed below. I'm using an Arduino Uno Wifi Rev2 to control on/off and a dimmer to adjust the heater output. A ...
saulpower's user avatar
  • 111
1 vote
1 answer
129 views

Solar excess power dump

I have a 24 V 5000 W 120 A Victron multiplus inverter charger to a Autotransformer 120/240 100A to make split phase on my daughter's off-grid house. 600 Ah lithium batteries (4x 12V @300 Ah), 5000 W ...
Mtn motion's user avatar
1 vote
1 answer
220 views

How can I calculate the resistance of a complex PCB trace?

I want to design a flex PCB heater. In the design requirement, there is a value such as 7.5 ohms and 18 watts. When I calculate with copper, my PCB area is not sufficient for the desired resistance ...
Electronx's user avatar
  • 756
4 votes
2 answers
1k views

Why 2 thermostats of different rating in series in heater circuit?

I am trying to repair a small water distiller. The machine is fairly simple, heater boils water, the vapor is cooled by a fan and the water is collected. More information: How to use Connect power ...
Eng Sam's user avatar
  • 489
1 vote
1 answer
103 views

12 V 20000 mAh Li-ion battery pack gets very hot

I'm trying to power a heated lunch box I got from Amazon (this one) via this - 12 V 20000 mAh Li-ion battery pack, which appears to be 6x 18650s. When I plug it in, the battery heats up significantly, ...
YanO's user avatar
  • 11
0 votes
1 answer
105 views

Triac Phase angle control Heating method

I purchased a soldering station (Product Link: Tenma 2064549. Just for give more idea. Not for taking about the product.) few years ago and replaced the heating element. After replacing heating ...
user_fs10's user avatar
  • 871
-1 votes
1 answer
217 views

Making a high-temp, battery-operated, heating/burning device

Crazily enough, this is not for recreational smoking use. I am trying to create a small, battery powered device, that can hit temps around 250 to 350 degrees Celsius (482 to 662 degrees Fahrenheit), ...
Greyshoes's user avatar
0 votes
1 answer
131 views

I have an old house. Is there a device I can use to increase wattage so I can use several 1500 watt heaters during winter? [closed]

I have an old house. If I use more than 1500 watts it blows the fuse.
TTBob's user avatar
  • 1
1 vote
1 answer
2k views

How can I make my nichrome wire heat up?

I can't seem to heat up some nichrome wire I got from a toaster. I don't really know what the gauge is, but the wire diameter is a little less than a millimeter, and it's flat. I have 3 options of a ...
Mars the Limit's user avatar
1 vote
0 answers
104 views

Using LED driver to control heater

currently, I have a 24V 150W heater and I would like to see the feasibility of using LED driver for controlling the heater. My input voltage is 48VDC The reason for this is that some LED drivers I ...
DocWest's user avatar
  • 11
1 vote
1 answer
117 views

How can I wire a MOSFET to put 1.5 A through a short length of nichrome wire using an 18650 battery and an Arduino?

I'm doing some antenna deployment work on a CubeSat testbed prototype for a school club. Here's a wiring diagram of what I'm doing: I'm using two 18650 batteries to power an Arduino which ...
Jake Nixon's user avatar
1 vote
3 answers
98 views

Heater (resistor) combination to achieve specific power

I am designing a heating circuit composed of ceramic heating resistors. I have a 24 V supply and I am limited to 3 A, which allows me to disipate total of 70W, which is my target. I have a limited ...
Lukáš Řádek's user avatar
0 votes
1 answer
78 views

Constant temperature operation of microheater

I have been trying to make a constant temperature control for microheaters based on this wheatstone bridge circuit, using a trim pot to set the temperature setpoint. The purpose is to keep the heater ...
TAK07's user avatar
  • 1
0 votes
1 answer
147 views

Can I solder this cartridge heater to this thermocouple?

I'm trying to make a vaporizer pipe as a hobby project. The idea is that when you inhale from it, air passes by a cartridge heater and then goes through some "herbs". A thermocouple is used ...
Paul's user avatar
  • 169
-2 votes
1 answer
135 views

How to design a circuit for multiple 12 V loads using one battery?

How can I connect multiple 12 V loads to this 12 V, 2600 mAh Li-ion battery without damaging it? 12 VDC cartridge heater 12 VDC fan 12 VDC thermostat
Rocky's user avatar
  • 11
2 votes
0 answers
86 views

Indium Tin Oxide as heater element for bread toasting

Recently, the Blankety Blank game show featured as a prize a "transparent toaster". I was disappointed to see that the elements were conventional wire and could easily be seen through the ...
Dannie's user avatar
  • 306
2 votes
2 answers
977 views

Powering home thermostat using standard four-wire connection

I am starting a project to build a home thermostat for my air conditioner. I have the standard four-wire thermostat cable, with labels Rc / G / W / Y where one wire (Rc) carries a 24 VAC power source,...
keenkutt's user avatar
1 vote
0 answers
115 views

Calculate or estimate 3-phase 400V heat pump (inductive) load

My water heating system (CTC) consist of a air-to-water heat pump and a water tank with an immersion heater. It is all powered from the same electronics pack and hooked up to 400V (3-phase) with a 25A ...
2jan's user avatar
  • 11
0 votes
3 answers
145 views

What would happen if I powered a 5 V heater with 6 V?

I have 2 mini heater pads (carbon fiber) for gloves that are rated at 5 V. In series they have 6 + 6 = 12 Ω resistance. I have a 6 V power supply (~6.25 V by my last measurements), and I'm planning to ...
verbessern's user avatar
1 vote
2 answers
153 views

Can I connect a step up converter for higher voltage with nine 3000mAh cells in parallel, or is it dangerous and doesn't work like that?

I'm a college mechatronics engineer student who is working on a production project about making an electrical device (like a toaster, alarm clock etc.) My device is a simple nichrome wire heater and ...
MrCollegeStudent's user avatar
1 vote
1 answer
100 views

For how long would a 12V 8Ah C20 battery last by heating 100 resistive Kanthal (A1) 20awg 30 cm long wires to 130 ºC in half a second?

Well, I want to heat up 100 wires with 20cm of length each made of Kanthal (A1) with 20 awg gauge (0,8mm/0.03inch diameter and 0.817 ohms/in) to 130 ºC from room temperature of 30 ºC continuously. And ...
Fulano's user avatar
  • 370
0 votes
4 answers
132 views

Building a space heater

I'm building a space heater, not for continuous use, but just as an experiment. I made a nichrome wire coil that's 3.5 Ω and a fan that blows on it so hot air comes out of the other side of the tube. ...
zan13898's user avatar
0 votes
2 answers
89 views

Are heating foils resistors?

In my project I need to use some heating foils to warm a chamber up to a certain temperature. I would like to use polyimide or polyester heating foils. If these heating foils act as resistors, can I ...
stefyanna's user avatar
2 votes
1 answer
348 views

Induction heater short circuit

I see a short circuit in a widely used induction heater diagram. Why does this circuit work despite the short circuit? This circuit is widely successfully tested on youtube and I want to make it too, ...
Vadim Ostanin's user avatar
0 votes
1 answer
239 views

Attempting to power a 120 V, 0.4 A cartridge heater with a 120 V, 10 A variac

I have a small AC cartridge heater that has a max. input of 120 V and 0.4 A. I would like give full power to this heater (~50 W). I am trying to power the heater with a variable auto-transformer that ...
Lukas's user avatar
  • 1
0 votes
0 answers
45 views

I'm trying to vary the power sent to a heating element based on the heat in an enclosure

I'm building an enclosure for my 3d printer and I was considering using just a ceramic air heater and a fan to control the temperature in the enclosure. I have some misgivings about this however. For ...
Elliot Scher's user avatar
1 vote
1 answer
1k views

Simulate a thermistor to fake temperature readings in heater

What I want to do Control an old heater to avoid running during hours where kWh is expensive. Bonus: Getting a more even inside temperature. How I plan to achieve this I know there is a product where ...
pakerfeldt's user avatar
1 vote
2 answers
337 views

Best grade of graphite powder for a conductive paste

I want to make a conductive paste using graphite powder mixed with a liquid binder. The idea is to create heat through Joule heating when the (alternating) current is passed through the graphite, so I ...
EddieP's user avatar
  • 273
2 votes
2 answers
885 views

Heater controller circuit using MOSFET for PID control

I want to implement some PID control for a 48 W heater cartridge. I have a microcontroller which can only putout a PWM output at 3.3 V and 8.1 mA. I current am trying to use a IRLZ44N MOSFET. Is the ...
James Ashcroft's user avatar
-2 votes
1 answer
145 views

How to build a heater circuit with a Raspbery Pico?

I am building a Raspberry Pico controlled heater. The heater is just a nichrome wire with 4 Ω resistance and the power source is three 18650 Samsung batteries connected in series (~4 V, 20 A each). I ...
Urganiop's user avatar
0 votes
3 answers
216 views

Can a rheostat (as an alternative to a relay) act as the correction unit in a thermostatically controlled electric heater?

I was studying about the various elements present in a thermostatically controlled electric heater control system. While I agree that a relay can be used to correct the output temperature from a ...
Sheraz Malik's user avatar
0 votes
1 answer
642 views

Inverter requirements for instantaneous water heater

I'm looking at installing a battery + inverter system for my apartment to keep things powered during frequent scheduled powered outages. I live in South Africa, where we have 2.5hrs "load ...
Pangolin's user avatar
  • 1,045
1 vote
3 answers
605 views

AC coil heater vs DC coil heater - efficiency improvement

I am trying to improve the circuit of a coil heater which operates at 230VAC input. Total power to the coil is 2000W. There is a thermostat which measures the coil temperature and there is a relay ...
Vikash Kumar's user avatar
1 vote
2 answers
433 views

3-phase motor winding heater using DC current

The motor in use is a 3-phase 440V/37kW induction motor. I have received data regarding winding heaters from a motor manufacturer. If the rated voltage is 440V, a single-phase voltage of 24Vac must be ...
wooyoung kim's user avatar
1 vote
3 answers
396 views

Nichrome strip and resistor

I'm trying to build a heater connected to 220 VAC, 50 Hz using a nichrome strip (2.3 Ω/m) and I'm going to use 1 meter or less (60 to 70 cm). I know that this setup won't work at all with 220 VAC so ...
Fouad II's user avatar
1 vote
2 answers
867 views

Do resistive heating elements age due to the passage of current or due to the heat they are subjected to?

It is well known that resistive heating elements (such as lightbulb filaments, or furnace elements) have a finite lifetime. If I heated (or heat-cool cycled) a resistive heating element to the exact ...
user391339's user avatar
1 vote
6 answers
1k views

How to reduce power drawn by a resistor heater?

I am rather new in this field. On 220V AC industrial power supply, a 6 ohm resistor heater (nichrome wire, 0.40 ohm/m, 15 m) will draw about 8067 watt of power. About 2400 W are needed. What are the ...
Bramble's user avatar
  • 49
1 vote
3 answers
263 views

What limits the heating power output of a resistor heater?

I'm a bit confused since people said those resistors would draw more power the lower its resistance is, and one way to reduce its resistance is reduce its length. Will it draw more power the shorter ...
Bramble's user avatar
  • 49
0 votes
3 answers
5k views

What decides the amount of power being drawn by a heating element?

I'm trying to understand the basic concept of how such electronic equipment works. For example, if I have 220V 10A power line, when I plug a heating element into it, will it take all available power? ...
Bramble's user avatar
  • 49
4 votes
5 answers
1k views

Electric stove place thermostat so far from heater [closed]

I buy electric stove and found that thermostat placement doesn’t make any sense. The thermostat used seem like one in iron, in that case, the iron heater connected directly to thermostat via ceramic ...
M lab's user avatar
  • 1,424