The Peltier effect is a reversible physical process which is exploited in Peltier cooler/heater. The flow of current through this device pumps heat from one plate of the device to the other. This can be used to both heat and cool electronic components.
1
vote
1answer
141 views
Peltier generators series vs parallel
If you are using peltiers as generators do you get double the voltage if you connect two in series, and double the ampage if you connect two in parallel?
1
vote
0answers
88 views
thermoelectric problem
A two-stage thermoelectric cooling system is to be designed to maintain a small insulated chamber at 0°F when
ambient temperature is 90°F. You may assume a cold-plate temperature of –15°F, ...
3
votes
6answers
330 views
Building a safe low-temperature heat box : heat sources
I'm not sure if this is more of a physics or electronics question, but here goes:
I use a heatbox with a temperature in the range of 80-100F for warming wax (for sculpture modeling). My current ...
0
votes
0answers
99 views
Peltier power driver [closed]
I need to control a 15VDC@26A Thermoelectric device, i have troubles finding a power driver for it, is it suitable to design my own, or anybody knows a place to buy one?, best regards.
Arturo ...
1
vote
1answer
510 views
What is the standard way to make a Peltier power supply with variable power? [duplicate]
Possible Duplicate:
How to drive a Peltier element?
I want to control a few Peltier using MCU. I think the easiest way is using PWM, but I feel that the efficiency is very low and It maybe ...
0
votes
1answer
488 views
Powering a 30 watt peltier heatpump
I've got a Peltier element rated at 12V / 2.5A (30W), but I'd like some clarification on how I should power it. I'm familiar with building power supplies with LM78xx linear regulators, and I've had a ...
9
votes
2answers
4k views
How to drive a Peltier element?
Maybe the underlying question is what the Voltage-Current curve looks like. Can I drive it from a voltage source (like you drive a heater) or from a current source (like you drive an LED)? Or even ...
1
vote
1answer
329 views
TEG in series require power balancer/align adapter?
Do Thermoelectric Generators (TEG) in series require a power balancer, when storing the energy to a battery source? If not, what should I do for my design to distribute to a battery source more ...
2
votes
1answer
616 views
Thermocouple array for generating free electrical energy?
Thermocouple is a material (junction between two different metals) which generates potential difference in terms of millivolts, isn't it?
Why don't we create a matrix of thermocouples (many ...
1
vote
1answer
161 views
Can I dunk a peltier (TEC) module in ethanol?
I would like to remove the silicone rubber that surrounds the edge of the unit. My intention is to use the TEC as part of an optical power meter: it is painted black on one side and the terminals are ...
1
vote
3answers
266 views
Do Peltier and heater make a good combo for thermostat?
I want to achieve 0.05C stability in closed space to fit 24 bit ADC and voltage reference. Is it a good idea to use Peltier and heater together ?
0
votes
3answers
117 views
cooling devices
i'm using a peltier device to cool my equipment but it seems not to be effective cause it dissipates too much heat. do you know any other effective cooling device which is very small like peltier.
or ...
3
votes
1answer
810 views
Powering electronics with a low-cost thermoelectric generator?
When I replaced my water heater, the installer was telling me how cool the Bradford White unit I got was because the electronics are powered by the same heat used to heat the water in the tank. I ...
1
vote
4answers
603 views
Is it possible to obtain very small Peltier modules with fast response times?
I have a thin 2x2 mm surface that I'm trying to cool by 5-10 degrees Celsius in 1 second or less. Some very rough back-of-the-envelope calculations reveal that I need to remove ~50 mJ of energy to do ...
4
votes
2answers
416 views
Are peltier devices linear?
Say I've got a peltier block that is rated at 15.2V and 6A, providing 90W of cooling power to one side.
Will I be able to operate it at 5V, and will it draw 2A, providing 30W of cooling power?
...
