All Questions
Tagged with energy power-electronics
22
questions
0
votes
4
answers
60
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Does reciprocity apply in appliances power consumption?
Normally, microwave ovens have a timer and a power selector. Similarly in other machines, you can control the power and the time you use that power.
Is it generally true in real life that the final ...
- 1
2
votes
1
answer
292
views
Designing boost converter for a supercapacitor source and LED load
I have a 2.7 V 100 F supercap, that would equal 364.50 J of energy based on E = 1/2CV^2. If my load is a series of 4 LEDs with a stack forward voltage of 12 V and forward current of 3 A that would ...
- 407
6
votes
2
answers
427
views
"To Gap, or Not to Gap" Inductor/XFMR - Energy POV
This post/question is coming from a question I asked within the comments section of here:
How to calculate air gap in flyback transformer?
The great answer given talks about his solution to the ...
- 180
0
votes
1
answer
277
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What types of power rail are there in an integrated circuit?
I understand that power rails provide the energy required for a circuit to function. Intuition tells me there must be at least two types of rail, one providing power and another taking it away.
But I ...
- 399
-1
votes
1
answer
190
views
Calculate the power consumption
I have project put the ESP32-S2 in active mode for 10 second and then go to modem-sleep mode. I want to compute the power consumption for the active mode. According to this, the ESP32-S2 current ...
- 103
2
votes
4
answers
165
views
Matching generation and consumption in renewables
To balance power generation and consumption, traditional power plants such as thermal and hydro have governors that regulate the steam/water that flows into the turbine.
The energy that renewables ...
- 91
0
votes
3
answers
628
views
How much electricity can be generated from stove's heat?
Yesterday I asked a whether it is profitable to put a thermoelectric generator (TEG) between a stove and a freezer regarding electricity terms. I was missing a point, which was that heat was being ...
2
votes
2
answers
365
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What if we attach a TEG between a freezer and stove?
I have been thinking about this, that if we attach one part of a thermoelectric generator between a freezer and other part on a stove. This would create a temperature difference and generate ...
10
votes
4
answers
2k
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How to shunt 1500 joules when voltage exceeds 75 VDC
I have an alternator that charges at ~58 V at 100 A. If its load (a lithium bank) cuts out suddenly (bms cutoff), I need a way to shunt power for 200 ms to a dummy load to prevent the current from ...
- 301
0
votes
0
answers
762
views
How to calculate energy from power I receive every 5 minutes
I have to calculate energy from power measurements, which I receive every 5 minutes. The values are summed and assigned to measurements, then monthly measurements and finally yearly measurements. ...
1
vote
1
answer
149
views
How is heat generated to start combustion in an incinerator?
I see many diagrams on the internet that show a layout diagram of an incinerator that has a combustion chamber connected to a boiler or gas turbine to capture the energy mechanically or generate ...
- 167
0
votes
2
answers
112
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Lighting System in terms of its efficiency and consumption
I'm curious regarding some matters in my experiment session of Efficient Lighting System. There are 4 types of lamps which we measure the data to fill-in the table as in the picture. Correct me if my ...
- 11
0
votes
1
answer
72
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What is the average energy loss if a booster connected to power source but without a load?
I have lipo battery 4.2V 3000mAh,
booster simulation ti power bench TPS55340QRTERQ1 ‑ 2.8V-4.2V to 8.00V @ 1.5A
Vin 2.8V - 4.2V
Vout 8v
Iout 1.5A
simulation details
efficiency 84%
1.43Mhz
duty 65%...
- 194
0
votes
1
answer
93
views
voltage potential energy clearance?
1 coulomb = charge of 6241509074460762607.776 protons(fixed amount of energy passing thru certain point).
So 1 volt = 1 joule(energy) per 1 coulomb.
and 2 volts = 2 joule(energy) per 1 coulomb.
does ...
0
votes
3
answers
66
views
MW of installed capacity
I am conducting research on wind turbines, specifically into how many hectares wind farms use.
I have come across the phase 'installed capacity'. If wind farms typically use up 10 hectares per ...
- 23