Questions tagged [amperage]
Amperage is the disfavored term for "current:": the strength of an electric current in Amperes (Sometimes shortened to Amps).
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How to measure inrush current over 3 minutes
I have a DC electronic system that takes approx. three minutes to boot up, and I have to decide what gauge wire to make power cables.
During boot up, this system powers on several different sub-...
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Base resistor R2 for voltage bias [closed]
Can someone please explain to me how they arrived at 38.8k ohms for the R2 from this site, under the voltage divider bias technique... I just can't seem to figure it out. Pls help out voltage divider ...
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Bypassing battery to power car while camping [closed]
I'm considering going camping but I only have a car, not an RV. The campground has a 50 amp socket for RVs.
In order to have power insider the car for air conditioning, charging phones and laptops, I ...
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How do you specify the requirements for 3-phase load center (breaker box)
I have listed the eight required circuits in the image/table below. There are three 3-phase 208 V circuits, and five single-phase 120 V circuits. What I'm looking for specifically is how many amps ...
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Step up boost converter to increase amps keep voltage
I have a 48v 13ah lithium battery on 1800w motor with a 33 amp controller can I use DC to DC constant current boost converter to increase my amps to 30ah but keep my voltage the same? Or increase my ...
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What phase transformer is this? How do I calculate the FLA for this kind of transformer?
I am trying to calculate the Full Load Amperage for this 150 kVA Transformer so that I can appropriately size the fuses for it.
The transformer is being supplied by two connections to a 3 phase system....
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Transistor pin configuration
Is the base of a transistor (NPN) always positive or does it change due to manufacturers specs; as some might decide to put the base as pin 1 , followed by the rest; maybe collector as pin 2 etc like ...
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Measuring Inverting Op Amp config and not getting desired output (practice)
I am a year 2 EE student and I'm still struggling with getting simulations to work in practice.
Components:
10k resistor x2
Arduino
LM741 Op Amp (pinout: https://www.ti.com/lit/ds/symlink/lm741.pdf)
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Can I add a 20A breaker to this electrical panel [closed]
I replaced the oven at my small condo (600 sqft). Oven is 2300 watts/ 9.5 A. It needs a 20A breaker. The panel has a few empty slots.
Question: What's the best way to confirm that the panel can handle ...
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How are CCA's (Cold Cranking Amps) measured, specifically with regard to the load resistance?
I'm not interested in the "cold" part of CCA's. Here is my understanding:
The electrical system draws (by far) the most power during the actual start-up of the engine.
The idea (more or ...
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Wondering how to power this motor (universal motor?) with the correct power supply and using a pwm speed controller
This is a motor that I had lying around and so I did a bit of research and found that it’s most likely a universal motor. As shown, the motor says 120v and 60hz (which I assume is the AC and DC rating?...
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Shunt + hall: any advantages from combining those two?
Are there any devices that combine shunt resistor and Hall effect to measure the current with better precision?
Or, do I understand correctly that shunt is better in all aspects except of the heat ...
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Peltier not consuming enough current
I have two water loops, one to dissipate heat and one that cools water. Both are closed loops. I have four 12706 Peltier modules connected to a switching power supply that can deliver 12 V and 30 A. I’...
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40 amp device on 50 amp circut [closed]
I have 220 VAC 26amp dust collector that I need to run off a generator for my mobile business. The manufacture of the dust collector says to put it on a 40 amp circuit. When I hook the dust collector ...
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Relationship between DC speed control module and dc motor
Good Morning! I have a minnkota trolling motor that pulls 50a @ 36vdc (per the spec sheet). This unit leads a hard life (routinely running through mud and weeds which would be increasing resistive ...
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How to directly wire a solar panel through the wall socket without a battery? [closed]
I apologize for this the multi-ponged line of questions. I am thinking, I can wire the solar panel to a pure sine wave inverter then use a extension cord with 2 male plugs, one going to the inverter ...
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If I were to run a motor slower, would the battery drain less?
This might be a dumb question, but I'm using a 48 V, 18 Ah battery to run a 48 V, 1800 W brushless motor. I calculated a predicted 34.6 min runtime at full throttle, however, I need it to be able to ...
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Ampere boosting circuit
I'm trying to solve a problem in a device where I don't have much room for a stronger power supply, but I have room for some small circuit board "to fly in the air".
I need a circuit that ...
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Can I power an Orange PI 5B with a 5V 10A (50W) converter? [duplicate]
I want to power the Orange PI 5B that has a 5V 4A USB type C power port.
I am converting from a car battery 12V 24V to 5V 10A to supply the Orange PI 5B.
In this configuration, I will have the ...
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Power supply amperage to wattage conversion [closed]
How many amperes would be needed for a PC power supply to run around 1000 watts RMS on a class-D mono block car amplifier in my house? Are PC power supplies the best option?
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How much time the load would take to drop 1 volt of source battery?
I am trying to figure out how much time a load takes to drop 1 V of the power source. I have a load (vehicle tracker) of 12 V 0.1 A (as per the datasheet) and a car ...
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How can some multimeters automatically detect and measure the AC and DC voltage and current?
I was wondering how there are multimeters that are able to measure voltage and current AC or DC automatically without setting the reading on AC or DC.
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Can I use a power bank of 5 V/3 A to power an Orange Pi 5?
I'm trying to build a portable PC with the Orange Pi 5 16GB RAM model with a touch screen and powered by a solar power bank.
I saw that the Orange Pi 5 requires 5 V/4 A to be powered, but I can't find ...
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Solar panel output volts and amperes are higher than the battery but it won't power a small DC motor [closed]
Why won't my DC solar panel power a small DC motor when the output volts and amperes are higher than the battery that does power it?
Thankyou everyone..Alot to review
Regards
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Would a 20A, 12v fuse be functionally identical to a 1A, 240v fuse?
1Ax240V=240W
20Ax12V=240W
Assuming both fuses are of the same type, would they be interchangeable?
I'm aware that 240v fuses may not exist. I'm assessing the viability of substituting a 250v fuse with ...
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Can I convert a 36 volt battery to a 48 volt battery or how do I extend a 48 volt 10 amp hours to 48 volt 20 amp hours? [closed]
How do I convert a 48 volt 10 amp hours to 48 volt 20 amp hours battery? Can I convert a 36 volt battery to a 48 volt battery?
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12 V, 18 Ah battery for a solar panel
I have a 100 W solar panel. I bought a 12 V, 18 Ah battery with a 30 A PWM solar controller. How can I get this to charge right? The current will be too much for the battery. How can I cut down the ...
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Electrical Project containing parts with different volts/amps rating
So I have a small project just for fun.
Includes a Peltier module , and a small cooling fan like the ones used in a pc for airflow.
So my question is since the peltier module have a different rating ...
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Powering long LED strip
I am currently working on an Arduino project and I want the Arduino to control a 5-meter long LED strip, which (as the producer said) needs 18 A and 5 V.
My chosen cable is this one.
I heard a lot of ...
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Manufacturer amperage rating for cables VS ampacity chart
Whenever I am shopping for electrical cables on stores such as Amazon or Ebay, I often encounter cables with a maximum amperage rating that is way above what I can find in "ampacity charts". ...
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What's the relation between SWG, input & output VA, cross sectional area, number of turns of an isolation transformer?
I made 3-4 transformers before and learnt a lot about transformers, I didn't have a formula so I was following heuristic approach to resort to the right SWG and right number of turns, however this ...
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Switch that is rated for 24 V and 4 A: can it endure 8 A if I limit the voltage? [duplicate]
I have a switch that is rated for 24 V and 4 A. Can this switch endure 8 A if I limit voltage? What voltage would I have to limit to? My concern would be not to melt the switch with too much power. ...
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Can I safely use 22 AWG to run a 240 V relay at 30 meters?
I have three devices that I need connected. They are about 30 m away. Conduit space is limited so I want to try to get a single, multi core cable through for all of this.
What I need to run:
220 V ...
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How many amps is needed from a 12V system to power a 7.4V 5A system
I have a circuit that runs at 7.4V and 5 amps. A 12V system can also power it. I was wondering how to determine what the amp draw would be on the 12V system to produce 5A at 7.4V. This is all in DC.
I ...
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What is the rated output current in different MOTs?
I've been looking at LG service manuals, searching parts numbers, and the lot; but I can't seem to find anything concrete. I see websites throwing around "generally 1 amp" a lot and other ...
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How powerful would be a Bitter configuration electromagnet made of aluminium foil?
The specs:
The electromagnet has 7,2 cm of height, 1 cm of radius.
A hole with 2,5 mm of radius in the middle.
An aluminium foil has 0,024 mm of height so I assumed the insulator layer has the same ...
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How to increase output current while maintaining low voltage through a ferrite transformer?
I'm building a circuit to generate a 4600 Hz square wave signal and couple that signal to household 120 V, 60 Hz AC mains. This remotely turns on and off a receiver device plugged into an outlet in ...
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TA12-100 current transformer - Safe to use over 5 A?
I have some cheap TA12-100 current transformer boards with a built in 200 Ω burden resistor rated to measure up to 5 A.
I would like to set these up with an Arduino to monitor a 120 V AC outlet that ...
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I need a wire to pull about 20-30A in order to test a current sensor I've bought. How should I go about this?
In order to test a sensor, I need to be able to consistently have a 20-30A DC line. I can buy any equipment needed, but I'm not 100% sure where to start. Any advice would be appreciated!
Edit: The ...
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Limit current without fuse or breaker
I'm looking for a way to 'cap' current coming from my solar panels.
I have two panels, 300 W each. In sunny conditions that would provide 18 A @ 33 V. In cloudy conditions that provides ~4 A @ 33 V.
...
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What adapter do I need to replace 4 AA batteries?
I have Yale Linus lock installed at my home. It has 4 AA alkiline batteries inside, and it grinds through them like hot knife grinds through butter. Therefore I want to convert it to an AC powered ...
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Why can't I power everything with a 9 V DC battery?
I am a student and have a very basic knowledge of volts, ampere, watts, charges, etc.
My question is fairly simple: Why can't we use 9 V DC batteries to run everything in the world?
Because it's DC, ...
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How to increase the voltage of a power source? [closed]
We have a USB 5V 3A. How can I increase this voltage to 12V with losing current level? I need 12V 1A. I need a circuit drawing which I can assemble for this.
How to preserve power (15 W), and not ...
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Effect of two welders working on the same piece
I am a beginner in arc welding and am fairly conversant in electrical concepts. I am told that two people working on the same piece do not affect each other. But my electrical background is telling me ...
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Using a 2 A, 48 VDC rated switch in a 8 A, 12 VDC circuit
I have a push button make/break switch rated at 2 A, 48 VDC. I want to use it on my aircraft in an 8 A, 12 VDC circuit. Can I use this switch in this circuit or will the switch burn up?
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Can I evenly divide current between different parts of a circuit without one pulling more than its designated amount?
Here is a picture of what I am trying to ask:
...
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Component that responds to amperage
I am extremely new to electronics, so please let me know if I have no idea what I am talking about.
Basically, I know there are transistors, resistors, capacitors, etc. These are all components as I ...
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Calculating amperage from capacitor
I am calculating the output of a capacitor bank in A/s using Q = C·V, but I need to get the raw amperage. Can I do I = Q/t (in seconds)?
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Masking tape on 12v car charger adapter a fire hazard? [closed]
I recently purchased a 12v USB car charger adapter (for context https://www.bestbuy.com/site/anker-powerdrive-2-alloy-24w-vehicle-charger-silver/6479184.p) to power my phone. Due to vibrations, the ...
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Can I run a WiFi router on a 12 V, 50 A lead-acid battery? [duplicate]
I have a router that takes 5 V, 0.3 A from the AC adapter.
I have a 12 V, 50 A lead-acid battery.
What if I reduce only the voltage to 5 V through any stepdown module; will it work?
And what are the ...
