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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hi,
Consider Single phase induction motor.
What will be torque of induction motor, if we increase supply frequency 10 times, if the motor uses same supply current.
Let's say Torque (Supply frequency 50 Hz, Supply current 10 Amperes ) = N
What is Torque (Supply frequency 500 Hz, Supply current...
So I bought a 1986 Ford ranger that needed the body harness completely rebuilt . As I'm ripping out the old harness I noticed something that looks like a wire nut with about 6 wires inside of it. Has anyone seen anything like this? Was this Normal for fords back then ? Or was this the result of...
Hello there,
Nice to meet you!My name is Dragos.And I am a beginner in electronic and electrical engineering.I want some advices from you.I want to learn simulation S.P.I.C.E., using Mcro-CAP 12, or any profesional program,and I want to know how to begin the process of learning.I want to know...
I was reading this Wikipedia article, https://en.wikipedia.org/wiki/Eddy_current_brake and I noticed that it says that the rotor in an eddy current break is non-ferromagnetic. But the picture on the article shows a rotor that looks like it's rusting. This makes me think that it's steel or iron...
Hi guys,
I am currently working with an AC Integrator and have a square wave as my input while my output is a triangular wave.
I am confused why the triangular wave has a decreasing slope when the square wave is at +4V. I believe it has something to do with the area under the square wave...
I constantly read that capacitors provide reactive power. So how are they used instead of a battery? I mean in a battery the voltage and current are in the same phase. How is the phase change between the voltage and current in a capacitor eliminated without using an inductor, to use capacitor as...
Hello, I have a power supply that goes in the wall charger from 220v AC or something to 12v 2.5A DC, but I want to decrease the 12v 2.5A DC to 12v 1A DC...
Can someone help me to tell how I get 12v 2.5A to 12v 1A?
Best regards Adam.
So I tried to make an adaptor that can give me voltage around 9-10 Volts. There are total 5 wires as you can see in the attached image.
I am using a 1000 uF(25V) capacitor parallely after the bridge diodes as said. But the capacitor is heating up and I think the lid/head of the capacitor is...
Hello, I am currently working on a project where i want to replace the switches in a guitar hero guitar, in my case the world tour one. The current problem is that the stock switches are really bad and wear out easily to the point where they miss strums, so to remedy this i have mechanical...
Im attempting to use Arduino connected with a GSM shield connected to power grid.
The objective is to deploy the unit all over the city so that data can be received in almost real time so that power status can be known.
I need to understand what chip can I connect with my Arduino so that I...
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