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Transformer

How to Modify a Transformer

Last Updated on January 23, 2024 by Swagatam 16 Comments

Commonly, the perfect transformer might not be readily accessible for purchase, or if it is available, it can be costly. Nonetheless, there is a possibility of modifying the transformer’s secondary winding, especially when producing small voltage and current outputs. This approach can provide a highly cost-effective solution for creating a customized power supply. Transformer Power […]

Filed Under: Power Supply Circuits Tagged With: Modify, Transformer

Monitoring 220V AC Load Current using Current Transformer [Circuit Diagram]

Last Updated on December 10, 2023 by Swagatam 36 Comments

current sensing transformer

In this post I have explained a circuit which can be used for monitoring or controlling AC 220V load current by sensing the load current through a contactless current transformer. Figure 1 below depicts a circuit diagram designed for a non contact load current sensing through a current transformer, which seemed to work well. It is […]

Filed Under: Security and Alarm Tagged With: 220V, AC, Current, Load, Monitoring, Transformer

Simple Transformer Winding Tester Circuit

Last Updated on May 8, 2020 by Swagatam 14 Comments

Test Transformer

This test set is primarily designed to test step-down, step-up transformers, for open and shorted winding. It can determine if the device under test has a low resistance to ac current. It can also measure the dc current resistancein ohms. By Henry Bowman Introduction The test set uses a 16 VAC, 60hz signal to determine […]

Filed Under: Meters and Testers Tagged With: Simple, Tester, Transformer, Winding

How to Make a Transformer Winding Counter Circuit

Last Updated on June 23, 2019 by Swagatam 17 Comments

In this post I have explained how to make a simple transformer winding counter circuit using ordinary LEDs and also through an advanced digital display circuit. The idea was requested by one of the dedicated readers of this blog Circuit Objectives and Requirements I want a circuit which counts a number of turns for winding […]

Filed Under: Sensors and Detectors Tagged With: Counter, Transformer, Winding

Grid Transformer Fire Hazard Protector Circuit

Last Updated on January 2, 2024 by Swagatam Leave a Comment

transformerfireproetctioncircuit

In this post I have explained a smart mains fire hazard protector circuit which can be used for preventing mains grid transformers from over heating and causing sparks or even burning due to a possible fire. The idea was requested by Mr. Ravindra Shedge Technical Specifications I am Ravindra Shedge from Mumbai. I am looking […]

Filed Under: Voltage Control and Protection Tagged With: Fire, Grid, Hazard, Protector, Transformer

SMPS Halogen Lamp Transformer Circuit

Last Updated on January 8, 2024 by Swagatam 25 Comments

halogen lamp circuit

One of the best substitutes for traditional light transformer for halogen bulbs is the electronic halogen transformer. It can also be used with non-halogen bulbs and any other form of resistive loads that does not run on RF current. Written and Submitted By: Dhrubajyoti Biswas Halogen Lamp Working Principle The electronic halogen lamp transformer works […]

Filed Under: Power Supply Circuits Tagged With: Halogen, Lamp, SMPS, Transformer

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