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Power Transformer Specifications and Standards

12th September 2011
A power transformer may be best defined as an electrical device aimed at transferring alternating current or voltage from one electric circuit to another through electromagnetic induction. Power transformers can have features for electrical isolation, pow... Read >
Author: Sanjuu

Importance of Isolation Transformers

23rd August 2011
The intuitive inventions in the field of electro-magnetism have enabled the human race to perform once complex industrial operations with greater ease and safety. Some of the greatest outcomes of these historic scientific developments are electrical gener... Read >
Author: Anil kumar

Acceptance Testing and Maintenance of Power Transformer

19th January 2011
An energy transformer is a rather critical piece of equipment and this makes its installation a monstrous task that needs to be well backed by a good testing and inspection program. Power transformer testing and inspection should ideally start with the... Read >
Author: MikeD

Testing a Transformer - How To Accurately Test A Transformer

02nd December 2009
There is two types of transformers in the market- linear transformer and switch mode power transformer. The transformers design is different. Sometimes it is just referred as ac transformer. Linear transformer mostly used in radio, project kits, VCD and... Read >
Author: VineetB

Samsung 153V LCD Monitor Power Supply Repair Tips

02nd December 2009
Troubleshooting Samsung 153V LCD power supply is just like troubleshooting those crt type. This monitor came in with no power symptom. If you are first time repairing this type of power supply, I recommend you to first remove the switch mode power tra... Read >
Author: VineetB

Samsung 510bn LCD Power Supply Repair Secrets

02nd December 2009
The complaint for this Samsung 510BN LCD monitor was no power, after the cover was opened I found that the power filter capacitor still hold some charge and the voltage was quite high. A good monitor by right the filter capacitor stored voltage should... Read >
Author: VineetB

Epson Lx300 Printer Repair-No Power And Can't Print -Max232ic Faulty

01st December 2009
Intermittent no power was the complaint of this Epson lx 300 printer. As usual, the main suspect was the power on/off switch. After removing the power board from the printer, I could clearly see a dry joint at the pin of the switch mode power transfor... Read >
Author: VineetB

Understanding TOP223P And PQ05RD11 IC In Thompson DVD Power Supply

01st December 2009
The TOP223P pulse width modulation ic is designed to work in switch mode power supply (smps). It is mainly used in the audio/video electronic equipment. Computer monitor rarely use this type of ic. In this article, I would like to share with you that not ... Read >
Author: VineetB

Testing Transformer - 3 Proven And Simple Methods To Test Transformers

01st December 2009
Testing transformer is very easy if you follow the procedure explained in this article. Generally there are two types of transformer in the market i.e. the linear type and the switch mode power transformer. In this article I'm only explain on how to t... Read >
Author: VineetB

How To Troubleshoot And Repair DELL E151FP LCD Monitor With No Power Problem

01st December 2009
The DELL E151FP LCD Monitor came in with no power symptom and upon opening up the cover I saw few components that were burnt. R623 (4.7 ohm) burnt at the side and you could still recognized the resistor color code. The current sense resistor (0.68 ohm... Read >
Author: VineetB

Testing Transformer-How to Accurately Test A Transformer

06th October 2005
There is two types of transformers in the market- linear transformer and switch mode power transformer. The transformers design is different. Sometimes it is just referred as ac transformer. Linear transformer mostly used in radio, project kits, VCD and e... Read >
Author: Jestine Yong
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