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Electrical

Electrical Engineering, Control Panels and Alternative Energy.

Technology Resource – Silicon Sam

2020-11-11
By: delabs
In: Electrical, Training Consulting
Tagged: Technical-Reference

Sci.Electronics.Repair Frequently Asked Question(s) (or S.E.R FAQ for short) Home Page. This site features Samuel M. Goldwasser’s latest and greatest “Notes on the Troubleshooting and Repair of…” series of comprehensiveRead More

Good Earthing Prevents Shocks

2020-09-14
By: delabs
In: Electrical
Tagged: Product-Safety, Technical-Reference

Good Earthing or Grounding is needed for Human Safety it also Prolongs Appliance Life. Earthing in the olden days was done like this, i have just mixed what i haveRead More

Mains Transformers Types

2020-08-20
By: delabs
In: Electrical, Power Electronics
Tagged: Technical-Reference

Low Frequency Power Transformers are used to step down mains voltage of 230V or 110V to safer voltages like 12V and 6V. The core is made of laminations of aRead More

Transformers Series and Parallel Connections.

2020-04-03
By: delabs
In: Basic Electronics, Electrical, Power Electronics
Tagged: Technical-Reference

Series and Parallel Transformers Series and Parallel Connections in transformers. Observe the Dot-Polarity. When windings are in parallel the current capacity doubles. When windings are in series the voltage doubles.Read More

Facts of EMI and RFI from the Inside

2019-09-03
By: delabs
In: Electrical, Power Electronics
Tagged: Technical-Reference

Electromagnetic interference (or EMI, also called radio-frequency interference or RFI when in radio frequency) is disturbance that affects an electrical circuit due to either electromagnetic induction or electromagnetic radiation emittedRead More

Basic Electrical Circuits

2019-07-04
By: delabs
In: Circuits, Electrical
Tagged: Technical-Reference

Electrical Engineering encompasses Everything in Electronics. Communications, Computers etc. are further specializations of Electronics. So it is best to Identify Electrical Circuits with Electrical Designs which excludes Active Devices. ItRead More

power-quality

Earthing Practice and Power Quality

2011-11-08
By: delabs
In: Electrical, Power Electronics
Tagged: Product-Safety

“Earth leakage currents arise mainly from the EMC filters built into electronic equipment with switched mode power supplies. Standards limit the leakage current from non-fixed equipment (i.e. equipment that plugsRead More

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Surge Protection and Lightning Arrestors

2011-11-01
By: delabs
In: Electrical, Power Electronics

Supplementary to EMI/RFI/EMC Immunity of an Equipment. Many Installations are subject to Highly Disruptive Electrical Environment not just EMI. Depending on the budget and the situation a solution has toRead More

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The documents, software, tools and links are provided to enhance the ability of an electronics student, hobbyist or professional by sharing information. The information, links etc. should be used by the website visitor, at his or her own risk and responsibility. There may be concept, design and link errors in the pages.

Creative Work, ideas and documents of delabs can be used for Product Design and Development by R&D Engineers, Hobbyists, Students and even firms for creating useful products. These cannot be used for reprint, replication or publishing online or offline.