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Friday, November 10, 2017

What Is A Conductor?

When you think of the term conductor, you think of anything that conducts electricity through something, often wires. Electrical wires may be made of copper or aluminum metal, both of which conducts electricity, but copper is a much better conductor than aluminum and a safer option. When electricity flows from one point to another through something like an electrical wire, we call this conductivity.

The wire would then be called the conductor.

Likewise, large conductors that transport power from utility substations to individual homes are called service conductors. And of course don't forget the service entrance wires that feed your electric meter and electric service disconnect. From there, there are conductors that feed the electrical panel  and the individual wires, called branch circuits that feed switches and outlets in your home. That's right, there are conductors everywhere!

But what is a conductor? Well to put it simply, it is anything that is capable of allowing current to flow through it. You could be a conductor if you touch a hot wire and become the path to ground, causing you to get shocked. Lightning rods and the wires connected to them running the length of your home's roof to a ground rod in your yard is a conductor, thus a path to ground if lightning would hit your home.

the idea is to divert the path of the lightning harmlessly to ground instead of your home taking a direct hit.

Have you ever drug your stocking feet across the floor and then touched someone else, only to shock them? That's an example of conducting electricity also. Sometimes the static electricity is stored up in your body until you touch something grounded, like another person.

You might say it's shocking!

There are some items that are not very good conductors like plastic, rubber, or wood. These items insulate or isolate flow and are not very good conductors. In fact, these items are often used to separate items from electrical components to stop conductivity. However, in the case of wood, it is possible that wet wood could actually carry current, so be careful.

Some of the better conductors and most commonly used types are copper and aluminum wires called conductors. Copper by far is the industry standard, although aluminum wire was used in past years with an unfavorable result in homes. As a cost saver to homeowners, aluminum wire was used in homes. Being a much softer wire, it has more resistance than copper wire and is prone to heat up when under load. The problem then becomes that the wire in the connector or wire nut could become loose, and become a potential fire hazard. 

Conductors are used for grounding systems and lightning protection to channel the lighting immediately to a ground potential and away from your home. They are used as a safety channel to take dangerous electricity to ground. If the hot wire goes to ground, the circuit breaker will trip or the fuse will blow.

It is a built in safety measure built in to today's wiring, making today's wiring much safer than that of years ago. remember, in earlier wiring just 50 years ago, there was no ground wire for safety.

Let us not forget about low voltage wiring that is used for things like door bell wiring that runs between the door bell and the door bell button. There is also thermostat wiring that controls your heating and cooling in your home. If you have a stereo system, there is speaker wiring that runs from the stereo to the speakers. TV's have their own cable that has a center conductor and a ground shield that wraps around the inner jacket of the cable. These are just a few of the many low voltage conductors.

The next time you hear the term conductor, make sure the wires in your home are connected properly so that they are the conductors and that you are not.

Sunday, February 26, 2017

35 New Seminar Topics for Electrical Engineering 2016

 List of Seminar Topics for Electrical Engg 2016

  1. Power System Contingencies
  2. HVAC system
  3. Process Automation Techniques 
  4. Adaptive Piezoelectric energy harvesting circuit 
  5. Lightning Protection Zones
  6. Modern Surge Arresters 
  7. BiCMOS Technology 
  8. End-Use Energy Efficiency Potential
  9. Lightning Protection Using LFA-M
  10. Surge current protection using superconductors
  11. Magnetic Levitation
  12. Fast quasi-static capacitance extraction using CSurf
  13. Electrical and chemical diagnostics of transformer insulation
  14. Micro Batteries
  15. Seasonal Influence on Safety of Substation Grounding 
  16. EL Lightning 
  17. Microprocessor Based Alternator Synchronisation
  18. IT Integration in Electrical Engg.
  19. Protection Of Transmission Systems By Using The Global Positioning System 
  20. Green power storage
  21. Clean Electricity
  22. Infrared thermography
  23. Magnetic Optical Current Transformer
  24. Voltage Sag Analysis
  25. Electrolytic Hydrogen: A Future Technology for Energy Storage
  26. Adaptive Piezoelectric energy harvesting circuit
  27. Liquid Electricity
  28. Magneto hydrodynamic Power Generation Technology (MHD)
  29. Biomass Fuelled Power Plant
  30. Condition Based Maintenance of Underground Cable Systems
  31. Contact less energy transfer system
  32. Matrix Inversion Generator
  33. Solar Power Generation
  34. On-Line Detection Of Shorts In Fields Of Turbine Generator Rotor
  35. Flywheel Energy Storage System (FESS)