Tuesday, November 23, 2010

ENGINEERING SOLUTIONS

ENGINEERING SOLUTIONSI came across this blog just recently and I find this one very informative.This blog provides fresh graduates specially mechanical engineering, find a job in well reputed company . Tips and guidance published here will surely educate you in dealing with job intervi...

Polyphase system: How Three phase sytem works?

Three Phase system    A three phase circuit is energized by three alternating emf's of the same frequency and differing in time phase by 120 .The emfs are generated in three sets of armature coils in an ac generator. These three sets are 120 degree apart on the generator armature....

Monday, November 8, 2010

Introduction to Ohm's law

                                                    What is Ohm's Law ? In 1826 Georg Simon Ohm discovered that for metallic conductors there is substantially constant...

Saturday, November 6, 2010

Generators in parallel

Why generators are in parallel? here are some of the summarized  reasons: 1. Continuity of the service 2. Efficiency 3. maintenance and repair 4. Addition to plant ( provision or future expansion) . Efficiency In an electrical power generating system  the load fluctuates, usually...

Friday, November 5, 2010

Introduction to DC Generator

GENERATOR is machine that converts mechanical energy to electrical energy. DC generator or direct current generator generates a voltage when speed and flux are met.This machine is called a unidirectional (dynamo).It consists of the same basic elements as a simple AC generator like the multi-turn...