Speed Control of DC motor Shunt and Series type

In this article I will explain the different techniques which can be used for speed control of dc motor. Comparison of techniques to control dc motor speed will be presented. Also the advantages and disadvantages of dc motor speed control techniques are also discussed in this article. Contents1 Introduction to …

Read More »

Equivalent circuit of DC motor.

This article will answer the questions; How to draw equivalent circuit of DC motor. How to find equivalence of stator and rotor. How to model leakage flux. What is the final equivalent circuit of DC motor? Step by Step derivation of Equivalent Circuit of DC motor In order to draw …

Read More »

Armature Reaction, its effects and remedies

This article will answer the following question.What is armature reaction? Why and how it occurs? What are the drawbacks of armature reaction? How to neutralize the effects of armature reaction? Contents1 Definition1.1 Explanation 2 Problems of Armature Reaction.2.1 Flux Weakening2.2 Problem in commutation (Sparking)3 Remedies for Armature Reaction3.1 Interpoles or Commutation poles3.2 Compensating Poles …

Read More »

Renewable Energy Research Ideas suitable for graduate and post graduate students

renewable energy research ideas

Contents1 Renewable Energy Research Ideas1.0.1 1) Low-profile auto-aligning Solar Panel1.0.2 2) Hydrogen powered Nightlight1.0.3 3) Micro-grid central controller for local area voltage control1.0.4 4) Differential solar tracking for a concentrated solar device1.0.5 5) Wind turbine pitch control implementation1.0.6 6) Building a SCADA system for a photovoltaic inverter1.0.7 7) Distributed generation …

Read More »