Construction of DC Machine (Generator & Motor)
The dc generators and dc motors have the same general construction. In fact, when the machine is being assembled, the … Continue Reading
Electrical Machines
Transformer Oil Filtration and Hot Oil Circulation Process
Transformer Oil Filtration Plant is a self-contained unit to upgrade the quantity of oil. The duty cycle begins from pumping … Continue Reading
Transformer Oil – Tests and Purification Methods
What is Transformer Oil? Transformer oil is mineral insulating oil derived from crude petroleum. It is a mixture of various … Continue Reading
Condition Monitoring for Transformers
Condition monitoring for transformers is the process of monitoring a parameter of conditions in transformer (moisture, temperature, etc.), in order … Continue Reading
4 Major Troubles in a DC Motor with Reasons
DC motor fault zone analysis is a vital plan of any DC motor maintenance program. Several troubles may arise in a … Continue Reading
Substation Earthing System ( Grounding System ) – Earthing Mat
The substation earthing system comprises of a grid (earth mat) formed by a horizontal buried conductors. Read about design of substation … Continue Reading
Losses in DC Machine ( DC Generator and Motor )
The losses in a DC machine (generator or motor) may be divided into three classes viz Copper losses Iron or … Continue Reading
Split Phase and Capacitor Start Induction Motors
Before reading Split Phase and Capacitor Start Induction Motors, please read the previous article, Why a Single Phase Induction Motor … Continue Reading
Power Transformer and Distribution Transformer
The power transformer and distribution transformer are an important part of an electrical power distribution network. They are classified based … Continue Reading
Single Phase Induction Motor – Working Principle and Construction
Single-phase motors are the most familiar of all-electric motors because they are extensively used in home appliances, shops, offices etc. … Continue Reading