Three Phase Transformer Interconnections
The phase windings of three-phase transformers are interconnected to give a three-phase, three-or four-wire supply through three different modes of … Continue Reading
Transformer
Effects of Voltage and Frequency Variation on Transformers
The effects of voltage and frequency variation on the transformer is discussed in this article. Usually, power transformers are not … Continue Reading
Current Transformers – Windings and Rated Insulation Levels
A current transformer is an instrument transformer in which the current ratio is within the specified limit. The primary winding … Continue Reading
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
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
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
Capacitor Voltage Transformer (CVT or CCVT) – Construction & Working
Capacitor Voltage Transformer (CVT) or Capacitor Coupled Voltage Transformer (CCVT) is a switchgear device used to convert high transmission class … Continue Reading
29 Important Electrical Interview Questions you must Go through
Nervous about an upcoming Electrical Engineer interview? Check out this well-curated list of frequently asked Electrical interview questions and answers. … Continue Reading