WAZIPOINT Engineering Science & Technology

Friday, July 17, 2026

How AC Motor Works in Industry?

An AC motor, or Alternating Current motor, is a type of electric motor that operates on alternating current. These motors are widely used in various applications due to their efficiency, reliability, and versatility. AC motors are commonly found in appliances, industrial machinery, transportation systems, and more. There are several types of AC motors, with the two main categories being synchronous and asynchronous (also known as induction) motors. 

Most Used AC Motors in the Industry

The industry frequently utilizes the AC motors listed below:

AC Motor Wiring Diagram
Fig-AC Motor Wiring Diagram


Tuesday, July 14, 2026

Transformer Protection in 132/33kV Transmission Line


Transformer Protection Deserves
A Complete Engineering Guide to Schemes, Relays, and Standards

Introduction: Why 132/33kV Transformer Protection Deserves Rigorous Design

A 132/33kV power transformer sits at one of the most consequential nodes of any transmission network.

What is The Common Failures in DC Motors?

What is The Common Failures in DC Motors?
Common Failure of Motors

How do we understand the common failures of DC Motors?

Direct Current (DC) motors are widely used in various applications, from small household appliances to large industrial machinery. Despite their robustness and efficiency, they are susceptible to certain common failures that can affect their performance and lifespan. Recognizing these failures early can help in preventive maintenance and reduce downtime.

Standard Colour Code for Electrical Power Cable and Wiring

Basic Color Code for Electrical Cable

Basic Color Code for Power Cable








Basic Colour Code for Electrical Cable and Power Cable 

International standard IEC 60446 developed basic and safety principles for the man-machine interface by marking and identification of electrical cabling and wiring systems. 

JACK AND PLUG CONFIGURATION IN DIFFERENT COUNTRIES

Fig-Plug and Socket Types
Jack & Plug or Plug & Socket Configuration in Various Countries


There is no guy who hasn’t faced fixing an unmatched Plug & Socket or Jack & Plug, ever, you say. Especially you, who frequently visit different locations or live in an Asian country where not follow any specific standard, often face this problem when using a computer/laptop, mobile, etc., charger.

Monday, July 13, 2026

How to Improve Voltage Regulation in Power System?

Voltage Regulation

Voltage Regulation Improvement in Transmission Lines

If we consider how the high voltage in the transmission lines should be regulated, then the answer is with a transformer.


But if we consider how the voltage is increased in an already operating transmission line, this can be done by couplers in the transformer or by decreasing the number of turns in the transformer, thereby raising or lowering the voltage.