How to Get an Ideal PCB through Double-Sided PCB Assembly
How to Get an Ideal PCB through Double-Sided PCB Assembly Electronics manufacturers must cope with the aggressive demand for reliable […]
Embedded PCB Prototyping: Strategies for Efficient Development
An embedded PCB has both the active and the passive components in its layers, making it compact compared to other
Choosing the Right PCB Material: Factors to Consider for Your Design
There are different types of PCB material used in different electronic applications, such as FR4, polyimide, aluminium, PTFE, etc. Selecting
Electrical Machine
How to Identifying Motor without Nameplate or Label
Identifying Motors Electric motors with no identification (no name plate or lead tags) must often be maintained and repaired. Follow
Transformer
Parts of Power Transformer in Detail Understand
Core and magnetic circuit The core of transformer is made up of thin laminations (0.27/0.23 mm) of special electrical grade.
Electrical Machine
Types of synchronous motor starters
Types of synchronous motor starters Manual push button synchronising starter Timed semi-automatic synchronising Automatic starter using polarised field frequency relay
Electrical Substation
How Protection device work in Power system
The protection device usually consists of several elements that are arranged to test the system condition, make decisions regarding the
Case Studies
Abnormal Tan Delta value of New 160MVA Transformer
Case Study Abnormal Tan Delta Value of new 160MVA Auto Transformer during Pre-commissioning check. After release from the factory and
Transmission Line
Distance Relay Coordination with case study
Distance Relay Coordination with case study The coordination of distance relays is relatively simple, but there are certain principles that
Electrical Machine
Motor running cost calculation
Motor running cost calculation In many applications it is worthwhile replacing motors even when considerable working life remains. Motors can
Transmission Line
What is Optical Voltage Transducer
In the foregoing, it has also been pointed out that CCVTs have difficulty retaining accuracy during transient conditions. In particular,
Basic Electrical
Types of Fuse
Fuses are designed for many different applications and with a wide variety of characteristics to meet the requirements both routine
Electrical Substation
Optical Current Transducers: Working, Types and Advantage
What is Optical Current Transducers? The principle of optical current transducers devices is based on a measurement of the magnetic
Transmission Line
Phase Overcurrent setting of Transmission line
Assume that the digital relay protecting the transmission line has phase overcurrent elements in addition to the distance elements. Let
Electrical Substation
Distance relay Zone of Protection
Zone Element Time Delays in Distance relay The zone 1 elements are usually set with no intentional time delay so
Electrical Substation
Switch onto Fault (SOTF) Logic
Switch onto Fault (SOTF) Logic Terms used in SOTF logic: 52A– follows a normally open auxiliary switch of the breaker.
Electrical Machine
What is Motor Growler test
What is Motor Growler test? A simple and most common method to test armature winding for short and open coils
Electrical Machine
Effects of Frequency on the Generator
First, consider the effects of sustained operation of a generator that is in an emergency island, created as a result
Electrical Substation
Optical communication in Electrical Power System
Optical communication is difficult technologies in power system protection is that of communications. In many types of protection, control, and
Electrical Substation
Relay control configuration
Consider the relay connections in Figure-1, which might be considered the maximum practical redundancy in relay connections. Note that there
Circuit Breaker
Circuit breaker Control Circuit in Electrical Substation
Consider the control circuit of circuit breaker shown in Figure 1, which is a complete tripping and closing circuit for
Interview
Why electrician is good carrier in USA
Introduction Today, electrician enjoy excellent job prospects due to an acute shortage of skilled workers who take care of installing
Electrical Machine
Types of Motor maintenance and common fault in motor
Introduction The key to minimizing motor problems is scheduled routine inspection and maintenance. The frequency of routine motor maintenance varies
Electrical Appliance
Home electrical wiring cost in USA
When it comes to home electrical wiring, understanding the costs involved is crucial for homeowners and builders alike. The cost
Electrical Appliance
Hair Dryer: Function, working , Construction and Troubleshooting
Function of Hair Dryer We are all very familiar with the daily routine; we wash our hair and then automatically
Interview
Role of Electrical Engineer in Construction
Role of Electrical Engineer in Construction Construction Site Management Develops an in-depth knowledge of the contractual requirements for the project.
Interview
Role of Electrical engineer in Tesla Company
Role of Electrical engineer in Tesla Company Electrical engineers play a crucial role at Tesla, contributing to the design, development, and
Interview
Interview Question on Transmission and Distribution
Why high voltage is preferred for power transmission? As voltage increases, current flow through the line decreases and I2R loss
Electrical Machine
How motor starters operate
Principle of Motor Starters The principle of operation of a magnetic starters can be better understood by studying the diagram
Case Studies
Frequent Tripping of feeder on earth fault after faulty CT replacement
Observation At 132/33 kV Substation, R-ph CT was failed due to any some reason. The ratio of the CT was