Electrical Axis

Basic Guide for Power System Protection

Editorial StaffThursday, December 17, 2020

A power system is not only capable to meet the present load but also has the flexibility to meet future demands. A power system is designe...

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Electrical Machines Transformer

What are the Basic Characteristics of an Ideal Transformer?

Editorial StaffSaturday, December 05, 2020

Substation Transformer A transformer is an electrical piece of equipment that transforms the AC electrical power from one circuit to anoth...

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BS7671 Electrical Design Electrical Installation Voltage Drop Calculation

Voltage Drop in Consumer Installations According to BS 7671

Editorial StaffSunday, November 29, 2020

Voltage drop in a consumer’s installation can be a contentious issue. However, it is an important aspect of installation design since if i...

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circuit breaker circuit breaker curve cooper bussman electric protection Electrical Design

How to Interpret the Different Region of Circuit Breaker Curves

Editorial StaffSaturday, November 28, 2020

Circuit Breaker by: EATON Circuit breaker time-current characteristic curves are read similar to fuse curves. The horizontal axis represe...

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AREVA MiCom protective relaying schneider electric

How to Convert IEC 60044-1 Standard Protection Classification to IEEE Standard Voltage Rating?

Editorial StaffSaturday, November 28, 2020

MiCom P63x Protection Relay There are a series of protection relays such as MiCom protection relays that are compatible with ANSI/IEEE CTs...

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current transformer electrical protection protective relaying

Types and Classes of Current Transformers According to IEC 60441

Editorial StaffFriday, November 27, 2020

Substation Current Transformer Current transformers (CTs) are critical components in many electrical systems. They are used to step down hig...

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Electrical Machines motor control

Star Delta Motor Starting Explained

Editorial StaffThursday, November 26, 2020

Star Delta Power Circuit Star Delta starting is when the motor is connected (normally externally from the motor) in STAR during the starti...

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Electrical Design Electrical Installation

What are the General Guidelines in Electrical Design?

Editorial StaffThursday, November 26, 2020

Electrical Design To get the best results, an electrical engineer needs to be aware of specific guidelines so that they can identify the req...

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electric protection Electrical Design short circuit analysis

Why is Voltage Rating Important in Selecting Circuit Protection Devices?

Editorial StaffWednesday, November 25, 2020

This is an extremely important rating for overcurrent protective devices (OCPDs). The proper application of an overcurrent protective devi...

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electric protection Electrical Machines electrical motor voltage unbalance

Electric Motor Protection in Case of Voltage Unbalance and Single Phasing

Editorial StaffWednesday, November 25, 2020

Voltage Unbalance When the voltage between all three phases is not equal, the current values in each phase will also become unbalanced. Ac...

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Electrical Axis

Basic Guide for Power System Protection

What are the Basic Characteristics of an Ideal Transformer?

Voltage Drop in Consumer Installations According to BS 7671

How to Interpret the Different Region of Circuit Breaker Curves

How to Convert IEC 60044-1 Standard Protection Classification to IEEE Standard Voltage Rating?

Types and Classes of Current Transformers According to IEC 60441

Star Delta Motor Starting Explained

What are the General Guidelines in Electrical Design?

Why is Voltage Rating Important in Selecting Circuit Protection Devices?

Electric Motor Protection in Case of Voltage Unbalance and Single Phasing

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