8 Examples Of Transformer Differential Protection Using SIPROTEC Numerical Relays

The following examples show the application of SIPROTEC numerical relays for transformer protection. The individual functions are designated, using ANSI codes (Standard C37.2 – Electrical Power System Device Function Numbers)…....

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Jan 05, 2018 | Premium Content ♛

Solve These Ten DC Circuits and Train Your Brain!

I guess you’re still recovering from an awesome lunches and dinners you’ve had during holidays. Well, now when it’s over – it’s a good moment to plug yourself back and… Read more

Jan 04, 2018 | Electrical Lectures

Protection Of Industrial Power Supply Systems (Fuses, MCCBs and Overcurrent Relays Settings)

As industrial operations processes and plants have become more complex and extensive, the requirement for improved reliability of electrical power supplies has also increased. The potential costs of outage time… Read more

Jan 02, 2018 | Electric Motor

It’s About Time. Engineers, Happy New Year!

Well, it’s about time. With 2018 just around the corner, it’s time to stop and look back at yet another good year at EEP. Beside publishing about 300+ technical articles… Read more

Dec 30, 2017 | Energy and Power

3 Bad Conditions That Cause False Differential Current In Power Transformer

When applying differential protection of power transformer, three bad conditions must be considered which can lead to unbalance to the currents applied to the relay (compared with the expected currents… Read more

Dec 27, 2017 | Power Substation

10 Common Questions You Can Expect In Electrical Engineering Examination Test

This examination will focus on testing the fundamentals of electrical engineering from low voltage to high voltage. Of course, you can use huge EEP’s resources for help in calculations and… Read more

Dec 26, 2017 | Electric Motor

This Is Why HVDC Transmission System Beats HVAC In These Essential Applications

For the most part, electric power is transmitted worldwide by means of ac. However, there are certain applications where dc transmission offers distinct economic and/or performance advantages. These applications include… Read more

Dec 21, 2017 | High Voltage

Important Factors In Design Of Distribution Substations

Distribution substation design must be a combination of reliability and quality of the power supply, safety, economics, maintainability, simplicity of operation, and functionality. Safety of life and preservation of property… Read more

Dec 20, 2017 | Power Substation

What does a good grounding of the power substation and switching station really mean?

Provision of adequate grounding in a substation and switching stations are very important for the safety of operating personnel as well a electrical devices do not rise above tolerable thresholds… Read more

Dec 18, 2017 | Power Substation

Analyzing Power System And Equipment Performance Through Oscillographic Records

Most technically oriented people recognize the familiar 60Hz voltage and current traces that constitute the parameters of an operating power system. There are, however, transient components superimposed on the 60Hz…...

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Dec 15, 2017 | Premium Content ♛