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Technical Articles

Power Substation

Synchro Check Schemes: Key Techniques and Considerations for Power System Stability

In power systems, synchronization is a fundamental requirement for connecting two sources of electric power, such as a generator to a grid or between segments of the power network. Ensuring that these sources are aligned in frequency, phase sequence, and…...

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Nov 18, 2024 | By

Synchro Check Schemes: Key Techniques and Considerations for Power System Stability
Power Substation

Synchronization and Reactive Power Control in Power System

In the world of power systems, synchronization and reactive power control are crucial to maintaining stability, efficiency, and reliability. Synchronizing various power sources, such as generators and grids, ensures they operate in harmony to meet the demand and support the…...

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Nov 11, 2024 | By

Synchronization and Reactive Power Control in Power System
Maintenance

Bringing new life to an old Air-Insulated Substation (AIS)

An increasing number of substations globally are aging, while the construction of new ones is hindered by competitive limitations, rigorous environmental rules, and community acceptance issues. Simultaneously, the demand for electricity is consistently escalating, resulting in increased short circuit levels… Read more

Nov 07, 2024 | By

Bringing new life to an old Air-Insulated Substation (AIS)
Power Substation

What is a Load Tap Changer (LTC)?

We all experienced the ocasional flickering of the house lights during evenings. This usually indicates a load tap changer (LTC) adjustment, or a sign that the bulb is about to drop dead, but that’s not the subject of this article… Read more

Nov 04, 2024 | By

What is a Load Tap Changer (LTC)?
Energy and Power

Grid Application & Technical Considerations for Battery Energy Storage Systems

In the quest for a resilient and efficient power grid, Battery Energy Storage Systems (BESS) have emerged as a transformative solution. This technical article explores the diverse applications of BESS within the grid, highlighting the critical technical considerations that enable…...

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Oct 28, 2024 | By

Grid Application & Technical Considerations for Battery Energy Storage Systems
Premium Content

Electrical thumb rules for switching, isolating and earthing

It is essential that the electrical engineers, or operators who will be in charge of switching, isolating, and earthing operations of the switchgear have a good understanding of the rules that must be followed. In addition, it is of the…...

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Oct 21, 2024 | By

Electrical thumb rules for switching, isolating and earthing
Electric Motor

Star-delta starting used with large horsepower motors

Star-delta starting is frequently employed with high horsepower motors to mitigate inrush current during the start-up stage and to reduce starting torque. Star-delta starting involves initially connecting the motor stator windings in a star configuration during the motor startup phase,… Read more

Oct 16, 2024 | By

Wye-delta starting used with large horsepower motors
Premium Content

Automated, but hackable. Is power grid in your country safe from cyberattacks?

Yes, many of today’s power grids are very sophisticated and automated. Every single event and piece of equipment is tracked, controlled, measured, and protected. But things aren’t as bright as it seems. As we can see, it turns out that…...

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Oct 14, 2024 | By

Automated, but hackable. Is power grid in your country safe from cyberattacks?
Premium Content

Is storing excess energy in batteries worth integrating into the power system?

To be honest, the technology of energy storage in batteries is pretty hot nowadays. It’s smart for utilities worldwide to get in line to learn what it is and how countries can benefit from it. Battery Energy Storage Systems (BESS)…...

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Oct 07, 2024 | By

Is storing excess energy in batteries worth integrating into the power system?
Power Substation

Mastering Distance Protection and Calculations: Never Mess Up Protection Accuracy

The first part of this article series delved into the fundamentals of overcurrent protection, exploring the intricacies of relay coordination, the impact of source impedance, and the application of distance protection. These foundational concepts laid the groundwork for understanding how…...

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Sep 23, 2024 | By

Mastering Distance Protection and Calculations Part 2: Arc Resistance, Impedances and CTs/VTs
Maintenance

Managing power transformers in service: The most important economic aspects

Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading…...

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Sep 16, 2024 | By

The most economic aspects of managing transformers that are in service


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