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Technical Articles

Power Substation

How to prepare an enquiry for a power transformer: Design and tendering tips

Nothing is more crucial during the early phase of a transformer inquiry than a complete and explicit listing of all requirements that must be met from both the manufacturer’s and the user’s perspectives. The IEC standards include detailed requirements that…...

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Oct 10, 2022 | By

How to prepare an enquiry for a power transformer: Design and tendering tips
Energy and Power

Ten biggest mistakes and misconceptions in the design of low voltage distribution systems

To provide the end user with a safe, effective, and reliable solution, a designer must steer clear of numerous blunders and misconceptions when creating a low voltage distribution design. Although there are many misconceptions about electrical designs, the ones I’ll…...

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Oct 03, 2022 | By

Ten biggest mistakes and misconceptions in the design of low voltage distribution systems
Power Substation

Procedures and activities during the design and tendering phase of HV project engineering

Before getting into the project engineering phase, power system planning with the focus on basic design aspects of main power system components must be performed. Based on recommendations resulting from various studies, the project engineering phase, mainly covers the design,…...

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Sep 26, 2022 | By

Procedures and activities during the design and tendering phase of HV project engineering
Low Voltage

The art of a low voltage switchgear design: The case study and practical experience

LV panels are metal-enclosed switchgear that provides a three-phase power distribution to supply electric power at voltages up to 1000 volts, current up to 10000 amps, and a frequency of 50HZ or 60HZ. LV panels are always connected at the…...

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Sep 19, 2022 | By

The art of a low voltage switchgear design: The case study and practical experience
Power Substation

Instructions for generating specifications and selecting the main components of an HV substation

From the point of making specification, high voltage substation is pretty complex. There are dozen of substation equipment that must be specified and selected out of hundreds of manufacturers. This article will help a little bit with some fundamental instructions…...

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Sep 05, 2022 | By

Instructions for generating specifications and selecting the main components of an HV substation
Energy and Power

Inside the capacitor bank panel: Power factor correction, calculation and schematics

Various calculations must be performed during the electrical design stages of any project to deliver a safe electrical system for the end user. One of the essential things that must be taken into account after calculating the total and demand…...

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Aug 22, 2022 | By

Inside the capacitor bank: Power factor correction, circuits, calculation and schematics
High Voltage

Tricks in designing and analyzing schematics and diagrams of high voltage substations

High voltage power substations are complex networks of power and control connections, represented by design elements like- Single Line Diagrams, layout and block diagrams, schematics, logic diagrams, schedules, and so many more. Wiring diagrams and schematics, in a sense, are…...

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Aug 08, 2022 | By

Tricks in designing and analyzing schematics and diagrams of high voltage substations
Protection

Breaker failure protection applications of modern numerical distance relays

Modern numerical distance relays are equipped with a wide range of protection features, including overcurrent, overvoltage, undervoltage, underfrequency, overfrequency, breaker failure, synchronism check, power swing blocking and tripping, pilot protection schemes, digital relay-to-relay communications capability, logic programmability, and sophisticated math… Read more

Aug 01, 2022 | By

Functional integration and advanced applications of modern numerical distance relays
Premium Content

Inside Variable Frequency Drive (VFD) Panel: Configuration, Schematics and Troubleshooting

Proper analysis of the VFD’s power and control circuit diagrams is essential for successful troubleshooting. But before starting any analysis, you must know how your system connected through VFD works and how it breathes. You must also know all components…...

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Jul 25, 2022 | By

Inside Variable Frequency Drive (VFD) panel: Configuration, schematics and troubleshooting
Power Substation

Secrets and warnings in operation and maintenance of a Gas Insulated Substation (GIS)

After its inception in the mid-1960s, GIS technology has become a remarkable success over a wide range of high voltage applications up to 800 kV. Reliable operation and compact size have been its main advantages over its conventional air-insulated counterparts…....

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Jul 11, 2022 | By

Secrets and warnings in operation and maintenance of a Gas Insulated Substation (GIS)


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