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Author: Muhammad Kashif (Technical Articles)

Muhammad Kashif

55 awesome technical articles

Muhammad Kashif - Author at EEP-Electrical Engineering Portal

Muhammad Kashif Shamshad is an Electrical Engineer and has more than 17 years of experience in operation & maintenance, erection, testing project management, consultancy, supervision, and commissioning of Power Plant, GIS, and AIS high voltage substations ranging up to 500 kV HVAC & ±660kV HVDC more than ten years experience is with Siemens Saudi Arabia.

Biography: https://electrical-engineering-portal.com/muhammad-kashif

Maintenance

Field secrets and warnings in power transformer mechanical check and visual inspection

Let’s discuss the visual and mechanical inspection procedures for oil-filled power transformers. It’s important, very important to examine a variety of key checkpoints, both external and internal to transformers, all based on the IEC 60076 standard. Each item on the…...

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Sep 11, 2023 | By

Field secrets and warnings in power transformer mechanical check and visual inspection
Premium Content

A comprehensive guide to correct calculation for transformer differential relay settings

In this technical article, we will delve into the comprehensive methodology of calculating the differential relay settings for the GE P642 relay. Each step of the process will be explored, from data collection to final setting determination. By following these…...

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Aug 28, 2023 | By

A comprehensive guide to correct calculation for transformer differential relay settings
Power Substation

Never underestimate how important it is to choose the right CT size in fault detection and protection

In the realm of electrical power systems, current transformers (CTs) play a vital role in accurately measuring and monitoring current levels. Proper sizing of CTs is essential to ensure their adequacy and enable reliable operation within specified limits. This article…...

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Aug 14, 2023 | By

Never underestimate how important it is to choose the right CT size in fault detection and protection
Maintenance

Hints and warnings for proper installing, earthing and testing of current transformers

Welcome to the third and final part of our comprehensive series on current transformers (CTs) and their secondary circuits. In Parts 1 and 2, we covered various aspects of CT operation, secondary injection testing, burden calculations, CT circuit connections, safety…...

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Jul 31, 2023 | By

Hints and warnings for proper installing, earthing and testing of current transformers
Maintenance

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)

Gas-insulated substations (GIS) are critical components of modern electrical power systems, providing efficient and compact solutions for the transmission and distribution of electricity. These substations utilize sulfur hexafluoride (SF6) gas as an insulating and arc-quenching medium, offering several advantages over…...

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Jul 17, 2023 | By

A detailed checklist for the installation and commissioning of Gas-Insulated Substations (GIS)
Power Substation

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2)

Welcome to the second part of our three-part series on current transformers (CTs) and their secondary circuits. In Part 1, we explored the fundamental principles of CT operation, the importance of secondary injection testing, the concept of “burden,” considerations for…...

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Jul 03, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 2) - Ensuring Reliable Operation & Testing of CTs
Power Substation

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1)

Welcome to the first part of our three-part series on current transformers (CTs) and their secondary circuits. In this series, we will delve into the intricacies of CT operation, explore the importance of secondary injection testing, examine the concept of…...

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Jun 19, 2023 | By

Comprehensive Guide to Secondary Injection Testing of the Current Transformers (Part 1) - CTs and their Secondary Circuits
Power Substation

The good and bad practices in the commissioning of current transformers in a substation

In the previous technical article (check here), we delved into primary injection testing and the commissioning of current transformers. We explored the primary and secondary sides of current transformers, learned key concepts and terminology used by protection engineers, and examined…...

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Jun 05, 2023 | By

The good and bad practices in the commissioning of current transformers in a substation
Power Substation

Primary injection testing and CTs commissioning in power substations (for true engineers)

Primary injection testing is a vital procedure in the commissioning and maintenance of current transformers (CTs). These transformers are integral components of electrical systems, enabling precise measurement and effective protection of electrical currents. In this article, we will explore the…...

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May 29, 2023 | By

Primary injection testing and CTs commissioning in power substations (for true engineers)
Power Substation

Dos and don’ts in creating operation logic diagrams for LV and MV switchgear feeders

Dealing with the switchgear operation logic diagrams is like setting the brain functions. It needs vigilance and patience from design engineer supported with hours and hours of testing and operation simulations. This technical article brings some light to the essence…...

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May 15, 2023 | By

Dos and don'ts in creating operation logic diagrams for LV and MV switchgear feeders


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