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Author Archive for: Salem Alshahrani

Salem Alshahrani

13 awesome technical articles

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Electrical engineer (BEE & Meng). Specialized in substation design, especially in LV/MV switchgears and transformers. Passionate in power system planning, analysis, and stability studies.

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Power Substation ♛

The art of the switchyard design: Case study of a 220/33 kV 200 MW wind farm

This technical article continues with the switchyard design series by studying the case of the 220/33 kV 200 MW wind farm switchyard in which the design steps are put into…...

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Oct 18, 2021 | By Salem Alshahrani

The art of the switchyard design: Case study of a 220/33 kV 200 MW wind farm
Power Substation ♛

The art of the switchyard design: Handpicked details you must consider without fail

This article deals with switchyard design and it’s divided into two parts in which switchyard design considerations are discussed in the first part and the other part presents a case…...

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Sep 20, 2021 | By Salem Alshahrani

The art of the switchyard design: Handpicked details you should consider without fail
High Voltage ♛

MV/HV switchgear (circuit breaker) switching capability and suitability for specific applications

Circuit breakers (CBs) do interrupt fault currents and close onto faults. Besides, they could be used as isolation devices like disconnectors. The CBs manufacturers’ brochures and standards provide extensive data…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Jul 26, 2021 | By Salem Alshahrani

MV/HV switchgear (circuit breaker) switching capability and suitability for specific applications
Electric Motor ♛

Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications

This article addresses the Variable Frequency Drive (VFD) concept in several aspects that matter the most in selecting the proper VFD for applications. One of the important factors is the…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Jun 28, 2021 | By Salem Alshahrani

Guidelines for selecting the proper Variable Frequency Drive (VFD) for motor applications
Premium Content ♛

My worst experience in testing and commissioning power transformers (and how I fixed things up)

Reliable and secure electric power delivery is dependent on power transformers’ reliability that is enhanced significantly by sound test plans. These test plans shall be prepared by both manufacturers and…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Apr 29, 2021 | By Salem Alshahrani

My worst experience in testing and commissioning power transformers (and how I fixed things up)
Power Substation ♛

Learn to successfully analyze single-line, schematic, P&ID, logic, and wiring diagrams

Engineering tasks require a good skill in reading and interpreting information on drawings. Engineering drawings are the industry cornerstone of conveying detailed and precise information on how to construct, troubleshoot,…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Apr 05, 2021 | By Salem Alshahrani

Practical advice in successful reading single-line, schematic, P&ID, logic, and wiring diagrams
Power Substation ♛

The mystery of nuisance tripping incidents in transformer protection that worry engineers

This technical article deals with transformer failure incidents due to nuisance tripping caused by various design flaws, operational conditions, or improper protection relay settings. The focus is on differential protection…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Feb 22, 2021 | By Salem Alshahrani

The mystery of nuisance tripping incidents in transformer protection that worry engineers
Power Substation ♛

Learn how to read and analyze control circuits of MV gas insulated switchgear (GIS)

Previously, an introductory part of the GIS and its components were discussed to pave the way for the GIS control circuits. Moreover, the single-line diagram example for a double-bus and…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Jan 25, 2021 | By Salem Alshahrani

Learn how to read and analyze control circuits of MV gas insulated switchgear (GIS)
Power Substation ♛

Mastering GIS control circuits: AC/DC auxiliary circuits and circuit breaker closing circuit

A gas-insulated substation (GIS) is usually utilized in high voltage applications in which all conductive parts are encapsulated in sealed cylinders with SF6 as the insulating medium. The air-insulated substation…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Jan 11, 2021 | By Salem Alshahrani

Mastering GIS control circuits – AC/DC auxiliary circuits and circuit breaker closing circuit
Medium Voltage ♛

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits

In the last article, an introductory part of the switchgear control circuits, including DC/AC circuit and breaker closing circuit, was discussed thoroughly. This article continues the discussion with a breaker…...

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This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Dec 14, 2020 | By Salem Alshahrani

Mastering switchgear control circuits: trip, BCPU and alarm, indication, and interlock circuits
Medium Voltage ♛

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit

Control circuits are vital to the operation of medium voltage switchgear. The integrity of these control circuits is essential to the switchgear’s proper operation, so commissioning and maintenance activities records…...

Premium Membership Required

This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Nov 30, 2020 | By Salem Alshahrani

Mastering switchgear control circuits – AC/DC circuits and circuit breaker closing circuit
Electric Motor ♛

Mastering Motor Control Center (MCC): Wiring diagrams and equipment from zero to hero

Motor control center (MCC) was introduced back in 1937 to place different motor starters in one cabinet to save space. It is a modular cabinet that supplies and controls motors,…...

Premium Membership Required

This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
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Nov 02, 2020 | By Salem Alshahrani

Mastering Motor Control Center (MCC): Wiring diagrams and equipment from zero to hero
Medium Voltage ♛

Learn how to analyze MV switchgear wiring diagrams and single line diagram

The capability of reading different types of drawings is an essential skill to perform almost all of the engineering tasks. The engineering drawings form the building blocks of industry method…...

Premium Membership Required

This technical article/guide requires a Premium Membership. You can choose an annually based Plus, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers. With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
Check out each plan’s benefits and choose the membership plan that works best for you or your organization.
Save 15% - Get 15% discount on Pro Plan, apply discount code: UX778
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Oct 05, 2020 | By Salem Alshahrani

Learn how to analyze MV switchgear wiring diagrams and single line diagram


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