https://www.linkedin.com/in/aamir-hussain-731980259

Aamir Industrial Electrical, Riyadh (2026)

31/08/2026

⚡ Understanding the Main Components of an Oil-Filled Power Transformer

A transformer is one of the most important components of an electrical power system. Understanding its internal and external components helps us better understand its operation, protection, cooling, and maintenance.

This illustration highlights some key transformer components:

🔹 Conservator – Accommodates the expansion and contraction of transformer oil.
🔹 Buchholz Relay – Provides protection by detecting internal faults and gas accumulation.
🔹 Breather – Helps prevent moisture from entering the transformer as air moves in and out of the conservator.
🔹 Bushings – Provide insulated connections for electrical conductors entering and leaving the transformer.
🔹 Primary & Secondary Windings – Transfer electrical energy through electromagnetic induction.
🔹 Core – Provides a magnetic path for efficient energy transfer between the windings.
🔹 Tap Changer – Helps regulate the output voltage by changing the transformer turns ratio.
🔹 Cooling Tubes – Help dissipate heat generated during transformer operation.
🔹 Oil Level Indicator – Monitors the transformer oil level.
🔹 Pressure Relief Valve – Protects the transformer by relieving excessive internal pressure.
🔹 Main Tank – Houses the core, windings, and insulating oil.

💡 Every component has an important role in ensuring the transformer operates safely, efficiently, and reliably.

Continuous learning and practical understanding are essential for building strong electrical engineering knowledge. ⚡

31/08/2026

🔍 Why Thermal Imaging (Thermography) is Essential in Electrical Maintenance⚡

Thermal Imaging is one of the best tools for predictive maintenance. It allows us to "see" hidden heat patterns in electrical panels before any breakdown happens.

📌 Why is it Important?

✅ Prevents Unexpected Downtime: Catches faulty components before breakers trip.

✅ Fire Safety: Loose connections cause heat—the #1 reason for electrical fires.

✅ Saves Money: Fixing small heating issues prevents expensive equipment replacements.

✅ Safety First: Allows non-contact testing while panels are fully operational under load.

🛠️ Simple Inspection Procedure:

1️⃣ Safety & PPE: Put on Arc Flash Face Shield, Gloves, and Safety Shoes. Ensure the panel is running under load.

2️⃣ Camera Setup: Adjust thermal camera settings (Emissivity & Focus).

3️⃣ Scanning & Temperature Check ($\Delta T$):

Under 10°C rise: Normal / Minor.
10°C to 30°C rise: Plan for maintenance soon.
Above 30°C rise: Critical danger! Act immediately.
4️⃣ Reporting: Save thermal images and schedule quick repairs.

⚠️ What Happens If You Ignore It?

❌ Electrical Fires from overheated busbars/connections.

❌ Sudden Power Outages causing loss of production.

❌ High Risk of Arc Flash endangering technical teams.

💡 Regular thermal scanning keeps our electrical systems safe, reliable, and efficient!

31/08/2026

🔐 "Hazardous Energy Control & Lockout/Tagout (LOTO) Procedure"

“Lock-Out Tag-Out Saves Lives.”

LOTO is a critical safety procedure used to protect employees from unexpected energization, startup, or release of hazardous energy while equipment is being maintained or serviced.

The basic 15-step LOTO process is:

1️⃣ Prepare for Shutdown
Plan the work, identify hazards, required PPE, and the equipment involved.

2️⃣ Notify Affected Employees
Inform all affected employees that the equipment will be shut down and locked out.

3️⃣ Identify Energy Sources
Review the equipment-specific LOTO procedure and identify all hazardous energy sources.

4️⃣ Shut Down the Equipment
Stop the machine or equipment using the normal shutdown procedure.

5️⃣ Isolate All Energy Sources
Disconnect or isolate every energy source using the appropriate isolation devices.

6️⃣ Release Stored Energy
Release, block, restrain, or otherwise control any stored or residual energy.

7️⃣ Verify Isolation
Confirm that all energy has been effectively isolated. Try the normal start-up controls where applicable and verify zero energy.

8️⃣ Inspect the Area and Equipment
Make sure the equipment is safe to work on and that tools or unnecessary materials are removed.

9️⃣ Remove Tools and Maintenance Materials
Clear the work area and ensure all tools and maintenance materials are safely removed.

🔟 Ensure Guards Are in Place
Make sure all machine guards and protective devices are properly installed before restoration.

1️⃣1️⃣ Inform Others Before Start-Up
Confirm that all personnel are clear of the equipment and inform affected employees that the equipment is ready for restoration.

1️⃣2️⃣ Restore System Connections
Reconnect and prepare the system for the controlled restoration of energy.

1️⃣3️⃣ Remove Locks and Tags
Locks and tags should be removed according to the LOTO procedure, normally by the person who applied them.

1️⃣4️⃣ Restore Equipment to Normal Condition
Restore the hazardous energy disconnecting devices and equipment according to the approved procedure.

1️⃣5️⃣ Conduct Normal Start-Up
Start the equipment using the normal operating procedure and confirm that it is functioning safely.

🦺 LOTO is more than just putting a lock and tag on an isolator. It is a complete process of identifying, isolating, controlling, verifying, and safely restoring hazardous energy.

Proper LOTO → Proper Isolation → Zero Energy Verification → Safe Maintenance

Safety is not just a procedure—it is a responsibility we all share.

30/08/2026

🔐 "LOTO (Lockout/Tagout) Training Board – Practical Safety Learning"

Safety is not only about having procedures — it is about "understanding and applying them correctly".

This "LOTO Training Board" provides practical learning about the safe isolation of electrical and mechanical energy before maintenance or servicing activities.

The board demonstrates important LOTO practices, including:

🔹 Personal Lock
🔹 Shop Lock
🔹 Contractor Lock
🔹 Lockout/Tagout (LOTO)
🔹 Hasps
🔹 LOTO Register
🔹 MCCB & Isolator Lockout
🔹 Multiple-person lockout applications

The main purpose of LOTO is to "prevent the unexpected release of hazardous energy" and protect employees from serious injuries during maintenance work.

Hands-on training like this helps us understand that "every energy source must be properly isolated, locked, tagged, and verified before work begins."

"Safety starts with awareness, but it becomes effective through proper practice." 🦺🔒

29/08/2026

⚡ "LV Electrical Room – Panel Arrangement & Working Clearances"

A properly designed LV room should provide sufficient space around electrical panels for "safe operation, inspection, maintenance, and emergency access".

This guide highlights the important clearances for MDB and other LV panels, including "front working space, rear access, panel-to-panel spacing, access/exit, lighting, and overall room arrangement".

The working area in front of electrical equipment should remain "clear and unobstructed at all times", with sufficient space for safe operation and maintenance. OSHA also requires the equipment doors or hinged panels to be capable of opening at least 90°.

"Proper Planning • Safe Access • Reliable Operation" ⚡

29/08/2026

Introduction to Electrical Panels & Their Functions

Electrical panels are an essential part of any electrical power system. They are designed for "power distribution, protection, control, monitoring, and reliable operation" of electrical equipment.

Below is a brief introduction to some commonly used electrical panels:

1. RMU — Ring Main Unit

Use: RMU is mainly used in medium-voltage distribution systems. It receives and distributes electrical power and provides safe isolation and protection of the electrical network.

2. MDB — Main Distribution Board

Use: MDB is the main low-voltage distribution panel. It receives power from the transformer or main source and distributes it to different sub-distribution panels and major loads.

3. Bus Coupler Panel

Use: A Bus Coupler connects two busbar sections through a circuit breaker, normally an ACB. It provides flexibility and continuity of power supply and allows one bus section to support the other when required.

4. APFC — Automatic Power Factor Correction Panel

Use: An APFC panel automatically improves the power factor by switching capacitor banks according to the load requirement. It helps reduce reactive power, improve system efficiency, and minimize power-factor penalties.

5. Synchronization Panel

Use: A Synchronization Panel is used to synchronize two or more power sources, such as generators and the utility supply, by matching voltage, frequency, phase sequence, and phase angle before connecting them together.

6. SMSB — Sub Main Switch Board

Use: SMSB receives power from the MDB and distributes it to different areas, buildings, floors, or major electrical loads through multiple outgoing MCCB feeders. It provides protection and controlled sub-level power distribution.

7. PCC — Power Control Center

Use: PCC is used for centralized power distribution, control, protection, and monitoring of electrical systems. It is commonly used for large electrical loads and industrial facilities.

8. MCC — Motor Control Center

Use: MCC is specifically designed for controlling and protecting motors. It contains motor feeders and control/protection devices such as MCCBs, contactors, overload relays, and other control components.

9. ATS — Automatic Transfer Switch Panel

Use: ATS automatically transfers the electrical load from the normal power source to an alternative source, such as a standby generator, when the main supply fails. It then transfers the load back when the normal supply is restored.

10. DBS — Distribution Board

Use: DBS is used for final distribution of electrical power to lighting, sockets, small power, and other final circuits. It normally contains outgoing MCBs/MCCBs and provides protection and isolation for individual circuits.

Why These Panels Are Important

Each panel has a specific role within the electrical distribution system. Together, they help ensure:

• Safe power distribution
• Electrical protection
• Reliable operation
• Efficient power management
• Easy control and monitoring
• Continuity of power supply

Understanding the purpose and operation of each panel is essential for every electrical professional, especially for engineers, supervisors, technicians, and beginners entering the field.

Safety First • Quality Always • Reliable Power

27/08/2026

"🔥 FA System Simulation Board – Hands-On Learning"

Today I had the opportunity to work with an "FA (Fire Alarm) System Simulation Board" and understand the practical operation of different fire alarm components.

The board demonstrates various fire alarm activation methods, including "Manual Call Point, Emergency Stop, Heat Detector, Smoke Detector, Direct FA Activation", and output devices such as "Fire Alarm Sounder and Warning Strobe".

Practical learning like this helps strengthen our understanding of "Fire & Life Safety systems" and their role in maintaining a safe workplace.

"Learning today, improving for tomorrow. ⚡🦺

25/08/2026

⚡ "Powering Industry Through Reliable Electrical Infrastructure"

Sharing a glimpse of my work and technical understanding in "Electrical Power Distribution and Industrial SLD (Single Line Diagram)".

This SLD represents an "11kV to 0.4kV power distribution system", including transformer, protection, CT/PT, MCCBs, ATS and SMDBs—key components for ensuring safe, reliable and efficient power distribution in an industrial facility.

I’m always keen to learn, improve my technical knowledge, and contribute to the development of "safe and reliable electrical systems".

🔹 Electrical Power Distribution
🔹 11kV / 0.4kV Systems
🔹 Protection & Switchgear
🔹 Industrial Electrical Engineering
🔹 SLD & Power System Design

"Continuous learning. Continuous improvement. Reliable power."

21/07/2026

⚡ Electrical Supervisor | Amazon FC RUH-8

Reliable electrical solutions for industrial and commercial facilities.

Specialized in:

ATS & UPS Installation

Electrical Panels Installation

Power Capacity Upgrades

Star Delta, Soft Starter & VFD Installation

Committed to safety, efficiency, and quality workmanship.

08/04/2026

I’m truly honored to be recognized as a **Best Performer – March 2026** in the RME team.

Working in a fast-paced fulfillment center environment has been a great learning experience. This recognition reflects my commitment to maintaining high standards in technical operations, safety, and continuous improvement.

I’m grateful to my managers and teammates for their support and guidance. Being part of such a collaborative and hardworking team motivates me to keep growing and delivering my best.

Looking forward to achieving more milestones ahead.

Aamir Industrial Electrical

31/08/2026

31/08/2026

31/08/2026

30/08/2026

29/08/2026

29/08/2026

27/08/2026

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21/07/2026

08/04/2026

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