THORNE & DERRICK LV-HV Cable Accessories, Jointing, Tooling, Substation & Electrical Safety Eqpt’s Post

Here are the general steps for 11kV HT (High-Teperature) cable jointing: 1. Preparation: - Ensure proper safety gear and training - Gather necessary tools and materials (e.g., jointing kits, heat shrink tubes, etc.) - Verify cable specifications and jointing instructions 2. Cable Preparation: - Clean and strip the cable ends - Remove any insulation or sheathing - Trim the conductors to the correct length 3. Jointing: - Apply jointing compound or tape to the conductors - Assemble the jointing kit (e.g., sleeves, adapters, etc.) - Connect the conductors, ensuring proper torque and alignment 4. Insulation and Sheathing: - Apply heat shrink tubes or insulation to the joint - Ensure proper coverage and sealing 5. Testing and Verification: - Perform electrical tests (e.g., megger, hipot, etc.) - Verify joint integrity and cable performance 6. Documentation and Record-Keeping: - Document the jointing process and test results - Maintain records for future reference and maintenance This week at work place was really exciting as the jointing of 11KV for my plant today was a huge success after #HIPOT test was carried out to confirm the integrity of all the three joint and the cable as well, the cable was confirmed okay.

EDSE - for ‘Boat Sampling’ Electric Discharge Sampling Equipment (EDSE) was developed in Japan by KMTL and further modified by ETD, building various types of mounting frames for cutting samples from difficult-to-reach places in metallic structures. EDSE has been used to aid in the condition/life and crack assessment of industrial components (pressure vessels, turbine rotors, valves, piping etc.) and other metallic structures (such as oil and gas platforms, theme parks etc.). Unlike the traditional mechanical ‘boat sampler’, with EDSE, the surface damage, if any, is of the level of only a few microns. With EDSE sampling the resulting cavity leaves rounded edges with ~4 mm radius and no stress concentrations. The process of cutting uses a consumable electrode that removes material via electric spark erosion, with clean water to remove debris and provide a cooling medium. Please click on link here to see a video of the EDSE at work ♨️ ! https://lnkd.in/e5MneeC9   EDSE is available for purchase or as a part of ETD’s inspection services. For further details or to request a demonstration please write to: enquires@etd-consulting.com

Sometime back my team undergone a major maintenance project where several hundred meters of UHV (Ultra High Voltage) and EHV (Extra High Voltage) Transmission Lines were replaced due to insulation breakdowns which led to voltage fluctuations, power outages, and other safety, environmental, and economical risks and hazards. For this case the possible cause of the insulation breakdown is a combination of; 1. Electrical Overstress 2. Thermal Aging 3. Moisture Ingress Other cases can be caused by; 1. Mechanical damage 2. Manufacturing defect 3.Chemical degradation 4. Environmental factors For those who have faced a similar experience, please share your possible cause of insulation breakdown and effects on your system. Below is a section of a defected 600mm^2 UHV transmission line being pulled out of a cable trench.

PPM’s electrical services near you include: Electrical Troubleshooting Conduit Repair Infrared Testing GFI Testing Emergency Power Setup Temporary Power (Portable Light Towers) Bulb and Ballast Replacement Outlet Repairs and Replacement Installation of Dedicated Circuits Electrical Panel and Switchgear Replacement

🔧 Mastering the Installation of Anchor Clamps for AB Cables Click here 👇 https://lnkd.in/eNin4c7A When it comes to setting up reliable overhead systems, getting the installation right is key. One critical step is properly installing anchor clamps for AB cables. These small yet powerful components ensure that your cable system remains secure, even in challenging conditions. In our latest video, we demonstrate the step-by-step process of installing anchor clamps for AB cables, covering everything from preparation to final adjustments. 💡 This guide is perfect for engineers and technicians looking to enhance system stability while maintaining efficiency in overhead distribution systems. At UG Cable, we understand that the success of an overhead cable project lies in the details. That's why we not only offer high-performance ABC cables but also provide a complete range of attachments and accessories like anchor clamps, tailored to meet the demands of diverse environments. 💬 How do you ensure stability and durability in your overhead cable installations? Share your insights or challenges in the comments below—we’d love to hear from you! #ABCCables #AnchorClamps #CableSolutions #OverheadSystems #ElectricalEngineering #UGCable #ReliablePerformance #PowerDistribution

Electrical cords should not be coiled together because it can make it difficult for the cord to dissipate heat and can cause overheating. Coiled cables can also become extremely hot in the core of the cable, especially in cable reels or cable boxes. Thermal imaging needs to be a part of Electrical safety system and should be included in the Contractors method statement. Periodic Thermal imaging surveys to be conducted for all electrical systems in order to identify any hazard related to overheating of Electrical cables and systems and to prevent a potential Fire incident in the work place.

During secondary injection testing of a current transformer (CT), one of the tests conducted is to verify the single point earthing. The purpose of grounding the CT secondary is to address safety concerns and protect both the CT and personnel working with it. When the CT is energized, the secondary winding accumulates static charge, causing the static voltage to increase. The CT secondary wiring acts as a capacitor, which means that if the voltage rises too high, there is a risk of arc discharge occurring. This discharge can be hazardous, potentially causing electric shocks to technicians or damaging equipment. Additionally, the high voltages induced in the CT secondary can create stress on the winding insulation, potentially leading to insulation failure or other issues. To mitigate these risks, grounding the CT secondary windings is essential. https://lnkd.in/dBxdmMkf

I never realized how small mistakes could lead to such big issues until I saw the aftermath of improperly jointed and terminated cables—the impact was undeniable. It's not just about getting wires connected; it's about the reliability, safety, and efficiency of entire electrical installations. Here are crucial techniques and best practices you can't afford to overlook: - Pay attention to jointing methods: Western Union Splice and Rattail Joints are classics, while mechanical connectors like Wire Nuts and Split Bolts bring ease and reliability to the table. - Explore advanced jointing techniques: Heat shrinkable, cold-application, and pre-moulded methods offer robust solutions for complex environments. - Prioritize proper cable termination: Crimp, compression, and solder methods are your go-tos for ensuring strong and secure connections. - Don't underestimate preparation: Clean cable ends and appropriate connectors can make all the difference in preventing electrical faults and safety hazards. Want to witness a robust electric system that stands the test of time? Follow these practices and transform how you approach cable jointing and termination. Ready to upgrade your methods and ensure unparalleled safety and efficiency? Share your thoughts and experiences with cable jointing and termination below.

What is Megger..?? The Megger is a device used to test insulation resistance in cables and electrical equipment. It is an essential tool in electrical maintenance, helping to ensure the quality of insulation and the safety of equipment, thereby reducing the risk of electrical failures. Functions of a Megger 1.Insulation Resistance Measurement: Measures the resistance of insulation between conductors or between a conductor and the ground. 2.Leakage Detection: Identifies electrical leakage that may damage equipment or pose a shock hazard. 3. High Voltage Testing: Tests the insulation's ability to withstand high voltages. Importance of the Megger • Ensures the safety of equipment before operation. • Detects insulation deterioration caused by moisture, heat, or aging .• Helps prevent serious electrical faults like short circuits or fire. How to Use a Megger... 1. Connect the Device: Attach the Megger probes to the cable or equipment to be tested. 2. Select the Appropriate Voltage: Set the device to the required voltage for the test. 3. Start the Test: The Megger generates high voltage and measures insulation resistance. 4. Read the Results: Results are displayed on the device screen, usually in ohms or mega-ohms. Precautions When Using a Megger • Always disconnect the equipment from the power source before testing. • Wear personal protective equipment to avoid electrical shocks. • Select the test voltage carefully to prevent damage to the equipment. The Megger is a crucial tool for anyone working in the electrical field, ensuring the safety and reliability of electrical systems by identifying insulation weaknesses. #electricalpanel #electricaldrawing #electricalengineering #Panel

What is Megger ? The Megger is a device used to test insulation resistance in cables and electrical equipment. It is an essential tool in electrical maintenance, helping to ensure the quality of insulation and the safety of equipment, thereby reducing the risk of electrical failures. Functions of a Megger 1.Insulation Resistance Measurement: Measures the resistance of insulation between conductors or between a conductor and the ground. 2.Leakage Detection: Identifies electrical leakage that may damage equipment or pose a shock hazard. 3. High Voltage Testing: Tests the insulation’s ability to withstand high voltages. Importance of the Megger • Ensures the safety of equipment before operation. • Detects insulation deterioration caused by moisture, heat, or aging. • Helps prevent serious electrical faults like short circuits or fires. How to Use a Megger 1. Connect the Device: Attach the Megger probes to the cable or equipment to be tested. 2. Select the Appropriate Voltage: Set the device to the required voltage for the test. 3. Start the Test: The Megger generates high voltage and measures insulation resistance. 4. Read the Results: Results are displayed on the device screen, usually in ohms or mega-ohms. Precautions When Using a Megger • Always disconnect the equipment from the power source before testing. • Wear personal protective equipment to avoid electrical shocks. • Select the test voltage carefully to prevent damage to the equipment. The Megger is a crucial tool for anyone working in the electrical field, ensuring the safety and reliability of electrical systems by identifying insulation weaknesses. For more information please contact elgisales@gasarabian.com #ELGi #Alwaysbetter #GASArabianServices #compressors #aircompressor #compressedair #industrialmachinery #ELGi