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power cables

Quality Control & Testing of Power Cables #electricaldesign #electricalservices #electricalmaintenance

𝑾𝒉𝒂𝒕 𝒊𝒔 𝑪𝒐𝒎𝒎𝒊𝒔𝒔𝒊𝒐𝒏𝒊𝒏𝒈? The last phase of a construction project is the commissioning phase, where the subsystems are integrated together to form the desired plant process, and tested as a system to verify project specification requirements are met. The term commissioning refers to the activities from the point in the project when construction is complete (or equipment is installed) until the equipment is placed into service and handed over to the Owner’s operations team for continued operation and maintenance. As construction is completed and equipment installation is complete, the construction and commissioning teams will perform a walkthrough to identify any contract deviations or deficiencies, and list all items on a deficiency tracking list. Deficiencies are then classified as Type-A, Type-B, or Type-C, identifying when each must be complete. Type-A is a showstopper, and must be complete before proceeding to the next activity. Type-B does not need to be addressed immediately and does not impact subsequent activities, but must be rectified prior to handover to the owner. Type-C deficiencies are minor defects and are agreed by the owner to be rectified after handover to the owner. For mechanical systems, pre-commissioning activities consist of cleaning and flushing of pipes, pressure testing, and leak testing. Any rotating equipment such as a pump are bump tested, which means rotating for the first time on site to verify current draw, pressure, and flow rates. There may be an initial run-in period of motors and pumps to verify vibration and heating/cooling as well as confirm no infant mortality issues. Following completion of pre-commissioning checklists, commissioning can begin. Commissioning is the on-site process to verify that equipment has not been damaged during shipping since the FAT was completed. All field devices are installed at this point, so field wiring is confirmed to be correct, and a subset of FAT tests are repeated to ensure the equipment can communicate to all field devices and that equipment is calibrated. #engineering #construction #quality #QA #QC #Inspection #Commissioning #testing #test

HVAC - Complete knowledge 📘

Quality Control And Testing Of Power Cables copied #electricalinstallation #electricalengineering #electricaldesign

Simple details to understand HVAC system works.

Basic of Vapour Compression Cycle.

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Pre commissioning of induced type cooling tower: Pre-commissioning of an induced draft cooling tower typically involves several steps to ensure proper functioning before it goes into operation. Here's a general outline: Inspection and Testing: Thoroughly inspect the cooling tower for any damage or defects. Test components such as fans, motors, nozzles, and distribution systems to ensure they are functioning correctly. Cleaning: Clean the interior and exterior of the cooling tower to remove any debris, dirt, or contaminants that could affect performance. Water Treatment System Setup: Install and calibrate the water treatment system to prevent scaling, corrosion, and biological growth within the tower. Fill Media Installation: Install the fill media (usually made of plastic or wood) inside the tower to facilitate efficient heat transfer from the water to the air. Fan and Motor Alignment: Ensure proper alignment of fans and motors to prevent vibration and maximize airflow efficiency. Water Distribution System Check: Verify that the water distribution system, including spray nozzles and piping, is correctly installed and functioning to evenly distribute water over the fill media. Electrical Connections: Check and test all electrical connections to ensure they are secure and properly wired. Safety Checks: Confirm that all safety features, such as guards, handrails, and access doors, are in place and functional. Flow Testing: Conduct flow testing to ensure proper water flow through the tower and adjust as necessary. Startup Procedure: Follow the manufacturer's guidelines for starting up the cooling tower, including filling with water, adjusting settings, and monitoring performance. Commissioning Tests: Perform commissioning tests to validate the cooling tower's performance, including capacity testing, noise level testing, and efficiency testing. Documentation: Document all pre-commissioning activities, including inspections, tests, and adjustments, for future reference and maintenance purposes. By following these steps, you can ensure that the induced draft cooling tower is properly prepared for operation and will effectively remove heat from the system it serves. #utility #utilities #water #coolingwater #industrialwater #industrialwatertreatment #coolingtowers #coolingsystem #coolingtower #coolingexperts #engineer #engineers #engineering #ejaaz #elearningin #learning #chemistry #labs #qc #qa #chemical #mechanical #electrical #civil #powerplants #powergenerations #thermal #powerindustry #cement #fertilizers #textile #pharma #oilandgas

Pump Installation Guideline WRC-449 One of the useful documents for mechanical engineers. #PUMPS #pump_installation #mechanical_engineers #engineering # Chemical_engineers #process_engineers #water_supply #engineers #technical_manager