+33 6 52 81 47 39 [email protected] Mon-Fri 08:00-18:00 (CET)
Reducing Hvac Noise With Duct Liner

Reducing Hvac Noise With Duct Liner

Browse technical resources about OPGW, ADSS, distribution automation, relay protection, fiber sensing, substation networks, line monitoring, and energy internet.

  • Fiber Optic Cable Duct Detection

    Fiber Optic Cable Duct Detection

    Fiber optic sensing technology has revolutionized the way we monitor and manage buried fiber optic cables. By converting optical fibers into thousands of virtual sensors, we can detect changes in temperature, strain, and other critical parameters. Duct fiber optic cables—often called “duct fiber”—are specialized optical cables engineered to be installed within pre-existing ducts (hollow tubes) rather than buried directly in soil or strung from poles. What can be detected is the cable strengthening, the jacket, the trenching, the ducts they are in and if included. Fiber optic cable is a type of cabling that contains one or more optical fibers for transmitting data at high speeds and/or over long distances using light. These fibers are most commonly made of glass and are very thin, typically less than a tenth of the width of a human hair. Any such damage may alter the cable's characteristics to the extent that the cable section may have to be replaced. To ensure all specifications are met, consult the specific cable specification sheet for the cable you. DNV is a leader in verifying distributed fibre-optic sensing (DFOS) systems for pipeline leak detection.

    [PDF Version]
  • Should the cable be run in a cable tray or a cable duct

    Should the cable be run in a cable tray or a cable duct

    With a cable duct, you have to remove the cover to get inside. It's not ideal if you need to access cables often. If you're working on an electrical project, you've likely asked yourself this: Should I use a cable duct or a cable tray? It's a common question. Each system has unique characteristics that make it more suitable for specific applications. It indicates the direction in which the wires will follow from one side of a building to the other. From. Choosing between open cable tray and enclosed wireway/duct affects heat dissipation, ampacity derating, code compliance, and long-term maintenance.


  • Outdoor fiber optic cable underground duct

    Outdoor fiber optic cable underground duct

    A practical, engineering-focused guide to planning and installing underground fiber optic cables with the right cable structure, trench design and protection level for long-life, low-risk networks. Match trench method with the correct underground fiber structure (GYTS . These are the outdoor fiber optic cables you see strung along telephone poles (aerial), installed inside an underground duct, or even buried directly below ground. 2 meters (3-4 feet) deep to reduce the likelihood of accidentally being dug up. It affects performance, maintenance, cost, and reliability.


  • Outdoor server rack air duct heat dissipation principle

    Outdoor server rack air duct heat dissipation principle

    At the heart of server rack cooling is a basic principle: heat moves from hot to cold. This process, called thermal transfer, is how your equipment gets rid of excess heat. Rack mount equipment generates heat as a result of the processes it completes; the amount of heat a piece of equipment dissipates is approximately equal to the total electrical power delivered to it. This heat is absorbed by the ambient air in the server, and removed by airflows generated by fans. Because data centers are high-density enclosed spaces that generate a significant amount of heat, traditional comfort cooling systems can't remove enough heat to protect the critical equipment. Additionally, well-managed heat control helps systems consume less power. IT system energy efficiency. Whether you're operating industrial automation systems with electrical switchgear or high-density data servers in server racks, effective temperature management is crucial for long-term performance and equipment longevity.

    [PDF Version]
  • The electrical distribution box in the hallway is making noise

    The electrical distribution box in the hallway is making noise

    The buzzing sound is usually caused by the flow of electricity through the panel's components, such as the circuit breakers, fuses, or busbars. However, it's essential to investigate the cause of the buzzing to ensure it's not a sign of a more serious issue. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. An overloaded circuit can. A quiet circuit box is something most of us take for granted. Even in a busy Ottawa summer, it's hard. The first step in addressing an electrical noise is determining its physical source, which requires a methodical isolation process. There are several reasons why your panel might be.


Need Product Pricing?

Contact us for competitive quotes on any of our power communication and smart grid products

Get a Quote