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  2. Isolated-phase bus - Wikipedia

    en.wikipedia.org/wiki/Isolated-phase_bus

    In electrical engineering, isolated-phase bus (IPB), also known as phase-isolated bus (PIB) in some countries, is a method of construction for circuits carrying very large currents, typically between a generator and its step-up transformer in a steam or large hydroelectric power plant. Isolated phase bus during installation at the Bui Dam Ghana ...

  3. IPS/UPS - Wikipedia

    en.wikipedia.org/wiki/IPS/UPS

    IPS/UPS is shown in orange. The IPS/UPS is a wide area synchronous transmission grid of some CIS countries , with a common mode of operation and centralized supervisory control. It has an installed generation capacity of 300 gigawatts , and produces 1,200 terawatt -hours (TWh) per year for its 280 million customers.

  4. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Same definition as the bolt circle diameter BHCS: button head cap screw: Like an SHCS but with a button head. BHN: Brinell hardness number: BoM or BOM: bill of materials: Also called a list of materials (LM or L/M). Overlaps a lot in concept with a parts list (PL or P/L). There is no consistently enforced distinction between an L/M, a BoM, or a ...

  5. IPS - Wikipedia

    en.wikipedia.org/wiki/IPS

    IPS/UPS, an electric power transmission grid of some CIS countries Iron pipe size , nominal pipe size, originally based upon internal diameter of a pipe Integrated Product Support, a group of norms ( S-Series ) maintained by ASD and AIA and A4A

  6. IPS panel - Wikipedia

    en.wikipedia.org/wiki/IPS_panel

    IPS (in-plane switching) is a screen technology for liquid-crystal displays (LCDs). In IPS, a layer of liquid crystals is sandwiched between two glass surfaces. The liquid crystal molecules are aligned parallel to those surfaces in predetermined directions (in-plane). The molecules are reoriented by an applied electric field, while remaining ...

  7. Iron pipe size - Wikipedia

    en.wikipedia.org/wiki/Iron_pipe_size

    Iron Pipe Size (IPS or I.P.S.) pipe sizing system based on the inside diameter (ID) of pipe. It was widely used from the early 19th century to the mid 20th century and is still in use by some industries, including major PVC pipe manufacturers, as well as for some legacy drawings and equipment.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. First fix and second fix - Wikipedia

    en.wikipedia.org/wiki/First_fix_and_second_fix

    The installation of this equipment takes place in the "third fix" segment of a construction project. It is especially important that installation of sensitive electronic equipment be installed only when a construction site is dust-controlled and prepared for what would be considered "dust free" conditions.