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  2. Mathematics of three-phase electric power - Wikipedia

    en.wikipedia.org/wiki/Mathematics_of_three-phase...

    An unbalanced system is analysed as the superposition of three balanced systems, each with the positive, negative or zero sequence of balanced voltages. When specifying wiring sizes in a three-phase system, we only need to know the magnitude of the phase and neutral currents.

  3. CPC theory - Wikipedia

    en.wikipedia.org/wiki/CPC_Theory

    The development of CPC-based power theory by Leszek S. Czarnecki was initiated in 1983 when he challenged the correctness of existing power theories as applied to single-phase linear, time-invariant (LTI) loads with nonsinusoidal voltage, and next, he revealed the existence of a scattered current, and invented a method of reactance compensation.

  4. Ground and neutral - Wikipedia

    en.wikipedia.org/wiki/Ground_and_neutral

    The neutral carries current if the loads on each phase are not identical. In some jurisdictions, the neutral is allowed to be reduced in size if no unbalanced current flow is expected. If the neutral is smaller than the phase conductors, it can be overloaded if a large unbalanced load occurs.

  5. The Pirate Bay - Wikipedia

    en.wikipedia.org/wiki/The_Pirate_Bay

    Initially, The Pirate Bay's four Linux servers ran a custom web server called Hypercube. An old version is open-source. [55] On 1 June 2005, The Pirate Bay updated its website in an effort to reduce bandwidth usage, which was reported to be at 2 HTTP requests per millisecond on each of the four web servers, [56] as well as to create a more user friendly interface for the front-end of the website.

  6. Symmetrical components - Wikipedia

    en.wikipedia.org/wiki/Symmetrical_components

    Set of three unbalanced phasors, and the necessary symmetrical components that sum up to the resulting plot at the bottom. In 1918 Charles Legeyt Fortescue presented a paper [4] which demonstrated that any set of N unbalanced phasors (that is, any such polyphase signal) could be expressed as the sum of N symmetrical sets of balanced phasors, for values of N that are prime.

  7. List of open-source software for mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    It has a compatibility mode with Maple, Derive and MuPAD software and TI-89, TI-92 and Voyage 200 calculators. The system was chosen by Hewlett-Packard as the CAS for their HP Prime calculator, which utilizes the Giac/Xcas 1.1.2 engine under a dual-license scheme.

  8. Load balancing (electrical power) - Wikipedia

    en.wikipedia.org/wiki/Load_balancing_(electrical...

    Load balancing, load matching, or daily peak demand reserve refers to the use of various techniques by electrical power stations to store excess electrical power during low demand periods for release as demand rises. [1] The aim is for the power supply system to have a load factor of 1.

  9. Paradox (warez) - Wikipedia

    en.wikipedia.org/wiki/Paradox_(warez)

    PARADOX (PDX) is a warez–demogroup; an anonymous group of software engineers that devise ways to defeat software and video game licensing protections, a process known as cracking, which is illegal in most jurisdictions. They distribute cracks (software patches), keygens (key generators