International Journal of Engineering Management

Archive

Volume 5, Issue 1, June 2021

  • Comparison the Performance of the Dynamic Voltage Restorer Based on PI, Fuzzy Logic, and Fuzzy Neural Controller

    Samhar Saeed Shukir

    Issue: Volume 5, Issue 1, June 2021
    Pages: 1-11
    Received: 26 March 2021
    Accepted: 12 April 2021
    Published: 26 April 2021
    DOI: 10.11648/j.ijem.20210501.11
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    Abstract: The Dynamic Voltage Restorer (DVR) is one of the most efficient and effective custom power devices in protecting the sensitive equipment against voltage sag and voltage harmonics due to; lower cost, smaller size and dynamic response. The inverter is the core of the DVR and it directly affects the performance of the DVR, incorrect injection or delay... Show More
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  • The Relationship Between Business Environment and Happiness with Corporate Profitability

    Mehdi Khazaei

    Issue: Volume 5, Issue 1, June 2021
    Pages: 12-20
    Received: 19 February 2021
    Accepted: 16 April 2021
    Published: 29 April 2021
    DOI: 10.11648/j.ijem.20210501.12
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    Abstract: Business and investment in any area requires the provision of an appropriate and secure institutional environment. One of the factors that helps to expand businesses and increase corporate profits is the right business environment. Avoiding complicated administrative bureaucracy, lending and credit, proper international trade, and the ease of obtai... Show More
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  • Fuzzy Neural Optimized Fuzzy Logic Controller Based Dynamic Voltage Restorer for Power Quality Improvement with Non-linear Loads

    Samhar Saeed Shukir

    Issue: Volume 5, Issue 1, June 2021
    Pages: 21-32
    Received: 26 March 2021
    Accepted: 22 April 2021
    Published: 30 April 2021
    DOI: 10.11648/j.ijem.20210501.13
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    Abstract: Recently a large attention has been focused on a power quality domain due to: disturbances caused by non-linear loads, Increase in number of electronic devices and growth of renewable energy sources. Power quality measures the fitness of electric power transmitted from generation to industrial, domestic and commercial consumers. At least 50% of pow... Show More
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