Essays about: "small signal voltage stability"

Showing result 1 - 5 of 7 essays containing the words small signal voltage stability.

  1. 1. Development and Analysis of Small Signal DQ-Frame Model for Low Frequency Stability of Train Converters

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Fabian Tidner; [2023]
    Keywords : Low Frequency stability; DQ-frame modeling; Single phase converter; Electric rail way systems; Lågfrekvent stabilitet; DQ-ram modellering; Enfasig likriktare; Elektriska järnvägssystem;

    Abstract : In order to meet the increasing demand for sustainable transportation, trains need to run with tighter schedules, more departures and more trains in depot. Multiple trains in depot has been linked to low frequency instability at many locations around the world. READ MORE

  3. 2. Design and Verification of An Energy-Efficient Edge-Pursuit Comparator

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Haiqin Xie; [2022]
    Keywords : analog to digital converter ADC ; SAR; comparator; edge-pursuit comparator EPC ; edge-pursuit comparator enhanced with capacitor EPCC ; energyefficient.; analog till digital omvandlare ADC ; SAR; komparator; edge-pursuit komparator EPC ; edge-pursuit komparator förbättrad med kondensator EPCC ; energieffektiv.;

    Abstract : With the rapid development of mobile communication, sensors, and biomedical in recent years, the demand for accurate data information, highquality audio and image has become much more significant, which requires a high-precision Analog to Digital Converter (ADC) to process weak analog signals. As one of the core modules of ADC, the comparator’s precision, speed, stability, and noise play a key role in the performance of the whole circuit. READ MORE

  4. 3. The role of location of low inertia in power systems

    University essay from Uppsala universitet/Institutionen för elektroteknik

    Author : Bashar Alahmad; [2021]
    Keywords : Low inertia; Frequency stability; Rotor-angle stability; Nordic 32; Kundur; PowerFactory; Small-signal stability; Inter-area oscillation; Rate of Change of Frequency.;

    Abstract : The plans to reduce the energy-related greenhouse gas emissions stimulate the deployment of electronically interfaced renewable resources. The increased penetration of such intermittent sources together with phasing conventional power plants out and the installation of High Voltage Direct Current (HVDC) links for long-distance more efficient transmission, reduces the stored inertia in any electrical grid. READ MORE

  5. 4. Power Supply Rejection (PSR) Enhancement Techniques for Fully Integrated Low-Dropout (LDO) Regulators

    University essay from Linköpings universitet/Elektroniska Kretsar och System

    Author : Saptarshi Banerjee; [2020]
    Keywords : ;

    Abstract : In this present world, there is a huge requirement of portable devices for that the analysis of low-dropout or LDO regulators have been on high priority. So, for every respective device, there is a power budget that acts as the main constraint to design an LDO. The LDO design aims to suppress the noise and supply noise-free or low noise output. READ MORE

  6. 5. Improving Low Voltage Ride-Through Requirements (LVRT) Based on Hybrid PMU, Conventional Measurements in Wind Power Systems

    University essay from Avdelningen för fysik och elektroteknik

    Author : Chinedum Ekechukwu; [2014]
    Keywords : State Estimation; Power Systems; Unscented Kalman Filters; Phasor Measurement Units;

    Abstract : Previously, conventional state estimation techniques have been used for state estimation in power systems. These conventional methods are based on steady state models. As a result of this, power system dynamics during disturbances or transient conditions are not adequately captured. READ MORE