Power system
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Bài giảng Nhà máy điện và trạm biến áp: Tổng quan (Overview) cung cấp cho sinh viên những nội dung gồm: hệ thống điện (power system – Grid); nhà máy điện (power plant); trạm biến áp (Substation – Transformer); đồ thị phụ tải (Load Chart – Load schedule);... Mời các bạn cùng tham khảo!
55p codabach1016 03-05-2024 5 1 Download
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This study is conducted based on the hypothesis of an accident from Fengcheng NPP with an incident level of 7, equivalent to the Fukushima accident. A modeling system has been established with different failure scenarios based on the Delft3D model. The research results will provide more insights into the extent and scope of the incident and the impact of meteorological conditions and dynamics on the propagation and distribution of radiation when an incident occurs.
17p dianmotminh02 03-05-2024 3 2 Download
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The purpose of the field-oriented control (FOC) is therefore to create a tool that allows the decoupling control of the flux and torque-producing current components from the three-phase AC currents flowing in the coil. The FOC drive system is a system based on the principle of decoupling the above power components thanks to the stator current feedback control (the innermost circuit of the drive system). The FOC-type control method belongs to the class of vector control methods for electrical machines.
22p dianmotminh02 03-05-2024 5 2 Download
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In this work, the free vibration analysis of Timoshenko microbeams made of the Functionally Graded Material (FGM) on the Winkler–Paternak elastic foundation based on the Modified Coupled Stress Theory (MCST) is investigated. Material characteristics of the beam vary throughout the thickness according to the power distribution and are estimated though Mori–Tanaka, Hashin–Shtrikman and Voigt homogenization techniques.
13p dianmotminh02 03-05-2024 8 2 Download
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Bài giảng Cơ sở kỹ thuật điện: Bài 1 cung cấp cho học viên những nội dung về: hệ thống điện; vector pha và mạch công suất 3 pha; công suất trong mạch AC 1 pha; Bảo toàn công suất phức; hệ 3 pha cân bằng; biến đổi mạch 3 pha tương đương;... Mời các bạn cùng tham khảo!
32p codabach1016 03-05-2024 6 3 Download
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Nối tiếp nội dung phần 1, phần 2 cuốn giáo trình "Phương pháp tính và tin học chuyên ngành" trình bày các nội dung: Mô phỏng Simulink Power System Blockset và Gul, một số ứng dụng của ngôn ngữ lập trình matlab, ngôn ngữ lập trình Fortran 9.0. Mời các bạn cùng tham khảo nội dung chi tiết.
138p besfriend01 02-04-2023 8 3 Download
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This research investigates an innovative approach to augmenting the current evaporation pond disposal approach used in Australia, and other regions around the world. The augmentation involves the incorporation of solar plate collector technology. The technology is widely used across the world to collect solar power to drive a range of commercial and domestic applications, most commonly solar hot water systems.
110p runthenight07 01-03-2023 7 2 Download
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This research investigates the relationship between post fault transient overvoltages and the functionality of the digital distance protection. The study is conducted in a 66kV network with a neutral earth resistor as method to earth the power system. This paper begins by performing an extensive power system analysis on ground fault transient overvoltages. The study is conducted by using the PSCAD-EMTC software package.
180p runthenight07 01-03-2023 6 2 Download
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This thesis is dedicated to study how the charging behaviours of plug-in hybrid vehicles affect the local distribution network. This study focuses on two issues: the power loss and charging cost optimization. The multi-objective particle swarm optimization technique is applied to achieve the optimal charging schedule, resulting in acceptable additional power loss ratio and charging cost.
89p runthenight07 01-03-2023 6 2 Download
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The main objective of this research "Dynamic modelling of an aggregated solar-PV system for power system transient stability studies" is to develop an aggregated solar-PV model and critically analyse its performance under various operating conditions and faults.
104p runthenight04 02-02-2023 5 2 Download
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The objective of this study is to investigate the hotspot (fires and other thermal anomalies) detection and characterization product from the TET-1 satellite sensing system from the German Aerospace Centre (DLR). The satellite is envisioned, as part of a constellation of satellites, to provide detection and characterization of fires at a higher spatial resolution when compared to the current standard global coverage from the MODIS fire products.
112p runthenight04 02-02-2023 6 2 Download
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This research explores whether Environmental Management Accounting can be applied to assist an Australian cogeneration company in improving both its financial performance as well as its environmental performance. Cogeneration or 'combined heat and power', in this particular case, involves the simultaneous production of heat and electricity using a single fuel, that is, natural gas. The heat generated is then used to produce steam to meet the customers' requirements as well as boost the production of electricity.
247p runthenight04 02-02-2023 7 2 Download
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This project is focused on studying the biological effects of low-power RF radiation on the expression and function of mechanosensitive ion channel protein (Piezo-1). To evaluate the effects of long-term exposures, cells were exposed at the frequency of 1800 MHz and power of 17 dBm for a period of 2 and 4 hrs using the transverse electromagnetic (TEM) cell exposure system. To study the effects of short-term RF radiation (10 min), exposures emitted from the mobile phone headset at the frequency of 845 MHz and powers of -15 dBm and -5 dBm were applied to cell cultures.
141p runthenight04 02-02-2023 6 3 Download
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This thesis presents the following contributions. First, it is identified that disturbance estimation based networks utilised for compensation possess the same polynomial architectures as signal conditioning anti-windup and their equivalents. Next, an appropriate strategy is identified to integrate disturbance compensation for finite-controlset optimisation schemes via the constraint set rather than the cost function to maintain a simple and elegant problem structure.
208p runordie3 06-07-2022 9 2 Download
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This project "Examining changes in sensitivity and functionality of mechanosensitive ion channel protein Piezo 1 exposed to Low-Level Radiofrequency Radiation" is focused on studying the biological effects of low-power RF radiation on the expression and function of mechanosensitive ion channel protein (Piezo-1). To evaluate the effects of long-term exposures, cells were exposed at the frequency of 1800 MHz and power of 17 dBm for a period of 2 and 4 hrs using the transverse electromagnetic (TEM) cell exposure system.
141p runordie3 06-07-2022 6 1 Download
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This paper proposes a solution to the power grid system's reactive power optimization scheduling problem (RPSP) based on a novel Manta ray forging algorithm (MRFO) evolutionary algorithm. By applying the penalty function for the reactive power optimization model, the management of the constraints of the RPSP optimization formula is counting on for calculation.
10p linyanjun_2408 21-04-2022 14 1 Download
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Geothermal energy constitutes an important renewable resource in Turkey that has been extensively utilized for heating buildings, power generation, greenhouse farming and various other industries. One of the most remarkable geothermal locations in Turkey is the low-enthalpy area of Afyon, where five main low-temperature (30–110℃) geothermal fields are exploited. However, further exploration drilling sites have proven inconclusive, casting doubts on the effective presence of high-temperature geothermal systems in the region.
15p tanmocphong 29-01-2022 9 1 Download
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Mục đích nghiên cứu của đề tài là nghiên cứu, thiết kế chế tạo hoàn chỉnh một quản lý nguồn – PMS trên cơ sở ứng dụng kỹ thuật số sử dụng vi điều khiển ATMEGA162, mạng truyền thông công nghiệp, màn hình HMI để đáp ứng được các yêu cầu đăng kiểm cho ngành hàng hải và sử dụng lắp đặt trên tàu biển.
33p bobietbay 22-12-2021 33 11 Download
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In this study, we studied the effects of different environmental factors such as light, temperature and air humidity and of internal SBES factors such as sulfate concentration, dissolved oxygen concentration and biocathode on voltage reversal in the SBES.
9p guitaracoustic02 08-12-2021 14 2 Download
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The thesis contributes on quick solving a big amount of work, which is in fault classification and location at the request of the Power Sector. Besides, the thesis supplies the knowledge supporting for operation, increasing the effectiveness of relay’s utilization.
28p guitaracoustic02 08-12-2021 16 2 Download