Fpgas Advantages And Disadvantages

Nowadays, students are grounded by the advancement of technology. Facebook, WhatsApp, Twitter, and other digital devices occupy their leisure time (Bergmann and Sams 20). In the conventional class, students are not permitted to use it. If the millennial’s teachers still use traditional method, it will only aggravate teacher-student relationship (Bergmann and Sams 20). On the contrary, flipped educators infiltrated electronic equipment instead of conflicting it. With reference to the research conducted by Raul Burial in the States, the feedback of using videos from 1,200 participants was overwhelmingly positive. It acknowledged that students had great comfort with using technology while learning and revealed that instructional video was a powerful tool for content delivery and drawing students’ attention (Mathewson). Moreover, Keller and Share at UCLA have concluded in their research that it was imperative and relevant for students, regardless of background or circumstances, to have basic media literacy in order to be prepared for the demands of life that they may confront on a

It is observed that the power factor is maintained closer to unity when the input voltage is reduced from 230V to 110Vrms. Figure 11 (a) and (b) shows the power factor correction of controller for various load condition such as 20% (60W) and 75% (230W). The power factor for the system is found to be 0.84 for light load condition and 0.99 for full load condition. The THD of input current at full load with predominant third and fifth harmonic components are shown in Figure 12(a) and (b).Third harmonics is found to be 4.8% and fifth harmonic component is 4.9% which are well within IEC 61000-3-2 standard during wide range of load variations. The variation in power factor with load is shown graphically in Figure 13(a). It can be inferred from the graph that improved resettable control operates at high power factor for all load condition whereas the conventional PI control has poor power factor under light load conditions. Figure 13(b) shows the comparison between the efficiency of the converter for varying load conditions with the conventional control method and the resettable integrator control. The converter’s efficiency is maintained at 92% for light load conditions and 96% for fully loaded condition with integrator control technique. Thus the improved resettable integrator controller provides a very simple and reliable solution for power factor correction and

This chapter presents about the FPGA ideas and FPGA Synthesis Flow. An FPGA is a device that comprises of thousands or even large number of transistors connected to implement logic functions. They implement functions from simple addition and subtraction to complex digital filtering and error detection and its correction.

Representation of AC system: A simple representation by e.g. Thevenin sources does not consider feedback of AC system voltage control or change of load flow within the AC system. These effects shall be con-sidered by a more realistic AC network model.

HVDC transmission may also be selected for other technical benefits. HVDC can transfer power between separate AC networks. HVDC powerflow between separate AC systems can be automatically controlled to support either network during transient conditions, but without the risk that a major power system collapse in one network will lead to a collapse in the second. HVDC improves on system controllability, with at least one HVDC link embedded in an AC grid—in the deregulated environment, the controllability feature is particularly useful where control of energy trading is needed.

Flip phones and smartphones both have their advantages and disadvantages, but I believe smartphones are a better option for many reasons. Smartphones enforce safety. If you ever get into a bad situation, your phone will be a great tool to help you out. Communication tools of a smartphone let you interact with virtually anybody with the mere tap of your finger. There are endless applications you can install onto a smartphone that make doing anything so much easier. For these various reasons, I believe switching to a flip phone is a terrible idea. Make sure not to throw away your smartphone!

A growing number of hospitals have converted from nonprofit to for-profit status and vice versa. While there are a multitude of reasons for these conversions the public and communities are prompting concerns, the hospitals that have transformed, will offer a lower quality of care. There have been multiple studies to determine if this conversion is the reason for a decrease in quality of care. A Meta analysis of these studies was performed to understand and determine if there is a change in the quality after adaptation. Although, quality of care may decrease initially it is typically due to the reason of the conversion and not the conversion itself.

However, these algorithms generally demonstrate a slow time response. Time-domain algorithms are based on the instantaneous extraction of harmonic currents/voltages. The common time-domain control strategies are instantaneous reactive power theory (IRPT) [6] and synchronous reference frame theory (SRF) [7]. Calculation of active and reactive powers by transforming three-phase voltages and currents into two phases is the principle of PQ theory, which does not work properly under non-sinusoidal supply conditions [8]. SRF theory is based on conversion of three-phase quantities into their corresponding dc components, and low-pass filters (LPFs) are employed for harmonic filtering which contain a time delay and deteriorate the performance of the controller [9].

The hardware part and controller ismodelled and implemented through computer using program called MATLAB Simulink. The system is designed in a way that it does not require any user involvement to operate any stage in between. It will control the whole power system automatically after setting the desired parameters.

The term ”FACTS” (Flexible AC Transmission Systems) covers several power electronics based systems used for AC power transmission and distribution. The most interesting for transmission

Semi-active control systems combine the best features of the passive and active ones. They have almost the same environmental robustness, mechanical simplicity and low cost as passive devices and can offer the adaptability of active control systems without requiring the associated large power sources.

Offices from highly competitive industries like banking, financial services, healthcare, and government agencies worldwide are always under pressure to reduce costs. From the research, one can say that the performance of the offices can be increased by keeping in mind the following points: centralize physical facilities and budgets; standardize processes across business units; optimize processes to reduce errors and waste; relocate from high-cost to low-cost destinations; and technology enable with, for example, self-service portals. Further developments in automation, including software robots, have added a sixth point (Willcocks, Lacity, & Craig, 2015).

Index Terms – Unified Power Quality Conditioner, Active Power Filter, hysteresis control, voltage and current unbalance.

Power factor monitor & control 63. PROCURE SYSTEM FOR VEHICLE USING CAN PROTOCOL 64. TCP/IP BASED STUDENT ATTENDANCE LOGGING SYSTEM 65. SECURE SYSTEM FOR DOMESTIC PURPOSE 66. CARGO MANAGEMENT SYSTEM 67. Temperature Data Logger 68. SMS Enabled Industrial Networking 69. Digital Anemometer 70. Mobile car Security System 71. ETHERNET BASED PATIENT MONITORING SYSTEM 72. Electricity theft Identification using RF Modems 73. Security Integrated System Based On WAP For Remote Monitoring and Control of Industrial Process 74. Railway Gate Management using GPS and GSM 75. Priority for Emergency Vehicles in Traffic Signals 76. WIRELESS SENSORY BASED ENERGY CONSERVATION SYSTEM 77. Programmable Hopper Controller 78. TCP/IP BASED ENERGY MONITORING SYSTEM FOR ELECTRICITY BOARD 79. Wireless Temperature Monitoring and Controlling Using Embedded System 80. GPS GSM based patient monitoring 81. Security System for Remote Access using Telephone Line 82. I2C EPROM Programmers 83. Multi>channel Temperature Monitor & controller 84. RF Based Embedded Virtual Highway Patrol 85. Mail Transfer System 86. Lift control System 87. Tyre pressure monitoring system 88. WIRELESS SECURE POLLING SYSTEM USING GPRS 89. Accident identification system 90. Pc to Microcontroller communication Through USART. 91. Wireless Water Level Controller 92. Traffic Priority for Ambulance 93. Telephone interface security system 94. VOICE BASED AUTO RECEPTIONIST FOR EDUCATIONAL INSTITUTION

Automatic Power factor correction device reads the power factor from voltage and current, calculating the compensation requirement switch on different capacitor banks. So in our work we are going to design a control panel which will provide a nearer unity Power Factor When Plant