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In this paper the design of control law to calculate width of PWM pulse to generate the desire output voltage is described. Design of hardware and control law is carried out by considering 100 Watt application(load). This design is carried out with state space variable using digital control technique. Digital controlier is design using pole placement technique to achive desire transient response....
Interconnecting the distributed energy resources with the grid, which forms a distributed energy systems, is a promising way to enable renewable energy integration and to solve global problems such as energy crisis and climate change. Voltage regulation is a necessary requirement in the distributed energy systems, particularly in the systems operating in the island mode and serving the voltage-sensitive...
This paper presents a dynamic modeling and simulation of a high speed single shaft micro-turbine generation (MTG) system for grid connected operation and shows genetic algorithm (GA) role in improvement of control system operation. The model is developed with the consideration of the main parts including: compressor-turbine, permanent magnet (PM) generator, three phase bridge rectifier and inverter...
This paper proposed the inverse model control strategy of the inverter in the field of active power filter. Since the inverse model of the inverter can not be easily as well as accurately obtained, BP neural network is introduced to approach the inverse model. After the training of the neural network, we can connect it with the inverter to get a nearly ideal linear system. Various simulations are...
Microgrid-containing parallel-connected inverters, where each inverter is controlled by decentralized active power/voltage frequency and reactive power/voltage magnitude droop control laws results in flexible and expandable systems. These systems have been known to have stability problems for large values of active power/voltage frequency droop control gain. However, so far the stability analysis...
Direct voltage can be converted to alternating voltage (and vice versa) with an inverter. The control of the inverter is based on the control of power switches and the usage of a suitable modulation method. The control of the inverter is proposed to be done in an FPGA circuit that allows quick parallel calculation. Because of the architecture of the FPGA circuits, the sufficient byte length of the...
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