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This paper presents a new control method to regulate various parameters such as output voltage and power of the inverters interfaced with distributed generations (DGs) in the proposed microgrid system integrated with a distribution network device. Model Predictive Control (MPC) is used to control the inverters of the DGs using state-space model of the inverters in the proposed system. The distribution...
This paper proposes a new strategy to achieve voltage regulation in distributed power systems in the presence of solar energy sources and battery storage systems. The goal is to find the minimum size of battery storage and its corresponding location in the network based on the size and place of the integrated solar generation. The proposed method formulates the problem by employing the network impedance...
The inverter outputs high frequency common mode voltage, which excites the parasitic capacitance in the motor, and the high frequency current flows through the parasitic capacitance forming high frequency discharge bearing current (HFDBC) and voltage across the stator and rotor (bearing inner race and outer race) is defined as shaft voltage[1-3]. The discharge occurred in the bearing inner ring, causing...
This paper presents a new control method to regulate various parameters such as voltage, current and power of the inverter interfaced with Distributed Generation (DG) in a microgrid. Model Predictive Control (MPC) is used to control the inverter of the DG using a state-space model of the inverter based microgrid. The operation of the microgrid is tested under grid-connected and stand-alone conditions...
Battery energy storage system (BESS) is the key element to integrate a distributed generation (DG) unit into a microgrid. This paper presents a microgrid consisting of singlephase photovoltaic (PV) arrays which function as the primary DG units and a BESS to supplement the intermittent PV power generation and demand variations in the microgrid. An energy management system is proposed to coordinate...
A systematic flow is described for characterizing, modeling, and simulating single event transient-induced soft errors in cell-based designs. Pulse broadening effects are quantified for a 65 nm CMOS process.
In this paper we present the design and the measured results for a FCC-compliant UWB impulse transmitter (Tx) designed to operate in the 3–5GHz range. The transmitter uses a fast start-up, duty-cycled, current-starved ring-oscillator topology. A triangular pulse-shaping technique is utilized for spectrum-shaping to facilitate FCC compliance. The designed transmitter can be controlled to operate in...
A simple statistical behavior ring-delay model is proposed for the first time. Based on this model, the correlation between FETs' DC drive currents and AC performance (e.g., delay of ring oscillators) under different scenarios in 32 nm process technology are systematically studied. The extracted model coefficients trend helps to gain deeper insight on the nodal voltage waveform and impacts of the...
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