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This paper presents a fault-tolerant control method for induction motor (IM) based on higher order sliding mode (HOSM) observer. Traditional current control involves the regulation of the d - q synchronous reference frame currents with or without a decoupling compensator. The compensation voltages, which require speed and motor parameters cancel the coupling terms. When the speed is not available,...
Recently, use of the electric vehicle (EV) has begun to spread rapidly. Fortuitously, there is a possibility that the EV can be connected to a smart house in order to control charging and discharging operations. In this case, the smart house must perform optimal load sharing control according to the state of charge of the storage battery and the battery capacity. In this paper, voltage control is...
The paper presents a newly introduced Voltage Source Converter (VSC) topology called as an Alternate Arm Modular Multilevel Converter (AAMMC). The different high voltage and industrial applications mainly based on the multilevel converters which are discussed briefly. The main purpose of this paper is to study the basic converter structure, its operating principle and its control strategy. The main...
This paper presents design and simulation of Perturb and Observe (PO) algorithm of Maximum Power Point Tracking (MPPT) for Photo voltaic system. The characteristics of a solar cell are dependent on the environmental parameters like sun light and temperature and are non linear in nature. It's power changes non linearly with respect to the voltage and current. Hence there is only one voltage and current...
This paper discusses construction and testing of a scaled down model of 33 kV substation using SCADA (Supervisory Control And Data Acquisition). The model works as a testing platform for conducting various kinds of automation tests like unscheduled load shedding, time based load shedding, over voltage protection etc. The model provides hands on experience of automation which results in enhancement...
This paper presents a new control strategy for controlling the active power and reactive power of a Doubly Fed Induction Generator (DFIG) used in wind energy conversion systems (WECS). By controlling the load angle delta between the output voltage of the inverter and grid voltage, active power as well as reactive power of the grid can be controlled. Microcontroller NXP P89v51RD2 is used as a tool...
This paper presents the modelling and implementation of a three-phase DSTATCOM (Distribution Static Compensator) using an efficient control algorithm for power conditioning. This is one of an effective way for harmonic suppression, load balancing and reactive power compensation at distorted PCC (Point of Common Coupling) voltages under nonlinear loads. It is hoped at providing a broad perspective...
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