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Among many different types of electrical loads, the operation of steel plants play as one of the most important roles in industrial systems due to the provided steel materials are considered as essential for country developments. Electric arc furnaces and multi-pulse motor drives are commonly used facilities for steel-making and rolling mill in the plants; however, the operation of these facilities...
When D-STATCOM is used in load comprehensive compensation, the preciseness of detecting the compensation current required by the system is very important for compensation effects. There are many detection methods at present. This paper describes and analyzes the principle of the traditional id-iq detection method, and presents and simulates a improved id-iq detection method to eliminate the errors...
This paper presents application experiences of real-time simulation (RTS) techniques for harmonic and flicker studies of an industrial power system, where the system and nonlinear loads are properly modeled. A PC-cluster-based real-time parallel simulator is implemented under MATLAB/SIMULINK, where the studied system consists of an ac electric arc furnace, dc and ac motor-drive loads, and the static...
This work presents several harmonic analyses using the four-wire three-phase harmonic current injection method (FHCIM) to simulate the power distribution neutral-to-earth voltage (NEV) Test Case. FHCIM is a fast and reliable Newton-Raphson multi-frequency power flow methodology to simulate unbalanced three-phase electric power systems with explicit representation of the network characteristics and...
A comprehensive power quality controller combined with Thyristor Controlled Reactors (TCR) and Resonant Impedance Type Hybrid Active Filter (RITHAF) is proposed in this paper for power distribution system. The RITHAF topology presented in the paper is different from the conventional Active Power Filter (APF). The basic of the new RITHAF topology is to add a Fundamental Series Resonance Circuit (FSRC)...
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