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Proper design parameter should be decided to design the permanent magnet synchronous motors. Generally, as output equation of permanent magnet motors, torque equation and voltage equation are used to decide design parameter. As predictions of motor performance following to parameters are possible under constant load only, drive motors for HEV/EV are not suitable ones. And permanent magnet synchronous...
This paper presents the design of a dynamic vision sensor for mobile applications. The sensor features a standby mode with less than 250uW of power dissipation. The sensor changes operation mode between standby and normal operation itself depending on input activity. The power consumption in normal operation mode is typically 500uW and activity dependent. The sensor design is implemented in a 90nm...
This paper presents improved Rubber Tyred Gantry Crane system with high power voltage compensated converter to save the fuel consumption. The RTGC system requires the power from diesel-engine. Significant fuel savings by reducing the engine speed can be achieved, because all of operation modes except hoisting are required lower power than rated value of engine. When low speed operation output voltage...
This paper describes operational analysis results of the DC micro-grid using detailed model of distributed generation. Detailed model of wind power generation, photo-voltaic generation, fuel cells generation was implemented with the user-defined model of PSCAD/EMTDC software that is coded with C-language. The operation analysis was carried out using PSCAD/EMTDC software, in which the power circuit...
This paper proposes a grid-tied power conditioning system for the fuel cell, which consists of a three-phase current-fed dc-dc converter and a 3-phase inverter. The three-phase current-fed dc-dc converter boosts the fuel cell voltage of 26-48V up to 400V, using the zero voltage switching and three-phase DC power transfer capability. The operation of proposed power conditioning system was verified...
This paper proposes an 18-step back-to-back voltage source converter using four sets of 3-Level converter module with auxiliary circuit to increase the number of steps. The proposed BTB voltage source converter has an independent control capability of active power and reactive power at the interconnected ac system. The operational feasibility of proposed system was verified through computer simulations...
This paper describes operational analysis results of the DC micro-grid using detailed model of distributed generation. Detailed model of wind power generation, photovoltaic generation, fuel cells generation was implemented with the user-defined model of PSCAD/EMTDC software that is coded with C-language. The operation analysis was carried out using PSCAD/EMTDC software, in which the power circuit...
A small signal analysis of DC-DC converters with Average Current Mode Control (ACMC) in Continuous Conduction Mode (CCM) is performed in a unified manner. Design-oriented equations are derived for all three types of DC-DC converters. These equations are such that they are expressed explicitly with converter circuit and operating parameters, making them easy to be directly applicable to practical design...
Ever increasing demands for the development of compact, lightweight power supplies with more power density, higher efficiency and fast dynamics, often require power conversion through parallel connected converter. In order to realize the parallel module DC-DC converters, a current mode control scheme is essential for current sharing control among the modules. The general analog current mode control...
In this paper, the design procedures of the weighted voltage control (WVC) network integrated referent command setting; current share control effort and voltage trimming function together are presented. In accordance to the location of this WVC network within DC/DC converter, two approaches are analyzed in detail by using the superposition theorem and linearized perturbation analysis. Owing to the...
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