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Three-Phase Voltage Source Converter Models
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This demonstration compares three Voltage Source Converter (VSC) models using the Universal Bridge block. Each model is controlled in open loop with a SPWM pulse generator.
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Synchronous Buck Converter
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This switched power supply converts a 30V DC supply into a regulated 15V DC supply. The model can be used to both size the inductance L and smoothing capacitor C, as well as to design the feedback controller. By selecting between continuous, discrete and fixed-point controllers, the impact of discretization and using limited numerical precision can be explored.
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Six-Pulse Cycloconverter
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This demonstration illustrates a six-pulse cycloconverter driving a static load.
Circuit Description: The system consists of three-phase to single-phase cycloconverter modules suitably arranged to implement a three-phase to three-phase architecture. Each module has a positive and negative cycle thyristor bridge connected in anti-parallel.
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Speed Control of a DC Motor Using BJT H-Bridge
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This demonstration illustrates simulation of a H bridge used to generated a chopped voltage and control speed of a DC motor, in open loop, in both directions.
Description: The Bipolar Junction Transistor (BJT) when used for power switching applications operates as an IGBT. When it is conducting (BJT operating in the saturated region) a forward voltage Vf is developed between collector and emitter (in the range of 1 V). Therefore the IGBT block can be used to model the BJT device.
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Zener Diode Regulator
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This example presents a model of the zener diode used in a voltage regulator.
Block Description: The Zener diode block modeled in the demo presents a practical implementation that uses parameters commonly provided on datasheets. These parameters are
(1) Zener Voltage Vz(2) Dynamic Impedance Zzt(3) Knee Impedance Zzk(4) Max Continuous Current Izm(5) Forward Voltage Drop Vf(6) On Resistance Ron
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Full Wave Rectifier
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This demo illustrates the use of ideal switchgear solutions to simulate the use of ideal diode full wave rectifiers.
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Ni-MH Battery Model
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Demonstration of battery model during charging and discharging. Demonstration model 200 V, 6.5 ah Ni MH rechargeable battery.
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Sensorless Brushless DC Motor Drive During Speed R
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Demonstration of AC7 Sensorless Brushless DC motor drive in speed regulation.
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Brushless DC Motor Drive During Speed Regulation
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Demonstration of AC7 brushless DC motor drive in speed regulation.
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Robot Axis Control Using Brushless DC Motor Drives
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Axis control of robot driven by brushless DC motor
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