By Jose Rodriguez, Patricio Cortes
Content material:
Chapter 1 advent (pages 1–16):
Chapter 2 Classical keep watch over equipment for strength Converters and Drives (pages 17–30):
Chapter three version Predictive keep watch over (pages 31–39):
Chapter four Predictive keep an eye on of a Three?Phase Inverter (pages 41–63):
Chapter five Predictive regulate of a Three?Phase Neutral?Point Clamped Inverter (pages 65–79):
Chapter 6 regulate of an lively Front?End Rectifier (pages 81–98):
Chapter 7 regulate of a Matrix Converter (pages 99–114):
Chapter eight Predictive keep watch over of Induction Machines (pages 115–132):
Chapter nine Predictive keep watch over of everlasting Magnet Synchronous vehicles (pages 133–144):
Chapter 10 rate functionality choice (pages 145–161):
Chapter eleven Weighting issue layout (pages 163–176):
Chapter 12 hold up repayment (pages 177–189):
Chapter thirteen impression of version Parameter mistakes (pages 191–202):
Read or Download Predictive Control of Power Converters and Electrical Drives PDF
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Extra info for Predictive Control of Power Converters and Electrical Drives
Sample text
Currents are sinusoidal with low harmonic distortion. 16. The amplitude of the reference current iβ∗ is kept at 10 A. It can be observed that the load current iα reaches its reference with very fast dynamics while iβ is not affected by this step change. This result shows that the currents are decoupled in the predictive current control scheme. 17. It can be seen that during the step change of current iα the load voltage is kept at its maximum value until the reference current is achieved. 18. The amplitude of the reference current changes from 10 to 5 A and later from 5 to 10 A for all phases.
9 shows the relation between the stationary αβ and rotating reference frame dq, which is aligned with the rotor flux vector r . Since the variables are expressed in a rotating coordinates frame, the electromagnetic torque can be controlled via the imaginary component of the stator current isq and the rotor flux magnitude is controlled by its real part isd . 8) where τr is the time constant of the rotor [7]. 10 where the reference current isq is ∗ obtained from an outer speed control loop while isd is obtained from the rotor flux control loop.
7. 2 Classical Electrical Drive Control Methods In the control of electrical drives there are two main control schemes that have dominated high-performance applications during the last few decades: field-oriented control (FOC) [5–7] and direct torque control (DTC) [8]. These control strategies will be presented in the next two sections and will be considered for comparison to the predictive control schemes for electrical drives presented later in this book. 1 Field Oriented Control The main idea behind FOC is the use of a proper coordinate system that allows decoupled control over the electrical torque Te and the magnitude of the rotor flux | r |.