Enhanced Phase-Locked Loop Structures for Power and Energy by Masoud Karimi-Ghartema
By Masoud Karimi-Ghartema
Filling the distance available in the market devoted to PLL buildings for energy systems
Internationally well-known specialist Dr. Masoud Karimi-Ghartemani brings over 20 years of expertise operating with PLL buildings to Enhanced Phase-Locked Loop constructions for energy and effort Applications, the single e-book out there in particular devoted to PLL architectures as they practice to strength engineering. As expertise has grown and unfold to new units, PLL has elevated in importance for energy structures and the units that hook up with the ability grid. This e-book discusses the PLL buildings which are at once acceptable to energy structures utilizing easy language, making it simply digestible for a large viewers of engineers, technicians, and graduate students.
Enhanced phase-locked loop (EPLL) has develop into the main generally applied structure over the last decade, and plenty of books lack rationalization of the structural modifications among PLL and EPLL. This booklet discusses these ameliorations and in addition presents unique directions on utilizing EPLL for either single-phase purposes and three-phase purposes. The book’s significant subject matters include:
- A easy examine PLL and its typical structure
- A complete rationalization of EPLL
- EPLL extensions and modifications
- Digital implementation of EPLL
- Extensions of EPLL to three-phase structures
Dr. Karimi-Ghartemani presents uncomplicated research that is helping readers comprehend all the buildings awarded with out requiring advanced mathematical proofs. His publication is stuffed with illustrated examples and simulations that attach conception to the true global, making Enhanced Phase-Locked Loop buildings for strength and effort Applications a great reference for an individual operating with inverters, rectifiers, and comparable technologies.
Read Online or Download Enhanced Phase-Locked Loop Structures for Power and Energy Applications PDF
Best electric books
Operation and Control in Power Systems
In strength approach engineering, virtually all result of smooth keep an eye on concept will be utilized. Such an software will bring about a less expensive, less demanding and better provider caliber operation and in much less inconvenience with regards to irregular stipulations. For its analytical therapy, keep an eye on procedure layout as a rule calls for the choice of a mathematical version from which the keep watch over approach may be derived.
Power Electronics Applied to Industrial Systems and Transports, Volume 1: Synthetic Methodology to Converters and Components Technology
Strength electronics relies at the switching working mode of semiconductor parts. in this foundation, the ideas of kind (voltage or present) and reversibility of interconnected assets give the chance to use a strategy for the synthesis of varied forms of converters. the following the writer offers the foremost forms of parts on hand, constantly from a user’s viewpoint, directions for all times extension and improve of hydroelectric works to be used by means of proprietors, operators, regulators, and engineers contemplating infrastructure rehabilitation or substitute.
- Wind Turbine Technology
- Modelling and Control of Electric Power Plants. Proceedings of the IFAC Workshop, Como, Italy, 22–23 September 1983
- Crystalline Silicon Solar Cells
- Advanced Electric Drives: Analysis, Control, and Modeling Using MATLAB / Simulink
- The Essence of Power Electronics (Essence of Engineering)
- Ultra-Capacitors in Power Conversion Systems : Analysis, Modeling and Design in Theory and Practice
Extra resources for Enhanced Phase-Locked Loop Structures for Power and Energy Applications
Sample text
The amplitude dynamics is a ﬁrst-order dynamics with the time constant of τ = μ21 . A value of μ1 = 200, for example, corresponds to a time constant of 10 ms. • The phase/frequency dynamics is the same as the conventional PLL. Its modes are obtained from the characteristic equation 2 As compared to the analysis performed for PLL, we here have more justiﬁcation to neglect the double-frequency terms in this analysis for EPLL because they approach 0. 2 Responses of EPLL (and PLL) to input signal frequency jump of 50–60 Hz.
8. Choose Ui = 1, ωi = 120π , h0 = 400, and h1 = 20,000. Assume that a maximum peakto-peak ripple of 1◦ is allowed in the phase angle. a. Find the value of ωc analytically. b. Verify your answer by simulation. c. Based on the simulation, how long is the transient time of the system with this value of ωc ? 10 Pendulum system. 5 Consider the second-order LF of the form H(s) = h0 + hs1 + hs22 . a. Prove that a PLL with this LF can track the ramp variations of frequency with no steady state error. b.
2 = 0) and μ1 = μ3 . 5. 15) where ωn is a constant and e = u − y = u − Uo sinφo . 5 LTI-EPLL structure. LINEAR TIME INVARIANT EPLL μs Y(s) = 2 . 16) Proof : Deﬁne the change of coordinates y = Uo sinφo and y⊥ = −Uo cosφo . Then, the differential equations transform to ˙ o sinφo + Uo φ˙ o cosφo = μe sin2 φo + Uo (ωn + y˙ = U μe cosφo ) cosφo Uo = −ωn y⊥ + μe, ˙ o cosφo − Uo φ˙ o sinφo = μe sinφo cosφo − Uo (ωn + y˙ ⊥ = U μe cosφo ) sinφo Uo = ωn y. 17) applies to this system. The following transfer functions are then held: Y(s) μs , = 2 E(s) s + ωn2 Y(s) μs , = U(s) s2 + μs + ωn2 Y ⊥ (s) μωn .