'Complex power' diaporamas de présentation

Chapter 11 AC Steady-State Power

Chapter 11 AC Steady-State Power. Matching Network for Maximum Power Transfer. Cellular Telephone. Design the matching network to transfer maximum power to the load where the load is the model of an antenna of a wireless communication system. George Westinghouse, 1846-1914.

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Electricity & Magnetism

Electricity & Magnetism. FE Review. Voltage. 1 V ? 1 J/C 1 J of work must be done to move a 1-C charge through a potential difference of 1V. Current. Power. Point Charge, Q. Experiences a force F =Q E in the presence of electric field E ( E is a vector with units volts/meter)

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Chapter 11 AC Power Analysis

Chapter 11 AC Power Analysis. Chapter Objectives: Know the difference between instantaneous power and average power Learn the AC version of maximum power transfer theorem Learn about the concepts of effective or Rms value Learn about the complex power, apparent power and power factor

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Introduction to Power System Analysis

Introduction to Power System Analysis. ET2105 Electrical Power System Essentials. Prof. Lou van der Sluis. Test (1). The average power of the instantaneous power dissipated in an AC circuit is called Complex power S Apparent power |S| Active power P Reactive power Q. Test (2).

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Bruce Mayer, PE Registered Electrical & Mechanical Engineer BMayer@ChabotCollege

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Chapter 11 AC Power Analysis

Chapter 11 AC Power Analysis. Chapter Objectives: Know the difference between instantaneous power and average power Learn the AC version of maximum power transfer theorem Learn about the concepts of effective or Rms value Learn about the complex power, apparent power and power factor

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Prof. David R. Jackson ECE Dept.

ECE 6341. Spring 2014. Prof. David R. Jackson ECE Dept. Notes 17. Radiation From Aperture in Cylinder. z. (radiating aperture ). y. x. Note: The factor of 2 ? is added for convenience. Aperture in Cylinder (cont.). From the TM z / TE z Tables:. Hence, on the aperture we have.

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AC Power

AC Power. Dr. Holbert April 9, 2008. Constant Term. Wave of Twice Original Frequency. Instantaneous Power: p ( t ). For AC circuits, the voltage and current are v ( t ) = V M cos( ? t +? v ) i ( t ) = I M cos( ? t +? i ) The instantaneous power is simply their product

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POWER AND POWER FACTOR

POWER AND POWER FACTOR. Impedance (Ohm). Impedance is a ratio between voltage and current Unit of impendance is Ohm and simbolized by Z. Series Impedance Pararel Impedance. The Operation is same with Resistant. Resistance. The angle between current and voltage are in phase. Inductance.

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Yangon Technological University Department of Electronic Engineering & Information Technology Video Conferencing on EcE 1011 ( EC + McE ) for A.G.T.I Yr I presented by Daw ThidaThan Lecturer EC Dept. Y.T.U.

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Steady-State AC Power

i(t). + v(t) -. p(t) = v(t)i(t). Specifically, if v(t) and i(t) are sinusoids, the power, p(t), will also be a sinusoid:. Using the trig identity:. We can write:. Steady-State AC Power.

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Lecture 32

Lecture 32. Review: AC power analysis Average power, complex power, power triangles RMS values Power factor Power factor correction Related educational materials: Chapter 12.5, 12.6. AC power analysis. Average power: Average power in terms of RMS (or effective) values: Complex power:.

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Lecture 32

Lecture 32. Review: AC power analysis Average power, complex power, power triangles RMS values Power factor Power factor correction Related educational materials: Chapter 12.5, 12.6. AC power analysis. Average power: Average power in terms of RMS (or effective) values: Complex power:.

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Prof. David R. Jackson Dept. of ECE

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Circuits II EE221 Unit 4 Instructor: Kevin D. Donohue

Circuits II EE221 Unit 4 Instructor: Kevin D. Donohue. Complex Power, Power Conservation, Power Factor Correction, and Applications. Complex Power. Complex power represents its real and reactive components. Let the sinusoidal voltage and current in a load be denoted by:

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ENERGY CONVERSION ONE (Course 25741)

ENERGY CONVERSION ONE (Course 25741). CHAPTER FIVE SYNCHRONOUS GENERATOR- CAPBILITY CURVE . SYNCHRONOUS GENERATOR. A capability diagram is a plot of complex power S=P+jQ its curve can be derived back from voltage phasor diagram of the Syn. Gen. SYNCHRONOUS GENERATOR.

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Exam II Review: AC Power

Exam II Review: AC Power. Average power. rms value. The average ac power ( P av ) is the power dissipated on the load resistor. 0 ? cos q ?1, dependent on the complex load. ideal power factor: cos q =1, Z=R, pure resistive load. Review cont.: Complex Power.

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AC Power Chapter 11 INEL 4075 Dr. Sandra Cruz-Pol Professor Electrical Engineering UPRM

AC Power Chapter 11 INEL 4075 Dr. Sandra Cruz-Pol Professor Electrical Engineering UPRM. AC steady-state Power. Electric complex power Effective values Power factor Coupled inductors Ideal Transformer. Coupled inductors;.

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SEE 3433 MESIN ELEKTRIK

SEE 3433 MESIN ELEKTRIK. SYNCHRONOUS MACHINES Power and Torque Characteristics. jX s. R a. + V t ?. I a. + E f ?. This gives :. Active power. Reactive power. Power and Torque Characteristics. Let V t = V t ?0 o. E f = E f ?? o. Complex power is given by:.

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