procedure to the method without using graph ....etc

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A New Induction Motor V/f Control Method Capable of High-Performance Regulation at Low Speeds
Abstract
A novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency is presented. The control scheme is based on the popular constant volts per hertz (V/f) method using low-cost open-loop current sensors. Only stator current measurements are needed to compensate for both stator resistance drop and slip frequency. The scheme proposed fully compen ....etc

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related information of Automatic voltage regulation of alternator ....etc

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Abstract
In this paper, the mathematical model of
STATCOM based on space vector theory is presented. The
voltage equations are transformed into the synchronous rotating
reference frame (dq-axis). The relationship between STATCOM
parameters and stability, transient and steady state
performances are determined. Stability investigation with Routh-
Hurwitz criterion indicates that the STATCOM is a stable
system and the numerical values of resistors, inductors and
capacitors in the STATCOM equivalent circuit have no effect on
stabi ....etc

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presented by:
J.Chaithanya Bharathi
A.L.Harika
P.Divya Sree


ABSTRACT
The performance of any machine can be analyzed with reference to parameters like power factor, total harmonic distortion, voltage regulation, etc. These parameters alter when a machine is subjected to different loads. Depending on the load connected to the system, the voltage and current waveforms are varied. Due to the effect of harmonics, distortion of waveforms from sinusoidal to non sinusoidal is c ....etc

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want 2 knw abt automatic voltage regulation
....etc

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. Automatic voltage regulation of alternator used in UKAI PP ....etc

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Efficient Voltage Regulation for Stand Alone Photovoltaic Cell using PI Controller for AC Voltage Application
Abstract— This paper focuses on the renewable energy system PV (Photo Voltaic) Cell in stand alone model. The system consisting of solar PV cell, DC-DC Boost converter, and inverter coupled to the load system. An 18V photovoltaic cell and a DC-DC boost converter is designed for the purpose of boosting the PV cell output voltage. The advantage of using the proposed DC-DC converters are only one sensor is required, high ....etc

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Based on closed form expressions for the power frequency voltages and currents in a typical distribution network, the voltage regulation VR at any time point during the day could be evaluated. It will depend primarily on the network configuration, the daily load curve, the load density and its power factor as well as level of the reactive power compensation.

The computed at a certain time?t? can give a useful indicator for the voltage constancy over the network at that time point. The concept of ?Global Voltage Regulation? is introduced. Th ....etc

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Automatic Voltage regulation technology
Introduction
Excitation system
Automatic voltage regulator
1.Excitation system
What is excitation system ?
Perpose of excitation system.
Type of excitation system
Conventional DC system.
Brushless excitation system.
AC excitation system with noncontrolled diode rectifier.
Alternative excitation system with stationary controlled thyristos rectifier.
Voltage source controlled exciter.
Compound source controlled exciter.
1.Conventional DC system
....etc

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