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IMPEDENCE - SOURCE INVERTER FOR MOTOR DRIVES
Traditional Source Inverters
Voltage Source Inverter.
Current Source Inverter.
Voltage Source Inverter
Problems
This inverter can be used only for Buck operation.
For application where the required output voltage is high, an additional dc-dc boost converter is needed to obtain a desired ac output.
This inverter does not have ability to provide ride-through during voltage sags .
additional power converter stage increases system cost and lowers efficiency. ....etc

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abstract
This paper investigates the kinematics of an adjustable six-bar linkage where the rotation
of the input crank is converted into the oscillation of the output link. This single-degree-of
freedom planar linkage will be used as a variable-speed transmission mechanism where
the input crank rotates at a constant speed and the output page link consists of an overrunning
clutch mounted on the output shaft. The analysis uses a novel technique in which kinematic
coefficients are obtained with respect to an independent variable. Th ....etc

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Abstract
This paper presents a Z-source inverter system and control for general-purpose motor drives. The Z-source inverter system employs a unique LC network in the dc page link and a small capacitor on the ac side of the diode front end. By controlling the shoot-through duty cycle, the Z-source can produce any desired output ac voltage, even greater than the line voltage. As a result, the new Z-source inverter system provides ride-through capability duringvoltage sags, reduces line harmonics, improves power factor and reliability, an ....etc

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CHAIN DRIVES IN LOW TORQUE DRIVES AND REDUCING PULSATIONS
INTRODUCTION TO DRIVES

Mechanical components used for power transmission.It may be belt, chain or gear depending on engine design parameters like - Distance between crankshaft and camshaft, engine maximum speed, engine-torque and engine construction cost.- Power transmission is done from one shaft to another shaft which may or may not rotate at same spe ....etc

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ADJUSTABLE CIRCUIT BREAKER
INTRODUCTION
OBJECTIVE OF THE PROJECT:
In a circuit breaker there will be some reference value for which it has to be tripped. But in this ADJUSTABLE CIRCUIT BREAKER we can change the reference value in certain limit this limit depends on the interest of manufacturer.
That is in this project we are developing a circuit breaker in which the tripping current can be varied here in this project it is fixed between 0.1 A to 1 A.
Circuit Breakers:
A circuit ....etc

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difference between chopper fed drives and converter fed drives pdf ....etc

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