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23.02.2012, 05:05

Main » MARINE ELECTRICS

MARITIME ELECTRICAL INSTALLATIONS AND DIESEL ELECTRIC PROPULSION

Author(s)	Alf Kare Adnanes
Publisher	ABB AS
Date	2003
Pages	86
Format	pdf
Size	2.4 Mb

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This tutorial report is written to give an overview of application and solutions, as well as an introduction to components used in vessels with electric propulsion.

Category: MARINE ELECTRICS | | Date: 03.07.2011 | Comments (0)

A STUDY GUIDE TO SERVO AND STEPPER MOTOR CONTROLS

Author(s)	Tel-a-Train
Publisher	PRIMEDIA Workplace Learning
Date	1994
Pages	44
Format	pdf
Size	1.4 Mb

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Trainees who complete this program will be able to:

- differentiate between closed-loop and open-loop positioning and explain how each technique works;

- describe how servo and stepper motor control systems achieve precision;

- describe the general operating principles or servo motors and stepper motors;

- identify and explain the function of the major parts of a DC servo motor controller, an AC servo motor contoller and a stepper motor controller;

- name and explain common fault indications provided by servo and stepper motor controllers;

- describe conditions in servo and stepper motor control systems which may lead to operating problems, then recommend and implement procedures that may prevent the problems from occurring or recurring.

Category: MARINE ELECTRICS | | Date: 26.06.2011 | Comments (0)

A STUDY GUIDE TO DC MOTOR CONTROLS

Author(s)	Tel-a-Train
Publisher	PRIMEDIA Workplace Learning
Date	1994
Pages	38
Format	pdf
Size	1.1 Mb

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Trainees who complete this program will be able to:

- identify and explain the operation of several types of DC motors;

- explain how an solid state DC controllerl regulates the speed of a DC motor;

- explain the basic operation of a phase-controlled rectifier bridge and a DC chopper;

- explain the different ways in which braking may be achieved in a solid state DC controll system;

- describe conditions in solid state DC motor control systems which may lead to operating problems, then recommend and implement procedures that may prevent the problems from occurring or recurring.

Category: MARINE ELECTRICS | | Date: 24.06.2011 | Comments (1)

A STUDY GUIDE TO AC INVERTERS

Author(s)	Tel-a-Train
Publisher	PRIMEDIA Workplace Learning
Date	1994
Pages	39
Format	pdf
Size	1.2 Mb

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Trainees who complete this program will be able to:

- name and explain the function of the three major parts of the power section of AC inverter;

- explain how an AC inverter controls the speed and torque of an induction motor;

- explain the major differences between a PWM inverter and six-step inverter;

- describe and AC inverter can be programmed to match the requirements of a specific application;

- describe conditions in an AC inverter system which may lead to operating problems, then recommend and implement procedures that may prevent the problems from occurring and recurring.

Category: MARINE ELECTRICS | | Date: 18.06.2011 | Comments (0)