DEFINE | Management Consultancy & Training

VARIABLE SPEED DRIVES

Location

London, UK

Date

From Date: 04-Mar-2024
To Date: 08-Mar-2024

Duration

5 Days

Language

English

Discipline

ELECTRICAL & POWER ENGINEERING

Introduction

Objective

This course is designed to the participants:

To understand the basic of VSD.
To understand the basics of converter.
To understand the basics of inverters.
To understand the installation, troubleshooting, commissioning and troubleshooting.
To understand the needs of variable speed drives.
Match the speed of the drives to process speed requirements.
To Match the torque of a drive to the process torque requirement.
To save energy and improve efficiency

Audience

Electricians, technicians and engineers with an interest in operation and installation and troubleshoot of variable speed drives.

Content

Introduction to induction motors its theory .
AC motor speed control
Stator voltage control
Frequency control
Rotor resistances control
Pole changes
AC TO DC converters.
DC TO DC converters.
DC TO AC converters or inverters.
Cyclo converter
Power electronic components.
Electronic switch
Power diodes and thyristos.
Fields controlled thyristors FCT.
Power bipolar junction transistor BJT AND IJBT.
Main components of various types of vsd.
Single phase pulse width modulation(pwm) inverter.

• Variation of frequency and voltage with sinusoida pwm.

Three phase inverter.
VSD over hall protection and diagnostics.
Parameters and fault diagnostics.
VSD protection.
DE-RATING for high temperature and high altitude.
General safety recommendation.
POWER SUPPLY CABLE.
Cables between converter and motor.
Control cable.
Earthing requirements.
Precaution for start/stop of AC drivers.
Remote operation of vsd.
Commissioning of vsd& purpose of commissioning.
Maximum speed.
Minimum speed.
Current limit.
Rated current of the motor.
Acceleration Time.
Deceleration Time.
Starting Torque Boost.
Harmonic and effect on net work ,electric equipment .
Circulating current and its effect on motor bearing.
Capacitive discharge current.
Speed measurement transducer.

NOTE:

Pre & Post Tests will be conducted.

Case Studies, Group Exercises, Group Discussions, Last Day Review &Assessments will

be carried out.

Certificate

Define Management Consultancy & Training Certificate of course completion will be issued to all attendees.

Methodology

A highly interactive combination of lectures and discussion sessions will be managed to maximize the amount and quality of information and knowledge transfer. The sessions will start by raising the most relevant questions, and motivate everybody find the right answers. You will also be encouraged to raise your own questions and to share in the development of the right answers using your own analysis and experiences. Tests of multiple-choice type will be made available on daily basis to examine the effectiveness of delivering the course.

All presentations are made in excellent colorful power point. Very useful Course Materials will be given.

30% Lectures
30% Workshops and work presentation
20% Group Work& Practical Exercises
20% Videos& General Discussions

Course Details