- أماكن: Kurla - Mumbai أبوظبي دبي الدوحة جدة الرياض صلالة مدينة الكويت رأس الخيمة الدمام القُضيبية - المنامة
- مدة الدورة التدريبية: 3 Days
تفاصيل الدورة
Course PurposeThis valuable workshop will cover technical and policy /procedure topics related to management of motor systems including:
- Evaluation and selection of optimum motors for specific applications.
- Identify the components and principles of operation for the major types of motors
- Development and use of motor repair and rewind guidelines.
- Electric power system and management of power transmission and driven loads in relation to motor
- Operation and use.
- Measure winding insulation resistance
- Measure winding resistance in motors
- Remove end bells, rotor, and bearings from an motor
- Inspect and clean end bells and rotors
- Reinstall bearings
- Reassemble an motor as well as perform operational tests on it
COURSE OVERVIEW VFD
- Properly Matching A Drive to A Machine
- Choosing the Correct Motor
- Choosing the Best Type of Variable Frequency Drive (VFD)
- Identify & Correct Drive System Problems
- Identify & Test Major Drive Components
- Perform Start-Up of an AC Drive
- Program & Adjust the Drive for Desired Operation
INTRODUCTION
- Evolution of VFD Control
- Modern Types of Variable Frequency Drives (VFD)
Mechanical Theory
- Horsepower Defined
- Torque Defined
- Example Horsepower and Torque Calculations
- Common Types of Mechanical Loads
- Characteristics of Variable Torque and Constant Torque Loads
Basic VFD Electricity Theory
- Electrical/Hydraulic Circuit Analogy
- Resistance, Voltage, and Current Defined
PWM AC VFDs
- Common Types of PWM Drives
- Examination of the Main Power Circuit
- Electronic Component Identification The PWM Wave Form
- Voltage and Frequency Relationships and Effects on Motor Performance
- Control of Drive System Torque and Horsepower Output
- Torque Output Comparisons of AC Drives VS. Conventional Means of Speed Control
- Standing Wave (Reflective Wave) Phenomena on Motor Cables
- Disassembly of an AC Drive
- Component Identification
- Various Designs of Drives
- Reassemble, Test, Start-Up of AC Drive With Proper Techniques
- Hands-On Programming and Operation of an AC Drive and Motor
- Adjust Minimum and Maximum Speed
- Reset Drive to Factory Defaults
- Adjusting Torque Output
- General Drive Programming
- Methods of Speed and Torque Control
VFD Applications
- Methods of Proper Drive Selection
- Multi-Motor Drive Systems with Example Problem
- Using VFDs to Eliminate Geared Speed Reducers
- Effects of AC Drives on Geared Speed Reducers
- Replacing Mechanical Speed Changers with VFDs
الموقع
Electrical Engineering أسئلة ذات صلة
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