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E23-M Advanced AC CircuitsBuy Product Online | Visit Store Home |
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Other Items from Electronics Electrician's Technical Reference -- Industrial Electronics covers components most used in heavy industry, such as silicon control rectifiers, triacs and more, and includes examples of common rectifiers and phase-shifting circuits. This is the perfect guidebook for anybody in the field of plant maintenance and troubleshooting. This series of technical reference books is designed to provide the electrician, electrical contractor, industrial maintenance technician, and other electrical workers with a source of reference information about virtually all of the electrical topics that they encounter. Each topic is written by an expert in that subject matter. The modular format makes this a practical reference, and the volumes are kept to a very concise and easy-to-reference size. This series is sure to answer all of the electrical questions one might encounter on the job. Information not found in any other source makes all other electrical handbooks obsolete! This comprehensive series contains everything you will need to know. The series is divided into topic-specific volumes for easy reference Semiconductors. Diodes. Rectifiers and Filters. Transistors. Current Generators. Thyristors. Methods of AC Voltage Control. Harmonics. Frequency Filters. Solid-State Relay. Oscillators. The 555 Timer. The Operational Amplifier. Voltage Regulators. Digital Logic. Measuring Instruments. Index. The variable frequency drive industry is growing rapidly, and it is now more important than ever for technicians and maintenance personnel to keep VFD installations running smoothly! Part of the Electrician's Technical Reference Series, this field guide is ideal for gaining access to information about variable frequency drives, including how they work, how to apply them, and how to troubleshoot them. A hands-on reference, Variable Frequency Drives contains sufficient information for a technician to troubleshoot any AC variable frequency drive, virtually eliminating the need for manufacturer-specific manuals! Both industrial and commercial variable frequency drive applications are addressed, with discussion of installation issues, troubleshooting, metering, sizing and selection, energy savings with variable frequency drives, and more. A final chapter preps readers for future developments in variable frequency drive technology, while appendices feature addresses of relevant organizations and a bibliography of suggested readings. Troubleshooting trees are included to guide technicians logically through the steps required for successful variable frequency drive repairs Speed, torque and horsepower formulas and tables present basic concepts of electricity and power transmission as they relate to VFDs. Examples of how to draw conclusions from minimal field and motor data are provided. Straightforward discussion aimed at addressing the maintenance of VFDs, harmonic distortion, premature failures, and long cable lengths is featured. Durable hardcover makes it easy to take Variable Frequency Drives into the field. Dedication. Introduction. Chapter 1- Variable Speed Drive Types: Speed Control, Pressure, Temperature, and Flow Control, Process Control and Automation, Traditional Variable Speed Systems, Solid State Variable Speed Controllers. Chapter 2- Electrical and Power transmission Basics: Electricity and Power Transmission, Speed, Torque, Horsepower, Power Factor, Capacitors, Inductors, Semiconductors, Frequency Bands. Chapter 3- AC Induction motor and Variable Frequency Drive Basics: AC Induction Motor Theory, AC Motor Construction, Inverter Duty Motor - NEMA MG-31, Using Nameplate and Motor Data, VFD Theory of Operation, Pulse Width Modulation, Volts Per Hertz, VFD Types: Variable Voltage (VVI), Voltage Source (VSI), Current Source (CSI), Flux Vector, Sensorless Vector, Direct Torque Control, Field Oriented Control. Chapter 4- Installation Issues Concerning Variable Frequency Drives: Control and power Wiring Methods, Harmonic Distortion/Power Quality, Overvoltage Reflection, Shaft Voltage's and Bearing Currents, Carrier Frequency, EMI and RFI, Heat Dissipation and Enclosures. Chapter 5- Troubleshooting of Variable Frequency Drives: Proper Setup, Fault Handling, Diagnostics, troubleshooting Trees, Maintenance. Chapter 6- Metering of VFD's: Input Waveforms, Harmonic Analysis, DC Bus, Output Voltage, Output Waveform, Power Module Testing. Chapter 7- Sizing and Selection of VFD's: Ambient Conditions, Constant vs. Variable Torque, High Starting Torque, Multiple Motors, Closed Loop and High Performance. Chapter 8- Industrial and Commercial VFD Applications: HVAC Systems: Return and Supply Fans, Boilers, Chiller Pumps, Setpoint (PID) Control. Process Control, Automated Systems, Machines. Chapter 9- Energy Savings with Variable Frequency Drives: Efficiency, Affinity Laws, EPACT, Fan and Pump Curves. Chapter 10- Future Variable Frequency Drives: Faster Switching Transistors, 12 and 24 Pulse systems, New Technologies, Applications. Appendices: Useful Formulas, Organization Addresses, Applications. Bibliography and Suggested Further Reading. Index.
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