Variable Frequency Drives Explained VFD basics. In this video we take a look at variable frequency drives to understand how they work in electrical engineering and power electronics. We look at where and why to use a VFD or VSD, alternating current, direct current, single phase, three phase, frequency, rectifier, DC bus, inverter, capacitor, pwm, pulse width modulation.

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How electricity works:    • How ELECTRICITY works  working princ...  
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How Inverters work:    • How Inverters Work  Working principl...  
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❄ CHILLER ENGINEERING ❄
Chiller Efficiency improvements:    • Chiller Efficiency Improvements hvac ...  
Chilled water schematics:    • Chilled Water Schematics  How to rea...  
Chiller crash course:    • Essential Chiller Terminology HVAC de...  
Chiller types:    • Chiller Types and Application Guide ...  
Chillers/AHU/RTU:    • How Chiller, AHU, RTU work  working ...  
Water cooled chiller Part1:    • Chiller Basics  How they work  
Water cooled chiller Part2:    • Chiller Basics  How they work part 2  
Water cooled chiller advanced:    • How Chiller works  Design Data  
Air cooled chiller:    • Absorption Chiller, How it works  wo...  
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Chiller/Cooling tower/AHU:    • How a Chiller, Cooling Tower and Air ...  
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Chiller surge:    • Chiller  Surge  
Chiller condenser:    • Chillers  Condensers  

HVAC ENGINEERING
HVAC Basics:    • Fundamentals of HVAC  Basics of HVAC  
Boilers/AHU/FCU:    • How a boiler, fan coil unit, air hand...  
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CAV Systems:    • Constant Air Volume  CAV HVAC System  
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Pulley belt calculations:    • Pulley Belt CALCULATIONS  Belt lengt...  
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Fan and motor calculations:    • Fan & motor CALCULATIONS, Pulley size...  
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Refrierant retrofit guide:    • Refrigerant Retrofit Guide  
Refrigerant types, future:    • Refrigerant Types, Issues and Future  
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HYDRONICS
Primary & Secondary system:    • HVAC Primary & secondary circuits  
Pumps:    • Centrifugal Pump How Does It Work  
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DATA CENTERS
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PHYSICS
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DOCUMENTARY
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