{ "item_title" : "Electrical Machines and Drives Handbook", "item_author" : [" Larry Bonk "], "item_description" : "A VFD fault can stop production in seconds. The difference between guessing at a repair and proving the cause is understanding how the machine, drive, and load work together. Are nuisance overcurrent and overvoltage trips consuming valuable production time?Do FOC, d-q axes, PMSM motors, and sensorless vector control seem unnecessarily complicated?Are motor calculations, commissioning decisions, and energy-saving estimates harder to justify than they should be? Written by Larry Bonk, Electrical Machines and Drives Handbook bridges the gap between engineering theory and practical fieldwork. Its structured progression connects machine physics, motor characteristics, VFD power electronics, modern control methods, equipment selection, commissioning, and troubleshooting. Step-by-step calculations, practical examples, checklists, and reference material help readers understand not only what to do, but why it works.Discover 15 Practical SkillsMotor Physics: Torque, speed, power, flux, and efficiency.Induction Motors: Slip, starting, and torque-speed curves.Nameplate Analysis: Interpret ratings and equivalent circuits.Modern Motor Types: PMSM, servo, BLDC, and more.VFD Fundamentals: Rectifiers, DC buses, and inverters.Drive Control: V/Hz, vector control, FOC, and DTC.Advanced Concepts: d-q axes, flux weakening, and current loops.System Selection: Match motors and drives to loads.Parameter Setup: Translate nameplate data and configure auto-tune.Commissioning: Grounding, braking, protection, and verification.Structured Troubleshooting: Follow symptom → cause → test → corrective action.Fault Diagnosis: Investigate OV/OC trips, ground faults, and overheating.Hidden VFD Problems: Bearing currents, reflected waves, harmonics, and EMC.Energy Efficiency: Calculate fan and pump savings and lifecycle costs.FE/PE Preparation: Review essential formulas and worked calculations. Neither a dense academic textbook nor a collection of disconnected quick fixes is enough. This handbook connects practical explanations with engineering depth, introducing mathematics when it helps solve a problem. Its structured approach supports experienced technicians, maintenance electricians, controls engineers, students, and professionals developing modern motor-drive expertise. If you want to understand modern motor-control systems, then strengthen your knowledge with its practical explanations and worked examples.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/9/79/816/145/9798161452608_b.jpg", "price_data" : { "retail_price" : "119.10", "online_price" : "119.10", "our_price" : "119.10", "club_price" : "119.10", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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