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Technická znalostní báze o motorech, měničích a pohonných technologiích.
11 článků k dispozici
Operating principles, efficiency classes, motor selection, and maintenance of industrial electric motors.
The Workhorse of Industry
Permanent magnet motors are the efficiency champions of modern industrial drives—delivering 92–97 % efficiency (IE4–IE5), 50 % less weight, and energy paybacks of 1–3 years. This comprehensive kWiki guide covers PMSM types, magnet materials, VFD control methods, demagnetization prevention, real-world applications, and full TCO calculations comparing PM vs. induction motors.
Servo motors are the precision champions of industrial automation—delivering closed-loop position control accurate to ±0.005°, consistent torque across 0–6,000+ RPM, and sub-millisecond response times. This comprehensive kWiki guide covers FOC control, AC vs. DC types, encoder technology, sizing calculations, PID tuning, troubleshooting, and real-world applications in robotics, CNC, packaging, and medical equipment.
Gearboxes, couplings, bearings, and mechanical power transmission fundamentals.
Industrial gearboxes are the unsung heroes of motion control — silently converting the high-speed, low-torque output of electric motors into the low-speed, high-torque muscle that drives conveyors, crushers, mixers, and robotics. This comprehensive kWiki guide covers gear arrangements (spur, helical, bevel, worm, planetary), gearbox types, IEC mounting standards, gear ratio calculations, service factor sizing, and the critical Gearbox vs. VFD vs. Direct Drive trade-off decision.
Shaft couplings are the critical link between motors, gearboxes, and driven machines — connecting rotating shafts while managing misalignment, absorbing vibration, and protecting equipment from shock loads. This comprehensive kWiki guide covers all coupling families: rigid (sleeve, flange, clamp), flexible (jaw, disc, gear, grid, Oldham), fluid couplings, and belt drives, including misalignment types, service factor sizing, installation best practices, and a clear selection framework.
Frequency inverters, softstarters, PLCs, and electronic motor control systems.
The Smart Way to Control Your Motors
Softstarters are the smart middle ground between brute-force DOL starting and full variable frequency drives—reducing motor starting current by 50–70%, eliminating mechanical shock, and extending equipment life, all at a fraction of VFD cost. This comprehensive kWiki guide covers thyristor phase-angle control, two-phase vs. three-phase topologies, inline vs. inside-delta wiring, bypass contactors, sizing rules, DOL vs. softstarter vs. VFD comparison, and installation best practices.
Sensors, instrumentation, SCADA systems, and industrial automation technologies.
PLCs and HMIs are the brain and eyes of modern industrial automation — replacing thousands of relays with a single programmable device and giving operators real-time visibility into every process. This kWiki beginner's guide covers the full story: history from relay logic to the first Modicon PLC, the IEC 61131-3 programming languages (Ladder Logic, FBD, Structured Text), major PLC brands (Siemens, Allen-Bradley, Schneider, Mitsubishi), HMI types, sensors, actuators, communication protocols, and a complete practical conveyor control example.
Process instrumentation is the sensory system of every industrial plant — measuring temperature, pressure, flow, and level so that control systems can keep processes safe, efficient, and consistent. This kWiki beginner's guide covers all the essentials: thermocouple vs RTD vs thermistor comparison, gauge vs absolute vs differential pressure, the six major flow meter technologies (electromagnetic, Coriolis, vortex, ultrasonic, turbine, orifice), level measurement methods, the universal 4-20 mA standard, HART transmitters, control valves, calibration, and common instrumentation mistakes.
Getting started with electric drives — basic concepts, terminology, and practical tips for beginners.
This is a foundational guide referenced throughout kWiki. If you've ever wondered "What's the difference between a gearbox and a VFD?" or "Why can't I just speed up my motor?", start here.
Motors, VFDs, and gearboxes aren't delicate flowers—but they DO care about their environment. Install them in the wrong conditions, and you'll face premature failures, derating, or safety hazards.