Recently, Shanghai Electric Machinery Co., Ltd., a subsidiary of Shanghai Electric Group, officially issued an authorization certificate to Shaanxi Motuo Shang Electrical Drive Tec

How to size the motor for a fan? Fan motor power formula (flow x pressure / efficiency x service factor), coefficients by fan type and three matching checks.

Why is my motor overheating? Eight causes - overload, voltage unbalance, cooling, bearings and more - with a fault table and a 3-step temperature check.

Why does my motor keep tripping? Five trip causes - short circuit, overload, thermal relay, earth leakage and VFD fault - with a fault table and 3-step diagnosis.

Why are permanent magnet motors more efficient than induction motors? Rotor loss, savings by application, ROI example and when to switch - a practical PMSM guide.

What motor does a mine crusher need? Torque, power, speed, enclosure and starting method - a practical selection guide for mining crusher motors.

Motor preventive maintenance in 10 checklist points: temperature, current, insulation, lubrication and more - with inspection frequency, safety notes and a stop-and-repair guide.

How to size a pump motor in 3 steps: shaft power formula, safety margin table and a worked example, plus starting, VFD and derating notes for plant engineers.