Brief Introduction

The YKK-500-2 speed regulation motor addresses critical partial discharge (PD) risks in high-voltage windings through precision insulation engineering. Its corona-resistant system suppresses PD inception below 5.5kV by controlling hazardous air gaps (0.05–0.5mm) within stator slots. This motor employs F-class vacuum pressure impregnation (VPI) to eliminate voids in groundwall insulation, while mica-sandwiched turn insulation withstands steep-fronted voltage surges during variable-frequency operation. Critical design innovations include:

Reinforced first-coil insulation (>50% voltage stress tolerance)

Self-adhesive magnet wire with anti-cracking thermal elasticity

Slot fill optimization minimizing mechanical voids

For inverter-driven applications, the winding structure counters high-frequency PD erosion through graded conductive coatings and stress-grading tapes. Rigorous quality control ensures:

Turn-to-turn withstand at 3× rated voltage (IEC 60034-18-41)

Void-free encapsulation via robotic VPI cycles

Thinned-but-reliable insulation for enhanced heat dissipation

The motor's corona suppression extends service life under PWM-induced voltage spikes, making it ideal for >6kV industrial drives requiring stable speed control. Proactive PD monitoring terminals enable real-time dielectric health assessment, while optimized electromagnetic design maintains torque linearity across 10:1 speed ranges without compromising insulation integrity. For inverter-driven applications, the winding structure counters high-frequency PD erosion through graded conductive coatings and stress-grading tapes.

Rigorous quality control ensures: Turn-to-turn withstand at 3× rated voltage (IEC 60034-18-41);  Void-free encapsulation via robotic VPI cycles; Thinned-but-reliable insulation for enhanced heat dissipation. The speed regulation motor's corona suppression extends service life under PWM-induced voltage spikes, making it ideal for >6kV industrial drives requiring stable speed control. Proactive PD monitoring terminals enable real-time dielectric health assessment, while optimized electromagnetic design maintains torque linearity across 10:1 speed ranges without compromising insulation integrity.

Main Technical Parameters

Why choose Simo Brand YKK series of Motor?

Simo YKK series of high voltage electric AC motor is three phase squirrel cage totally enclosed asynchronous motor. As the best seller in Simo products system, YKK IP55 HV Motor has the advantages of high efficiency and energy saving. And although it has high power, the noise and vibration are not very strong. The features of light weight and easy maintenance make it well received by many customers at home and abroad.