Industry News
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Why do we need differential protection on high voltage motors?
Motor differential protection represents a fundamental safety mechanism, predominantly deployed in the context of medium and large motors operating within high-voltage grids. This protection scheme is of critical importance in ensuring the reliability and efficiency of motor operation, as it refl...Read More -
Why do motor lead wires have heating problems?
Currently, three phase induction ac motor lead wires represent a crucial element of the electrical configuration of the motor product, encompassing the domains of electrical insulation and conductive issues. Theoretically, provided that the current density selection and installation are in accord...Read More -
Wolong Nanyang Explosion Protection: What is the procedure for maintaining and overhauling the current transformer (CT)?
(A) After installing the CT for the explosion-proof induction motor, it is essential to conduct regular inspections of the current transformer (CT). These inspections should include a visual examination, wiring assessment, and insulation resistance measurement. The visual inspection is crucial to...Read More -
Wolong Nanyang Explosion Protection: What should you pay attention to when installing and using current transformers（CT）?
It is essential to consider a number of key factors when installing and using current transformers (CTs) in order to guarantee optimal performance and safety. The location of the current transformer should be selected based on the specific measurement and protection requirements. It is therefore ...Read More -
The impact of rotor serrations on motor performance
In the world of three phase electric motors, the design and condition of the rotor play a vital role in overall performance. An important aspect to consider is the presence of serrations or twists in the rotor slots, especially when comparing slotted rotors to closed slot rotors. For slotted roto...Read More -
How to detect the dielectric loss of motor windings?
Detecting dielectric losses in three phase motor windings is critical to ensuring the reliability and life of AC high-voltage motors. An effective method for this measurement is to use a Xilin bridge, a specialized instrument designed for evaluating dielectric properties. The dielectric loss tang...Read More -
Understand the causes of bearing problems: focus on overheating, corrosion, loose cages and fatigue spalling
Three phase motor bearings are critical components in machinery, ensuring smooth operation and reducing friction. However, they are susceptible to various problems that can lead to premature failure. Understanding the causes of these problems is critical to effectively maintaining your equipment ...Read More -
How to choose vertical motor bearings: focus on deep groove ball bearings
When selecting bearings for a three phase vertical motor, one of the most critical factors to consider is the type of bearing that can effectively handle radial and axial loads. Deep groove ball bearings are often the first choice due to their versatility and strong performance characteristics. U...Read More -
Understanding Shaft Break Quality Issues in Wound Rotor Motors: The Role of Critical Locations
In the world of three phase electric motors, especially wound rotor motors, shaft integrity is critical. A damaged shaft can cause catastrophic failure, resulting in costly downtime and repairs. To mitigate these risks, it is important to understand the various locations within the motor that may...Read More -
Insulated bearings: the nemesis of motor shaft current
In the field of three phase electric motors, the challenge of motor shaft current is a matter of concern. This phenomenon can lead to premature wear and damage to motor components, especially bearings. Fortunately, insulated bearings have emerged as a powerful solution to this problem, effectivel...Read More -
What’s the Vertical Motor Bearing Options?
For three phase vertical motors, bearing selection is critical due to the unique operating requirements they face. Unlike horizontal motors, which mainly use deep groove ball bearings, vertical motors must be equipped with bearings that can withstand large axial forces. This is critical because v...Read More -
The problem can be solved by using closed slot for the cast aluminum rotor of the motor
With the continuous pursuit of motor efficiency, closed-slot rotors are gradually recognized by motor manufacturers. For three-phase asynchronous motor, pulse vibration loss occurs when rotating due to the existence of stator and rotor tooth slots. If the rotor adopts a closed slot, the effective...Read More
