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A Detailed Guide to Testing the Start and End Terminals of Three-Phase AC Motors (From Beginner to Expert)

A Detailed Guide to Testing the Start and End Terminals of Three-Phase AC Motors (From Beginner to Expert)

In modern industry, three-phase AC motors are widely used in a variety of mechanical equipment. However, during operation, we inevitably encounter situations where motors get damaged. To quickly and accurately determine the cause of motor damage, it’s essential to perform a test on the motor’s lead ends. Below, we’ll provide a detailed introduction to the methods for testing the lead ends of three-phase AC motors, guiding you from beginner to expert level.

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2023

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09

How do you determine whether a two-speed motor is good or bad? The method is here.

How do you determine whether a two-speed motor is good or bad? The method is here.

A dual-speed motor is a common type of electric motor that offers two distinct speeds, allowing it to adapt to various working conditions and requirements. But how can you determine whether a dual-speed motor is good or not? Below, we’ll share several tips for your reference.

10

2023

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09

How to Reverse the Centrifugal Switch in a Single-Phase Motor (Solving the Problem of Reversing the Centrifugal Switch in a Single-Phase Motor)

How to Reverse the Centrifugal Switch in a Single-Phase Motor (Solving the Problem of Reversing the Centrifugal Switch in a Single-Phase Motor)

The forward and reverse rotation of a single-phase motor is determined by the power supply wiring. If the power supply wiring is incorrect, it can cause the single-phase motor to rotate in the opposite direction. Therefore, the first step is to check whether the power supply wiring is correct. The correct power supply wiring should connect the live wire from the power source to the L terminal in the single-phase motor’s junction box, the neutral wire to the N terminal, and the ground wire to the PE terminal.

10

2023

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09

Little tips for maintaining the machine base!

Little tips for maintaining the machine base!

The machine base is the fundamental component of mechanical equipment and directly affects its operational stability and service life. To ensure the machine base remains in good condition, here are some simple tips for its maintenance.

30

2023

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08

What should I do if the enclosure of an explosion-proof motor experiences leakage or live wire faults?

What should I do if the enclosure of an explosion-proof motor experiences leakage or live wire faults?

Electrical products sometimes inevitably encounter issues such as leakage current or electrical charge. Explosion-proof motors can also exhibit these problems, typically occurring in the motor’s outer casing. So what causes these faults, and how should they be addressed and resolved?

30

2023

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08

What is the lowest temperature at which the motor can be used?

What is the lowest temperature at which the motor can be used?

Motors are widely used and serve as the primary source of power in mechanical equipment. However, their performance is also affected by temperature. So today, let’s discuss: What is the lowest temperature at which a motor can operate?

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2023

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