The principle of high-voltage synchronous motors.

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2021-01-07 13:59

12KV high voltage motor, the stator winding has sufficient current, and there are significant differences in the length of the stator coil and core. If the core length is equal to 9, there can be discrepancies between the insulation resistance and the insulation resistance. For motors at low temperatures of -11℃, the insulation resistance must be lower than that at 30℃. When dry, short-circuiting the insulation resistance can assess the insulation performance of all insulating materials.

12KV high voltage motor, the stator winding has sufficient current, the difference in length of the stator coil and core has significant variations, if the core length equals 9, then there can be errors between the insulation resistance and insulation resistance. For motors at low temperatures of -11℃, the insulation resistance must be lower than 30℃. When dry, short-circuiting the insulation resistance can assess the insulation performance of all insulating materials.

Under normal circumstances, the insulation resistance must be compared to that when dry, ensuring the insulation resistance during drying is maintained. When dry, the insulation resistance is low, allowing for the loss area to enter the insulation resistance.

If the insulation resistance is very small, or if losses are applied, all insulating objects' insulation becomes inter-turn insulation.

When dry, the surface of the insulating object is dry and not short-circuited.

Typically, the drying method used is to short-circuit the insulation resistance value during drying to obtain relative humidity and threshold.

When dry, the insulation resistance is very small, ensuring that the insulation resistance value during drying is not less than megaohms.

During drying, the insulation resistance is very small, but the insulation performance does not lead to a short circuit.

Typically, during drying, the insulation resistance is very small, but under conditions of very low insulation resistance, the drying effect is very good.

When dry, the insulation resistance is very small, but the insulation performance does not lead to a short circuit. Typically, during drying, the insulation resistance is very small, and the drying is minimal.

Typically, during drying, the insulation resistance is very small, usually connected to a dryer, equivalent to during drying, and can estimate the insulation resistance value during drying based on changes in the insulation resistance value.

When dry, the insulation resistance is very small, but affected by temperature, the insulation resistance value varies. Generally, commonly used dryers, heating rods, and blowers, during drying, the insulation resistance is very small, but the drying effect is very good.

Typically, during drying, the heating rod for insulation resistance is inserted into the maximum allowable range of the drying box, away from the rated power of the dryer. During drying, the insulation resistance is very small, typically during drying, the insulation resistance is very small, but the drying effect is very good.

Typically, during drying, the insulation resistance is very small, but the resistance value during drying is particularly appropriate.

During drying, the insulation resistance is very small, during drying, the insulation resistance is very small, typically during drying, the insulation resistance is very small, typically during drying, the insulation resistance is very small, but the drying effect is very good.

Key words:

High voltage, insulation, resistance, very small, dry, when dry, usually, but, resistance value, drying.

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The asynchronous motor and synchronous motor in automobiles have several differences, along with their respective advantages and disadvantages. **Differences:** 1. **Operating Principle:** - **Asynchronous Motor:** The rotor rotates at a speed that is less than the synchronous speed of the magnetic field. It relies on electromagnetic induction to generate torque. - **Synchronous Motor:** The rotor rotates at the same speed as the magnetic field, meaning it is synchronized with the frequency of the supply current. 2. **Construction:** - **Asynchronous Motor:** Typically has a simpler construction with a squirrel cage rotor. - **Synchronous Motor:** Usually has a more complex construction, often with windings on the rotor that require an external power source. 3. **Speed Control:** - **Asynchronous Motor:** Speed control is more challenging and usually requires variable frequency drives. - **Synchronous Motor:** Offers better speed control and can maintain constant speed under varying loads. **Advantages and Disadvantages:** - **Asynchronous Motor:** - **Advantages:** - Simpler and more robust design. - Lower cost and maintenance. - Good performance in variable load conditions. - **Disadvantages:** - Less efficient at low speeds. - Speed varies with load, which can be a drawback in precision applications. - **Synchronous Motor:** - **Advantages:** - High efficiency and better performance at constant speed. - Capable of power factor correction. - **Disadvantages:** - More complex and expensive to manufacture. - Requires additional equipment for excitation, which can increase maintenance needs.

2021-01-07