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Whether the power supply voltage of a small cement mixer is too high or too low, it will affect the normal use of the motor. Abnormal voltage or lack of phase will cause fatal injury to the motor.
According to national standards, the power supply voltage variation range cannot exceed ± 10% of the rated voltage. The three-phase voltage unbalance cannot exceed ± 5%. In this way, the normal operation of the mechanical motor can be protected from the damage caused by the power supply voltage. If it is a high-power motor, it must be independently powered to prevent low-voltage caused by the startup and operation of other high-power equipment with copper wires.
If the voltage instability occurs during the use of the 220V household small cement mixer, how should you conduct a self-test?
Shandong China Coal Group will tell you some basic solutions to the voltage instability during the use of the 220V small cement mixer. I hope to help you.
1. The voltage is unstable. First, it is recommended that you check the power cord. The aging of the power cord is a direct factor that causes the power supply voltage to become unstable. The aging resistance of the power cord increases, resulting in transient transient voltage instability. In this case, just replace the old power cord.
2. Under special weather conditions, the power supply voltage of 220V small cement mixer is unstable. For example: thunderstorm weather, high wind and hail weather, cold and heavy snow weather, will cause voltage instability. In this environment, rain, snow, wind, and hail prevention measures can be taken and even lightning rods can be erected. All are more effective measures.
3. Check whether the transformer is abnormal. Under normal circumstances, the transformer is damaged or the circuit is short-circuited, basically the transformer is directly powered off, and the voltage is rarely unstable. But it is also one of the possible factors. Should be considered.
4. Check whether the power supply box is aging, causing voltage instability. The probability of voltage instability caused by the aging of the transformer as mentioned above is relatively low, which is relatively rare, but it is also one of the possible factors.
The above factors can be controlled by humans. What I want to talk about below may not be controlled by individuals.
5. The power tower in the power supply area is unstable. The voltage for civil or industrial electricity is controlled by zones. If the current supply in the power supply area is too large, the current will be too large, and the voltage will increase accordingly. That is to say, the change of current and voltage in the power supply area will certainly affect the current and voltage of civil or industrial use in the area. This is beyond personal control. There is no effective operation measures to protect.
Shandong China Coal Group manufacturers warm tips:
Worried that the small power supply pressure of the cement mixer will cause damage to the mechanical motor, it is recommended that you should turn off the electrical appliances immediately to prevent damage to the electrical appliances, and wait for the voltage to stabilize before using it again, or you can install certain power protection measures. More products of small cement mixers can only be reflected in the later use process, so it is recommended that you buy regular small cement mixer manufacturers to ensure the quality of small cement mixers.
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