How to correctly judge the use of voltage

How to correctly judge the use of voltage

When it comes to the voltage and wiring issues of electric heating tubes, many customers may have some problems with them. The correct wiring method or voltage judgment of electric heating tubes is directly related to their lifespan in the middle and later stages of use. In order to give everyone a clearer understanding and understanding, Yancheng Songtai Xiaosun has compiled a brief introduction on how to choose the power supply and wiring method for electric heating tubes.

1、 How to correctly determine the voltage used:

1. By calculating and measuring, it can be determined that if the resistance, power, or other electrical parameters are known, the rated power can be calculated using a formula. Once determined, the values can be obtained through measuring instruments. Formula: I=U/R P=UI=R * I * I=U * U/R, where I=current (amperes); U=voltage in volts; R=Resistance in ohms; Power=P (watts).

2. Actual wiring usage shows that the general voltage used for conventional electric heating tubes is 220V or 380V. When there is uncertainty between the two, a voltage of 220V can be directly connected for use. By observing the working condition of the electric heating tube, it can be judged that if the heating effect is poor, the set voltage should be greater than 220V.

2、 Determine the wiring method:

1. A normal electric heating tube usually selects a voltage of 380V, and a triangular connection method is generally used for the voltage of 380V.

2. Unknown voltage selection wiring method: For general use of 380V, choose the triangular connection method. If the voltage is unknown, the star connection method can be used. If the heating effect is not obvious, the voltage can be determined.

Www.superbheater.com