1UKD4

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1UKD4 is an energy measurement equipment widely used in power system automation and energy-saving systems. It is typically used for three-phase or single-phase applications, such as voltage, current, active/reactive power, etc. This article focus on the 1UKD4 application field and its working principle.

Application Fields of 1UKD4
1UKD4 can be used to measure the active and reactive power of 3-phase AC electrical systems, as well as various other electrical parameters such as A-B, A-C, C-B, B-C phase voltages, current, power factor, etc. It is able to monitor the power line everywhere, even in those places where the power line is not convenient or accessible. It is mainly used in power plants, substations, factories, business enterprises and residential buildings.

Working Principle of 1UKD4
The working principle of 1UKD4 is mainly based on the principle of Rooparams law (Kirchhoff\'s Current Law): It states that the sum of the direct current (DC) and alternating current (AC) flowing through any closed loop is zero. Therefore, by measuring the voltage and current in the line, the power factor and other parameters can be calculated. Firstly, 1UKD4 measures the line voltage and current values; then, based on the collected values, it computes the real and reactive powers. Finally, it will issue the corresponding output.

1UKD4 is also equipped with analog and digital outputs respectively, which can be used to display the status of active and reactive power, power factor and other parameters. It supports the display of up to five power parameters, and the error indication is not more than 0.2%. In addition, 1UKD4 also has protection function against short-circuit, reverse connection, overloading and insulation failure.

Conclusion
1UKD4 energy measurement equipment is widely used in power system automation and energy-saving systems. It can measure the active and reactive power of 3-phase AC electrical systems, as well as various other electrical parameters such as A-B, A-C, C-B, B-C phase voltages, current, power factor, etc. And its working principle is based on the principle of Rooparams law (Kirchhoff\'s Current Law). It is not only able to accurately measure electric quantity parameters, but also has protection functions against short-circuit, reverse connection, overloading and insulation failure.

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