In the physics textbooks of secondary schools, we should all have learned power, and what we know best is to measure the power of a small light bulb. Power and voltage are indissociable from currents, and we also have knowledge of electrical sciences in our daily lives. It is therefore very convenient to invent a power gauge, which is easy to measure the power of electrical appliances. It is also useful for us to understand the use of power meters, as is common in our lives。
It's also called a watt watch. An instrument to measure electrical power. Electric power includes power availability, powerlessness and visual power. In the absence of a special description, the power table normally refers to a meter for measuring power
Power scales are not applied in theory but in practice. Power gauges measure the power of the circuit. The power gauge consists of two circuits, one of which is a current loop and one of which is a voltage loop. When the power gauge is used, the current loop is connected to the circuit, and the voltage loop is connected to the circuit, and the end of the `*' of the two circuits is connected。
The power-free meter, which is used primarily to measure useless power, i. E. The functional value of loss, is one of the important tools for ensuring the safe operation of the power system. The no-power scale, which consists of two types of pointer and numerically visible, is widely used for measuring and displaying electrical power for power parameters in electrical systems and automated control systems。
Photopower measurement:
Relative power loss for measuring absolute light power or through a fibre fibre. In the fibre-optic system, the measurement of light power is fundamental and very much like a universal watch in electronics. In fibre-optic measurements, photopower meters are commonly used tables for heavy loads. By measuring the absolute power of the transmitter or light network, a light power meter can evaluate the performance of the light equipment. Using a combination of photopower and stable light sources, it is possible to measure loss of connection, test continuity and help assess the quality of fibre-optic links。
Electrical product inspection test:
The variant power scale applies to product inspection tests, energy efficiency assessments and electrical quality analysis in the areas of electric propulsion, electric power, wind, water pumps, wind power generation, orbital transport, electric vehicles, transformers, special transformers, fluorescent lamps, led lighting, etc。
It is not clear from the above-mentioned statement that there are many uses of power gauges for the various sectors and areas of our lives, and it is hoped that they will be very practical and that in the future all of us will be able to gain access to the knowledge of power gauges, to know it well in advance, to broaden our knowledge, to build on life experience and to learn more about the electrical instruments that we use in life。
