How is the electric power dynamometer?
2022-01-06
The power dynamometer is loaded by AC variable frequency feedback
PowerDynamometerThe energy loaded by the AC variable frequency feedback is fed back to the grid through the AC load generator; torque and speed are directly measured by the torque sensor; a comprehensive power measurement instrument detects current, voltage, frequency, power factor, etc. The computer automatically detects, displays, and completes data processing, reporting, and various curves. The motor is used to measure the output torque of various power machinery shafts and, combined with speed, determines the power of the equipment. Since the measured power machinery may have different speeds, the motor used as an electric power dynamometer must be a motor that can smoothly adjust speed. Power dynamometers are divided into DC power dynamometers and AC power dynamometers. Currently, AC power dynamometers are widely used.
AC power dynamometers are currently one of the more advanced load dynamometers on the market, especially in the testing of load dynamometers for medium and small power and low power machinery. They can accommodate both low-speed and high-speed load dynamometer testing for various power machinery. Compared with other types of load dynamometer equipment, they have significant advantages in performance, reliability, and maintenance difficulty. Particularly in the area of low-speed machinery load dynamometers, they are unmatched by other methods, as they can almost provide the rated torque of electric power dynamometers from 0 speed. Of course, another major advantage of AC power dynamometers is the energy feedback function, which can feed back the energy emitted by the tested machine to the grid in the form of electrical energy for use by other devices, rather than converting the energy into heat and wasting it. From this perspective, the economic efficiency of using AC dynamometers after construction is unmatched by other dynamometers.
Because of energy savings, it translates into economic benefits, especially in this era of increasingly scarce energy, more and more enterprises are beginning to pay attention to conservation.
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