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Anti-theft energy meter

Anti-theft energy meter
Anti-theft energy meter
  • Anti-theft energy meter
  • 【product name】
    Anti-theft energy meter
  • 【product brand】
    HKUST Zhongtian
  • 【product price】
  • 【hit count】
Detailed description

The anti-theft energy meter is a fully electronic intelligent multi-user energy meter, which is widely used in industrial and mining enterprises, urban and rural residential quarters, student apartments, rural power grids, old building renovation, and high-rise building electricity measurement.
Energy meters are meters used to measure electrical energy, also known as watt-hour meters, fire meters, kilowatt-hour meters, and meters that measure various electrical quantities. When using an energy meter, pay attention to the fact that in the case of low voltage (not more than 500 volts) and low current (tens of amps), the energy meter can be directly connected to the circuit for measurement. In the case of high voltage or high current, the energy meter cannot be directly connected to the line, and it needs to be used with a voltage transformer or a current transformer.
The working principle of the energy meter: When the energy meter is connected to the circuit under test, an alternating current flows in the current coil and the voltage coil. These two alternating currents generate an alternating magnetic flux in their iron cores, respectively. ; The alternating magnetic flux passes through the aluminum disk, and induces eddy currents in the aluminum disk; the eddy currents are subjected to a force in the magnetic field, so that the aluminum disk gets torque (active torque) and rotates. The greater the power consumed by the load, the greater the current through the current coil, the greater the eddy current induced in the aluminum disc, and the greater the torque that causes the aluminum disc to rotate. That is, the amount of torque is proportional to the power consumed by the load. The greater the power, the greater the torque, and the faster the aluminum disc rotates. When the aluminum disc rotates, it is also affected by the braking torque generated by the permanent magnet. The braking torque is in the opposite direction to the active torque; the magnitude of the braking torque is proportional to the speed of the aluminum disc. The faster the aluminum disc rotates, the more the braking torque is also Bigger. When the active torque and the braking torque reach a temporary balance, the aluminum disc will rotate at a uniform speed. The power consumed by the load is proportional to the number of revolutions of the aluminum pan. When the aluminum plate rotates, it drives the counter to indicate the consumed power. This is the simple process of the energy meter.


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