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EMC Tests

Electromagnetic compatibility (UMC) is generally concerned with electromagnetic waves emitted from an electrical or electronic device or system and their influence on other devices or systems. This interference prevents the devices or systems from operating at the desired efficiency. The basis of the problem is to prevent the harmful magnetism of the electromagnetic waves and to minimize the effect of the opposing device or system on these waves.

In fact, there is an interaction in all electrical devices. Today, although the machines are largely electrical, they are also equipped with electronic systems due to the rapid development of technology. Interaction is sometimes continuous and sometimes intermittent. For example, motors, generators, microwave ovens, high-frequency devices, computers, switching power supplies and ignition circuits ensure continuous interaction. On the other hand, lightning strikes, power grid, power lines and electrostatic discharge provide intermittent interaction.

The worst result of electromagnetic interference is that it can cause major injuries and death. The consequences are minor injuries and major property damage. Part of the results is that it causes temporary performance losses. The minor consequences are performance losses within tolerances.

For example, the loss of a destroyer of England in the Falklands war has led to fatal consequences and major material damage. This is because satellite communication system and missile detection systems interfere with each other.

Electromagnetic compatibility problems can also occur in construction machines. The way to prevent this is EMC tests on construction machines. Conducting these tests can reveal the following problems caused by electromagnetic interference:

      Failure of safety-critical machinery and equipment

      Unwanted operation of mobile devices

      The safety device does not give the expected warning signal

      Stopping the machine without an explanation

      The machine does not perform the expected function

Certain standards have been developed to prevent construction machinery from causing these errors due to electromagnetic interference. In this way, it is desirable to limit electromagnetic pollution in electrical or electronic equipment. These standards also serve to make the machines more durable. Because in the environment where electromagnetic disturbance exists, the performance expected from the machine cannot be obtained.

The electromagnetic compatibility (EMC) tests of construction machines are also controlled by the legal regulations in force.