EMC and certification of compatibility tests’ electromagnetic
The electromagnetic compatibility tests (Test EMC) serve to verify that the equipment is immune from external disturbances and do not produce signals that perturb other equipment.
Sicom Testing combines the skills required and the specific technology to evaluate a wide variety of electrical equipment, electronic and radio.
The electromagnetic compatibility
Electromagnetic compatibility is a discipline of electrical engineering and electronics, and has the aim to ensure that multiple devices, operating close to or interconnected with each other, continue to function properly without mutual interference.
To ensure compatibility between two devices must comply with two basic requirements:
- the equipment must not emit too much disturbance,
- the equipment must not be too sensitive to disturbances.
The electromagnetic compatibility, in addition to the disturbances from electrical and electronic equipment, considers two other important sources of interference:
- the voltage pulses generated by meteorological phenomena and lightning,
- electrostatic discharges coming mainly from the contact of man with the equipment.
In general, the transmission of electromagnetic fields follows two possible ways:
- the conducted way,
- the radiated way.
The disturbance is transmitted radiated when propagating in free space, while it transmits conducted when running along the equipment interconnecting cables.
Although the principles are relatively simple, verification techniques differ depending on the product to be tested and, in several cases, They will require specific test environments and specific instrumentation.
The Directive 2004/108 / EC, establishing the requirements for electromagnetic compatibility.
The EMC certification attests “the suitability of equipment to function in a satisfactory manner even in the presence of electromagnetic fields and electromagnetic disturbances without producing unacceptable in other nearby equipment”.
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