Leakage current is the current flowing from the direct current or alternating current circuit in an equipment to the ground or frame. If the equipment is not properly grounded, the leakage current passes through the human body and other routes. Leakage current in an equipment occurs when an undesired electrical connection occurs between earth and equipment. Ideally, the leakage current from the power supply unit should flow through the ground connection.
The main reason of the leakage current is the insufficiencies in the materials used in the equipment. It is possible to determine whether there is leakage current during the electrical safety tests on the equipment.
Electrical systems usually have a grounding system that protects against the risk of electric shock when an insulation fault occurs. The grounding system is a system that connects the device to ground.
If there is any deterioration in the insulation between the power line and the conductive parts, the voltage is transmitted to the ground. The leakage current generated causes a circuit breaker to open or a fuse to blow and a hazard is prevented.
The leakage current and safety tests in electrical devices are carried out in accordance with the test standards or the principles stated in the legal regulations.
In short, leakage current measurements, electrical safety tests one of the most important tests It is one.
The following are a few standards based on the leakage current tests carried out by the competent authorities:
TS EN 60335 Safety requirements for electrical appliances used in households and similar
TS HD 62640 Surge protection devices with or without overcurrent for home and similar sockets
TS EN 61008 Residual current circuit breakers - Without integral overcurrent protection - Used in homes and similar places (RCCB)
TS EN 61557 Electrical safety in low voltage distribution systems - up to 1000 volt AA and 1500 volt AA - Equipment for testing, measuring or monitoring protective devices
The application is received, the contract and then the product, vehicle and vehicles for which, what kind of service is determined exactly.
The necessary laboratory environment is prepared and the products, tools and instruments requested by the organization are tested by experts with the reference of the existing standards and measurements are made.
The data obtained as a result of meticulously completed tests, measurements and analyzes are evaluated and accredited approved reports are submitted by expert engineers.
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