Abstract
The paper presents the results of computer simulation of the operation of a lighting installation disturbed by a voltage surge of 1.2 / 50 μs. The components included in the model of the system were: voltage surge generator (accordance with the PN-EN 61000-4-5 Standard), coupling - decoupling system, over-current circuit breaker, iluminance level controller and incandescent lamp. The results of simulation tests with the results of tests carried out in an accredited electromagnetic compatibility laboratory were compared.
Highlights
All electrical and electronic devices placed on the European market should be tested and certified by accredited electromagnetic compatibility laboratories
The article presents the results of computer simulation of the operation of the power regulator disturbed by lightning impulse, made in the MATLAB/Simulink software [5]
The model tests included simulation of the operation of a part of a lighting installation equipped with an overcurrent switch, a lighting power controller and an incandescent lamp with a rated power of 200 W supplied from a 230 V power grid
Summary
All electrical and electronic devices placed on the European market should be tested and certified by accredited electromagnetic compatibility laboratories. Certification of individual devices does not guarantee that a fully completed, fixed installation will be electromagnetically compatible [1, 2, 3]. Due to the complexity and possible harmfulness of the installation's immunity tests to electromagnetic disturbances, it is reasonable to simulate of the system operation when the specific interfering signals are introduced. The simulation results and results of tests carried out in an accredited electromagnetic compatibility laboratory were compared. On the voltage characteristic considered on the load side (measuring system 2) during the pulse disturbance, a pulse with an magnitude of 1280 V is visible (Fig. 2). The magnitude of the current pulse resulting from the introduced disturbance is about 7.8 A The magnitude of the current pulse resulting from the introduced disturbance is about 7.8 A (fig. 3)
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