Power Disturbance Test
Power Disturbance Test
The power disturbance test is an EMC test performed to measure electromagnetic interference voltages occurring at the power input or data connection terminals of a device. It is applied to evaluate the potential of electromagnetic interference emitted by the device to affect other systems not only through the air, but also through conductive connections.
Test Structure and Features
- Voltage measurement is performed in the frequency band between 150 kHz and 30 MHz
- LISN (Line Impedance Stabilization Network) connected to power line and communication line terminals is used
- Tests are carried out in semi-anechoic chambers or properly shielded laboratories
- Test procedures compliant with standards such as CISPR 16-2-1 and EN 55032 are followed
What Is Its Purpose?
The purpose of this test is to detect interference voltages that the device may transmit to other surrounding systems through its connection terminals and to verify that these voltages remain below specified limits. It is especially applied to devices such as power supplies, communication modules, motor drives and digital control units.
Compliance with Standards
Our tests are carried out in full compliance with EMC standards such as EN 55011, EN 55032, CISPR 11 and CISPR 16-2-1. The measuring equipment used is highly precise, and the test environment is arranged according to international testing laboratory criteria.
Why Is It Important?
Electromagnetic disturbances transmitted through connection terminals may affect the performance of other devices sharing the same line. This may lead to system instability, signal degradation and security vulnerabilities. Through this test, the source of interference voltages is identified, and necessary filtering or design improvements are implemented. It is also a prerequisite for CE and similar conformity certifications.
Contact us!
Do you need laboratory support for terminal disturbance voltage tests? Contact our team to get detailed information and a quotation.