Conducted Transient Testing
Conducted Transient Testing
Conducted Transient Testing is a critical part of Electromagnetic Compatibility (EMC) testing, designed to verify that electronic and electrical products can continue to operate reliably when exposed to short-duration electrical disturbances on power, control, and signal lines. As an ISO/IEC 17025 accredited laboratory, Stancer Testing-Lab performs comprehensive surge immunity testing, electrical fast transient (EFT/Burst) testing, and conducted transient testing to evaluate product immunity against electrical disturbances. These transient events, which can result from switching operations, inductive load changes, lightning-induced effects, or disturbances within the electrical network, have the potential to disrupt normal operation, corrupt data, degrade performance, or damage sensitive electronics.
By evaluating a product’s immunity to fast voltage and current transients, Conducted Transient Testing helps manufacturers identify vulnerabilities early in the development cycle, improve product robustness, and demonstrate regulatory compliance with applicable international standards. Successful testing supports EMC certification, product certification, and reliable performance in real-world operating environments, helping accelerate global market access while reducing the risk of costly field failures. Manufacturers can also benefit from our expertise in generic EMC standards for emission and immunity testing, EMI filters and mitigation techniques, conducted emission testing, and electrostatic discharge (ESD) protection strategies, providing complete engineering support from product development through compliance testing and international certification. For medical electrical equipment, surge and EFT/burst immunity are important elements of Medical Device EMC Testing under IEC 60601-1-2.
Benefits of Conducted Transient Testing
Reveal Hidden Weaknesses in Power and Signal Interfaces
Transient events on AC/DC power lines and communication ports can cause resets, component damage, or system instability. Transient testing exposes these vulnerabilities early, reducing costly redesigns.
Validate the Performance of Protective and Filtering Circuits
Transient testing stresses MOVs, TVS diodes, filters, SMPS controllers, and power stages to confirm that the protection and conditioning circuits operate correctly under high-energy, fast-edged disturbances.
Our Process and Testing Capabilities
Our ISO 17025 accredited Lab covers the
following main conducted transient tests:
IEC/EN 61000-4-4 – Electrical Fast Transients (EFT)
The objective is to test immunity to repetitive fast voltage transients typically caused by switching of inductive loads, relay contact bounce, or other high-speed switching events on power or signal lines. Our test setup is equipped with cutting-edge single-phase and three-phase coupling/decoupling networks (CDNs) with a current rating of 32 A and transient generators capable of generating EFT pulses characterized by peak values up to 7-kV and durations down to nanoseconds with high repetition rates.
IEC/EN 61000-4-5 – Surge Immunity
IEC/EN 61000-4-12 – Ring Wave Immunity
ISO 16750-2: Testing for Electrical and Electronic Equipment of Road Vehicles
Stancer Testing-Lab relies on its sophisticated testing system for performing comprehensive set of electrical tests designed to verify the robustness and reliability of automotive electronic equipment when exposed to real-world vehicle power supply conditions. These tests cover steady-state and transient supply voltage variations, including overvoltage and undervoltage, voltage drops and short interruptions, and reset behavior as well as dynamic operating conditions such as engine starting profiles, momentary voltage dips, and slow voltage changes. Testing against severe electrical disturbances including load dump, superimposed AC ripple, and repetitive transient pulses is offered by our Lab.