Question

What are some sources of triplen harmonics? (Physics)

A) Non-linear loads such as power electronic devices.
B) Unbalanced loads in a three-phase system.
C) Transformer core saturation.
D) Harmonic distortion in the utility grid.

Answer 1

Triplen harmonics are unwanted harmonics in a three-phase power system. Some sources of triplen harmonics include non-linear loads, unbalanced loads, and harmonic distortion in the utility grid.

Step-by-step explanation:

Triplen harmonics are unwanted harmonics in a three-phase power system that have frequencies that are integer multiples of three times the fundamental frequency. Some sources of triplen harmonics include:

1. Non-linear loads such as power electronic devices: These devices create distorted waveforms that contain harmonics. The third and ninth harmonics are examples of triplen harmonics.
2. Unbalanced loads in a three-phase system: If the three phases of a system are not equally loaded, it can result in the generation of triplen harmonics.
3. Harmonic distortion in the utility grid: When the utility grid is not perfectly sinusoidal, it can introduce triplen harmonics.