Applying an active power filter requires one to analyze the power quality issues of the area such as need for harmonics and reactive power compensation. Those interested in such filters are some of the characteristics that should be taken into consideration - its capacity, speed of response, and market readiness of the system. Also, consider the technical support and service, since an expert’s intervention can greatly assist in the applicability of the solution you selected. Areas within Power system engineering are wide and therefore an exposure in an all round body like Sinotech Group informs one accurately on these elements for an easier selection and evaluation process that improves the entire power systems activities and their configurations.