FGH provides a full range of services and products to the wind energy sector in terms of the reliable and secure grid integration. The FGH Certification Office is one of the first accredited institutions to testify the conformity of the electrical characteristics of WECs with respective grid codes. FGH Test Systems GmbH has established and proofed the concept of mobile LVRT test laboratories and offers tailor made solutions for on site measurements of the WEC behaviour in case of a grid failure.