Moog Pitch System Completes Low Voltage Ride Through (LVRT) Testing in China Wind Farm

Moog Industrial Group, a division of Moog Inc. and a provider of blade pitch control, slip ring and rotor monitoring solutions for the wind energy industry, recently supported Guodian United Power Technology Co., Ltd., a member of China Guodian Corporation, to complete the first Low Voltage Ride Through (LVRT) Testing for a wind turbine in China. The tested wind turbine is located in Guodian Shuanglong Wind Farm in Jilin Province of North China. All 33 wind turbines in this farm are equipped with Moog Wind Turbine Pitch Systems that meet LVRT requirements and have been operating stably for six months.

Low Voltage Ride Through (LVRT) is a functionality required of wind turbines when the voltage in the grid is temporarily reduced due to a fault or load change in the grid. LVRT is defined in grid codes for specific countries. To comply with regulations all the electrical equipment including pitch control systems should meet LVRT requirements during grid faults. The LVRT testing for the Guodian United Power wind turbine was jointly conducted by China Electric Power Research Institute (CEPRI), the first and only test institute that has obtained international mutual recognition for wind turbine testing qualification in China.

“China has abundant wind energy resources and improving the grid connection capability is one of the top issues for the Chinese market as it is required to maintain grid stability,” said Sean Gartland, Moog’s general manager for the Asia Pacific Region. “We are honored to have made a contribution to this breakthrough testing by providing high performance pitch control solutions for Guodian United Power, our major customer and strategic partner in China. Strong local engineering, manufacturing and service capability enables us to respond rapidly to wind turbine customer needs in China,” added Gartland.