{"id":28630,"date":"2018-02-15T12:00:30","date_gmt":"2018-02-15T11:00:30","guid":{"rendered":"http:\/\/www.expo21xx.com\/news\/?p=28630"},"modified":"2018-02-09T11:23:13","modified_gmt":"2018-02-09T10:23:13","slug":"moog-pitch-servo-drive-3","status":"publish","type":"post","link":"https:\/\/www.expo21xx.com\/news\/moog-pitch-servo-drive-3\/","title":{"rendered":"The new Moog Pitch Servo Drive 3 receives safety certification from T\u00dcV Rheinland"},"content":{"rendered":"
\"\"

Moog Pitch System 3: Axis Box including Pitch Servo Drive 3 and Pitch Capacitor Module
Photo by Moog Unna GmbH<\/i><\/p><\/div>\n

The Industrial Group of Moog Inc., a designer and manufacturer of high performance motion control products and solutions, has earned a safety certification from T\u00dcV Rheinland for the new Moog Pitch Servo Drive 3. T\u00dcV Rheinland is a global testing service provider and specialist for functional safety. Moog\u2019s new Pitch System 3 is responsible for guaranteeing the safe operation of wind turbines. The feathering safety function supplied by the Moog Pitch System 3 Servo Drive alters a wind turbine\u2019s blade pitch at the rotor hub to minimize the torque applied by the wind, avoiding excessive speed of the turbine. As a result, the pitch servo drive is classified as a safety component.<\/p>\n

\u201cThe safety built into Moog Pitch System 3 helps wind farm operators in three important ways,\u201d says Dr. Tobias Theopold, Technology Development Manager Business Unit Wind, for Moog. \u201cThe technology avoids hazards from the wind turbine and therefore lowers the insurance fees for a wind farm operators. As the safety related development of Moog Pitch System 3 required an IEC 61508 and 13849 compliant V-model process including intensive failure insertion testing, this also boosts reliability of the overall product, which of course lowers downtime and reduces the Levelized Cost of Energy.\u201d<\/p>\n

Moog established the benchmark for safety with its previous versions of the Moog Pitch Servo Drive when these were certified by T\u00dcV Rheinland in 2012. With the Moog Pitch Servo Drive 3, Moog has received independent validation that this product will also perform outside the specification at extreme environmental conditions and in cases of unexpected failure.<\/p>\n

Along with certifying the safety of its new servo drive, Moog improved the architecture of Pitch System 3 to meet IEC 61508 and ISO 13849, standards governing wind turbine safety. First, Moog\u2019s engineers provide a safety function referred to as Safe Feathering Run (SFR), which automatically moves and stops a turbine\u2019s blades in the feathering position. Second, Moog included a Safe Stop function called (STOP1) to arrest the motion of an individual blade during manual movement of the blades. The Safe Stop function meets the ISO 13849 standard that addresses the requirements that blades must not perform an unintended move when people are working inside the wind turbine\u2019s hub.<\/p>\n

\u201cTo protect a wind turbine against overvoltage from the grid and lightning strikes, we included a new component called the Moog Pitch Interface Module,\u201d adds Theopold. \u201cOur new interface module is a firewall to protect the blades against extreme environmental conditions and so called common cause failures (CCFs). These failures are most critical because they can affect each of the pitch axis and therefore can put turbine safety on risk.\u201d<\/p>\n

Moog also asked lightning protection specialist DEHN to test Pitch System 3 (including its servo drive and interface module) inside a high voltage lab subjecting the system to multiple lightning strikes reaching more than 260,000 amps. Afterward, the system was still fully operational and performed a Safe Feathering Run.<\/p>\n

For more information, please visit http:\/\/www.moog.com<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

The Industrial Group of Moog Inc., a designer and manufacturer of high performance motion control products and solutions, has earned a safety certification from T\u00dcV Rheinland for the new Moog Pitch Servo […]<\/p>\n","protected":false},"author":9,"featured_media":28631,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[104,233,190,255,580],"class_list":["post-28630","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-motion-control","tag-safety","tag-safety-technology","tag-servo-drive","tag-servo-drives","tag-servo-motors"],"yoast_head":"\nThe new Moog Pitch Servo Drive 3 receives safety certification from T\u00dcV Rheinland - EXPO21XX.com NEWS<\/title>\n<meta name=\"description\" content=\"The Industrial Group of Moog Inc., a designer and manufacturer of high performance motion control products and solutions, has earned a safety certification from T\u00dcV Rheinland for the new Moog Pitch Servo Drive 3. 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