{"product_id":"turbine-engine-speed-regulator-buy-woodward-9905-760","title":"Turbine \u0026 Engine Speed Regulator | Buy Woodward 9905-760","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 9905-760\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the high-performance digital core of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2301D\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries. This microprocessor-based governor control unit regulates the speed of engines and turbines with surgical precision. It manages complex load-sharing logic among multiple generator sets, ensuring balanced power distribution across the bus. By replacing legacy analog hardware, the 9905-760 introduces digital stability, preventing frequency oscillations in isolated microgrids or systems paralleled to an infinite utility bus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New Original Factory Stock.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 9905-760 utilizes advanced digital processing to interface with magnetic pickups and fuel actuators.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCatalog Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9905-760\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2301D Digital Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (18–40 VDC Range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Modes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIsochronous and Droop Speed Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 – 10,000 RPM (MPU Dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Signal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eActuator Drive Signal (Fuel\/Steam Control)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterfaces\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMPU Input, Analog Bias, Load Sharing Lines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40°C to +85°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 mm × 180 mm × 60 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 – 3.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Accuracy \u0026amp; Repeatability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 2301D architecture eliminates the drift inherent in older analog potentiometers. The microprocessor ensures that the engine hits its rated speed and load-sharing targets every time, regardless of aging components or ambient temperature swings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Response Tuning:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module allows for precise adjustment of gain, reset, and actuator compensation. This enables engineers to tune the control loop to match the specific inertia of diverse turbine or engine types, resulting in faster recovery times after sudden load steps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated signal conditioning filters high-frequency noise from the Magnetic Pickup (MPU) circuit. This prevents \"phantom\" speed signals and erratic actuator behavior, which is common in high-interference industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Operational Modes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUsers can toggle between Isochronous mode (maintaining 100% constant frequency) and Droop mode (proportional speed drop). This flexibility supports both mission-critical standalone power and grid-parallel operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Thermal Profile:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated for operation from –40°C to +85°C, the 9905-760 thrives in extreme environments, from arctic oil fields to tropical marine engine rooms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 9905-760 replace older analog 2301A models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 2301D 9905-760 acts as a digital upgrade for the 2301A series. While it shares similar functional logic, the digital interface provides better stability. Always check your specific actuator signal requirements (current vs. voltage) before retrofitting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module handle a \"Loss of Speed\" signal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 9905-760 features failsafe logic. If the MPU signal fails while the engine is running, the controller immediately de-energizes the actuator drive output to shut down fuel delivery, preventing an uncontrolled engine runaway.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this unit require external software for basic setup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: While the 2301D can be configured via Woodward service tools for advanced parameters, most primary settings (Speed, Gain, Droop) remain accessible for field adjustment to ensure rapid commissioning on-site.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 9905-760 compatible with different MPU types?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The unit accepts standard passive magnetic pickups. The speed range is widely adjustable from 100 to 10,000 RPM, allowing it to interface with various gear tooth counts on flywheel housings.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":43169799602266,"sku":"9905-760","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/228._741116e6-db0c-49fc-a14f-8c6b7f160f78.jpg?v=1775095830","url":"https:\/\/www.spareoil.com\/products\/turbine-engine-speed-regulator-buy-woodward-9905-760","provider":"SpareOil Automation","version":"1.0","type":"link"}