{"product_id":"8290-184-woodward-isochronous-speed-control","title":"Contrôle de vitesse isochrone Woodward 8290-184","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward 8290-184\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eElectrically Powered Governor (EPG)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eisochronous speed control designed for use with diesel engines or gas turbines. This specific model is engineered for systems requiring precise speed regulation and is compatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e524\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1724\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries actuators. Its core function is to maintain constant engine speed regardless of the load applied, provided the engine has the capacity to handle the load.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\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\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWoodward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8290-184\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIsochronous Speed Control (EPG)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e524 or 1724 Series Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Logic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIsochronous (Zero Droop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecial Feature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eStart Fuel Limit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Functions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsochronous Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintains steady-state speed at\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$\\pm 0.25\\%$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eof the rated speed. It is ideal for applications where frequency stability is critical, such as generator sets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStart Fuel Limit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis feature limits the maximum actuator position during engine cranking and startup. This prevents excessive smoke, over-fueling, and \"flooding\" before the engine reaches its operating speed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt to be mounted directly on the engine or in a control cabinet, featuring a cast aluminum housing that protects the internal electronics from vibration and humidity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation \u0026amp; Calibration Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e: Use shielded, twisted-pair cables for the Magnetic Pickup (MPU) signal and the actuator drive lines. Ensure the shield is grounded at the control end only to prevent noise interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStart Fuel Limit Adjustment\u003c\/strong\u003e: Rotate the Start Fuel Limit potentiometer to the point where the engine starts cleanly without excessive black smoke or significant overshoot of the idle speed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMPU Sensitivity\u003c\/strong\u003e: The unit requires a minimum of\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e$1.5 \\text{ VAC}$\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003efrom the magnetic pickup during cranking to properly sense engine speed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e: Install the unit in a location where the temperature does not exceed the rated limits. Ensure the wiring enters from the bottom of the unit to prevent moisture from traveling down the wires into the internal circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does \"Isochronous\" mean in this context?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt means the controller will force the engine to return to its exact set speed after a load change, resulting in \"zero droop.\" This is essential for maintaining a constant 50Hz or 60Hz frequency in power generation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this with a 12V battery system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8290-184\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis strictly a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit. Running it on 12V will result in insufficient power to drive the actuator, likely causing erratic behavior or a failure to start.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know if I should use a 524 or 1724 actuator?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis depends on the force required to move your engine's fuel rack. The 524 is for smaller engines, while the 1724 provides higher torque for larger diesel engines or turbines. The 8290-184 is electronically tuned to drive either one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is my engine hunting (speed oscillating)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHunting is usually caused by the \"Gain\" or \"Stability\" pots being set too high. Slowly turn the Gain counter-clockwise until the engine stabilizes, then fine-tune the Stability for the best transient response.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":53077901869419,"sku":"8290-184","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/8290-184-fe5u1wmppgb.jpg?v=1775733451","url":"https:\/\/www.plcprotech.com\/fr\/products\/8290-184-woodward-isochronous-speed-control","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}