{"product_id":"5-kw-mechanical-variable-pitch-wind-turbine","title":"5 kW Mechanical Variable-Pitch Wind Turbine","description":"\u003cfigure style=\"margin:32px 0;max-width:520px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1002\/3295\/4176\/files\/marston-mechanical-pitch-5kw.jpg?v=1792340219\" alt=\"5 kW mechanical variable-pitch wind turbine from the manufacturer brochure\" width=\"482\" style=\"display:block;width:100%;height:auto;\" loading=\"eager\"\u003e\u003c\/figure\u003e\u003cp\u003eA 5 kW horizontal-axis wind turbine with a 5.4 m three-blade fiberglass rotor, mechanical variable-pitch regulation and mechanical yaw. Wind pressure and rotor speed changes adjust blade pitch; generator voltage is configurable for the selected electrical package.\u003c\/p\u003e\u003ch2\u003e5 kW mechanical variable-pitch wind turbine specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ccaption\u003eTechnical specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated power\u003c\/th\u003e\n\u003ctd\u003e5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaximum power\u003c\/th\u003e\n\u003ctd\u003e6 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor diameter\u003c\/th\u003e\n\u003ctd\u003e5.4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBlade quantity\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBlade material\u003c\/th\u003e\n\u003ctd\u003eReinforced fiberglass (FRP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGenerator\u003c\/th\u003e\n\u003ctd\u003eThree-phase AC permanent-magnet generator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated rotational speed\u003c\/th\u003e\n\u003ctd\u003e240 rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStart-up wind speed\u003c\/th\u003e\n\u003ctd\u003e2 m\/s (rotor start-up)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRated wind speed\u003c\/th\u003e\n\u003ctd\u003e11 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWorking wind-speed range\u003c\/th\u003e\n\u003ctd\u003e3–30 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePitch regulation\u003c\/th\u003e\n\u003ctd\u003eMechanical; blade pitch responds to wind pressure and rotor speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eYaw arrangement\u003c\/th\u003e\n\u003ctd\u003eMechanical yaw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBraking configuration\u003c\/th\u003e\n\u003ctd\u003eMechanical brake or electromagnetic brake, as specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGenerator output voltage\u003c\/th\u003e\n\u003ctd\u003eConfigurable for the project\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinal system output\u003c\/th\u003e\n\u003ctd\u003e380 V AC with the specified electrical package\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eMechanical pitch regulation\u003c\/h2\u003e\u003cp\u003eWind pressure and rotor speed changes act on the mechanical pitch mechanism to change the blade pitch. Pitch regulation adjusts the rotor operating condition as wind conditions and rotational speed change. The 5 kW model has a 5.4 m three-blade reinforced-fiberglass rotor and a permanent-magnet three-phase AC generator.\u003c\/p\u003e\u003ch2\u003eMechanical yaw and braking\u003c\/h2\u003e\u003cp\u003eMechanical yaw positions the rotor relative to the wind. Blade pitch regulation, yaw alignment and braking perform separate functions. The supplied stopping arrangement uses a mechanical brake or an electromagnetic brake, as specified in the equipment quotation. Confirm the selected brake and its operating procedure for the installation.\u003c\/p\u003e\u003ch2\u003eGenerator voltage and 380 V AC system output\u003c\/h2\u003e\u003cp\u003eThe generator produces three-phase AC, with its output-voltage specification configurable for the selected project. The final system output is 380 V AC when supplied with the specified control and power-conversion equipment. This system-output value does not describe the generator terminal voltage. Specify the required frequency, connection requirements and included equipment in the quotation.\u003c\/p\u003e\u003ch2\u003eWind conditions and installation\u003c\/h2\u003e\u003cp\u003eThe stated 2 m\/s start-up wind speed describes rotor start-up, rather than guaranteed useful electrical output. Rated power is specified at 11 m\/s. Annual energy production requires wind data at the proposed hub height and an applicable power curve.\u003c\/p\u003e\u003cp\u003eInstallation planning covers the tower interface, foundation, rotor clearance, cable route, earthing, lifting access and maintenance access. Tower and control equipment are identified separately in the supply scope.\u003c\/p\u003e\u003ch2\u003eQuestions before ordering\u003c\/h2\u003e\u003ch3\u003eHow is blade pitch adjusted?\u003c\/h3\u003e\u003cp\u003eThe mechanical mechanism responds to wind pressure and rotor speed changes to adjust the blade pitch.\u003c\/p\u003e\u003ch3\u003eDoes this model use electric yaw?\u003c\/h3\u003e\u003cp\u003eThis product uses mechanical yaw. It belongs to the mechanical variable-pitch product line.\u003c\/p\u003e\u003ch3\u003eCan I order the turbine assembly separately?\u003c\/h3\u003e\u003cp\u003eYes. Identify whether you need the turbine assembly only or a package with the controller and converter. The final quotation defines the interfaces and included equipment.\u003c\/p\u003e\u003ch2\u003eRequest a technical quotation\u003c\/h2\u003e\u003cp\u003eSend your project location, wind measurements and measurement height, required voltage and frequency, intended grid connection or load, quantity and tower requirements. MARSTON POWER will identify the turbine assembly, control equipment, power conversion and installation interfaces included in the quotation.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/ja\/pages\/request-a-quote\"\u003eRequest a wind turbine quotation\u003c\/a\u003e · \u003ca href=\"\/ja\/pages\/solutions\"\u003eExplore wind power solutions\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/ja\/collections\/mechanical-variable-pitch-wind-turbines\"\u003eCompare this product series\u003c\/a\u003e\u003c\/p\u003e","brand":"Marston Power","offers":[{"title":"Default Title","offer_id":67796817674560,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/3295\/4176\/files\/marston-mechanical-pitch-5kw.jpg?v=1792340219","url":"https:\/\/marstonpower.com\/ja\/products\/5-kw-mechanical-variable-pitch-wind-turbine","provider":"Marston Power","version":"1.0","type":"link"}