{"product_id":"southwest-windpower-whisper-500-upper-head-assembly","title":"Southwest Windpower Whisper 500 Upper Head Assembly","description":"\u003cp\u003e\u003cstrong\u003eSouthwest Windpower Whisper 500 Upper Head Assembly Only\u003c\/strong\u003e\u003c\/p\u003e    \u003cp\u003e\u003cstrong\u003eincludes Stator assembly, spindle, bearing rotor can and hardware\u003c\/strong\u003e\u003c\/p\u003e    \u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003cspan style=\"FONT-FAMILY: Arial\"\u003eThe Whisper 500 is a 3000-watt rated turbine that will deliver in excess of 500 kWh per month in a 12 mph wind. This machine has a 14-foot, 2 blade rotor providing 500 sq. ft. of swept area. It features a handmade fiberglass and foam core blade for smooth, high efficiency operation and low wind start-up. It also incorporates the patented “angle governor” design for quiet operation in high winds. The 500 is an excellent machine for village power projects, farms, ranches, backup power and remote homes with large energy demands. The Whisper 500 comes in two boxes and is shipped truck freight.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003cspan style=\"FONT-FAMILY: Arial\"\u003eThe Whisper 500 is available in 24-volt and 48-volt versions.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e\u003cfont\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cspan style=\"font-weight: bold;\"\u003eEnhancements to WHISPER 500.\u003c\/span\u003e\u003cbr\u003e  \u003cbr\u003e  By changing the furling angle upwards now more force from wind is required to furl the turbine. This leads to less number of furling actions and now the unit furls at 12m\/s or above, previously the unit would furl at 10m\/s. This creates more power and less mechanical stress on the unit.\u003cbr\u003e  \u003cbr\u003e  The alternator windings including the stator core and the rotor can at peak power can provide more than 3.5 KW output compared to the 2.8 KW output of the previous model. \u003c\/span\u003e\u003c\/font\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cfont\u003eAfter redesigning the stator winding peak temperature is now only 55oC compared to previous version which had temperature of 110oC. The units now have “H” class insulation which can withstand up to 180oC compared to the \"F\" class previously used by SWWP which was only rated to 150 oC\u003c\/font\u003e\u003cfont\u003e This reduction in temperature generated and higher temp rating of insulation reduces failure due to a short circuit.\u003c\/font\u003e\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cfont\u003eThe\u003c\/font\u003e\u003cfont\u003e winding coils \u003c\/font\u003e\u003cfont\u003ein Whisper 500 are \u003c\/font\u003e\u003cfont\u003eimpregnated with varnish in a vacuum furnace. \u003c\/font\u003e\u003cfont\u003eThe coils \/winding are therefore impervious to atmospheric conditions such as water and other elements through its life time.\u003c\/font\u003e\u003c\/span\u003e\u003c\/p\u003e    \u003cp\u003e12 Month Warranty\u003c\/p\u003e    \u003cp class=\"SpecContent\"\u003e\u003cspan style=\"FONT-SIZE: small\"\u003e\u003cspan style=\"FONT-FAMILY: Arial\"\u003e\u003cstrong\u003ePLEASE ALLOW 2-3 WEEKS FOR DELIVERY\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"SouthWest Windpower","offers":[{"title":"Default Title","offer_id":55064668766547,"sku":"P1-w500","price":2534.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1076\/9324\/4755\/files\/whisper500_36830fe4-e54a-4ec9-a7e7-66abc64afc1d.jpg?v=1790372775","url":"https:\/\/progradewarehouse.com\/products\/southwest-windpower-whisper-500-upper-head-assembly","provider":"PRO GRADE WAREHOUSE","version":"1.0","type":"link"}