{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Variable frequency drives, part 1: the technology: this five-part series will cover variable frequency drives and their applications in air ... Costs?): An article from: ASHRAE Journal","author_name":"John Dieckmann, Kurtis McKenney, James Brodrick","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0045GGJ2S.html\">Variable frequency drives, part 1: the technology: this five-part series will cover variable frequency drives and their applications in air ... Costs?): An article from: ASHRAE Journal</a>","width":400,"height":300}