Theo minh hieu QEI la ca mot he thong trong cong nghiep san xuat, tu lap ke hoach, quan ly, quan sat va ca giam sat he thong... ban co the vao trang nay de tim hieu ky hon:
http://www.qei-broadcast.com/products.
Con con IR2104 gia 20000VND (hai muoi nghin viet nam dong chan), con nay ban dung co the dieu khien duoc dong co 1 chieu toi 3KW roi, vi dau ra cua no la Open Colector ma keo duoc dong toi da 360mA nhu the la cao roi (
Vi ca c IC CMOS chi can dong dieu khien nho, chu yeu la dien ap dieu khien cuc Gate (G) de mo thong la bao nhieu thoi), theo minh ban dung 2 con IR2104 va mach cau H (4 bong ban dan IR540) la ban co the dieu khien duoc dong co toi 3kW roi (Minh da dieu khien dong co 1 chieu 2KW thay khong co van de gi ), neu dong co co cong suat lon hon hoac dong co xoay chieu theo minh ban nen dung BIEN TAN thi tot hon.
Ban nen xem ky lai tai lieu con IR2104 va IRF540 lai xem theo minh cac thong co cac con nay du dam bao cho ban dieu khien duoc dong co duoi 4KW roi. Neu muon dong cao hon ban co the dung BUK444 thay cho IRF540