Mphamvu yamagetsi pa Nyali za LED

Mphamvu yamagetsi ndi gawo lofunikira la nyali zoyendetsedwa, ziribe kanthunyali za LED zowonjezeredwakapena Dry LED nyali. Ndiye tiyeni timvetsetse kuti mphamvu ndi chiyani.

1, Mphamvu
The mphamvu factor amaonetsa luso laNyali ya LEDkutulutsa mphamvu yogwira ntchito. Mphamvu ndi muyeso wa kuchuluka kwa mphamvu zotumizira mphamvu, ndipo m'mabwalo a DC ndizomwe zimapangidwa ndi voteji V ndi A panopa. harmonic panopa, zomwe zimapanga mphamvu zowoneka (voltage Volt ndi Amps panopa) zazikulu kuposa mphamvu zenizeni. Kusiyanitsa pakati pa mphamvu zowoneka ndi mphamvu zenizeni kumatsogolera ku chinthu cha mphamvu, ndipo mphamvu yamagetsi ndi yofanana ndi chiŵerengero cha mphamvu zenizeni ndi mphamvu zowonekera. Chifukwa chake mphamvu zenizeni mudongosolo la AC ndizofanana ndi nthawi yodalira mphamvu yamagetsi.
Ndiko kuti: mphamvu = mphamvu yeniyeni / mphamvu yowonekera. Mphamvu yokhayo ya katundu wa mzere monga chotenthetsera chamagetsi ndi babu yamagetsi ndi 1. Kusiyana pakati pa mphamvu yeniyeni ndi mphamvu yowonekera ya zipangizo zambiri ndi yaying'ono kwambiri komanso yosasamala, pamene kusiyana pakati pa zida za capacitive monga nyali ndi zazikulu kwambiri komanso zofunika. .

2. Mphamvu zowonekera
Mphamvu yogwira: chopangidwa ndi AC voteji ndi AC yapano. Ndi fomula monga: S=UI. Kumene S amavotera mphamvu yotulutsa mu VA (volt-ampere); U adavotera mphamvu yotulutsa mu V, monga 220V, 380V, ndi zina; Ndidavoteredwa panopa mu A. Mphamvu yowonekera imakhala ndi magawo awiri: mphamvu yogwira ntchito (P) ndi mphamvu yogwira ntchito (Q). Mphamvu yogwira ntchito imatanthawuza gawo la ntchito yomwe yachitika mwachindunji. Mwachitsanzo, kuyatsa, kuzungulira kwa injini, ntchito yoyendera magetsi. Chifukwa mphamvu iyi yakhala kutentha, ikhoza kumveka mwachindunji ndi anthu, kotero anthu ena ali ndi chinyengo, ndiko kuti, mphamvu yogwira ntchito monga mphamvu yowonekera, amene amadziwa mphamvu yogwira ntchito ndi gawo chabe la
Mphamvu yowonekera, ndi chilinganizo: P = Scos θ = UIcosθ = UIF. Kumene P ndi mphamvu yogwira ntchito mu W (watts); F=cos θ imatchedwa mphamvu yamagetsi, ndipo θ ndiye kusiyana kwa magawo osiyanasiyana amagetsi pamtundu wosagwirizana. Mphamvu yogwira ntchito ndi gawo la mphamvu yosungidwa mu dera koma osagwira ntchito mwachindunji, yofotokozedwa ndi ndondomeko: Q = Ssin θ = UIsinθ. Kumene Q ndi mphamvu yogwira ntchito mu var (kusowa).

ZaNyali za LEDndi mabwalo ena onse amagetsi omwe amagwira ntchito pamagetsi a DC, ndizosatheka kugwira ntchito popanda mphamvu.