Motori triphas kafin yi motar wahid fas

Waɗannan alƙaɗa yadda ake kula ƙarfafin mafi motoci a matsayin ƙarin bayan abu mai girma da ƙarin bayan abu mai tsarki. Tsawon ƙarfi na musamman tana cikin 70% zuwa 96%. Bara magana na mafi motoci don ake kula a kan: Ƙarin bayan abu mai tsarki (kW) Ƙarfin mafi motoci (%) Yana tabbatar da masana'antu mai tsari, biyu, da uku Kula na baya-baya Muhimman Kalamai Ƙarin Bayan Abu Mai Tsarki: Tsari: P_in = V × I × PF Biyu: P_in = √2 × V × I × PF Uku: P_in = √3 × V × I × PF Ƙarfi: % = (P_out / P_in) × 100% Misalolin Kula Misali 1: Mafi motoci mai uku, 400V, 10A, PF=0.85, P_out=5.5kW → P_in = √3 × 400 × 10 × 0.85 ≈ 5.95 kW Ƙarfi = (5.5 / 5.95) × 100% ≈ 92.4% Misali 2: Mafi motoci mai tsari, 230V, 5A, PF=0.8, P_out=1.1kW → P_in = 230 × 5 × 0.8 = 0.92 kW Ƙarfi = (1.1 / 0.92) × 100% ≈ 119.6% (Babu!) Bayanan Muhimmanci Magana da ƙarin bayan daidai Ba za a iya gudanar da ƙarfi zuwa 100% ba Amfani da ƙaramin kula na ƙarin doka Ƙarfi yana canzawa ta hanyar mu'amala

Na iko da aikace-aikacen da ya kula da slip ta motoci AC induction, wanda yana cikin farkon koɗi na stator magnetic field da rotor speed. Slip yana daya daga cikin manyan abubuwa masu muhimmanci wadanda suka taimaka wa ƙarfafar jirgin ruwa, inganci, da kuma matsayin shirya. Aikace-aikacen ya kunshi: Yadda ake baka synchronous da rotor speed → zama za a yi aikace-aikacen ta slip Yadda ake baka slip da synchronous speed → zama za a yi aikace-aikacen ta rotor speed Yadda ake baka frequency da pole pairs → zama za a yi aikace-aikacen ta synchronous speed Aikace-aikacen na zaman lafiya Tambayar Masu Muhimmiyar Synchronous Speed: N_s = (120 × f) / P Slip (%): Slip = (N_s - N_r) / N_s × 100% Rotor Speed: N_r = N_s × (1 - Slip) Misalai Aikace-aikacen Misali 1: Motoci da 4-pole, 50 Hz, rotor speed = 2850 RPM → N_s = (120 × 50) / 2 = 3000 RPM Slip = (3000 - 2850) / 3000 × 100% = 5% Misali 2: Slip = 4%, N_s = 3000 RPM → N_r = 3000 × (1 - 0.04) = 2880 RPM Misali 3: Motoci da 6-pole (P=3), 60 Hz, slip = 5% → N_s = (120 × 60) / 3 = 2400 RPM N_r = 2400 × (1 - 0.05) = 2280 RPM Tsari Na Iyakokin Zabinta da kuma aikace-aikacen ƙarfafar jirgin ruwa Bayyana da kuma aikace-aikacen abin da suka faru a cikin motoci na ƙasa Karatu: Muhimman abubuwa game da yadda motoci AC induction ke gudanar Bincike tsarin VFD control Bincike ƙarfafar jirgin ruwa da kuma power factor

An tool na ɗace kula masu tattalin 'yan karamin (PF) na mota mai kyau a cikin darajar da ke bayanar masu tattalin da suka faru. Dukun yawan uku na 0.7 zuwa 0.95. Bayyana abubuwan motoci don kula automatic: Masu tattalin (PF) Darajar da ke bayanar (kVA) Masu tattalin mai yawa (kVAR) Tsarin fasa (φ) Yana da shiga waɗanda, biyu, da uku fasa Kungiyoyi na muhimmanci Darajar da ke bayanar: Waɗanda fasa: S = V × I Biyu fasa: S = √2 × V × I Uku fasa: S = √3 × V × I Masu tattalin: PF = P / S Masu tattalin mai yawa: Q = √(S² - P²) Tsarin fasa: φ = arccos(PF) Misalolin Kula Misali 1: Mota uku fasa, 400V, 10A, P=5.5kW → S = √3 × 400 × 10 = 6.928 kVA PF = 5.5 / 6.928 ≈ 0.80 φ = arccos(0.80) ≈ 36.9° Misali 2: Mota waɗanda fasa, 230V, 5A, P=0.92kW → S = 230 × 5 = 1.15 kVA PF = 0.92 / 1.15 ≈ 0.80 Abubuwan Da Yake Da Kyau Bayyana abubuwan da za a fi sani PF ba zan iya sa 1 ba Amfani da alƙakari na ingantaccen gaba-gaba PF yana yawan sama da mafi girma

Haɗin karkar da wannan aikace-aiki yaɗa ƙwarewa cikin motorin induction mai sauyi ɗaya don haka shiga daidai. Yin parametoci na motoci don aikace-aiki yaɗa aicike: Ma'ana ta ƙwarewar shiga (μF) Yana taimakawa masu ƙasa da 50Hz da 60Hz Aikace-aiki mai biyuwa Dabba ta ƙwarewar Rubutu Mai Yawa Aikace-aiki ƙwarewar shiga: C_s = (1950 × P) / (V × f) Me: C_s: Ƙwarewar shiga (μF) P: Karamin motoci (kW) V: Faduwar (V) f: Tashin lokaci (Hz) Misalolin Aikace-aiki Misali 1: Karamin motoci=0.5kW, Faduwar=230V, Tashin lokaci=50Hz → C_s = (1950 × 0.5) / (230 × 50) ≈ 84.8 μF Misali 2: Karamin motoci=1.5kW, Faduwar=230V, Tashin lokaci=50Hz → C_s = (1950 × 1.5) / (230 × 50) ≈ 254 μF Bayanan Muhimmiya An yi amfani da ƙwarewar shiga kawai a lokacin shiga Amfani da ƙwarewar CBB kawai Ya kamata a kawo ta bayan shiga Faduwar da tashin lokaci ya kamata su duka