銆�銆�鍥炴巸璁婂�撳櫒鍏锋湁鎴愭湰浣�銆佽ō(sh猫)瑷�(j矛)绨″柈銆佹晥鐜囬珮绛夌壒榛�(di菐n)锛屽唬娉涙噳(y墨ng)鐢ㄤ簬100W浠ヤ笅鑷�150W闆绘簮銆傝垏鍏跺畠鍏锋湁椤炰技鎷撴ǜ绲�(ji茅)妲�(g貌u)鐨勯浕璺�鐩告��锛屽洖鎺冭畩澹撳櫒閭勫叿鏈夐殧闆�涓诲壇绱氱殑鐗归��(di菐n)锛屽苟鍙�鎻愪緵澶氳几鍑猴紝浠ュ強鐐鸿几鍑洪伕鎿囨�ｈ矤(f霉)闆诲��銆�

涓嬪垪鏂圭▼甯哥敤浜庣⒑瀹氬洖鎺冭畩澹撳櫒锛岄毃鍗崇敤涓�鍊嬪吀鍨嬬殑瑷�(sh猫)瑷�(j矛)绀轰緥瑙ｉ噵濡備綍浣跨敤閫欎簺鏂圭▼銆�

銆�銆�浠�V= L dj/dt,Vin,min = (LpIppf)/(蟽max)

銆�銆�鍏朵腑锛孷in = 杓稿叆闆诲��, V

銆�銆�Lp = 鍒濈礆绶氬湀闆绘劅, mH

銆�銆�Ipp = 宄板�奸浕娴�, A

銆�銆�蟽max = 鍗犵┖姣�, 渭s

銆�銆�f = 闁嬮棞(gu膩n)闋荤巼, kHz

銆�銆�灏嶉枔鏂锋ā寮忚�岃█锛�

銆�銆�闆绘簮杓稿嚭 = 1/2*Lp*Ipp*f

銆�銆�Ipp = (2Pout)/(Vin,min* 蟽max)

銆�銆�濡備笂鎵�杩�锛屽洖鎺冭畩澹撳櫒鐨勮��(di脿o)绡�(ji茅)鏄�閫氶亷PWM瀹屾垚鐨�銆傚�傛灉璁婂�撳櫒Vin闆诲�撳緸Vin,min澧炲ぇ鍒癡in,max锛岄偅涔�

銆�銆�蟽min = (蟽max) / ((1- 蟽max)C + 蟽max)

銆�銆�閫欓噷C = Vin,max / Vin,min

銆�銆�鐢变簬Ipp鏄�宸茬煡鐨�锛�

銆�銆�Lp = (Vin,min* 蟽max) / (Ipp*f)

銆�銆�鐩＄�¤��(sh猫)瑷�(j矛)鑰呴渶瑕佷緷闈犻伕鎿囬惖蹇冩潗鏂欑殑缍�(j墨ng)椹�(y脿n)锛岄�欏儏鏈冩彁渚涜繎浼肩祼(ji茅)鏋溿�備笅鍒楀叕寮忓彲鎻愰珮浼拌▓(j矛)绲�(ji茅)鏋�銆�

銆�銆�Ac*Ae = (((6.33*4)*Lp*Ipp*D)*10~8) / Bmax.

銆�銆�閫欓噷Ac = 绶氬湀闈㈢�� cm

銆�銆�Ae = 閻靛績鏈夋晥闈㈢��, cm

銆�銆�Bmax = Bsat/2, Gauss. 鍙�鍚戦惖蹇冨埗閫犲晢鍜ㄨ�㈡湁闂�(gu膩n)鏉愭枡銆佹悕鑰�-闋荤巼绛変俊鎭�銆�

銆�銆�D = 灏�(d菐o)绶氱洿寰�, 鑻卞��

銆�銆�鐢变簬鍥炴巸璁婂�撳櫒閲囩敤鍠�绔�閰嶇疆锛屽儏浣跨敤涓�鍗婇�氶噺閰嶇疆锛屾墍浠ュ繀闋堢偤鍥炴巸璁婂�撳櫒瑷�(j矛)绠楃┖姘ｉ枔闅�銆傞�欐ǎ鏈冨皫(d菐o)鑷撮惖蹇冮＝鍜屻��

銆�銆�Gap (cm) = lg = ((0.4*螤*Lp*Ipp)*108) / (Ae*Bmax)

銆�銆�鐣�(d膩ng)绌烘埃闁撻殭闀峰害纰哄畾鍚�锛屼富绱氬拰娆＄礆绶氬湀鐨勫湀鏁�(sh霉)涔熷彲浠ョ⒑瀹�銆�

銆�銆�Npri = (Bmax*lg) / (.4*螤*Ipp)

銆�銆�Nsec = (Np(Vp + Vd) (1-蟽max)) / (Vin,min* 蟽max)

銆�銆�涓嬮潰鐨勭ず渚嬫槸浠嬬垂濡備綍瑷�(sh猫)瑷�(j矛)闁撴柗妯″紡鐨勫洖鎺冭畩澹撳櫒銆傜従(xi脿n)浠ｈō(sh猫)瑷�(j矛)鍒╃敤PFC (鍔熺巼鍥犲瓙鏍℃��)锛屽湪鏁存祦鍚庣珛鍗冲畾浣嶃�傞�氬父閲囩敤鎻愬崌鎷撴ǜ鐢ㄤ簬鍕曟厠(t脿i)鐗规�у拰杓稿叆闆诲�撹寖鍦�銆傛湰绀轰緥涓嶆秹鍙奝FC銆�

銆�銆�瑷�(sh猫)瑷�(j矛)鍙冩暩(sh霉)

銆�銆�Vinput = 85鑷�132 VAC

銆�銆�Voutput = 5VDC @ 10A = 50鐡�

銆�銆�闋荤巼 = 100kHz

銆�銆�鍋囪ō(sh猫) 蟽max = .45

銆�銆�鍥炴巸鏄�涓�绋�闆昏矾鐨勬灦妲�(g貌u)鏂瑰紡锛屽張鍙�鍙嶆縺?锛涜矡鍜﹀剶娴╅�惰お鑿�?y墨ng)鐢ㄤ簡鍥炴巸闆昏矾鐨勮畩澹撳櫒銆�

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