HNG DN CI TMT S NGUN C BNNGUN EMERSON

Ngun EmersonErmerson 2900(rack 19 in)Ermerson 3200

Ermerson 1800(m cnh ca ra mi thy Rec)

M t chungNgun Emerson 2900 : cng sut ca 1 module ngun l 2900W, ngha l 01 module c ti ln nht l 16A AC (hoc 50A DC)Ngun Emerson 3200 : cng sut ca 1 module ngun l 3200W, ngha l 01 module c ti ln nht l 17A AC (hoc 55A DC)Ngun Emerson 1800 : cng sut ca 1 module ngun l 1800W, ngha l 01 module c ti ln nht l 12A AC (hoc 30A DC)

Board iu khin chnhBoard iu khinMn hnh hin thp DC hin tiDng DC hin ti

Xem in p AC vo t ngunNhn Mi tn xungNhn Mi tn xungMn hnh chnh

Xem in p hin ti ca tng module ngunTrn board iu khin, nhn phm ENT vo MAINMENUNhn ENTNhn Mi tn xungNhn ENT

Xem in p hin ti ca tng module ngunDng DC hin ti ca Rec 1p DC hin ti ca Rec 1in p AC vo Rec1 Rec 1 tr v mn hnh trc, ta nhn nt ESC trn board iu khin

Xem cnh bo l gNhn ENTNhn Mi tn xungNhn ENT

Xa mt cnh bo tt nhng vn hin trn boardKhi thay mt Rec mi vo thay, nhiu ln ta thy Rec tt, c ngun nhng BTS vn cnh bo. Hay khi c 01 REC hng, ta rt Rec hng ra th t ngun vn cnh bo. gii quyt th ta lm nh sau :Rt board iu khin ra (bt buc).ng ngun, i board k khi ng li v xut cnh bo c ra.Vo Main Menu, chn Status, chn Active Alarm, nhn ENT cho n khi alarm mun xa xut hin, nhn phm (mi tn sang phi) s xut hin : Press ENT Clear, ESC Key Quit . Ta nhn ENT xa cnh bo. Khi s xut hin : ACTIVE ALARM NONE

Set-up thng s ngunNhnMi tn xungLu : - Dng phm mi tn xung nhp s- y l Password thng thng. Password cp cao l : 640275 (khng ph bin)

Set-up thng s accu Thng thng, accu s c set-up ng gi tr thc ca accu ti BTS. Khi , thng thng dng np accu = 10% dung lng accu. Vd : dung lng accu = 300 Ah th dng np accu s l 30 A DC.NhnMi tn xungNhnENTNhnENTNhn phm mi tn xung xung ct CapacityNhn phm mi tn tri hay phi gim hay tng dung lng accu.Nhn phm ENT chp nhn gi tr thay i

Set-up thng s in p ti v in p np accuNhnMi tn xungNhnENTNhnENTin p tiin p np accu

Cc bc x l khi nhy CB AC in lc hay khu vc in yu (180V)Gii thch vn : CB AC ca in lc cp cho BTS thng ch l 32A AC. Nu s dng my lnh (khong 5A AC) th ti cp cho BTS ch cn 27A AC (i vi in p chun l 220V AC), tng ng khong 88A DC. in p mt vi ni khi c in li ch khong 180V AC, th ti cp cho BTS ch cn khong 60 A DC (do CB in lc khng thay i ch l 32A AC). Nu set-up dng np chun l 0,1 x dung lng accu nhy CB AC in lc.Tng t nh vy khi chy my n. My n lu ng thng c CS l 5KVA. Nu cung cp cho 01 module ngun (Cng Sut = 54V x 50A/0.8 = 3,3 KVA) th tt nhng chy 02 module (CS = 6,6 KVA) s chy khng ni. Do , thng thng ta ch nn cung cp my n cho 01 pha m thi.

Cc bc x l khi nhy CB AC in lc hay khu vc in yu (180V)Cc bc set-up thng s ngun :B1 : kim tra dng ti hin ti ca trm (khng np accu) bng bao nhiu. Vd : ti DC = 25A DC. Nh vy s cn khong 35A DC np accu. T ta tnh ra dung lng accu hp l ci t l 350 Ah (mc d thc t l accu ca trm hin ti l ln hn nhiu)B2 : xem hng dn trn (slide 14) chnh li dung lng accu = 350 Ah. Nhc im ca phng php ny l accu s lu np y hn (v dng np t hn) so vi chun (khong 14 gi).

Cc bc x l khi nhy CB AC in lc hay khu vc in yu (180V)B3 : Tuy nhin, trong mt vi trng hp in p khi np accu l rt thp (

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