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STech/ I nt er nat i onal , I nc.pr ovi desbackuppower sol ut i ons f orcabl e/ br oadband,t el ecom and ut i l i t i esi ndust r i es.ESTech’ spr oduct sof f er i ng i ncl udes acompl et e l i neAC&DC UPSsyst ems, bat t er i es, encl osur es, aut opowerdi st r i but or andaccessor i es.

Pr oductI nt r oduce

SUNSer i es

-Cabl e/ Br oadbandUPS -Quasi squar eout putwavef or m -Mi ni at ur i zat i onandl ow oper at i onnoi se. -Fr ontLCDPanelf orsyst em moni t or i ng. -Opt i onal“ NMS”modul e. -Compat i bi l i t ywi t hESTECH encl osur eser i es.

-Cabl e/ Br oadbandUPS :Bui l t i nt ype -Tr ueSi neout putwavef or m -Lowoper at i onnoi seandheat , hi ghef f i ci ency -Repl acementI nver t er , Cont r ol l ermodul e,andBat t er i es wi t houtout puti nt er r uptby ByPassf unct i on. -LEDdi spl ayf orsyst em moni t or i ng.

PSM Ser i es

ESM Ser i es

-NonSt andbyPowerSuppl y -Tr ueSi neout putwavef or m -Out putRegul at i on:±5%,±10% -Lowoper at i onnoi seandheat , hi ghef f i ci ency -LEDI ndi cat orf orI nput/Out put st at us

-Engi neer edt oaccommodat e out doorpower i ngappl i cat i ons i npol eorwal lmount conf i gur at i ons. -Sl i di ngbat t er yt r aywi t h l ocki n/ l ockoutf eat ur esSt andar d ES En c l os ur e -Pr ovi di ngvar i ousI nput / Outpor t s.

Cabl e/ Br oadbandUPS( Quasi squar eout putwavef or m) TheSUNser i es Uni nt er r upt i bl ePower Suppl i espower ssi gnal pr ocessi ngequi pment i ncabl et el evi si onand br oadbandLANdi st r i but i onsyst ems. TheSUNt r ansf or mermodul epr ovi desacr i t i call oad wi t hcur r ent l i mi t ed, r egul at ed, ACpowert hati sf r ee ofspi kes,sur ges,sagsandnoi se. Dur i ngACl i neoper at i on,ACpowerent er i ngt heUPS i sconver t edi nt oaquasisquar ewaveandi sr egul at ed byaf er r or esonantt r ansf or meratt her equi r edout put vol t age.Ther egul at edvol t agei sconnect edt ot he l oadvi at heout putconnect or s,andsomepoweri s di r ect edt ot hebat t er ychar gert omai nt ai naf l oat char geont hebat t er i es. Whent hei ncomi ngACl i nevol t agesi gni f i cant l y devi at esf r om nor mal ,t heSUNUPSi nver t ermodul e aut omat i cal l yswi t chest ost andbyoper at i onand mai nt ai nspowert ot hel oad.Dur i ngt heswi t cht o st andbyoper at i on,ener gyi nt hemodul e’ s f er r or esonantt r ansf or mercont i nuest osuppl ypower t ot hel oad.I nst andbymode,t heSUNpower st he l oadunt i lt hebat t er yvol t ager eachesal owbat t er y cut of fpoi nt . Whenut i l i t ypowerr et ur ns,t heSUNUPSt r ansf or mer modul ewai t sashor tt i mef ort heut i l i t yvol t ageand f r equencyt ost abi l i zeandt heni ni t i at esasmoot h, i nphaset r ansf erbackt oACl i nepower .Oncet he t r ansf eri scompl et e,t hebat t er ychar gerr echar ges t hebat t er i esi npr epar at i onf ort henextevent . TheSUNUni nt er r upt i bl ePowerSuppl ycont ai ns ani mpr essi vel i stoff eat ur es,i ncl udi ng: •LCDpanel •Bui l t i nsel ft est •Bat t er yt est •Ahi ghef f i ci encyt r ansf or mer •I nputpor tf orPowervi aPor t abl eGener at or •Emer gencyBypassswi t ch •NMSmodul e( opt i onal )

-1Copy r i ght©2010ESTECH/ I NTERNATI ONAL,I NC. .Al l Ri ght sRes er v ed.


Themodul arSUNUPSi sc ompos edoft he: •Tr ans f or mermodul e,whi c hac t sasas t andal onel i ne c ondi t i oner .Thet r ans f or mermodul ec ont ai nsaf er r or es onant t r ans f or mer ,r es onantc apac i t or ,andt r ans f eri s ol at i onr el ay .

Tr ans f or mer Modul e

I nv er t er Modul e

NMS Modul e

•I nv er t ermodul e,whi c hi sr equi r edf ors t andbyoper at i ons , andc ont ai nsc i r c ui t r yneededf ort het hr ees t aget emper at ur e c ompens at edbat t er yc har ger ,DCt oACc onv er t er( i nv er t er ) , ACl i nedet ec t or s ,andLCDDi s pl ay . •Opt i onal NMSmodul e,us edt opr ov i deex t er nal s t at us moni t or i ngandc ommuni c at i ons .

AC( Li ne)Oper at i on Dur i ngACLi neoper at i on,ut i l i t ypoweri sr out edi nt ot hepr i mar ywi ndi ngoft hef er r or esonantt r ansf or mert hr ought he cont act soft het r ansf eri sol at i onr el ay.Si mul t aneousl y,i nt hei nver t er ,poweri sdi r ect edt ot her ect i f i erci r cui t r ypr ovi di ng powerf ort hecont r olci r cui t r y.Thebi di r ect i onali nver t eral soser vesasabat t er ychar gerdur i ngl i neoper at i on. Thef er r or esonantt r ansf or merandanACcapaci t orf or mt her esonantt ankci r cui t ,whi chpr ovi desexcel l entnoi seand spi keat t enuat i on,out putshor tci r cui tcur r entl i mi t i ng,andout putvol t ager egul at i on.Thef er r or esonantt r ansf or mer pr oducesaquasisquar ewaveout putwhi chr esembl esar oundedsquar ewave.

St andbyOper at i on

Whent hei ncomi ngACl i nevol t agedr opsorr i sessi gni f i cant l y,oracompl et epowerout ageoccur s,t hecont r oll ogi c’ sl i ne moni t oract i vat esst andbyoper at i on. Dur i ngt het r ansf erf r om ACl i net ost andbyoper at i on,t hebat t er ypower edi nver t er comesonl i neast hei sol at i onr el ayswi t chest opr eventACpowerf r om backf eedi ngt ot heut i l i t y.Theener gycont ai ned i nt hef er r or esonantt r ansf or mercont i nuest osuppl ypowert ot hel oad. Thef ol l owi ngchangesal sooccurwi t hi nt heSUNUPS

Char gerOper at i on TheSUNUni nt er r upt i bl ePowerSuppl yusesat hr eest age,t emper at ur ecompensat ed bat t er ychar ger .Dur i ngACl i neoper at i on,t hei nver t erwi ndi ngont hef er r or esonantt r ansf or mer f eedst hechar gerci r cui twhi chpr ovi desFLOATchar gevol t agest ot hebat t er i es.

-2Copy r i ght©2010ESTECH/ I NTERNATI ONAL,I NC. .Al l Ri ght sRes er v ed.


I nt heev entofanex t endedut i l i t yf ai l ur eanex t er nal ACor DCpowers uppl yc anpr ov i debac k uppowert ot hes y s t em. Thebac k uppowerenabl est hepowers uppl yt oc ont i nue c har gi ngt hebat t er i esens ur i ngi nt er r upt eds er v i c et ot he net wor k .Fol l owt hepr oc edur esasout l i nedi nt he doc ument at i onandc onnec t i onpr oc edur esl i s t edbel ow. DCPower i ng ThePor t abl eGener at orpr ov i desac onv eni entmet hodof pr ov i di ngbac k upDCpower .Upont hel os sofc ommer c i al ACpower ,t heex i s t i ngbat t er ys t r i ngsi mmedi at el ys uppl y v ol t aget ot hei nv er t ermodul e.Af t ers omepoi ntofbat t er y di s c har ge,apor t abl egener at orc anbedepl oy edt ot hes i t e t os uppl ypowert ot heDCbus . ACPower i ng Shoul di tbec omenec es s ar yt opowert heCATVs y s t em wi t h apor t abl eACgener at or , t r uc k mount edAC gener at or , ort r uc k mount edi nv er t er ,f ol l owt hepr oc edur esbel owf ort he pr ot ec t i onofs er v i c eper s onnel andpower i ngs y s t em equi pment .

-3Copy r i ghtŠ2010ESTECH/ I NTERNATI ONAL,I NC. .Al l Ri ght sRes er v ed.


Thef ol l owi ngt abl esshowt heel ect r i cal ,mechani cal , andphysi calspeci f i cat i onsf ort hevar i ousmodel sof t heSUNUPSser i es.

-3Copy r i ght©2010ESTECH/ I NTERNATI ONAL,I NC. .Al l Ri ght sRes er v ed.

ESTECH’ Cabl e/ Br oadbandUPS Li neupi sav ai l abl er i ghtnow. f ormor ei nf or mat i ononpr oduc tav ai l abi l i t yandpr i c i ng.t ec hni c al dat a. pl eas ec ont ac tESTECH Sal esr epr es ent at i v esati nf o@es t ec h. c o. k r

-4Copy r i ght©2010ESTECH/ I NTERNATI ONAL,I NC. .Al l Ri ght sRes er v ed.

CATV UPS  

cable/broadband ups for CATV

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