Khatiso ea 1449 ea UL 4—Free Download


Tekanyetso e Hlokahalang ea Polokeho bakeng sa Lisebelisoa tsa Ts'ireletso ea Surge

Tekanyetso e sa tsoa fanoa ea UL 1449 bakeng sa Lisebelisoa tsa Ts'ireletso ea Surge bakeng sa polokeho ebile ke maemo a khethiloeng bakeng sa lisebelisoa tsohle tsa ts'ireletso ea AC (SPDs).

Tlhaloso ea Semmuso

Litlhoko tse koahelang lisebelisoa tsa ts'ireletso (SPDs) tse etselitsoeng ho fokotsa makhetlo a mangata a maqhubu a motlakase joalo ka ha ho boletsoe ho standard ho li-circuits tsa motlakase tsa 50 kapa 60 Hz tse sa feteng 1000 V.

Kamoo Maemo a Amang Ts'ebetso ea Ts'ireletso ea Surge

  • Tekanyetso ea UL 1449 e totobatsa liteko tse fapaneng tseo li-OEM li lokelang ho li fetisa ho tseka hore li latela
  • Li-SPD tse tloaelehileng li tlameha ho ba le setifikeiti sa UL 1449 ho fihlela maemo a polokeho bakeng sa mebaraka e itseng

UL-1449-4th-Edition-E Tloaelehileng-bakeng------Surge-Devices-pic1

Mefuta ea SPD e koahetsoeng

Mofuta oa SPD

Tšebetso

thaepa 1

  • Li-SPD tse hokahantsoeng ka ho sa feleng tse reretsoeng ho kengoa pakeng tsa sekhahla sa phetoho le litšebeletso

  • E kentsoe ntle le ts'ebeliso ea sesebelisoa se sireletsang sa "overcurrent" sa kantle

thaepa 2

  • Li-SPD tse hokahantsoeng ka ho sa feleng tse reretsoeng ho kenya ka lehlakoreng la mojaro oa sesebelisoa sa ts'ebeliso ea lisebelisoa tsa ts'ebeletso

thaepa 3

  • Lintlha tsa ts'ebeliso ea li-SPD

  • E kentsoe ka bonyane bolelele ba mokhanni oa limithara tse 10 (maoto a 30) ho tloha phaneleng ea litšebeletso tsa motlakase

thaepa 4

  • Seboka sa motsoako e nang le mofuta o le mong kapa ho feta tsa Mofuta oa 5 (hangata MOV kapa SASD)

  • E tlameha ho latela liteko tse haelloang tsa hajoale le In

  • Ha e hlahlojoe e le lisebelisoa tse ikemetseng ho etsa liphoso tse mahareng le tse phahameng tsa hajoale

thaepa 5

  • Likhatello tse ikhethileng tsa khatello ea lisebelisoa tse kang likarolo tsa ts'ebetso (MOV kapa SASD)

  • E kanna ea beoa ho PCB e hokahaneng le litsupa

  • E ka sebelisoa ka har'a sebaka se koetsoeng ka mekhoa e ntseng e eketseha le ho emisa wiring

  • Ha e hlahlojoe tlaase haholo, maqhubu a bohareng kapa a phahameng a liphoso

  • E tlameha ho hlongoa kahare ho sebaka se seng

Ho etsa liteko ke senotlolo

Ho bohlokoa ho lenane la UL ke tlhahlobo e lekantsoeng. Tafole ena e fana ka lintlha tsa melaoana ea liteko bakeng sa likopano tsa mofuta oa 4 le Type 5 SPD.

Teko ea LitekoTšoaea 4 SPDTšoaea 5 SPD
I Leakage (qalong)hlokehanghlokehang
Dielectric gagamalo mamellahlokehanghlokehang
Vn (Pele le kamora ho kena)hlokehanghlokehang
Nako ea ho tlosoa ha lebitso la boits'oaro (In)hlokehanghlokehang
O lekantsoe lekanyetsa gagamalo (MLV)hlokehanghlokehang
MohanyetsihlokehangHa e sebetse
Meeli ea HajoalehlokehangHa e sebetse
Tsoelo-pele e matlafatsangHo ikhethelaHo ikhethela
Phoso le OvercurrentHo ikhethelaHo ikhethela
Ho hanyetsa ho kenya letsohoHo ikhethelaHo ikhethela
I Leakage (qalong)hlokehanghlokehang

Litlhaku tse Hlokehang

Kamora ho fumana setifikeiti sa UL, moetsi o nka boikarabello ba ho fihlela litekanyetso ka botebo. Li-SPD tsohle li kenyelletsa matšoao a hlakileng le a sa feleng ho netefatsa hore tharollo eo u e khethang e kopana le UL 1449.

  • Lebitso la moetsi
  • Nomoro ea Catalog
  • Mofuta oa SPD
  • Lintlha tsa motlakase
  • Boemo ba ho tsoa ha lebitso ka lebitso (In)
  • Palo e kahodimodimo ea ts'ebetso ea voltage e sebetsang e tsoelang pele (MCOV)
  • Tekanyo ea ts'ireletso ea Voltage (VPR)
  • O lekantsoe lekanyetsa gagamalo (MLV)
  • Letsatsi kapa nako ea tlhahiso
  • Tekanyetso ea hajoale ea potoloho e khutšoane (SSCR)

Mofuta oa likopano tsa mofuta oa 4 le Type 5 SPDs li hloka MLV, MCOV, voltage e sebetsang, le In ratings. Bakeng sa Mofuta oa 5 SPDs litekanyetso tsena li ka fanoa ka maqephe a data.

Lenane la mantsoe a bohlokoa

  • Molato hona joale - Hajoale ho tsoa sistimi ea motlakase e phallang ka potoloho e khuts'oane
  • Palo e kahodimodimo ea ho sebetsa gagamalo (MCOV) - Boholo ba motlakase bo ka sebelisoang ka ho tsoelang pele ho SPD
  • Ho lekantsoe lekanyetsa gagamalo - Boholo ba boholo ba motlakase bo lekantsoe ha ho sebelisoa In
  • Ka lebitso tjhajoloha jwale (Ka) - Boleng ba tlhoro ea morao-rao (sebopeho sa maqhubu a 8 x 20) se tsamaisoang ka makhetlo a 15 a SPD (SPD e tlameha ho lula e sebetsa)
  • Ka lebitso gagamalo ho sebetsa - Matla a tloaelehileng a motlakase oa AC oa sistimi
  • Lebitso la motlakase (Vn) - Voltage ea DC e lekantsoe ho pholletsa le SPD ha 1mA e phalla
  • Tekanyetso ea hajoale ea potoloho e khutšoane (SCCR) - Ho tšoaneleha ha SPD ho mamella potoloho e khuts'oane e phatlalalitsoeng ho tsoa mohloling oa matla
  • Tekanyo ea ts'ireletso ea Voltage (VPR) Tekanyo ea gagamalo e khethiloeng lenaneng la litekanyetso tse khethiloeng ha leqhubu la 6kV 3kA le sebelisoa

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Khatiso ea UL 1449 4th Maemo a Hlokahalang a Polokeho bakeng sa Lisebelisoa tsa Ts'ireletso ea Surge Papge 1