Na terata e sootho ke positive kapa negative?

Lithapo tsa lekala tsa AC le tsa DC li na le mebala-bala ho etsa hore ho be bonolo ho khetholla pakeng tsa lithapo tse fapaneng. Ka 2006, mabitso a mebala ea lithapo tsa UK a ile a lumellana le litlhaloso tsa mebala ea lithapo linaheng tse ling tsa Europe ho lumellana le maemo a machaba a IEC 60446. Ka lebaka la liphetoho, terata e putsoa joale ke terata e sa nke lehlakore 'me mola o motala / mosehla ke fatshe. , mme terata e sootho eo ho buuoeng ka eona sehloohong sena joale ke terata e phelang. Joale u ka 'na ua botsa, na terata e sootho e ntle kapa e mpe?

Tsoela pele ho bala ho utloisisa hamolemo litšebeliso le mesebetsi ea terata e sootho (e phelang).

Brown terata: positive negative?

Ho Khomishene ea Machabeng ea Motlakase oa Motlakase (IEC) DC likhoutu tsa mebala ea likhoele tsa motlakase, terata e sootho, eo hape e bitsoang live wire, ke terata e positi, e ngotsoeng "L+". Mosebetsi oa terata e sootho ke ho isa motlakase ho sesebelisoa. Haeba terata e sootho e ntse e sebetsa 'me e sa hokahanngoa le thapo ea fatše kapa e sa nke lehlakore, ho na le monyetla oa hore u tšoaroe ke motlakase. Ka hona, pele u qala ho sebetsa ka wiring, etsa bonnete ba hore ha ho mohloli oa matla o hokahaneng le terata e phelang.

Ho utloisisa Melao ea Mebala ea Wiring

Ka lebaka la liphetoho tsa likhoutu tsa mebala ea lithapo, lithapo tse kholo tse tsitsitseng le lithapo tsa motlakase, le likhoele leha e le life tse tenyetsehang, joale li na le likhoele tsa 'mala o tšoanang. UK ho na le phapang pakeng tsa mebala ea bona ea khale le e mecha ea terata.

Wiring e putsoa e sa jeleng paate e ile ea nkela sebaka sa pele sa terata e ntšo e sa jeleng paate. Hape, mohala oa khale o mofubelu o phelang hona joale o sootho. Lithapo li lokela ho tšoauoa ka mokhoa o nepahetseng ka likhoutu tsa mebala ea terata e loketseng haeba ho na le motsoako ofe kapa ofe oa mebala ea lithapo tsa khale le tse ncha ho thibela khokahanyo e fosahetseng ea karolo le ho se nke lehlakore. Mohala o moputsoa (o sa nke lehlakore) o nka matla ho tloha sesebelisoa, 'me terata e sootho (e phelang) e fana ka matla ho sesebelisoa. Motsoako ona oa lithapo o tsejoa e le potoloho.

Mohala o motala/mosehla (fatše) o sebeletsa morero oa bohlokoa oa polokeho. Phetiso ea motlakase ea thepa efe kapa efe e tla lula e latela tsela ea lefats'e e fanang ka khanyetso e nyane. Hona joale, kaha motlakase o ka feta 'meleng oa motho tseleng ea fatše ha lithapo tse phelang kapa tse sa jeleng paate li senyehile, sena se ka eketsa kotsi ea ho tsosoa ke motlakase. Tabeng ena, mohala o motala / mosehla oa fatše o theola sesebelisoa ka katleho, o thibela sena ho etsahala.

Tlhokomeliso: Lithapo tse tsitsitseng le lithapo tsa mebala e fapaneng, hammoho le tse kentsoeng ka liketane, li tlameha ho tšoauoa ka matšoao a lemosang. Temoso ena e tlameha ho tšoauoa botong ea fuse, sekhechana sa potoloho, switchboard kapa yuniti ea bareki.

IEC Power Circuit DC Wiring Color Codes 

Likhoutu tsa mebala li sebelisoa litsing tsa motlakase tsa DC tse lumellanang le maemo a AC joalo ka matla a letsatsi le litsi tsa data tsa khomphutha.

Lenane le latelang ke lethathamo la mebala ea lithapo tsa motlakase tsa DC e tsamaellanang le maemo a IEC. (1)

Mosebetsi	lengolo	Mobala
Lefats'e le Sireletsang	PE	Botala bo mosehla
2-Wire Ungrounded DC Power System
terata e ntle	L+	Brown
terata e mpe	L-	E khutsu
Sistimi ea matla ea DC e nang le terata e 2
Positive negative ground loop	L+	Brown
Potoloho e mpe (negative grounded).	M	putsoa
Positive (positive ground) potoloho	M	putsoa
Potoloho e mpe (positive ground).	L-	E khutsu
Sistimi ea matla ea DC e nang le terata e 3
terata e ntle	L+	Brown
Mohala o mahareng	M	putsoa
terata e mpe	L-	E khutsu

Likopo tsa mohlala

Haeba u sa tsoa reka thepa ea mabone 'me u leka ho e kenya US, joalo ka lebone la ho paka la LED kapa mabone a polokelo. Leseli le sebelisa litekanyetso tsa wiring tsa machabeng mme ka mokhoa ona, ho bapisa ho bonolo haholo:

• terata e sootho ho tloha ho leseli la hau ho ea ho terata e ntšo e tsoang moahong oa hau.
• Khoele e putsoa ho tloha ho lebone la hau ho ea ho terata e tšoeu e tsoang moahong oa hau.
• Botala bo nang le mola o mosehla ho tloha sebakeng sa hau ho ea ho terata e tala ea moaho oa hau.

Mohlomong u tla hokela lithapo tse ling ho likhoele tse sootho le tse putsoa tsa sesebelisoa sa hau haeba u sebelisa li-volts tse 220 kapa ho feta. Leha ho le joalo, li-voltages tse phahameng li lokela ho sebelisoa feela maemong a feteletseng. Lisebelisoa tse ngata tsa sejoale-joale tsa LED li hloka feela 110 V, e lekane. Lebaka le le leng feela le utloahalang la sena ke ha ho e-na le mela e melelele, e kang ho matha maoto a 200 kapa ho feta a marang-rang ho ea mabaleng a lipapali a bobebe, kapa ha setsi se se se hokahane le 480 volts. (2)

Sheba tse ling tsa lingoliloeng tsa rona tse ka tlase.

• terata e tšoeu e ntle kapa e mpe
• Mokhoa oa ho tsamaisa likhoele tsa motlakase kamoreng e ka tlase e sa phethoang
• Lebone le boholo ba terata ke bofe

likhothaletso

(1) IEC - https://ulstandards.ul.com/ul-standards-iec-based/

(2) LED - https://www.britannica.com/technology/LED