Solar photovoltaic (PV) cable gaw PV array shagu a n-htum n-wai ai shingdu shingna rai nga ai. DC power hpe module kaw nna inverter ni de htawt sit ya ai, grup yin a n-gun atsam kaw na system hpe makawp maga ya ai, n kaja ai hku lata la ai (sh) n kaja ai hku bang ai shaloi - gaw system a bungli galaw ai lam hte kam hpa mai ai lam ni hpe atsin sha sha kau ai. Ndai lam madun laika gaw, ahkyak dik ai ga san 8 hpe mari ai ni, hkrang shapraw ai ni, mari ai hpung ni gaw PV cable ni a lam hpe san ra ai majaw, ga sadi jaw da ai n-gun hpe teng sha jaw ya ai system ni hpe nang tsun dan, mari, gram lajang lu na re.
PV cable ni gaw teng sha hpa ni rai nna, shanhte gaw shinggyim masha ni a wan n-gun wire hte gara hku shai ai kun?
PV cables ni gaw DC nhtoi htoi ai circuit ni a matu laksan galaw da ai jan a nhtoi- hpe n-gun jaw ai wire ni rai nga ai. Dai hta n-ga, 1.5–2 kV du hkra DC voltage ratings ni nga ai (dai ni na aten na arrays ni a matu), DC voltage ratings ni hta grau galu ai UV/ozone/n hkru n kaja ai lam- n-gun grau ja ai jacket ni hte shingdaw yu yang, n-gun grau ja ai. UL 4703 hte EN 50618 zawn re ai madang ni gaw ndai gawgap ai lam hte bungli galaw ra ai lam ni hpe tsun dan ai.
Cable ni gaw n-gun dat hpe gara hku hkra machyi shangun ai - gaw shadawn shadang lu ai sum mat ai lam ni rai kun?
Conductor hpe ninghkap ai lam hte matut mahkai lam/joint hpe ninghkap ai lam gaw, n-gun hpe shayawm ya ai voltage hkrat sum ai lam hte n-gun yawm mat ai majaw, grau nna aten galu (sh) tsaw ai{0}} current strings ni hta n-gun yawm mat ai. Voltage drop hpe VD=I × R × 2L (ya aten na × conductor hpe ninghkap ai × grup yin-trip galu ai) hte sawn la ai. N kaja ai (sh) aten galu n law ai gaw sum mat ai lam law wa nna MPP a akyu hpe shayawm ya lu ai. Designer ni gaw ndai sum mat ai lam ni hpe shayawm kau lu na matu conductor size hte layout hpe ayan galaw ma ai.
PV cable ni a matu madung hkrat sum ai lam ni gaw hpa ni rai nna, kam hpa mai ai lam hpe gara hku hkra machyi shangun ai kun?
Madung hkrat sum ai lam ni gaw, jacket ni a UV/ozone hten za mat ai, thermal asak kaba wa ai, hka lim ai/salt hka shang wa ai, jak hte hkra machyi ai lam (n-gun yawm ai, n-gun yawm ai, n-gun n-gun n-gun n-gun yawm ai, n-gun n-gun n-gun n-rawng ai), hte connector n-htuk ai/n-hkap la ai lam ni rai nga ai. Failures ni gaw, n-gun dat shapraw ai lam hpe shayawm ya nna, O&M manu hpe sharawt ya lu ai, aten kadun laman, hotspot, arc, hte BOS hkrat sum ai lam ni yawng hpe shabyin ya lu ai. Field sawk sagawn ai lam ni hte BoS n-gun n rawng ai sawk sagawn ai lam ni hta, n kaja ai cable lata ai lam hte n kaja ai hku jung ai lam ni gaw, n kaja ai lam a rudi lam ni hpe bai byin shangun ai hpe mu lu ai.
Gara madang hte chyam dinglik ai lam ni hpe mari ai ni ra ai kun?
N law htum PV wire zuphpawng UL 4703 (US) shing nrai EN 50618 (Europe) shing nrai dai hte maren mungdan madang ni hpe tsun da ai; DC voltage ra ai (ga shadawn, system design hta hkan nna 1000–1500 VDC), jan a nhtoi hpe ninghkap lu ai, nbung katsi ai lam, halogen- n lawm ai/flame retardant atsam ni hpe buga na code hku nna ra ai rai yang, UV/ozone hpe ninghkap lu ai atsam ra ai. Project kaba ni a matu, jak rung chyam dinglik ai lam ni, arung arai ni hpe hkan tam lu ai lam, hte lawan ai hku asak kaba wa ai / C{8}SAST (sh) jacket a matu hka lim/dry exposure a mahtai ni ra ai.
Hpa baw specs ni gaw mari ai shaloi grau ahkyak ai kun ( lawan ai hku checklist)?
Mari ai ladat ni hta bang na matu tatut mari ai lam a specs ni:
- Voltage rating:600 VDC / 1000 VDC / 1500 VDC hpe ra ai hku nna.
- Temperature rating:matut manoi bungli galaw ai nbung katsi ai lam (ga shadawn, 90℃, 105℃).
- UV / ozone hpe ninghkap lu ai & jan a nhtoi masat masa(UL/EN langai hta jan a nhtoi- hpe ninghkap lu ai).
- Jacket arung arai:halogen- hpe ra ai rai yang; panglai hkin-gau (sh) hkai lu hkai sha ai rai yang, sau/fungus hpe ninghkap lu ai atsam.
- Gawgap ai wa:n-gun n rawng ai hte n-gun yawm ai hpe n-gun n rawng hkra galaw na matu, n-gun n rawng ai magri hpe n-gun dat ai.
- Cross- daw (gauge):sized galaw na matu voltage drop hte heating hpe shadawn sharam kata kaw tawn da ai.
- Certification:UL 4703, EN 50618, TÜV, shing nrai, masum ngu na- partic test ni hpe ka da ai.
- Traceability & batch chyam dinglik ai lam:mill laika ni, batch nambat ni, asak kaba sai ni a jahpan ni hpe ka da ai.
- Warranty & delivery:prat tup myit mada ai lam hte woi awn ai- aten ni.
Grai n-gun n jaw ai sha sum mat ai lam hpe shayawm lu na matu cable ni hpe gara hku size galaw ra na kun?
Voltage-drop formula hpe lang nna, n-gun rawng ai tsa lam shadang voltage (DC string circuits ni a matu 1–3% daram) hpe lang u. N-gun kaba dik htum (Imp), langai mi{4}} lam hpe woi awn ai wa a galu kaba ai lam, hte conductor hpe ninghkap lu ai atsam ( cross- daw a matu meter mi hta ohms) hpe bang u. Design team law law gaw shaning shagu n-gun lu la ai lam hpe ninghkap ai conductor manu hpe jat bang ai; payback gaw run ni galu ai (sh) current law ai shaloi kadun ai. Tengman ai nambat ni a matu, conductor hpe ninghkap na matu, hkam la da ai arung arai ni hte NEC/IEC table ni hpe lang u. (Calculator ni a matu npawt nhpang ni hpe yu nna bungli galaw ai ga shadawn ni hpe yu u.)
Gara mari ai lam hte site- n-gun jaw ai lam ni gaw hkrit tsang hpa hpe shayawm ya ai kun?
Kaja dik ai ladat ni gaw: masat masa galaw ra ai hte mill chyam dinglik ai lam ni hte matut mahkai da ai batch ni lawm ai; pre{0}}shi a sample hpe chyam dinglik ai lam (myi man hte n-gun n rawng ai lam hpe ninghkap ai lam); n teng n man ai lam ni hpe koi lu na matu packaging/branding hpe jep yu ai; on- kaw na shara hpe atsawm sha stripping/torque hte madi shadaw ai lam ni hpe jep joi ai lam (n madi shadaw ai aten galu sagging runs ni hpe koi kau u); hte post-intallation IR/matut mahkai chyam dinglik ai lam hpe ka da ai. Ga shaka laika ni hta hkap la ai masat masa ni hpe bang nna, hkrat sum mat ai lamu ga ni a matu byin wa na akyu ni hpe tsun dan u. NREL hte industry field hpe jep joi ai lam ni hta hkrat sum ai lam law law gaw install galaw shut ai lam ni re - contract ga si ni hte O&M checklist ni gaw dai hkrit tsang lam hpe shayawm ya ai.
Mari ai ni gaw hpa a matu grau nna gumhpraw jaw ra ai (galoi aten hta grau nna tara rap ra ai)?
DC voltage grau law ai ( string voltage grau law ai hte BOS a daw ni hpe n law ai hpe madi shadaw na matu), n-gun ja ai UV/ozone{{0} hpe n-gun grau ja ai jacket ni a matu grau galu ai UV/ozone{{0} hpe n-gun n-gun n-rawng ai jacket ni, code ra ai shara hta halogen{{1} n-gun n-rawng ai wan hkru ai lam ni a matu grau galu ai jacket ni hpe jaw u, hte laksan chyam dinglik ai lam hku nna dut mari ai ni hpe hkan tam lu ai atsam + warranty hpe madi shadaw ya ai. Hka hkin gau, hkai lu hkai sha ai lam, shing nrai hka kata de shang mai ai wa a matu, hka hte hka kata de shang wa ai hpe ninghkap lu ai shiga ni hpe hpyi shawn ai - lawan ai chyam dinglik ai lam ni gaw, hka htung hpe grai shayawm kau lu ai hpe madun dan ai. Ndai upgrade ni gaw npu na downtime hte grau galu ai garan gachyan ai lam ni hpe law law lang jaw chye ai.
Daw dan lam
Anhte gaw TUV,UL,CE,ROHS sakse hkam ai lam, Wholesale solar sumla hkrung manu, Anhte OEM & ODM Magam bungli ni hpe jaw ai.Anhte hpe matut mahkai u
Bai nna
- Solar Photoltaic Cables: Solar Installation shagu a matu ahkyak ai Component ni
- Na a datn n-gun atsam hpe gara hku lata la mai ai
- Hpa majaw Solar Projects ni a matu kam mai ai n-gun Cable Manufacturer hpe lata la na
- Dai
Lakap laika
Mungkan ting na wan n-gun hte seng ai komishin (IEC)
IEC 60216: "Hpyen n-gun a matu arung arai ni – Hka hkin-gau hkam sharang ai atsam" hte IEC 62930: "Solar photovoltaic cables – Daw 1: Ra kadawn ai lam ni."
Mungdan ting na wan jak rung (NEMA)
NEMA gaw jan n-gun hpe bai gram lajang mai ai n-gun atsam ni hta jai lang ai cable ni a ntsa na madang ni hpe jaw da ai. NEMA a madang ni gaw, cable ni gaw wan hte jak rung bungli galaw ra ai lam ni hpe hkan sa lu hkra galaw ya ai.
Solar N-gun Hpaji Hpung (SEIA)
Reference: SEIA shiga ni hta, n-gun rawng ai ni hpe n-gun jaw ai lam hte, n-gun rawng ai ni hpe lata ai lam gaw, jan n-gun jat ai lam ni a galu kaba ai- aten hta awng dang na matu ahkyak ai lam tsun da ai.
N lu ka ai ni Laika ka ai ni (UL)
UL masat masa gaw, wan n-gun, UV radiation, wan n-gun ni lawm ai, shim lum lam hte bungli galaw ai madang ni hpe jan n-gun jaw ai lam ni hpe hkan sa lu hkra galaw ya ai.
Mungkan ting na n-gun atsam hte seng ai lam (IEA)
IEA a jan a n-gun atsam masa ni hpe prat tup na matu hte gram lajang ai lam ni hpe tang madun da ai gaw, cable ni a lit hpe madi madun ai hte system a akyu hte asak galu ai lam hta wiring ni a lit hpe madi madun da ai.
Mungdan ting na n-gun n-gun n-gun n-gun n-gun jat ai lam (NREL)
NREL a sawk sagawn ai lam ni gaw, jan n-gun atsam masa ni hta quality components ni hpe jai lang na matu ahkyak ai lam hpe madun dan ai, dai hta, n-gun kaba ai{0}}}performance cable ni lawm ai, galu kaba ai{1}} aten na bungli galaw ai manu hpe shayawm na matu.
Solar Foundation (TSF)