750kV Composite Suspesnion Insulator

Lub 750 kV fais fab kis tau tus mob yog ib qho tshwj xeeb txha caj qaum ntxiv - high voltage (EHV) AC voltage chav kawm rau Northwest Tuam Tshoj, poob ntawm 500 kV thiab 1000 kV ultra- siab voltage (UHV) theem, nrog rau qhov siab tshaj plaws kev khiav hauj lwm voltage ntawm 800 kV.

Siv Cheeb Tsam

Nws npog tsuas yog tsib lub xeev qaum teb sab hnub poob (Shaanxi, Gansu, Qinghai, Ningxia thiab Xinjiang), suav nrog Tuam Tshoj tus tib lub zog hluav taws xob nrog 750 kV lub hauv paus ntsiab lus.

Core Functions

Nws xa cov hluav taws xob loj - muaj peev xwm hla kev deb uas tsim los ntawm cua, photovoltaic thiab hydropower nyob rau Northwest Tuam Tshoj, txhawb Xinjiang fais fab kis mus rau sab nraud cheeb tsam, sab hnub poob - mus rau -East Power Transmission Project thiab inter- lub zog hluav taws xob sib koom ua ke.

Kev sib piv zoo

330 kV: Transmission muaj peev xwm kwv yees li 750 MW, kev lag luam kis tau tus mob tsawg dua lossis sib npaug li 200 km

750 kV: Ib qho - kis tau tus mob muaj peev xwm ntawm 3,000 MW, kev lag luam kis tau tus mob tshaj 600 km, nrog lub peev xwm kis tau plaub npaug ntawm 330 kV system

1000 kV UHV: National cross-ib cheeb tsam qaum qaum daim phiaj; 750 kV ua haujlwm ua haujlwm hauv - thiab inter-cov pob txha caj qaum hauv xeev rau Northwest Tuam Tshoj

Cov kev cai technical:

1.Mini Creepage nrug: 23650mm

2. SML: 160kN.

3.Rated voltage: 750kV

Lightning Impulse withstand voltage: 2700kV.

Fais fab zaus withstand voltage ntub ib feeb: 740kV

4. Qhov loj ntawm kev sib txuas: 20 Ua raws li GB / T4056.

5. Electro mechanical kev ua tau zoo yuav tsum ua raws li IEC61109, GB / T19519

6. Xim: Grey

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