Building Metallic Materials
IEC Standard Disk Type Insulator?, Post Type Insulator For Electrical Power Lines
U300B
Description
Description:
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?Technical Specification of IEC standard U300B porcelain suspension inuslator for 400KV electrical power lines
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| Technical Specification | Unit | Value |
1 | Spacing | mm | 195 |
2 | Shed Diameter | mm | 320 |
3 | Creepage Distance | mm | 485 |
4 | Coupling Size | | 24 |
5 | Rated M&E Strength | KN | 300 |
6 | Impact Strength | N.m | 10 |
7 | Power Frequency Withstand Voltage | | |
| dry | KV | 80 |
| wet | KV | 45 |
8 | Lightning Impulse Withstand Voltage | | |
| Positive | KV | 130 |
| Negative | KV | 130 |
9 | Puncture Voltage | KV | 130 |
10 | RIV test Voltage to the Ground | KV | 10 |
| Max RIV at 1 MHz | μV | 50 |
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suspension insulators have below advanced charactors :
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1? the insulation part use high aluminum porcelain C130 , glaze color grey , brown or white?,or customer& acute;s specification ?.
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2 we produce metal fittings for example?metal cap with?density ductile iron ,every pieces of cap are?tested qualified with magnetic powder?method .?we produce?metal?pins with material of ?forged steel .
all the metal fittngs covered a layer of?hot-dip?zinc coating?.
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3 we tested each piece of insulators by routine test , test items shown below :
? routine tension load strength test , which will apply 50% of rate mechanical strength withstand 1 minutes .
? routine flashover test , will check each piece of insulators one by one , to sort defect unit out. ? 4 we will test each batch of insulators by sample test , the test items including : ? visual and dimensional check , temperature cycle test , M&E failing load test , puncture test , galvanization thickness test etc. ? ?
Applications:
the U300B product are Suitable for tension string or suspension string in?power lines 330KV, 400KV,500KV,750KV etc.
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Competitive Advantage:
the HIVOLT insulator have very good mechanical & electrical?character , we offer?2 years quality guarantee . we believe high quality deserve your trust !
each pieces of insulators are well tested , to be sure all insulators are without any defect.
if customer can provide technial data , We will make related?insulators design .?? we called it a one-stop purchasing .
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Dalian Hivolt Power System Co.,Ltd
Porcelain Suspension Insulator,Composite Long Rod Insulator,Line Post Insulator
Address: No.2804, 75 Huili Street , Ganjingzi District, Dalian China,
Dalian, Liaoning
China, 116000
Tel: 86-411-39573109
Fax: 86-411-39573109
