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500kV　Transmission　Line　MOA

2019-06-15 15:32　Clicks: 4838

Product introduction

The transmission lion MOA are the major protective apparatus used foe preventing transmission line from being strck by lightning.Some of the tranmission lines for a.c. system are situated in the excessive-thunder area,where easy to be struck by lightning.When lightning strikes the top of tower,the tower arm's potential will arise.If the line insulation is exceeded,flashover occurs i.e. backflashover.When insulators damaged,the line short circuit to ground is happened.Then switch jumps off and power cut off.

Product Details

Type designation	System voltage	Continuous operating voltage	Min. reference voltage at D.C. 1mA	Lightning impulse residual voltage 8/20 μs	2ms rectangular current withstand	4/10μs high current impulse withstand	Height	Gap distance
Type designation	kV	kV	kV	kV	A	kA	mm	mm
HY5CX-11/27	10	8	16.5	27	150	65	207	16.5
HY5CX-13/40	10	10.4	20	40	150	65	207	40
HY10CX-42/120K	35	34	60	120	400	100	751	120+20
HY10CX-42/120	35	34	60	120	400	100	915	120+20
HY10CX-75/218K	66	57	108	218	400	100	1184	390±50
HY10CX-75/218	66	57	108	218	400	100	1444	390±50
HY10CX-102/296	110	79.6	148	296	600	100	1784	460±20
HY10CX-102/296K	110	79.6	148	296	600	100	1784	450±50
HY10CX-204/592	220	159	296	592	600	100	3076	960±20
HY10CX-204/592K	220	159	296	592	600	100	3076	850±50
HY20CX-396/1050K	500	297	561	1050	1200	100	5875	1380±100
HY5WX-54/142TL	35	43.2	77	142	400	65	760	/
HY10WX-96/250TL	66	75	140	250	400	100	1239	/
HY10WX-120/334TL	110	93	180	334	400	100	1383	/
HY10WX-57/180JB	35	45	90	180	400	100	715	/
HY10WX-126/350JB	110	100.8	188	350	400	100	1379	/

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