Metal oxide surge arresters for transmission lines

Main technical parameters of polymeric housed metal-oxide surge arresters for 10-500kV a.c. power transmission line

35～220kV With series gap type

Production type	System nominal voltage	MOA rated voltage	Reference voltage at D.C. 1mA	Steep current impulse residual voltage	Lightning mpulse residual voltage	Long duration current impulse withstand	High current impulse withstand	Power-frequency withstand voltage	Lightning impulse sparkover voltage	Specific creepage distance	Weight
	kV(rms)	kV(rms)	kV ≥	kV(crest) ≤		A ≥	kA ≥	kV(rms) ≥	kV(crest) ≤	mm/kV ≥	kg
YH5C1-42/120	35	42	60	138	120	400	200	70	240	50.5	19.0
YH5C2-42/120	35	42	60	138	120	400	200	70	240	24.0	18.0
YH5C1-75/218	66	75	108	246	218	600	300	117	400	40.5	25.1
YH5C2-75/218	66	75	108	246	218	600	300	117	400	20.0	23.2
YH10C1-90/260	110	90	130	292	260	600	300	170	525	40.5	29.8
YH10C2-90/260		90	130	292	260	600	300	170	525	20.0	27.5
YH10C1-96/280		96	140	314	280	600	300	170	525	40.5	30.5
YH10C2-96/280		96	140	314	280	600	300	170	525	20.0	28.2
YH10C1-102/296		102	148	332	296	600	300	170	525	20.0	31.2
YH10C2-102/296		102	148	332	296	600	300	170	525	40.5	28.9
YH10C1-180/520	220	180	260	584	520	800	300	340	900	40.5	52.1
YH10C2-180/520		180	260	584	520	800	300	340	900	20.0	46.6
YH10C1-192/560		192	280	628	560	800	300	340	900	40.5	53.5
YH10C2-192/560		192	280	628	560	800	300	340	900	20.0	48.0
YH10C1-204/592		204	296	664	592	800	300	340	900	40.5	54.9
YH10C2-204/592		204	296	664	592	800	300	340	900	20.0	49.9

35～220kV Without gaps type

Production type	System nominal voltage	MOA rated voltage	Continuous operating voltage	Reference voltage at D.C. 1mA	Steep current impulse residual voltage	Lightning impulse residual voltage	Switching impulse residual voltage	Long duration current impulse withstand	High current impulse withstand	Specific creepage distance	Weight
	kV(rms)	kV(rms)	kV(rms)	kV ≥	kV(crest) ≤			A ≥	KA ≥	mm/kV ≥	kG
YH5WX-54/142	35	54	43.2	77	163	142	121	400	200	36.0	17.1
YH5WX-54/142TLQ	35	54	43.2	77	163	142	121	400	200	36.0	20.0
YH5WX-96/250	66	96	75	140	288	250	213	600	300	26.0	26.0
YH5WX-96/250TLQ	66	96	75	140	288	250	213	600	300	26.0	29.9
YH10WX-108/281	110	108	84	157	315	281	239	600	300	26.0	29.1
YH10WX-108/281TLQ	110	108	84	157	315	281	239	600	300	26.0	34.0
YH10WX-216/562	220	216	168	314	630	562	478	800	300	26.0	46.8
YH10WX-216/562TLQ	220	216	168	314	630	562	478	800	300	26.0	55.6

500kV With series gap type

Production type	System nominal voltage	MOA rated voltage	Reference voltage at D.C. 1mA	Steep current impulseresidual voltage	Lightning impulseresidual voltage	Long duration current impulse withstand	High current impulse withstand?	Power-frequency withstand voltage	Lightning impulse sparkover voltage	Weight	Other	Figure No.
	kV(rms)	kV(rms)	kV ≥	kV(crest) ≤		A ≥	kA ≥	kV(rms) ≥	kV(crest) ≤	kg
YH20CX1-396/1050	500	396	561	1172	1050	1200	200	510	1760	176	带支撑绝缘子外串间隙型	1
YH20CX-396/1050	500	396	561	1172	1050	1200	200	510	1760	169	外串纯空气间隙型	2
YH20CX-396/1050GZ	500	396	561	1172	1050	1200	200	510	1760	170	带分频分流故障指示装置	2

500kV Without gaps type

Production type	System nominal voltage	MOA rated voltage	Continuous operating voltage	Reference voltage at D.C. 1mA	Steep current impulse- residual voltage		Lightning impulsere - sidual voltage	Switcing impulseresidual voltage	Long duration current impulse withstand	High current impulse withstand	Specific creepage distance	Weight	Other	Figure No.
	kV(rms)	kV(rms)	kV(rms)	kV ≥	kV(crest) ≤				A ≥	KA ≥	mm/kV ≥	kG
YH20WX-444/1106	500	444	324	597	1238	1106		907	1500	300	26	303	无间隙型	3
YH20WX-468/1166	500	468	330	630	1306	1166		956	1500	300	26	308	无间隙型	3
YH20WX-444/1106TLQ	500	444	324	597	1238	1106		907	1500	300	26	307	带分频分流脱离装置	4
YH20WX-468/1166TLQ	500	468	330	630	1306	1166		956	1500	300	26	312	带分频分流脱离装置	4