52kV FRP Capacitive Transformer Bushing (guidebar type)

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Electrical & Grid

Transformer Accessories

Nominal voltage (kV)：52
Rated voltage (the highest voltage of the equipment) (kV)：52
Dry Frequency withstand voltage (kV/min)：105
Wet Frequency withstand voltage (kV/min)：95
Whole Wave Thunder impulse withstands voltage (kV)：250
Intercepted WaveThunder impulse withstands voltage (kV)：275
Maximum Dielectric dissipation factor： At 1.05Um, the lower limit should not be over 0.4%
Increment Dielectric dissipation factor： At 1.05Um, the variation to Um should not be over 0.1%
Test tap insulation level (kV/min)：3
Um Local discharge (pC): ≤10
1.05Um/√3 Local discharge (pC): ≤5
leakage test: 0.6MPa/20min without leakage
Thermal short-time current: 25 times the bushing rated current, the maximum is 100kA, and lasts 2S
Outdoor creepage extender: 50

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DESCRIPTION

Specification

Product Code			BT4001	BT4002	BT4003	BT4004	BT4005	BT4006	BT4007	BT4008	BT4009	BT4010	BT4011
Specification			QXFBRGW-52/800-4	QXFBRGW-52/1000-4	QXFBRGW-52/1250-4	QXFBRGW-52/1600-4	QXFBRGW-52/2000-4	QXFBRGW-52/2500-4	QXFBRGW-52/3150-4	QXFBRGW-52/4000-4	QXFBRGW-52/5000-4	QXFBRGW-52/6300-4	QXFBRGW-52/8000-4
Total Length		L	1045	1045	1045	1110	1110	1185	1185	1160	1175	1230	1230
Air Wiring Terminal	Hole Distance	a1	40	40	40	50	50	60	60	50	50	60	60
	Board Size	a2*a3	80*85	80*85	80*85	100*105	100*105	120*120	120*120	150*155	150*155	180*125	180*145
	Holes Number*Holes Diameter	n1*Φd1	4*Φ14	4*Φ14	4*Φ14	4*Φ14	4*Φ18	4*Φ18	4*Φ18	9*Φ18	9*Φ18	6*Φ18	6*Φ18
	Thickness	δ1	12	12	12	16	16	20	20	20	24	20	20
Outdoor Creepage Extender	Insulation Clearance	L1	480	480	480	480	480	480	480	480	480	480	480
Outdoor Creepage Extender	Max. Creepage Extender Out Diameter	ΦD2	220	220	220	220	220	220	220	220	220	290	290
Mounting Flange	Length	L4	70	70	70	70	70	70	70	70	70	70	70
	Hole Center Distance	ΦD3	190	190	190	190	190	190	190	190	190	250	250
	Hole Diameter	ΦD6	220	220	220	220	220	220	220	220	220	290	290
	Holes Number*Holes Diameter	n2*d2	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ14	6*Φ18	6*Φ18
	Vent Hole Position	L5	60	60	60	60	60	60	60	60	60	90	90
	Thickness	δ2	18	18	18	18	18	18	18	18	18	18	18
Oil-end Core	Total Length	L2	285	285	285	320	320	360	360	275	290	340	340
	Earth Length	L3	140	140	140	140	140	140	140	140	140	140	140
	Core Diameter	ΦD4	85	85	85	100	100	100	100	105	115	125	125
Oil-end Wiring Terminal	Hole Distance	a4	30	30	30	40	40	50	50	45	50	60	60
	Board Size	a5*a6	60*60	60*60	60*60	80*80	80*80	100*100	100*100	80*90	100*100	120*150	120*150
	Holes Number*Holes Diameter	n3*Φd3	4*Φ13	4*Φ13	4*Φ13	4*Φ14	4*Φ14	4*Φ18	4*Φ18	4*Φ14	4*Φ18	4*Φ18	4*Φ18
	Thickness	δ3	10	10	10	14	14	16	16	20	25	20	30
	Offset	L5	25	25	25	35	35	40	40	0	0	0	0
Upper Equalizing Ball Diameter		ΦD1	103	103	103	118	118	118	118	125	133	143	143
Weight(kg)			35	45	45	45	45	50	50	60	70	/	/

For more information about the product, please get in touch with info@wishpower.net for support.

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