72.5-550kV FRP Capacitive Oil-SF6 Dry-Type Transformer Bushing

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Electrical & Grid

Transformer Accessories

Nominal voltage (kV)：66-500
Rated voltage (the highest voltage of the equipment) (kV)：72.5-550
Frequency withstand voltage (kV/min)：155-750
Whole Wave Thunder impulse withstands voltage (kV)：325-1800
Intercepted WaveThunder impulse withstands voltage (kV)：357.5-1980
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	Specification	Total Length	SF6 Wiring Socket				SF6 Core				SF6 Flange
		Total Length	Hole Distance	Screw Hole Diameter	Connection Seat Diameter	Length	Total Length	Insulation Clearance	Hole Diameter	Equalizing Ball Diameter	Hole Center Distance	Hole Diameter	Holes Number*Hole Diameter	Thickness
		L	φD1	Md	φD2	L6	L8	L1	φD4	φD3	D5	D6	n1*φd1	δ1
OGT503	QXFGRBG-L-72.5/800	1345	70	M12	99	30	330	255	120	128	305	335	8 x φ16	20
OGT507	QXFGRBG-L-72.5/1250	1345	70	M12	99	30	330	255	120	128	305	335	8 x φ16	20
OGT511	QXFGRBG-L-72.5/2000	1345	70	M12	99	30	330	255	120	128	305	335	8 x φ16	20
OGT603	QXFGRBG-L-126/800	1695	70	M12	99	30	520	445	180	128	305	335	8 x φ16	25
OGT607	QXFGRBG-L-126/1250	1695	70	M12	99	30	520	445	180	128	305	335	8 x φ16	25
OGT611	QXFGRBG-L-126/2000	1695	70	M12	99	30	520	445	180	128	305	335	8 x φ16	25
OGT903	QXFGRBG-L-252/800	2380	110	M12	139	30	770	675	300	168	535	565	16 x φ16	26
OGT908	QXFGRBG-L-252/1250	2380	110	M12	139	30	770	675	300	168	535	565	16 x φ16	26
OGT913	QXFGRBG-L-252/2000	2380	110	M12	139	30	770	675	300	168	535	565	16 x φ16	26
OGT1003	QXFGRBG-L-363/800	3410	110	M12	139	30	1150	1050	380	208	640	690	16 x φ16	30
OGT1008	QXFGRBG-L-363/1250	3410	110	M12	139	30	1150	1050	380	208	640	690	16 x φ16	30
OGT1013	QXFGRBG-L-363/2000	3410	110	M12	139	30	1150	1050	380	208	640	690	16 x φ16	30
OGT1103	QXFGRBG-L-550/800	3770	110	M12	139	30	1150	1050	480	208	640	690	16 x φ16	35
OGT1108	QXFGRBG-L-550/1250	3770	110	M12	139	30	1150	1050	480	208	640	690	16 x φ16	35
OGT1113	QXFGRBG-L-550/2000	3770	110	M12	139	30	1150	1050	480	208	640	690	16 x φ16	35

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

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