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SGB series Unenclosed H grade Dry-type transformer

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SGB series Unenclosed H grade Dry-type transformer

SG(B) series transformer is designed and developed by ourselves. It has passed the strict test by National Transformer Quality Supervision Test Center.

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Product Description

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SG(B) 10, 11 SERIES H-GRADE INSULATION DRY TYPE POWER TRANSFORMER

SG(B) series transformer is designed and developed by ourselves. It has passed the strict test by National Transformer Quality Supervision Test Center. It’s an excellent performance and environmentally friendly type of dry transformer.

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Application

With advanced structure and performance, this series transformer can sustain large load fluctuation and over-load, it has high anti-flaming level and can adapt to the high humidity, dusty and other harsh environment. It is widely used in airport, power station, metallurgy industry, hospital, high-rise buildings, shopping center, heavily populated region, petrochemical industry, nuclear power station and nuclear submarine, etc.

Technical specification

Rated High Voltage: 10KV

Rated Low Voltage: 0.4KV

Insulation grade: H

Connection: Dyn11 or Yyn0

Insulation level: LI75AC35/AC5

Benefits:

1.H-Grade Insulation

SG10 Series power transformer use NOMEX material and new technology to achieve H-grade insulation, it is reliably used in ambient temperature up to 180℃and the main part of the transformer can sustain up to 220℃.

2.Safety

SG10 and SG11 series power transformer using insulated materials which is flame retardant and moisture-proof, the combustible material is only 10% of the epoxy resin transformer. There’s no poisonous fumes during long time burning at 800℃. SG10 and SG11 series power transformer is mainly applied to high safety requirements, moist and poorly ventilated installation site, such as power station, railway, shipbuilding, chemical industry, metallurgic industry.

3.Reliable

SG10 and SG11 series power transformer using special coil design and technology to achieve moisture proof, mould proof and fame proof. It can sustain high thermal shock and without rimous nor partial discharge.

4.Strong over-load ability

SG10 and SG11 series power transformer can sustain 120% rated capacity. It can longtime running under IP23 without force air cooling.

Max Temperature ( for reference only)

Max Temperature ( for reference only)
Temperature grade	Average Temperature rise(℃)	Max ambient temperature(℃)	Max temperature tolerance(℃)	Max Temperature(℃)
B	80	40	10	130
F	100	40	15	155
H	125	40	20	185
C	150	40	30	220

Technical parameters

Technical parameters
Model	Rated Capacity	No-load cost	On-load cost (145℃)	No-load current	Sound level	short circuit impedance	Weight	Dimension (LWH)
	Rated Capacity	No-load cost	On-load cost (145℃)	No-load current	Sound level	short circuit impedance	Weight	Dimension (LWH)
	(kVA)	(W)	(W)	(%)	(LPA)dB	(%)	(kg)	(mm)
SG10-100/10	100	400	1690	1.7	65	4	600	93011001150
SG10-200/10	200	620	2710	1.3	67		900	100011001360
SG10-315/10	315	880	3730	1.1	69		1350	116011001400
SG10-400/10	400	980	4280	1.1	69		1510	123011001355
SG10-500/10	500	1160	5230	1.1	70		1810	135011001570
SG10-630/10	630	1300	6400	0.9	71	6	1980	135011001520
SG10-800/10	800	1520	7460	0.9	72		2180	149012001530
SG10-1000/10	1000	1770	8760	0.9	72		2650	156012001700
SG10-1250/10	1250	2090	70370	0.9	74		3150	158012001640
SG10-1600/10	1600	2450	12580	0.9	75		3650	165012001860
SG10-2000/10	2000	3050	15560	0.9	77		4280	169015002010
SG10-2500/10	2500	3600	18450	0.9	78		5210	180015002120

Note: All the dimension and weight is for reference only.

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Dry-type transformer

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