11kv 0.4kv Three Phase 3 Stepdown Oil Immersed Power Distribution Transformer

• Customization: Available
• Application: Power
• Phase: Three
• Model NO.: S11-M-50/11-0.4
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Two-winding Transformer
• Usage: Power Transformer, Distribution Transformer
• Frequency Characteristics: Power Frequency
• Shape of Core: Ring
• Brand: Oeipower
• Product Name: Oil Immersed Transformer
• Type: Oil-Filled Transformer
• Material: Copper / Aluminium
• Transformer Type: S11 Oil-Immersed Transformer
• Vector Group: Dyn11 / Yyn0
• Frequency: 50/60Hz
• Coil Material: Aluminum/Copper
• Connection Group: Yyn0/Dyn11
• Transport Package: Wooden Case or Pallet
• Trademark: OEI power
• Origin: China
• HS Code: 8504220000
• Package Size: 2000.00cm * 1500.00cm * 1500.00cm
• Package Gross Weight: 1000.000kg

Product Description

 11kv 0.4kv Three Phase 3 Stepdown Oil Immersed Power Distribution Transformer

The rated voltage can be customized as customers' requirements.
The fully sealed oil-immersed power transformer developed by TSTY has the advantage of low loss, low noise and high efficiency, which can achieve good energy-saving effect and reduce pollution. Compared with the ordinary oil immersed transformer, the fully sealed transformer cancels the oil conservator, and the change of oil volume is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated oil tank. The transformer is isolated from the air, so as to prevent and slow down the deterioration of oil and insulation aging, enhance the operation reliability, and avoid maintenance in normal operation.

Mainly Components:
The mainly parts of this transformer include Oil Tank, Conservator, Buchholz Relay, Breather Unit, Oil Indicator, Temperature Detector, Pressure Relief Device, Thermal Relay, Radiator, and Bushing.
1. The oil tank is used to soak the windings by placing it in.
2. Comply with IEC standards with CE/ISO certificates
3. be easily contacted & enlarge throughout loading so that the temperature of the oil can be increased and decrease.
4. Buchholz relay is used when a conservator tank is used. Because it indicates errors like loss of oil once it goes low, improper flow of oil between the tank & transformer.
5. Breather Unit includes silica gel that absorbs moisture in the oil. It changes its color from blue color to pink color it is not capable to absorb moisture in the oil.
6. The oil indicator indicates the level of the oil within the conservatory unit.
7. The temperature detector monitors the temperature of the oil. If the temperature of the oil increases to a certain level then the transformer will be disconnected from the service.
8. Pressure relief device decreases the pressure within the transformer to avoid an explosion of the transformer.
9. Thermal relay is used as an indicator for the temperature of the winding
10. Full galvanized coating   no rust
11. The bushing is used to connect the internal windings of the transformer with the help of an exterior electrical network.
 

Rated capacity (KVA)	Connection symbol	Volatge combination			No-load loss(W)	Load loss(W)	No-load current(%)	Short circuit impedance(%)	Dimension(mm)	weight(kg)
		High-voltage	Tapping rang	Low-voltage					L×W×H
30	Dyn11 or Yyn0	11   10.5  10  6.3  6	±2×2.5%	0.693   0.4	130	630	2.1	4	800×500×890	320
50					17	910	2		800×650×910	430
63					200	1090	1.9		850×650×920	450
80					250	1310	1.8		850×750×930	500
100					290	1580	1.6		1010×760×960	630
125					340	1890	1.5		1020×720×970	660
160					400	2310	1.4		1030×720×1000	745
200					480	2730	1.3		1040×720×1080	865
250					560	3200	1.2		1080×750×1100	1030
315					670	3830	1.1		1320×940×1160	1160
400					800	4520	1		1370×920×1180	1395
500					960	5410	1		1410×1000×1280	1675
630					1200	6200	0.9	4.5	1410×1000×1340	2020
800					1400	7500	0.8		1580×1070×1360	2380
1000					1700	10300	0.7		1730×1220×1420	2660
1250					1950	12000	0.6		1980×1280×1490	3280
1600					2400	14500	0.6		1920×1360×1590	4040
2000					2850	19500	0.6	5	1980×1470×1660	4900
2500					3000	21200	0.6		2200×1500×2300	5800