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Off-circuit Voltage-regulation Distribution Transformer

The amorphous alloy core is made by winding amorphous alloy strip. Amorphous alloy is a new type of strip. It is an amorphous material formed by the rapid solidiization process of the alloy composed of 80%Fe and 20%Si and B metal elements, which has extremely superior physical and electromagnetic properties. It has the advantages of high saturation magnetic induction, high resistivity, low coercivity, low loss and low excitation power. Amorphous alloy core transformer is a new type of energy saving transformer, and it is an ideal product for the renewal of distribution network.

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Oil-immersed transformer

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S11-M Off-circuit Voltage-regulation Distribution Transformer
Rated Capacity （kVA）	Rated primary voltage（kV)	H.V. Tap range （%）	Rated Secondary voltage(kV0)	Connection symbol	No-load Loss （kW）	On-load Loss (kW)	No-load current （%)	Short circuit impedance	Weight （KG）	LWH (mm)	Gauge (mm*mm)
Rated Capacity （kVA）	Rated primary voltage（kV)	H.V. Tap range （%）	Rated Secondary voltage(kV0)	Connection symbol	No-load Loss （kW）	On-load Loss (kW)	No-load current （%)	Short circuit impedance	Weight （KG）	LWH (mm)	Gauge (mm*mm)
30	6 6.3 10 10.5 11	±5 ±2*2.5	0.4	Dyn 11 Yyn0	0.1	0.63/0.6	1.50	4.0	305	760645890	400*400
50					0.13	0.91/0.87	1.30		365	770685905	400*400
63					0.15	1.09/1.04	1.20		450	8507001040	400*400
80					0.18	1.31/1.25	1.20		570	8907201050	400*400
100					0.2	1.58/1.5	1.10		590	10407201060	400*400
125					0.24	1.89/1.8	1.10		705	11007401070	550*550
160					0.28	2.31/2.2	1.00		800	11507751085	550*550
200					0.34	2.73/2.6	1.00		900	12407901245	550*550
250					0.4	3.2/3.05	0.90		1075	14008601265	660*660
315					0.48	3.83/3.65	0.90		1120	14109501270	660*660
400					0.57	4.52/4.3	0.80		1400	141010001275	660*660
500					0.68	5.41/5.15	0.80		1610	151010201280	660*660
630					0.81	6.2	0.60	4.5	1850	166011201300	660*660
800					0.98	7.5	0.60		2490	167011201500	820*820
1000					1.15	10.3	0.60		2900	170011301600	820*820
1250					1.36	12	0.50		3500	182012551710	820*820
1600					1.64	14.5	0.50		4200	205513501740	820*820
2000					1.94	18.3	0.40	5.0	5100	220013702030	1070*1070
2500					2.29	21.2	0.40	5.0	5850	239015502200	1070*1070
Note: 1. For transformers with rated capacities of 500kVA and below, the load loss values above the diagonal line in the table are applicable to Dyn11 coupling group, and the load loss values below the diagonal line are applicable to Yyn0 coupling group: 2. The size in the table is for reference only. The installation and design must be subject to the outline drawing provided by the company.

S13-M Off-circuit Voltage-regulation Distribution Transformer
Rated Capacity （kVA）	Rated primary voltage（kV)	H.V. Tap range （%）	Rated Secondary voltage(kV0)	Connection symbol	No-load Loss （kW）	On-load Loss (kW)	No-load current （%)	Short circuit impedance	Weight （KG）	LWH (mm)	Gauge (mm*mm)
Rated Capacity （kVA）	Rated primary voltage（kV)	H.V. Tap range （%）	Rated Secondary voltage(kV0)	Connection symbol	No-load Loss （kW）	On-load Loss (kW)	No-load current （%)	Short circuit impedance	Weight （KG）	LWH (mm)	Gauge (mm*mm)
30	6 6.3 10 10.5 11	±5 ±2*2.5	0.4	Dyn 11 Yyn0	0.08	0.63/0.6	1.50	4.0	300	750635880	400*400
50					0.1	0.91/0.87	1.30		355	770685890	400*400
63					0.11	1.09/1.04	1.20		430	820685950	400*400
80					0.13	1.31/1.25	1.20		545	870690990	400*400
100					0.15	1.58/1.5	1.10		575	8907001000	400*400
125					0.17	1.89/1.8	1.10		660	10007401020	550*550
160					0.2	2.31/2.2	1.00		750	11207551045	550*550
200					0.24	2.73/2.6	1.00		810	11657901060	550*550
250					0.29	3.2/3.05	0.90		1025	12608301120	660*660
315					0.34	3.83/3.65	0.90		1065	13808901190	660*660
400					0.41	4.52/4.3	0.80		1345	14009301200	660*660
500					0.48	5.41/5.15	0.80		1530	14909901280	660*660
630					0.57	6.2	0.60	4.5	1805	160010801270	660*660
800					0.7	7.5	0.60		2450	163510801500	820*820
1000					0.83	10.3	0.60		2840	169011001600	820*820
1250					0.97	12	0.50		3390	179512501700	820*820
1600					1.17	14.5	0.50		4090	198513201720	820*820
2000					1.5	18.3	0.40	5.0	4980	210513202000	1070*1070
2500					1.83	21.2	0.40	5.0	5600	235515002200	1070*1070
Note: 1. For transformers with rated capacities of 500kVA and below, the load loss values above the diagonal line in the table are applicable to Dyn11 coupling group, and the load loss values below the diagonal line are applicable to Yyn0 coupling group: 2. The size in the table is for reference only. The installation and design must be subject to the outline drawing provided by the company.

Product Specification

1. Iron core: adopt high quality cold rolled oriented silicon steel sheet, full oblique non-hole binding, five step joint iron core structure, low no-load loss, low noise.
2. Coil: The high and low voltage windings are all made of copper foil and copper wire. The high voltage windings are made of multi-layer cylindrical structure, which makes the distribution of ampere-turns of the winding balanced, small magnetic leakage, high mechanical strength, strong short-circuit resistance, and the coil is dried by vacuum. Improve the electrical performance and mechanical strength of the winding.
3. Oil tank: The transformer adopts fully sealed structure, because the way of oil and air contact is isolated, insulation is not easy to be damp, the aging degree is greatly reduced, the reliability and service life of the transformer are greatly improved. The whole surface of the oil tank is sprayed with plastic after rust prevention treatment, which has strong corrosion resistance and is beautiful and generous.

Product Feature

1.Long Life Span
Fully sealed transformer eliminates oil storage tank and moisture absorver, transformer oil does not contact with external oxygen and moisture, greatly delaying the aging of insulation materials, enhancing the reliability of product operation, and extending the service life.
2. Free hanging core
All fasteners of the body structure of the product are self-locking nuts, and the limiting part around the body is closely matched with the fuel tank, which can withstand the bumps of long-distance transportation, and the body will not shift, so there is no need for core inspection before the product is put into operation.
3. New technology
Vacuum drying and vacuum oil injection and non-dipping paint technology are used in the manufacturing process of the product, which completely eliminates the air and water in the insulation material and improves the insulation strength and electrical performance inside the body.
4. Maintenance free
The fuel tank adopts full seal welding along the edge of the tank and the cover of the tank, with excellent performance and maintenance free during operation.

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