20kV, S11-M 3phase oil-immersed power transformer with no-load tap changer

S9, S10, S11 series 20KV, 35KV 3-phase oil-immersed transformer is conform to the standard of IEC and GB1094 "Power Transformer" and GB/T6451-2008 "Technical Parameters and Requirements of Three-phase Oil-immersed Power Transformer".

Product Details Company Profile

Description

Product description

Our S9, S10, S11 series 20KV, 35KV 3-phase oil-immersed transformer is conform to the standard of IEC and GB1094 "Power Transformer" and GB/T6451-2008 "Technical Parameters and Requirements of Three-phase Oil-immersed Power Transformer". The iron core is made of quality cold-rolled silicon steel sheet, and in full-miter non-puncture structure. The coil is made of quality oxygen-free copper, featuring good outlook and safe running. The products are widely used in power transmission and distribution of industrial and agricultural power networks.

Feature

1. High reliability, advanced level of performances,reasonable economical indicators.

2. The core joints are of stepped shape with 3 steps,and the surface of the core is coated with cured paint to lower losses and noise.

3. The winding has novel structure and its oil passage is reasonable designed. Its newly designed insulation structure helps enhance its mechanical strength and the short circuit withstanding ability.

4. The oil tank type is various and good-looking.

Main technical data for 20kV, S11-M series 3phase oil-immersed transformer with no-load tap changer

Rated power (KVA)	High Voltage (KV)	H.V.Tap (KVA)	Low Voltage (KV)	Connection symbol	Short- Circuit Impedance (%)	No-Load Loss (W)	On-Load Loss (W)	No-Load Current (%)
30	20	±5% ±2×2.5%	0.4	Yyn0 Dyn11	4	100	600	2.1
50						130	870	2
63						150	1040	1.9
80						180	1250	1.8
100						200	1500	1.6
125						240	1800	1.5
160						290	2200	1.4
200						330	2600	1.2
250						400	3050	1.2
315						480	3650	1.1
400						570	4300	1
500						680	5150	1
630					4.5	810	6200	0.9
800						980	7500	0.8
1000						1150	10300	0.7
1250						1360	12000	0.6
1600						1640	14500	0.6
2000						1940	17140	0.6
2500						2300	20260	0.5