Low Loss 500kVA 11kv 0.4kv 0.415kv Oil Immersed Distribution Power Transformer

Product Description

Product Description Three-phase Oil Immersed Distribution Transformer
1.Features
The three-phase oil-immersed distribution transformer produced by our company adopts a new insulation structure to improve the short-circuit resistance; the iron core is made of high-quality cold-rolled silicon steel sheets; high-voltage windings are made of high-quality oxygen-free copper wire as the material , and adopts multi-layer cylindrical structure; all sturdy parts adopt special anti-loosening treatment.
The product has the characteristics of high efficiency and low loss, can save a lot of power consumption and operating costs, and has significant social benefits. It is a popularized new technology product.

2.Reliable Structure
Based on the traditional structure and mature technology, our company has made many improvements, such as:
1) Spiral coil with longitudinal oil passage, better internal heat dissipation;
2) Improved the effective support of the coil end surface, and the ability to resist short-circuit current is stronger;
3) The new hoisting structure and body positioning structure are adopted to ensure more reliable in long-distance transportation and operation;
4) We have many unique and reliable structures to serve you;
5) Selecting a transformer with a higher performance level will have a higher level of technical content.

3.Excellent Materials
1) Oxygen-free copper wire with lower resistivity is selected, and after a series of additional surface treatments, it is smoother and free of burrs and sharp corners, making the load loss of the transformer lower and the electrical performance more reliable.
2) Select high-quality silicon steel sheets. With the improvement of performance level, use silicon steel sheets with lower unit loss to make the transformer no-load loss lower.
3) Select high-quality laminated wood insulation parts, never crack, even under the action of short-circuit current, the wire will not move.
4) Transformer oil after deep filtration is selected. The lower water, gas and impurity levels make the transformer work more reliable.
5) Select high-quality rubber sealing materials to effectively prevent aging and prevent leakage.
6) All raw materials have passed the quality inspection, and all raw material manufacturers have undergone strict review in accordance with the national standard ISO9001 ,CCC.
4.Technical Data

Rated Capacity (KVA)	Rated Voltage			Connection Symbol	No-load Loss (KW)	No-load Current (%)	75ºC (W) Load-Loss	Short Circuit Impedance (%)	Weight (Kg)	Boundary Dimension (mm)	Sound power Level (db)
	H.V.	M.V.	L.V.						Equipment	L*W*H
	(KV)	(KV)	(KV)
30	6 6.3 10 10.5 11	±5% or ±2×2.5%	0.4	Dyn11 Yyn0 Yzn11	80	0.3	630/600	4	330	800*500*850	35
50					100	0.24	910/870		380	820*550*850	35
63					110	0.23	1090/1040		410	835*580*850	35
80					130	0.22	1310/1250		430	840*600*880	36
100					150	0.21	1580/1500		460	860*600*890	36
125					170	0.2	1890/1800		590	1020*660*880	37
160					200	0.19	2310/2200		650	1035*660*950	38
200					240	0.18	2730/2600		710	1040*680*980	39
250					290	0.17	3200/3050		850	1140*740*1010	40
315					340	0.16	3830/3650		970	1160*760*1150	42
400					410	0.16	4520/4300		1130	1230*800*1200	44
500					480	0.16	5410/5150		1335	1320*900*1200	45
630				Dyn11 Yyn0	570	0.15	6200	4.5	1630	1420*920*1230	46
800					700	0.15	7500		1950	1480*1000*1330	47
1000					830	0.14	10300		2205	1600*1100*1280	48
1250					970	0.13	12000		2565	1655*1135*1375	49
1600					1170	0.12	14500		3100	1815*1260*1450	49
2000					1550	0.11	18300	5	3785	1920*1305*1510	50
2500					1830	0.1	21200		4570	2120*1430*1575	50

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