Hermetically Sealed Three Phase Oil Immersed Power Transformer

Boerstn offers complete range of distribution transformers designed to grant the reliability,
durability, and efficiency required utility, industrial , and commercial applications , BOERSTN'S liquid-
filled transformers are manufactured in accordance with the most demanding industry and international
standards , compliance with important standards , from IEC to VDE , is a matter of course , just as much
as the exclusive use of high-quality materials , Qualified employees implement the IEC60076 standards
in daily practice .

Email: steven@boerstn.com

Tel: 13868438199

Whatsapp: 8613868438199

Hermetically Sealed Three Phase Oil Immersed Power Transformer

description1

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PRODUCT DETAILS

Prodcut Range

-kVA , 10 kVA through 315MVA ;
-Temperature rise: 65℃;
-Cooling type: ONAN & ONAF

-Three phase-Hert: 60&50
-Primary voltage: 6 kV through 40.5 kV
-Secondary voltage: 380V & 400V & 415V & 433V or other

Technical Specification

S11/SZ13/SZ15 series three phase two winding off-load tap changer transformer

Rated capacity (KVA)	Voltage Comb lnabonand Tap range			Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	high pressure (KV)	high pressure tap range(%)	Low ressure (KV)	Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
30	11 10.5 10 6.3 6	±5 ±2 ×2 .5%	0.4 0.69	Ty n0 Dyn11	100	630/600	2.3	4
50					130	910/870	2.0	4
63					150	1090/1040	1.9	4
80					180	1310/1250	1.9	4
100					200	1580/1500	1.8	4
125					240	1890/1800	1.7	4
160					280	2310/2200	1.6	4
160					280	2310/2200	1.6	4
200					340	2730/2600	1.5	4
250					400	3200/3050	1.4	4
315					480	3830/3650	1.4	4
400					570	4520/4300	1.3	4
500					680	5410/5150	1.2	4
630					810	6200	1.1	4.5
800					960	7500	1.0	4.5
1000					1150	10300	1.0	4.5
1250					1360	12000	0.9	4.5
1600					1640	14500	0.8	4.5
2000					1960	19800	0.8	5
2500					2310	23000	0.7	5

·30kva-1600kva 3-phase duplex winding non-excited tap-changing distribution transformer

Rated capacity (KVA)	Voltage Comb lnabonand Tap range			Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	high pressure (KV)	high pressure tap range(%)	Low ressure (KV)	Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
50	20 22 24	±5% ±2 ×2 .5%	0.4	Dyn11 Yyn0	210	1270/1210	2.00	6.5
100					290	2120/2020	1.80	6.5
125					340	2500/2380	1.70	6.5
160					360	2970/2830	1.60	6.5
200					430	3500/3330	1.50	6.5
250					510	4160/3960	1.40	6.5
315					610	5010/4770	1.40	6.5
400					730	6050/5760	1.30	6.5
500					860	7280/6930	1.20	6.5
630					1040	8280	1.10	6.5
800					1230	9900	1.00	6.5
1000					1440	12150	1.00	6.5
1250					1760	14670	0.90	6.5
1600					2120	17550	0.80	6.5

·50kva-1600kva 3-phase duplex winding non-excited tap-changing distribution transformer

Rated capacity (KVA)	Voltage Comb lnabonand Tap range			Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	high pressure (KV)	high pressure tap range(%)	Low ressure (KV)	Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
50	35 38.5	±5% ±2 ×2 .5%	0.4	Dyn11 Yyn0	130	1200/1140	1.30	6.5
100					185	2010/1910	1.10	6.5
125					215	2370/2260	1.10	6.5
160					225	2820/2680	1.00	6.5
200					270	3320/3160	1.00	6.5
250					320	3950/3760	0.95	6.5
315					385	4750/4530	0.95	6.5
500					465	5740/5470	0.85	6.5
500					545	6910/6580	0.85	6.5
800					665	7860	0.65	6.5
800					785	9400	0.65	6.5
1000					920	11500	0.65	6.5
1250					1120	13900	0.60	6.5
1600					1350	16600	0.60	6.5
2000					1590	19700	0.55	6.5
2500					1890	23200	0.55	6.5

·630kva-31500kva triple phase duplex winding non-exciting regulating power transformer

Rated capacity (KVA)	Voltage Comb lnabonand Tap range			Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
Rated capacity (KVA)	high pressure (KV)	high pressure tap range(%)	Low ressure (KV)	Vector Group Symbol	NO-load loss(W)	Load loss (W)	NO-load current (%)	Short circuit impedance (%)
630	35	±5%	3. 15 6.3 10.5	Yd 11	830	7870	1.10	6.5
800					980	9410	1.00	6.5
1000					1150	11540	1.00	6.5
1250					1410	13940	0.90	6.5
1600 2000					1700	16670	0.80	6.5
1600 2000					1700	16670	0.80	6.5
2500					2180	18380	0.70	6.5
2500					2560	19670	0.60	6.5
3150	35~38.5	±5%	3. 15 6.3 10.5		3040	23090	0.56	7.0
4000					3620	27360	0.56	7.0
5000					4320	31380	0.48	7.0
6300					5250	35060	0.48	7.0
6300					5250	35060	0.48	7.0
8000	35~38.5	±2 ×2 .5%	3. 15 3.3 6.3 6.6 1 .05 11	Yd 11	7200	38480	0.42	7.5
10000					8700	45320	0.42	7.5
12500					10080	53870	0.40	8.0
16000					12160	65840	0.40	8.0
20000					14400	79520	0.40	8.0
25000					17020	94050	0.32	8.0
31500					20220	112860	0.32	8.0