Standard transformer for EVN NPC 2015

Code: NH01513

Machine production information

Transformer produced under Decision No. 1011 - QD / EVN NPC 7/4/2015 of the Northern Power Corporation

Dong Anh transformers manufacture closed-type 3-phase distribution transformers:

- Closed type transformers, oil immersed, no-load adjustable at voltage 35 / 0.4; 22 / 0.4; 35/22 / 0.4; 10 / 0.4kV.

- Tested to the standard.

A transformer is an electrical device that changes the voltage of an alternating current from one level to another. A closed-type transformer belongs to a distribution transformer with input voltage of 35kV, 22kV, 10kV, output voltage of 0.4kV, immersion in standard insulating oil.

Products are manufactured and tested according to TCVN 6306-1: 2015 (IEC 60076-1: 2011) and TCVN 8525: 2015. Main materials constituting the product include: silicon sheet of Japanese and Korean origin; Smooth / paper-coated magnetic wire from copper M1; Insulation oil Swedish, Indian, and Malaysian brands. Voltage regulator from Italy. Insulation paper source: Germany, Sweden. Magnetic cross-cut and stapler circuit cutters on G7-cut sheet; Wiring is constructed on specialized equipment; The inside of the machine is vacuum-dried.

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►View more about: Transformer dry and oil

Dong Anh 3-phase distribution transformer products are designed to approach new international standards, tested according to IEC-60076 or according to customer requirements. The Company's transformer products have been certified by the Ministry of Industry and Trade to meet the Vietnamese standards of energy saving products (TCVN 8525). Oil immersion transformer with ONAN cooling system (oil natural circulation cooling) is installed indoors or outdoors. * Capacity: - 3 phase transformer from 30kVA to 10000kVA * With maximum voltage level of 35kV. * Transformer can be closed type or open type, it has good short-circuit resistance. Windings are designed to withstand overvoltages caused by lines or lightning.

THÔNG SỐ KỸ THUẬT MÁY BIẾN ÁP

production according to Decision No. 1011 - QD / EVN NPC 7/4/2015 of the Northern Power Corporation

DISTRBUTION TRANSFORMER

Capacity (KVA)	TECHNICAL SPECIFICATIONS				WEIGHT (kg)			MAJOR SIZE (mm)
Capacity (KVA)	No-load loss w	Electric không tải %	Short circuit loss ở 75 °c %	Short circuit voltage %	total	Oil	Intestine	Long	Wide	High	Wheel center
50	150	2	650	5	609	168	291	915	740	1095	520
75	190	2	1000	5	755	206	382	970	740	1240	520
100	205	2	1258	5	817	195	441	970	740	1390	520
160	280	2	1940	5	999	233	551	1000	835	1430	520
180	315	2	2185	5	1032	233	581	1020	860	1450	520
250	340	2	2600	5	1359	296	818	1040	845	1580	520
320	390	2	3330	5	1536	325	906	1140	920	1640	520
400	433	2	3818	6	1786	388	1065	1205	980	1530	660
500	580	2	4810	6	1880	416	1097	1250	1000	1600	660
560	580	1.5	4810	6	2172	467	1294	1310	1000	1655	660
630	787	1.5	5570	6	2191	483	1328	1300	1040	1675	660
750	855	1.5	6725	6	2430	544	1434	1665	1080	1765	660
800	880	1.5	6920	6	2595	560	1546	1670	1100	1790	820
1000	980	1.5	8550	6	3079	658	1799	1740	1140	1810	820
1250	1020	1.5	10690	6	3586	788	2033	1830	1145	1850	820
1500	1305	1	13680	6	3924	811	2220	1870	1255	2020	820
1600	1305	1	13680	6	4342	895	2513	1950	1290	2020	820
2000	1500	1	17100	6	4960	1010	2953	2005	1320	2350	820
2500	2870	1	21740	6	6140	1280	3200	2180	1500	2650	1070
3000	3440	1	27660	7	6790	1420	3660	2350	1680	2740	1070

THÔNG SỐ MÁY BIẾN ÁP MÁY MỘT PHA

INTERMEDIATE TRANSFORMER PARAMETER

Capacity	No load		Short circuit		Basic size (mm)				Weight (kg)
(KVA)	Po (w)	lo(%)	Pk (%)	Uk (%)	L	w	H	A	Oil	Intestine	Total
15	52	1	213	2-2.4	610	610	1130	400	50	108	191
25	67	1	333	2-2.4	640	640	1160	428	60	145	240
37	92	1	420	2-2.4	690	690	1190	473	75	205	320
50	108	1	570	2-2.4	690	690	1230	473	78	230	350
75	148	1	933	2-2.4	710	710	1270	490	90	260	420
100	192	1	1305	2-2.4	750	750	1310	500	112	306	510

Standard transformer for EVN NPC 2015

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