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Oil Immersed Three-dimensional Coil Core Transformer

PRODUCT PARAMETERS：
Executive standards: IEC, GB, ANSI/IEEE, NEMA
Capacity: 30kVA~2500kVA
Primary side rated voltage: 6kV~35kVA
Rated voltage on secondary side: 0.4kV
Number of tap off gears: 5
Frequency: 50/60 Hz
Number of phases: three-phase
Connection group: Dyn11/Yyn0, etc
Impedance: 4%~6.5%

Hotline：+86-570-4982909　销售热线：+86-570-4982880

Description

Feature

Parameter

Three-dimensional coil iron core liquid immersed distribution transformer: breaking through the traditional planar structure. The three-phase magnetic circuit is completely symmetrical, and the three-phase current is balanced; Smaller volume and weight, less material usage, and higher utilization rate of iron core materials; High reliability and long operating life. The three-phase magnetic circuit has no seams, and the magnetic flux direction is completely consistent with the crystal orientation of the silicon steel sheet, greatly reducing no-load loss, no-load current, and noise.

Low loss: Meet the energy efficiency requirements in the standard GB20052-2020 "Energy Efficiency Limits and Levels for Power Transformers";
Low noise: meeting the requirements of the low noise standard of the State Grid South Network;
Strong short-circuit resistance: Low voltage coils are wound with copper foil, while high voltage coils are solidified with adhesive paper, resulting in high mechanical strength;
Beautiful appearance: Full polishing and rust removal, powder electric spraying paint can achieve the spraying effect of household appliances;

Rated capacity KVA	Level 1						Level 2						Level 3						short circuit impedance %
	Electrical steel strip			Amorphous alloy			Electrical steel strip			Amorphous alloy			Electrical steel strip			Amorphous alloy
	Empty loss W	Load loss W		Empty loss W	Load loss W		Empty loss W	Load loss W		Empty loss W	Load loss W		Empty loss W	Load loss W		Empty loss W	Load loss W
	Empty loss W	Dyn11/Yzn1	Yyn0	Empty loss W	Dyn11/Yzn1 Yyn0		Empty loss W	Dyn11/Yzn1 Yyn0		Empty loss W	yn11/Yzn11	Yyn0	Empty loss W	Dyn11/ 1 Yyn0		Empty loss W	Dyn11/Yzn1	Yyn0
30	65	455	430	25	510	480	70	505	480	33	535	510	80	630	600	33	630	600	4.0
50	80	655	625	35	735	700	90	730	695	43	780	745	100	910	870	43	910	8700
63	90	785	745	40	880	840	100	870	830	50	930	890	110	1090	1040	50	1090	1040
80	105	945	900	50	1060	1010	115	1050	1000	60	1120	1070	130	1310	1250	60	1310	1250
100	120	1140	1080	60	1270	1215	135	1265	1200	75	1350		150	1580	1500	75	1580	1500
125	135	1360	1295	70	1530	1450	150	1510	1440	85	1615	1540	170	1890	1800	85	1890	1800
160	160	1665	1585	80	1870	1780	180	185C	1760	100	1970	1880	200	2310	2200	100	2310	2200
200	190	1970	1870	95	2210	2100	215	2185	2080	120	2330	2225	240	2730	2600	120	2730	2600
250	230	2300	2195	110	2590	2470	260	2560	2440	140	2735	2640	290	3200	3050	140	3200	3050
345	270	2760	2630	135	310C	2950	305	3065	2920	170	3275	3120	340	3830	3650	170	3830	3650
400	330	3250	3095	160	3660	3480	370	3615	3440	200	3865	3675	410	4520	4300	200	4520	4300
500	385	3900	3710	190	4380	4170	430	4330	4120	240	4625	4400	480	5410	5150	240	5410	5150
630	460	4460		250	5020		510	4960		320	5300		570	6200		20	6200		4.5
800	560	5400		300	6075		630	6000		380	5415		700	7500		380	7500
1000	665	7415		360	8340		845	8240		450	8800		830	10300		450	10300
1250	780	8640		425	9720		870	9600		530	10260		970	12000		530	12000
1600	940	10440		500	11745		050	11600		630	12400		1170	14500		630	14500
2000	1085	13180		550	14000		1225	4640		710	14800		360	18300		720	18300		5.0
2500	1280	13360		670	15450		1440	14840		860	16300		1600	21200		865	21200		5.0

Note: The data in the table is for reference only. The company reserves the right to make changes to the data and accepts special orders.