3 phase transformer Cal Sheets .xlsx

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2	3 Phase Transformer Calculation Detail (Calculated By VPT) 6000KVA
3	S.N.	HV Line Voltage (kV)	LV Line Voltage (V)	kVA	Frequency (Hz)	HV Line Current (A)	LV Line Current (A)	Connection (LV/HV)	VPT	flux Dencity (Tesla)	Core Area mm2	Core Dia(mm)	Dd0 Single Coil Detail
4	S.N.	HV Line Voltage (kV)	LV Line Voltage (V)	kVA	Frequency (Hz)	HV Line Current (A)	LV Line Current (A)	Connection (LV/HV)	VPT	flux Dencity (Tesla)	Core Area mm2	Core Dia(mm)	HV Phase Voltage (kV) (Vph=VL)	LV Phase Voltage (V) (Vph=VL)	HV Phase Current (A) (Iph=IL/1.732)	LV Phase Current (A) (Iph=IL/1.732)	HV Turn	LV Turn	HV Winding Area (mm2)	VL Winding Area (mm2)	FRP Bobbin	H.V. Winding Gauge	L.V. Winding Gauge	Current Density HV Winding (A/mm2)	Current Density LV Winding (A/mm2)	HV Winding Mean Dia(mm)	LV Winding Mean Dia(mm)	HV Winding Cu Weight (kG)	LV Winding Cu Weight (kG)
5	1	23.65	690	6000	50	146.48	5021	Delta- Delta	34.86	1.20	130844	408	23.65	690.00	84.57	2898.72	678	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.35	2.52	622	548	10	351
6	2	23.10	690	6000		149.97	5021	Star- Delta	34.86	1.20	130844	408	23.10	690.00	86.59	2898.72	663	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.41	2.52	616		10
7	3	22.55	690	6000		153.62	5021	Star- Delta	34.86	1.20	130844	408	22.55	690.00	88.70	2898.72	647	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.46	2.52	616		10
8	4	22.00	690	6000		157.46	5021	Star- Delta	34.86	1.20	130844	408	22.00	690.00	90.91	2898.72	631	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.53	2.52	616		10
9	5	21.45	690	6000		161.50	5021	Star- Delta	34.86	1.20	130844	408	21.45	690.00	93.25	2898.72	615	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.59	2.52	616		10
10	6	20.90	690	6000		165.75	5021	Star- Delta	34.86	1.20	130844	408	20.90	690.00	95.70	2898.72	600	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.66	2.52	616		10
11	7	20.35	690	6000		170.23	5021	Star- Delta	34.86	1.20	130844	408	20.35	690.00	98.29	2898.72	584	20	36	1150	φ440/430x550mm	(6x3sq.mm)x2LP	(10x2.5sq.mm)x46LP	2.73	2.52	610		361
12																												420
13														HV	DELTA	VL=VP	IP=IL/1.732
14														LV	STAR	VP=VL/1.732	IP=IL								Copper	2312.516698
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19																A	A	area	area
20													22	23.65		84.572	2898.721	33.82862309	1159.488313
21													22	23.1		86.585	2898.721	34.6340665	1159.488313
22													22	22.55		88.697	2898.721	35.47879983	1159.488313
23													22	22		90.914	2898.721	36.36576982	1159.488313
24													22	21.45		93.246	2898.721	37.29822546	1159.488313
25													22	20.9		95.699	2898.721	38.27975771	1159.488313
26													22	20.35		98.286	2898.721	39.31434575	1159.488313
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28																		6X3X2lp	46.380
29																		36
30																			23X2LP102.5
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34													Core weight & OIL
35															Actual Volume	Weight	Factor	actual weight
36													564928000	180960000	383968000	2937.3552	1.26	2326
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38													393328000	83720000	309608000	2368.5012	1.26	1876
39													1173953000	193930000	980023000	7497.17595	1.40	5355
40																Blank space in core
41													2090	1370	410	550	430	410	2
42																Volume	Oli/kg	ltr
43												Tank	2670	1970	1090	5733291000	5102.62899	5663.918179
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45													W/H	LC	C0DIA
46													550	430	410
47													2090	1370	410
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