Heat Loss

Heat Loss
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No inverter is 100% efficient.

All Inverters (& Filters) generate heat,
when mounted in a control panel this has to be considered
when calculating the size of panel,
and considering the need for additional cooling.

The following tables give the typical amounts of heat loss:

Meiden VT230 & GE VAT2000 Drives.

200V Units				400V Units
Rating (kW)	Power loss Drive (W)	Power loss Filter (W)	Power loss Total (W)	Rating (kW)	Power loss Drive (W)	Power loss Filter (W)	Power loss Total (W)
0.75	62	6	68	0.75	83	1	84
1.5	84	7	91	1.5	111	2	113
2.2	117	13	130	2.2	129	6	135
4.0	153	25	178	4.0	175	13	188
5.5	215	28	243	5.5	275	8	283
7.5	301	50	351	7.5	345	8	353
11	420	90	510	11	369	22	391
15	506	90	596	15	481	45	526
18.5	708	90	798	18.5	550	50	600
22	757	90	847	22	675	37	712
30	1032	42	1074	30	876	83	950
37	1341	44	1385	37	1080	23	1103
45	1657	96	1753	45	1104	50	1154
55	2031	112	2143	55	1437	61	1498
75	2973	129	3102	75	2091	43	2134
				90	2473	95	2568
				110	2998	112	3110
				132	3758	129	3887
				160	4637	152	4789
				200	5566	79	5645
				250	7266	101	7367
				315	8745	135	8880

GE VAT20 Drives.

VAT20
Model	Power loss (W)
U20N0K2S	21
U20N0K4S	38
U20N0K7S	60
U20N1K5S	104
U20N2K2S	150
U20X0K7S	61
U20X1K5S	79
U20X2K2S	95

Download Panel Cooling Calculator (requires Microsoft Excel)