Study on Noise Prediction Model and Control Schemes for Substation

Table 2

Prediction of noise at boundary of Lanchow 330 kV substation dBA.

Noise receiving point	Noise at boundary of substation
	Plan A	Plan B	Plan C	Plan D
Point 1	62.1	62	48.5	47
Point 2	57.5	53.5	55.5	41.9
Point 3	54.1	52.7	49	38.8
Point 4	56.1	55.9	45.1	41.1
Point 5	52.2	51.9	41.5	37.2
Point 6	51.7	51.5	40.3	36.7
Point 7	55.3	55.3	41	40.3
Point 8	55.7	55.5	45.3	40.7
Point 9	54	53.1	47.4	38.8
Point 10	53.8	48.9	52.4	38.2
Point 11	53.8	48.8	52.3	38.1
Point 12	52.3	52.1	40.4	37.2
Point 13	53.6	53.4	43.2	38.6
Point 14	51.3	51	40.2	36.2
Point 15	50.9	50.8	38.7	35.9
Point 16	52.4	52.4	38.6	37.4