KEMA study on substation communications ... - Amperion

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Determination of Bandwidth Capacity • Modeling of Substation Traffic Load on Transport Typical Transmission Substation # of IEDs A point D Point Total Point Count Sec / Scan Operational Accepted Latency (Sec) Bytes / Scan Burst Loading/ Sec A point D Point SER DFR % of Interest Non-Operational Sec / Upload Scan Accepted Latency (sec) Bytes / Upload A D A D Small IED 40 160 320 480 6 2 6 2 3,200 747 160 320 40 0 30% 600 600 2,624,640 1,312 Medium IED 10 320 160 480 6 2 6 2 1,600 373 160 160 10 0 30% 600 600 658,240 329 Large IED 10 640 240 880 6 2 6 2 3,040 667 320 240 10 10 40% 600 600 87,060,960 58,041 Total SA 60 1120 720 1840 6 7,840 1,787 640 720 60 10 600 90,343,840 59,682 Equivalent data in kilobits 62.72 14.293 Equivalent traffic in megabits 722.75 0.48 Comm Overhead 25% Communications Load offered to Network (kbps) 17.9 Communications Load offered to Network (kbps) 596.8 Burst Bytes / Sec Typical Distribution Substation ` # of IEDs A point D Point Total Point Count Sec / Scan Operational Accepted Latency (Sec) Bytes / Scan Burst Loading/ Sec A point D Point SER DFR % of Interest Non-Operational Sec / Upload Scan Accepted Latency (sec) Bytes / Upload A D A D Small IED 10 40 80 120 6 2 6 2 800 187 40 80 10 0 10% 1200 1200 656,160 55 Medium IED 10 80 160 240 6 2 6 2 1,600 373 160 160 10 0 10% 1200 1200 658,240 55 Large IED 5 80 120 200 6 2 6 2 1,520 333 160 120 5 5 10% 1200 1200 11,130,480 928 Total SA 25 200 360 560 6 3,920 893 360 360 25 5 1200 12,444,880 1,037 Equivalent traffic in kilobits 31.36 7.1467 Equivalent traffic in megabits 99.56 0.008 Comm Overhead 25% Communications Load offered to Network (kbps) 8.9 Communications Load offered to Network (kbps) 10.4 Burst Bytes / Sec Page 12
System Loading Transport Case 200 Transmission Substations 800 Distribution Substations # of Substations Analog Count Digital Count Total Count Operational Data MBits / Scan Burst Loading (MBits/Sec) Non-Operational Data Mbits / Upload Burst Loading Mbits / Sec 1.5% of Substations participating Transmission 3 3,360 2,160 5,520 0.188 0.04 2,168 1.43 Distribution 12 2,400 4,320 6,720 0.376 0.09 1,195 0.10 Total 15 5,760 6,480 12,240 0.564 0.13 - 3,363 1.53 Comm Overhead 25% Communications Load (Mbps) 0.16 1.91 3% of Substations participating Operational Data Non-Operational Data Transmission 6 6,720 4,320 11,040 0.376 0.09 4,337 2.86 Distribution 24 4,800 8,640 13,440 0.753 0.17 2,389 0.20 Total 30 11,520 12,960 24,480 1.129 0.26 - 6,726 3.06 Comm Overhead 25% Communications Load (Mbps) 0.32 3.83 5% of Substations participating Operational Data Non-Operational Data Transmission 10 11,200 7,200 18,400 0.627 0.14 7,228 4.77 Distribution 40 8,000 14,400 22,400 1.254 0.29 3,982 0.33 Total 50 19,200 21,600 40,800 1.882 0.43 - 11,210 5.11 Comm Overhead 25% Communications Load (Mbps) 0.54 6.38 10% of Substations participating Operational Data Non-Operational Data Transmission 20 22,400 14,400 36,800 1.254 0.29 14,455 9.55 Distribution 80 16,000 28,800 44,800 2.509 0.57 7,965 0.66 Total 100 38,400 43,200 81,600 3.763 0.86 - 22,420 10.21 Comm Overhead 25% Communications Load (Mbps) 1.07 12.77 Page 13
Page 1 and 2: Network Planning for Smart Grid UTC
Page 3 and 4: Smart Grid - an Enterprise-Wide Foc
Page 5 and 6: Methodology for Network Planning &
Page 7 and 8: Co-existing Field Networks SCADA or
Page 9 and 10: Capacity Planning Network Traffic M
Page 11: Typical Substation IED Characterist
Page 15 and 16: Distribution Automation Traffic Ana
Page 17 and 18: AMI Meter Data Case Message Type an
Page 19 and 20: HAN Traffic Could Grow as Customer
Page 21 and 22: Total System Loading Analysis 200 T
Page 23: Questions?? • David.boroughs@kema

KEMA study on substation communications ... - Amperion

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