Simulation Study on Power Line Carrier Communication Design for Subsea Production Control System

Abstract

Abstract:

The normal operation of subsea production control system is closely linked to the safety and reliability of communication system. Power line carrier communication (PLC) model is established with the concept of lumped parameter, and the RLGC measured data of an underwater gas field of the South China Sea is introduced into the system. The OrCAD Capture software is used for simulation. Attenuation curves of different transmission paths are obtained. Finally, through limiting the bit error rate, the attainable transmission rate is calculated. In this way, a new method is provided for the communication design of subsea production system.

Key words: subsea production system, lumped parameter, power line carrier communication, RLGC, OrCAD Capture software

CLC Number:

TN913.6

Shu-bin WANG, Ying LIU, Hai-liang CAO, Long-chuan GUO, Jue WANG, Chun-li ZHU, Jia TIAN. Simulation Study on Power Line Carrier Communication Design for Subsea Production Control System[J]. Ocean Engineering Equipment and Technology, 2015, 2(1): 64-71.

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距离/km	电阻R/Ω	电感L/mH	电容C/μF
0.2	0.48	0.150	0.0104
0.3	0.72	0.225	0.0156
0.5	1.2	0.375	0.0260
1	2.4	0.750	0.0520
1.5	3.6	1.125	0.0780
2	4.8	1.500	0.1040
30	72	22.500	1.5600

M值	传输速率/(bit·s^-1)
4	1392.625
16	514.244
64	175.942
256	56.818

调制方式	路径	带宽 /kHz	传输速率 /(bit·s^-1)
4QAM	SEM1→B→A→C→SEM5	5.6927	45044
	SEM1→B→A→D→SEM7	9.0350	71491
	SEM5→C→A→B→SEM1	5.7427	45440
	SEM5→C→A→D→SEM7	20.4940	162162
	SEM7→D→A→B→SEM1	9.4555	74818
	SEM7→D→A→C→SEM5	16.0150	126721