Abstract
The paper deals with a mathematical model of the closed loop power supply system for a remotely operated underwater vehicle with a DC transmission line via a rope-cable and the load voltage feedback. The state-space method is used to develop the mathematical model. Using differential equations in the form of Cauchy alleviates significantly the mathematical description. The results for both simulation and mathematical models of the closed loop system are compared, thus, confirming the adequacy of mathematical description and prospects for further application in the design of a versatile tool for calculating and adjusting the parameters of the control system for the power supply system under study.
Highlights
The use of remotely operated underwater vehicles (ROV) contributes significantly to the development of the oil and gas exploration and production industry in the shelf zones
The purpose of the present paper is to develop a mathematical model of power supply system (PSS) for ROV with DC power transmission line over a rope-cable and a load voltage feedback
The secondary winding of the transformer is linked to a single-phase bridge rectifier with its output filter (Filter2), providing the high voltage applied to the load via a rope-cable
Summary
The use of remotely operated underwater vehicles (ROV) contributes significantly to the development of the oil and gas exploration and production industry in the shelf zones. The secondary winding of the transformer is linked to a single-phase bridge rectifier with its output filter (Filter2), providing the high voltage applied to the load via a rope-cable. Accepted designations: Us and is are DC source voltage and current, ; Rs, Ls and Cs are the resistance, inductance and capacitance of the DC source circuit, ; RON and R'ON are the equivalent on-state resistances of the VSI and the bridge rectifier, ; R1, L1 and C1 are the resistance, inductance and capacitance of the VSI output filter, ; R'2, L'2 and C'2 are the resistance, inductance and capacitance of the rectifier output filter, ; R'rc, L'rc and C'rc are the resistance, inductance and capacitance of the rope-cable, ; R'd is the load resistance; the prime mark related to the parameters and values reduced to the primary winding of the transformer
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