skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Optimal solar array configuration and DC motor field parameters for maximum annual output mechanical energy

Journal Article · · IEEE Transactions on Energy Conversion; (USA)
DOI:https://doi.org/10.1109/60.43249· OSTI ID:5622483

This paper presents a procedure for the proper design of systems comprising photovoltaic solar generators directly supplying DC motors. The method is based on maximizing the total annual gross mechanical energy delivered to a mechanical load with a given torque-speed characteristic. The seasonal variations of both the insolation level as well as the ambient temperature are taken into account. From the required rated output power and the voltage-current characteristic of a single solar cell, the total number of cells can be directly determined. The two unknowns affecting the objective function (the total annual gross energy) are the number of panels in series, or equivalently, the number of strings in parallel, as well as the motor field constant (for separately-excited motors), or the armature-field mutual inductance (for series motors). The proposed technique is applied to two practical case studies, and the resulting optimal design parameters are compared with those available in the literature. A comparison is also made between the optimal separately-excited and series motor design alternatives regarding the annual gross mechanical output energy.

OSTI ID:
5622483
Journal Information:
IEEE Transactions on Energy Conversion; (USA), Vol. 4:3; ISSN 0885-8969
Country of Publication:
United States
Language:
English

Similar Records

Matching of DC motors to photovoltaic generators for maximum daily gross mechanical energy
Journal Article · Thu Sep 01 00:00:00 EDT 1988 · IEEE Trans. Power Electronics; (United States) · OSTI ID:5622483

Starting and steady-state characteristics of DC motors powered by solar cell generators
Journal Article · Sat Mar 01 00:00:00 EST 1986 · IEEE Trans. Power Electronics; (United States) · OSTI ID:5622483

Starting characteristics of direct current motors powered by solar cells
Journal Article · Mon Mar 01 00:00:00 EST 1993 · IEEE Transactions on Energy Conversion (Institute of Electrical and Electronics Engineers); (United States) · OSTI ID:5622483