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Open circuit voltage (OCV) of electrical devices is an issue in various fields, whose numerical evaluation needs careful treatment. The open-circuited structure is ill-conditioned because of the singular electric field at the corners, and the TEM component of the electric field has to be extracted before integrated to give the voltage in the direct method of obtaining the OCV. This paper introduces the indirect methods to calculate the OCV, the admittance matrix method and the Norton theorem method. Both methods are based on the short-circuited structure which is well-conditioned. The explicit expressions of the OCV are derived in terms of the admittance matrix elements in the admittance matrix method, and in terms of the short circuit current and the antenna impedance of the electrical device under consideration in the Norton theorem method. These two methods are equivalent in theory, but the admittance matrix method is suitable for the nearby transmitter cases while the Norton theorem method is suitable for the distant transmitter cases. Several examples are given to show the usefulness of the present theory.

- Publication
- IEICE TRANSACTIONS on Communications Vol.E91-B No.6 pp.1825-1830

- Publication Date
- 2008/06/01

- Publicized

- Online ISSN
- 1745-1345

- DOI
- 10.1093/ietcom/e91-b.6.1825

- Type of Manuscript
- Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation)

- Category
- Electromagnetics

The copyright of the original papers published on this site belongs to IEICE. Unauthorized use of the original or translated papers is prohibited. See IEICE Provisions on Copyright for details.

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Naoki INAGAKI, Katsuyuki FUJII, "Indirect Calculation Methods for Open Circuit Voltages" in IEICE TRANSACTIONS on Communications,
vol. E91-B, no. 6, pp. 1825-1830, June 2008, doi: 10.1093/ietcom/e91-b.6.1825.

Abstract: Open circuit voltage (OCV) of electrical devices is an issue in various fields, whose numerical evaluation needs careful treatment. The open-circuited structure is ill-conditioned because of the singular electric field at the corners, and the TEM component of the electric field has to be extracted before integrated to give the voltage in the direct method of obtaining the OCV. This paper introduces the indirect methods to calculate the OCV, the admittance matrix method and the Norton theorem method. Both methods are based on the short-circuited structure which is well-conditioned. The explicit expressions of the OCV are derived in terms of the admittance matrix elements in the admittance matrix method, and in terms of the short circuit current and the antenna impedance of the electrical device under consideration in the Norton theorem method. These two methods are equivalent in theory, but the admittance matrix method is suitable for the nearby transmitter cases while the Norton theorem method is suitable for the distant transmitter cases. Several examples are given to show the usefulness of the present theory.

URL: https://global.ieice.org/en_transactions/communications/10.1093/ietcom/e91-b.6.1825/_p

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@ARTICLE{e91-b_6_1825,

author={Naoki INAGAKI, Katsuyuki FUJII, },

journal={IEICE TRANSACTIONS on Communications},

title={Indirect Calculation Methods for Open Circuit Voltages},

year={2008},

volume={E91-B},

number={6},

pages={1825-1830},

abstract={Open circuit voltage (OCV) of electrical devices is an issue in various fields, whose numerical evaluation needs careful treatment. The open-circuited structure is ill-conditioned because of the singular electric field at the corners, and the TEM component of the electric field has to be extracted before integrated to give the voltage in the direct method of obtaining the OCV. This paper introduces the indirect methods to calculate the OCV, the admittance matrix method and the Norton theorem method. Both methods are based on the short-circuited structure which is well-conditioned. The explicit expressions of the OCV are derived in terms of the admittance matrix elements in the admittance matrix method, and in terms of the short circuit current and the antenna impedance of the electrical device under consideration in the Norton theorem method. These two methods are equivalent in theory, but the admittance matrix method is suitable for the nearby transmitter cases while the Norton theorem method is suitable for the distant transmitter cases. Several examples are given to show the usefulness of the present theory.},

keywords={},

doi={10.1093/ietcom/e91-b.6.1825},

ISSN={1745-1345},

month={June},}

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TY - JOUR

TI - Indirect Calculation Methods for Open Circuit Voltages

T2 - IEICE TRANSACTIONS on Communications

SP - 1825

EP - 1830

AU - Naoki INAGAKI

AU - Katsuyuki FUJII

PY - 2008

DO - 10.1093/ietcom/e91-b.6.1825

JO - IEICE TRANSACTIONS on Communications

SN - 1745-1345

VL - E91-B

IS - 6

JA - IEICE TRANSACTIONS on Communications

Y1 - June 2008

AB - Open circuit voltage (OCV) of electrical devices is an issue in various fields, whose numerical evaluation needs careful treatment. The open-circuited structure is ill-conditioned because of the singular electric field at the corners, and the TEM component of the electric field has to be extracted before integrated to give the voltage in the direct method of obtaining the OCV. This paper introduces the indirect methods to calculate the OCV, the admittance matrix method and the Norton theorem method. Both methods are based on the short-circuited structure which is well-conditioned. The explicit expressions of the OCV are derived in terms of the admittance matrix elements in the admittance matrix method, and in terms of the short circuit current and the antenna impedance of the electrical device under consideration in the Norton theorem method. These two methods are equivalent in theory, but the admittance matrix method is suitable for the nearby transmitter cases while the Norton theorem method is suitable for the distant transmitter cases. Several examples are given to show the usefulness of the present theory.

ER -