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Long-distance power transmission technology. Microwave power transmission; Denryoku no chokyori yuso gijutsu. Micro ha musen soden

Journal Article:

Abstract

This paper explains the principles of microwave power transmission as a long-distance power transmission technology, and the status of its development. Under an assumption of using a wave length of 12 cm (2.45 GHz) and a transmission distance of 1 km, an ideal wireless power transmission can realize transmitting the power at an efficiency of 95% or higher if transmitting and receiving antennas with a radius of 8.8 m are used. What remains as important requirements is raising the efficiency of conversion from power supply into microwaves, and the efficiency of rectification after the power has been received. By using microwave energy sent from a transmission antenna installed on the roof of an automobile, a model airplane with a receiving antenna installed at its rear flew successfully for 40 seconds under the microwave lifted airplane experiment (MILAX). In an experiment of transmitting microwave power in space, power was successfully transmitted to the child rocket as an event under the International Space Year - Microwave Energy Transmission in Space (ISY-METS). The microwave wireless power transmission on the ground would have a possibility of taking over the overhead line transmission into islands. An attempt is scheduled to send power of 5 kW  More>>
Authors:
Kaya, N [1] 
  1. Kobe University, Kobe (Japan). Faculty of Engineering
Publication Date:
Nov 05, 1994
Product Type:
Journal Article
Reference Number:
SCA: 240200; 426000; 440800; PA: NEDO-94:914868; EDB-95:069824; SN: 95001387651
Resource Relation:
Journal Name: Nippon Kikai Gakkai-Shi (Journal of the Japan Society of Mechanical Engineers); Journal Volume: 97; Journal Issue: 912; Other Information: PBD: 5 Nov 1994
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; 42 ENGINEERING NOT INCLUDED IN OTHER CATEGORIES; 44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; MICROWAVE POWER TRANSMISSION; WAVELENGTHS; ANTENNAS; SPACE; ROCKETS; AIRCRAFT; AUTOMOBILES; MOCKUP; MICROWAVE RADIATION; REMOTE AREAS; ISLANDS; OVERHEAD POWER TRANSMISSION; COMMUNICATIONS; ELECTROMAGNETISM; INTERACTIONS
OSTI ID:
43459
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: NKGKA3; ISSN 0021-4728; TRN: 94:914868
Submitting Site:
NEDO
Size:
pp. 38-40
Announcement Date:
May 25, 1995

Journal Article:

Citation Formats

Kaya, N. Long-distance power transmission technology. Microwave power transmission; Denryoku no chokyori yuso gijutsu. Micro ha musen soden. Japan: N. p., 1994. Web.
Kaya, N. Long-distance power transmission technology. Microwave power transmission; Denryoku no chokyori yuso gijutsu. Micro ha musen soden. Japan.
Kaya, N. 1994. "Long-distance power transmission technology. Microwave power transmission; Denryoku no chokyori yuso gijutsu. Micro ha musen soden." Japan.
@misc{etde_43459,
title = {Long-distance power transmission technology. Microwave power transmission; Denryoku no chokyori yuso gijutsu. Micro ha musen soden}
author = {Kaya, N}
abstractNote = {This paper explains the principles of microwave power transmission as a long-distance power transmission technology, and the status of its development. Under an assumption of using a wave length of 12 cm (2.45 GHz) and a transmission distance of 1 km, an ideal wireless power transmission can realize transmitting the power at an efficiency of 95% or higher if transmitting and receiving antennas with a radius of 8.8 m are used. What remains as important requirements is raising the efficiency of conversion from power supply into microwaves, and the efficiency of rectification after the power has been received. By using microwave energy sent from a transmission antenna installed on the roof of an automobile, a model airplane with a receiving antenna installed at its rear flew successfully for 40 seconds under the microwave lifted airplane experiment (MILAX). In an experiment of transmitting microwave power in space, power was successfully transmitted to the child rocket as an event under the International Space Year - Microwave Energy Transmission in Space (ISY-METS). The microwave wireless power transmission on the ground would have a possibility of taking over the overhead line transmission into islands. An attempt is scheduled to send power of 5 kW by using transmission and receiving antennas with a diameter of 3 m to investigate effects on transmission efficiency, and communications and electromagnetic environments, and to collect basic data. 3 refs., 3 figs.}
journal = {Nippon Kikai Gakkai-Shi (Journal of the Japan Society of Mechanical Engineers)}
issue = {912}
volume = {97}
journal type = {AC}
place = {Japan}
year = {1994}
month = {Nov}
}