Title:
エレベータシステム用省エネルギー可変速駆動装置
Document Type and Number:
Japanese Patent JP2007519587
Kind Code:
A
Abstract:
An improved system of variable speed drives that enhances the energy efficiency of an elevator system by enabling power transfer between the variable speed drives of two or more elevators via a common DC bus. Any combination of regenerative and non-regenerative variable speed drives may be used with the present invention. Energy storage devices may be connected to the common DC bus further improve efficiency.
Inventors:
Smith, rory
Nguyen, Haien, Tea.
Nguyen, Haien, Tea.
Application Number:
JP2006551071A
Publication Date:
July 19, 2007
Filing Date:
December 10, 2004
Export Citation:
Assignee:
Thyssen Elevator Capital Corporation
International Classes:
B66B1/34; B66B1/28
Domestic Patent References:
| JPS61240891A | 1986-10-27 | |||
| JP2001139243A | 2001-05-22 | |||
| JP2001240336A | 2001-09-04 |
Attorney, Agent or Firm:
Masayoshi Misawa