Published 1990 by Ellis Horwood, published for the International Association of Elevator Engineers in New York .
Written in EnglishRead online
Includes bibliographical references.
|Statement||G.C. Barney and Loher AG.|
|Series||Ellis Horwood series in transportation, Ellis Horwood series in vertical transportation, Ellis Horwood series in transportation|
|Contributions||Barney, G. C. 1935-, Loher AG.|
|LC Classifications||TJ1374 .E44 1990|
|The Physical Object|
|Pagination||xv, 197 p. :|
|Number of Pages||197|
Download Elevator electric drives
Chapters include: specifications, design and construction of modern AC electric drive, control concepts and practice, mains distortion by elevator drive systems, energy losses/savings, motor design for low acoustic noise, monitoring and protection of AC motor, controller design (examples and installation), trends in the development of elevator drives and more.
Elevator Electric Drives: Concepts and Principles, Control and Practice (Ellis Horwood Series in Vertical Transportation) by G. Barney (Author). Elevator Electric Drives (Digital) $ IMPORTANT INFORMATION – PLEASE READ: You are purchasing a digital book or video that is accessed through the Flux Player app (not a stand-alone PDF).
It’s easy to use and all of your digital purchases will be stored in one place for convenience. This new book first provides a quick introductory review on elevator systems to help readers who have no background knowledge in elevator technology get into the world of elevators.
It then leads to its three Elevator electric drives book parts: “Motor Drive and Control,” “Ropes and Traction” and “Traffic Analysis.” There are four chapters in each, which gradually.
Today, electrical drives are used as propulsion systems in high-speed trains, elevators, escalators, electric ships, electric forklift trucks and electric vehicles. Advanced control algorithms (mostly digitally implemented) allow torque control over a high-bandwidth.
Hence, precise motion control can be achieved. This test is based on the article, Electric Motors for Elevators published in the February issue and counts as one contact hour ( CEU) of elevator industry continuing education credit. Most courses approved by NAEC for CET/CAT and NAESAI for QEI and in the following.
We are your one stop shop for ALL things Elevator-related. From books to posters, we've got you covered. If you're new or have created an account in the past few months, you may have to create a new one. Electrical Engineering Pocket Handbook $ Elevator Industry Field Employees’ Safety Handbook (Print) $ Elevators SPECIAL NOTICE: Please check each course for verification of approval before purchasing.
This test is based on the article, Motor Drive and Control, and counts as 1 contact hour ( CEU) of elevator-industry continuing-education courses are approved by NAEC for CET/CAT and NAESAI for QEI and in the following states: Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky.
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IMPORTANT INFORMATION – PLEASE READ: You are purchasing a digital book or video that is accessed through the Flux Player app (not a stand-alone PDF). It’s easy to use and all of your digital purchases will be stored in one place for convenience.
Once you make your digital purchase you will receive an email confirmation. Today, many elevator drives are electric and work to power all the mechanical movements of the elevator with much better efficiency than other types of automatic or manual drives.
The electric motor is operated by a three-phase induction motor, which offers much more precise control over the elevator function by working in stages to build power.
8 Elevators Ana Escalada and Gonzalo Abad Introduction In this chapter, elevators from an electric and electronic point of view are studied. Hence, first of all, a general description - Selection from Power Electronics and Electric Drives for Traction Applications [Book].
IntroductionBaldor Electric manufactures several different Drive types for the elevator industry. These drives are DC SCR (Thyristor), AC Inverter (VVVF) and AC Vector. Each drive type is best suited for a specific application in the elevator market.
It is the most popular elevator design, in this system the car is raised and lowed by traction steel ropes. The ropes are connected to the elevator car, and looped around a pulley. The pulley grips the ropes, so that when the electric motor rotates the pulley, the ropes move too.
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Main article: Traction elevators Geared traction machines are driven by AC or DC electric motors. Geared machines use worm gears to control mechanical movement of elevator cars by "rolling" steel hoist ropes over a drive sheave which is attached to a gearbox driven by a high speed motor.
These machines are generally the best option for basement or overhead traction use for speeds up to ft. Today, electrical drives are used as propulsion systems in high-speed trains, elevators, escalators, electric ships, electric forklift trucks and electric vehicles.
Advanced control algorithms (mostly digitally implemented) allow torque control over a high-bandwidth. Elevator Design, Construction and Maintenance - [Merchant Books] on *FREE* shipping on qualifying offers. Elevator Design, Construction and Maintenance - Reviews: 5.
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Extracts from ASME Elevator Code and Handbook Editor’s Note: This supplement provides the reader with detailed information on el- evator emergency operation and signaling devices. It consists of extracted material from ASME A, Safety Code for Elevators and Escalators,and its accom- panying handbook.
Regenerative drive system in elevator is a remarkable advancement in these energy efficient elevators. For mid and high-rise buildings, traction or cable-driven type of elevators are perfectly suitable compared with the electromechanical relays-based elevators and hydraulic elevators.
This thesis is a study on the implementation of an elevator’s position-controlled electric drive. The information contained within this paper serves as a framework to expand the usefulness.
An elevator (North American English) or lift (Commonwealth English) is a type of vertical transportation machine that moves people or freight between floors, levels, or decks of a building, vessel, or other structure.
Elevators are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a cylindrical.
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Elevator Control System is the system responsible for coordinating all aspects of elevator service such as travel, speed, and accelerating, decelerating, door opening speed and delay, leveling and hall lantern signals.
It accepts inputs (e.g. button signals) and produces outputs (elevator cars. Electric Elevators. Electric elevators came into use toward the end of the 19th century. The first one was built by the German inventor Werner von Siemens in Black inventor, Alexander Miles patented an electric elevator (U.S.
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M LnduRae r Hydraulic machine room-less Twinpost above-ground B A C D E B A C D E A C 1, 2 & 3 – Stage Jack G S O T P G 1. elevators in-line, and not more than six (6) cars in a group of three (3) facing three (3). The lobby width between two banks of passenger elevators shall not be less than m (12 ft).
Service elevator lobbies shall not be less than m (14 ft). The maximum walking distance from patient elevators to the most distance check -in.
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No annoying ads, no download limits, enjoy it. The application of AC drive technology to various types of AC elevator motors requires a thorough understanding of the clear advantages and tradeoffs, in order to make the very best possible choices for AC drives and motors.
Elevator electric drives: concepts and principles, controls and practice. [G C Barney; Loher AG.; International Association of Elevator Engineers.] Print book: EnglishView all editions and formats: Rating: (not yet rated) 0 with reviews - Be the first.
Subjects: Elevators -- Design and construction. Electric. A drive is the electronic device that harnesses and controls the electrical energy sent to the motor. The drive feeds electricity into the motor in varying amounts and at varying frequencies.
When the superintendent announces that the building will undergo an upgrade with a new electrical elevator, Nathan wonders how their elevator service will change and where the elevator man will go. This whimsical book presents a good example of how modernization brings changes in the types of goods and services we enjoy as consumers, while it Reviews: 5.
This paper is a study on the real-time implementation of a position-control based electric elevator drive. The information contained within this paper serves as a framework to expand the usefulness of electric drives through the addition of digital control systems and switching power supplies.
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And to list the different components of the elevators, we must note the following.