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Article | REF: C3722 V3

Moving people - Lifts

Author: Stéphane RÉAU

Publication date: February 10, 2015

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ABSTRACT

Technologies used for motor-driven systems have significantly changed over the past decade through the development of frequency-controlled drive devices. Today, these offer a response to the essential health and safety requirements imposed by the European Directives. Lift stop accuracy is an essential factor for accessibility. For this reason the frequency-controlled drive has tended to supersede all other earlier drive devices. The use of the latest technology, combined with smart management of the electrical peripheral systems or the electrical operation, has led to a significant improvement in the electrical and mechanical performance of lifts. They can meet the new requirements and the reductions in energy consumption prescribed by the "Grenelle de l'Environnement".

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AUTHOR

  • Stéphane RÉAU: Technical Manager at Sodimas® elevators - Engineer from the Ecole Nationale Supérieure d'Électricité et de Mécanique de Nancy (ENSEM) - Member of working groups of the European Committee for Standardization (CEN) and the International Organization for Standardization (ISO)

 INTRODUCTION

As elevator motorization and control system technologies have evolved considerably over the last 10 years, the configuration and layout of elevator equipment in buildings has changed considerably. One example is the virtual disappearance of machine rooms in new elevator construction. As a result, regulations have been introduced over the years to govern both the safety and maintenance of installations. The Elevator Directive 95/16/EC of June 29, 1995, transposed by Decree no. 2000-810 of August 24, 2000, as amended, and the Urbanism and Habitat Act of July 2, 2003 and Decree no. 2004-964 of September 9, 2004, as amended, are the two major texts to have been published in recent years in the elevator field.

A new Directive No. 2014/33/EU on the harmonization of the laws of the Member States relating to elevators and safety components for elevators applies from April 18, 2014. This new directive recasts Directive 95/16/EC, which remains in force on a transitional basis until April 19, 2016. The new directive has yet to be transposed into French law. At the same time, in response to the essential health and safety requirements imposed by these directives, non-mandatory harmonized standards are proposed to facilitate their application and offer technical solutions to designers.

This article, based on a pragmatic description of elevator technology, will give readers a better grasp of the issues involved in setting up the equipment in its environment, as well as the accessibility and safety issues associated with this mode of vertical travel. It reflects the state of the art in the profession.

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