Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

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1 Glossary

Simplex OperationController operation that involves only one car.
Starting - Solid State Solid state starting – an electronic reduced voltage star...
Variable VoltageA method of controlling a DC-driven machine which produces may d...
Variable Voltage, Variable Frequency (VVVF)A method of controlling an AC motor t...

3 The Hydraulic Elevator

Controller/Selector ModuleController/Selector Module: The controller, using micr...
Controller Mounting The contoller for a Hydraulic elevator is typically mounted ...

4 The Traction Elevator

Controller/Selector ModuleController/Selector Module: The controller, using micr...
Wiring Package ModuleWire Package Module: The wiring package module contains mat...

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