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2 cabs, 1 shaft, 0 crowds

The TWIN elevator system, exclusively supplied by ThyssenKrupp Elevator, is the only elevator system on the market that offers two cars moving in one shaft independently and it addresses a wide range of issues that owners, operators and occupants of tall buildings face before, during and after construction.

 

TWIN keeps waiting time to a minimum

Due to the fact that the two cars operate independently in the same shaft, TWIN is able to take two passengers to two different floors at the same time. No longer do passengers need to wait in a stationary double-deck elevator while passengers get in or out of the deck above or below. To keep the elevators out of each other’s way and to reduce unnecessary waiting time, TWIN exploits the advantages of a passenger grouping system: ThyssenKrupp Elevator’s intelligent Destination Selection Control (DSC) system – minimises travel time by reducing the number of stops each elevator has to make and improving service levels for end users.

 

TWIN increases usable floor space and design possibilities

Traditionally, improving the service level of your elevator system has meant a loss of rentable space due to a bigger elevator core. Only TWIN gives you the choice of better traffic handling capacity without increasing the footprint of the elevator core, or the same handling capacity as a conventional elevator system but with a smaller core.

 

TWIN increases passenger handling capacity

In addition to maximising the passenger handling capacity for new buildings, TWIN can be retrofitted as a modernisation option to increase the traffic handling capacity of existing elevator shafts by boosting the capacity of the system. Alternatively, modernizing with TWIN allows you to free up shafts for other uses such as air conditioning or network cabling while keeping the passenger handling capacity the same as before - or even increasing it.

 

TWIN saves energy

TWIN offers an additional 30% energy saving over conventional double-deck solutions in non-shuttle elevator applications. Though double-deck elevators are an increasingly popular choice in today’s high-rise buildings, they have however a heavier total mass to move, whereas TWIN needs about 30% less connected electrical loads, which means smaller ratings for transformers and electrical wiring.

Due to less power required for the TWIN system than double-deck elevators, there is also less heat output in the machine rooms resulting in lower costs for air-conditioning. Another advantage of TWIN over double-deck is that the emergency diesel generator of the building can be downsized by about 50%.

Furthermore, the TWIN system even offers the ability to park and switch off one of the cars when traffic is light, thus saving additional energy that makes a significant contribution to lower running costs over the course of the building’s lifetime.

 

TWIN has safety and reliability built in

ThyssenKrupp Elevator has developed an innovative quadruple redundancy safety system, facilitated by DSC, namely, anti-collision routing, automatic monitoring of minimum safety distances, an emergency stop function and automatic engagement of the safety gear which, in the unlikely event that the first three stages fail, all work together to keep 2 cabs a safe distance apart at all times. In compliance with IEC EN 61508, these last two safety levels are continuously monitored by an independent control system - giving the TWIN system the highest possible international safety classification in the world today (SIL3).

 

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