Table 2 Values of the parameter T.P. for various drives and installations.

From: Connected smart elevator systems for smart power and time saving

Drive

Floors above ground

Trip time in seconds

Range

Mean

Hydraulic

Without counterweight

Less than 6

5–7

6

Geared

A.C. 2-speed

6

9–12

10.5

ACVV (high mass)

12

7–10

8.5

ACVV (low mass)

12

5–8

6.5

Gearless

Motor-generator

18

4–6

5

Thyristor

18

3–5

4