Description
3.3 Installation
1LE5, 1PC4 shaft height 315/355
20
Operating Instructions, 10/2020, A5E41454666A
3.3.2
Regulations
The regulations and standards used as the basis for designing and testing this machine are
stamped on the rating plate. The machine design basically complies with the following
standards:
Table 3- 1
Applicable general regulations
Feature
Standard
EAC
Dimensioning and operating behavior
EN / IEC 60034-1
GOST R IEC 60034-1
Procedure for determining the losses and the effi-
ciency of rotating electrical machines and inspections
EN / IEC 60034-2-1
EN / IEC 60034-2-2
EN / IEC 60034-2-3
GOST R IEC 60034-2-1
GOST R IEC 60034-2-2
GOST IEC 60034-2-3
Degree of protection
EN / IEC 60034-5
GOST IEC 60034-5
Cooling
EN / IEC 60034-6
GOST R IEC 60034-6
Type of construction
EN / IEC 60034-7
GOST R IEC 60034-7
Terminal designations and direction of rotation
EN / IEC 60034-8
GOST 26772
Noise emission
EN / IEC 60034-9
GOST IEC 60034-9
Integrated thermal protection
EN / IEC 60034-11
GOST 27888
Starting characteristics of rotating electrical machines EN / IEC 60034-12
GOST R IEC 60034-12
Vibration severity grades
EN / IEC 60034-14
GOST IEC 60034-14
Efficiency classification of three-phase squirrel-cage
induction motors
EN / IEC 60034-30-1 GOST IEC 60034-30-1
IEC standard voltages
IEC 60038
GOST R IEC 61800-1
3.3.3
Cooling and ventilation
The machines of this series are three-phase induction machines with a closed primary
(internal) cooling circuit and an open secondary cooling circuit (surface cooling). The surface
cooling varies depending on the version.