Shanghai STEP Electric Corporation
Chapter 1 General knowledge of the integrated drive controller
1.6.5 Altitude and derated application
The thin air at the areas of altitude above 1000 meter will cause the poor heat-dissipation of
integrated drive controller. This time it is necessary to do the derated application of integrated
drive controller. the relation curve between the rated current output and altitude when the
integrated drive controller is in derated application is as below:
m
1000
2000
3000
70%
80%
90%
100%
Rated current
Fig 1.4 the diagram about the relation between the rated output current and altitude
1.6.6 Synchronous sealing star delay
Fig 1.5 sealing star delay circuit tag
1.6.7 Low Voltage directive complies
That our products comply with EN61800-5-1：2007standards, which comply with the Low Voltage
Directive (Low Voltage Directive 2006/95/EC).
If the inverter as a component integration in the entire electrical system, make sure theentire
system meets the requirements of EC Directives.
Note:
①Machine make sure the ground, and make sure the ground terminal is a separateground.
②Inverter prohibited for use in of △ ground and IT power systems.
③If you are loading the cabinet, make sure that the cabinet ground.
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