Delta-electronics ASDA-B Series Manual do Utilizador Página 270

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Chapter 11 Specifications|ASDA-B Series
Revision January 2009 11-3
NOTE
1) Rated rotation speed: When full load, speed ratio is defined as the minimum
speed (the motor will not pause).
2) When command is rated rotation speed, the speed fluctuation rate is defined as:
(Empty load rotation speed – Full load rotation speed) / Rated rotation speed
3) TN system: A power distribution system having one point directly earthed, the
exposed conductive parts of the installation being connected to that points by
protective earth conductor.
TT system: A power distribution system having one point directly earthed, the
exposed conductive parts of the installation being connected to earth independent
of the power system.
4) Please refer to “Chart of load and operating time” in section 11.5 “Overload
Characteristics”.
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