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Delta Electronics AC Servo Drive ASDA-B User Manual

Page 270

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Chapter 11 Specifications|ASDA-B Series

Revision February 2008, Doc. Name: 2006PDD23000009

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”.