DSH 591/06 Short circuit and overload protection
http://decisions.iecee.org/icons/ecblank.gif DSH 591/06
Short circuit and overload protection
15.3.2
61558-1(ed.1);am1
Standard: IEC 61558-1/1997
A1/1998
Sub clause: 15.3.2
Sheet N°: 591/06
Page: 1 (1)
Subject: Short circuit and overload
protection
Key words:
- Fuse current
- Overloading test
- Overload current
Meeting:
Decision confirmed
at 44th CTL meeting
Question: During the overloading test on the transformer according to § 15.3.2 the
temperature of the windings and their resistance increase and consequently the
overload current decreases. Has the fuse current be readjusted to the original
overload current during the test or no adjustment has to be made?
Decision: The fuse current has to be kept constant during the test.
页:
[1]
