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C O M B I L I N E Medium Frequency SERVICE MANUAL Sine-Wave-Filter 03/2008...
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Table of Contents 1. Safety Instructions ..................3 Validity ........................3 1.2 Qualification ......................3 2. Service notes ....................4 General .......................4 Required tool ......................4 Life expectancy - exchange of the capacitors ............4 2.4 Checking of the sine-wave filter .................4 2.4.1 Preparations .......................4 2.4.2 Measurements at the capacitor ................5 2.4.3 Measurement of the insulation strength .............5 2.4.4...
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The used semiconductors and components of KEB are develo- ped and dimensioned for the use in industrial products. If the KEB Use under COMBIVERT is used in machines, which work under exceptional special condi-...
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Service Manual for Medium Frequency Sine-wave Filters KEB electronics components contain dangerous voltages which can cause death or serious injury. In operation, drive converters, depending on their degree of protection, may have live, uninsulated, Danger by and possibly also moving and hot surfaces.
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Service Manual for Medium Frequency Sine-wave Filters 2.4.2 Measurements at the capacitor Unscrew and mark connections of the capacitor at the terminal strip. The capacity measurement must be executed as follows: • It is measured between two phases of the delta-connected capacitors.
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Service Manual for Medium Frequency Sine-wave Filters Exchange of the capacitors 2.5.1 Spare parts list If the result of the test requires an exchange of the capacitors, they can be ordered from KEB by the following material number: Table 2.5.1 Capacitor Rated capacitance Tightening torque 0090339-1061 3 x 10,0 µF...
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