Section III. CURRENT TRANSFORMER6-7. On Equipment Test.6-8. Removal anda.The following resistance readings should bea.Removalprecent for good current transformers. Use a Simp-Disassembly.son 260 or equivalent meter, (properly zeroed) with(1) Remove and tag the generator output leadsthe R x 1 scale selected for making the measure-and pass them through the associated current trans-ments.formers freeing the current transformer assemblyfor removal. (fig. 6-2)b .Current transformer secondary resistancereadng. (fig. 6-2)Percent ofRated LoadMeterLMUCross CurrentCompensationCT1 . . .CT2 . . .CT3 . . .CT4 . . .CT5 . . .CT6. . .CT7 . . .(2) Remove the generator harness wiringfrom terminal block TB16, identifying each lead with2.5 ohmsthe terminal block post number from which it wassame as CTlremoved.same as CTl(3) Remove the current transformer assem-0.2 ohms pins 1 to 3, 0.1bly (7, fig. 6-3) by removing hardware items 3,ohm center pin to 1 and4 and 5.center pin tosame as CT4same as CT40.5 ohms pins3b .Disassembly.See figure 6-4 and disassemblethe current transformer as illustrated.l and 2Figure 6-2. Routing Main Generator Leads Through Current TransformersChange 1 6-5
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