LEADER 01605nam 2200373 450 001 996279558003316 005 20231206190642.0 010 $a0-7381-4300-6 024 7 $a10.1109/IEEESTD.1981.81013 035 $a(CKB)3780000000089308 035 $a(NjHacI)993780000000089308 035 $a(EXLCZ)993780000000089308 100 $a20231206d1981 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aANSI/IEEE Std C57.21-1981 $eIEEE Standard Requirements, Terminology, and Test Code for Shunt Reactors Over 500 kVa /$fInstitute of Electrical and Electronics Engineers 210 1$aNew York, New York :$cIEEE,$d1981. 215 $a1 online resource 330 $aThis standard applies to all oil-immersed or dry-type, single-phase or three-phase outdoor or indoor shunt reactors rated 501 kVA and larger. It covers general requirements, terminology, ratings, insulation classes, dielectric tests, losses, impedance, temperature rise, construction, accessories and the test code. 517 $aANSI/IEEE Std C57.21-1981: IEEE Standard Requirements, Terminology, and Test Code for Shunt Reactors Over 500 kVa 606 $aElectronic apparatus and appliances$xStandards 606 $aElectronic circuits$xStandards 615 0$aElectronic apparatus and appliances$xStandards. 615 0$aElectronic circuits$xStandards. 676 $a621.3815 801 0$bNjHacI 801 1$bNjHacl 906 $aDOCUMENT 912 $a996279558003316 996 $aANSI$92072434 997 $aUNISA