LEADER 02085nam 2200373 450 001 996280490403316 005 20231206165728.0 010 $a1-5044-3993-7 024 7 $a10.1109/IEEESTD.2017.7932209 035 $a(CKB)3710000001403075 035 $a(NjHacI)993710000001403075 035 $a(EXLCZ)993710000001403075 100 $a20231206d2017 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aIEEE Std C37.21-2017 (Revision of IEEE Std C37.21-2005) $eIEEE Standard for Control Switchboards /$fInstitute of Electrical and Electronics Engineers 210 1$aNew York, NY, USA :$cIEEE,$d2017. 215 $a1 online resource (34 pages) 330 $aRatings, construction, and testing of dead-front control switchboards containing, but not limited to, devices such as switches, control devices, instrumentation, metering, monitoring, alarms, annunciators, protective and auxiliary relays, and regulating devices and accessories are covered in this standard. It includes, but is not specifically limited to, switchboards for the control and protection of apparatus used for or associated with power generation, conversion, transmission, and distribution. Types of switchboards may include control, vertical, dead-front, enclosed, dual, or duplex switchboards. Other construction types include control desks, consoles, benchboards, dual or duplex benchboards, fixed rack, cabinet, and swing rack cabinets. It does not apply to industrial controls, communication equipment, switchboards for use on board ships, or Class 1E switchboards for use in nuclear generating stations. 517 $aIEEE Std C37.21-2017 606 $aElectric switchgear 606 $aElectric contacts 615 0$aElectric switchgear. 615 0$aElectric contacts. 676 $a621.3173 801 0$bNjHacI 801 1$bNjHacl 906 $aDOCUMENT 912 $a996280490403316 996 $aIEEE Std C37.21-2017 (Revision of IEEE Std C37.21-2005)$93646558 997 $aUNISA LEADER 01133nam0 2200277 i 450 001 VAN00071779 005 20240806100554.554 100 $a20091007d1990 |0itac50 ba 101 $aita 102 $aIT 105 $a|||| ||||| 200 1 $aˆIl ‰sistema delle partecipazioni statali$eanalisi delle condizioni di equilibrio 205 $a3. ed. riv. e ampliata$fa cura di Luca Anselmi 210 $aTorino$cGiappichelli$dc1990 215 $aIX, 317 p.$d20 cm. 410 1$1001VAN00032582$12001 $aStudi di economia e politica aziendale$1210 $aTorino$cGiappichelli.$v3 606 $aPartecipazioni statali$xItalia$3VANC026704$2FI 620 $dTorino$3VANL000001 702 1$aAnselmi$bLuca$3VANV006659 712 $aGiappichelli $3VANV107921$4650 801 $aIT$bSOL$c20240906$gRICA 899 $aBIBLIOTECA DEL DIPARTIMENTO DI ECONOMIA$1IT-CE0106$2VAN03 912 $aVAN00071779 950 $aBIBLIOTECA DEL DIPARTIMENTO DI ECONOMIA$d03PREST IIBd21 $e03 337 20091007 996 $aSistema delle partecipazioni statali$962902 997 $aUNICAMPANIA