IEEE C37.121-2012 REDLINE
Current
The latest, up-to-date edition.
IEEE Guide for Switchgear - Unit Substation - Requirements
English
02-22-2013
Defines the requirements for three-phase unit substations for step-down operation in the range of 112.5 kVA through 1,000 kVA at primary voltages of 601 volts through 38 kilovolts.
Committee |
Switchgear
|
DocumentType |
Standard
|
Pages |
89
|
PublisherName |
Institute of Electrical & Electronics Engineers
|
Status |
Current
|
SupersededBy | |
Supersedes |
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ANSI C57.12.27 : 1982 | LIQUID-FILLED DISTRIBUTION TRANSFORMERS USED IN PAD-MOUNTED INSTALLATIONS INCLUDING UNIT SUBSTATIONS CONFORMANCE STANDARD FOR, |
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IEEE C57.92-1981 | IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and Including 100 MVA with 55 C or 65 C Average Winding Rise |
IEEE 142 : 2007 | GROUNDING OF INDUSTRIAL AND COMMERCIAL POWER SYSTEMS |
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IEEE C57.12.50 : 1981 | REQUIREMENTS FOR VENTILATED DRY-TYPE DISTRIBUTION TRANSFORMERS, 1 TO 500 KVA, SINGLE-PHASE, AND 15 TO 500 KVA, THREE-PHASE, WITH HIGH-VOLTAGE 601 TO 34500 VOLTS, LOW-VOLTAGE 120 TO 600 VOLTS |
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