prEN IEC 62271-212:2021

High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)

General information
Base Documents
IEC 62271-212:202X; prEN IEC 62271-212:2021
Directives or regulations
Standard history
This part of IEC 62271 specifies the service conditions, rated characteristics, general structural requirements and test methods of the assemblies of the main electrical functional units of a high-voltage substation, duly interconnected, for operating voltages up to and including 52 kV on the high-voltage side, service frequency 50 Hz or 60 Hz. The CEADS is cable-connected to the high-voltage network for indoor and outdoor applications of restricted access. A CEADS as defined in this document is designed and tested to be a single product with a single serial number and one set of documentation. The functions of a CEADS can be: - switching and control for the operation of the high-voltage circuit(s); - switching and control for the operation of the low-voltage circuit(s); - protection of the power transformer functional unit; - high-voltage/high-voltage or high-voltage/low-voltage transformation; To comply with CEADS requirements it is not necessary for all main functions to exist on every product. The main functions are integrated in the following functional units: - high-voltage functional unit - power transformer functional unit - low-voltage functional unit NOTE For the purpose of this document a self-protected transformer is not considered as a CEADS, but as a functional unit, designed and type tested to its own product standard IEC 60076-13:2006.
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Standard monitoring