PC57.16 - Standard for Requirements, Terminology, and Test Code for Dry-Type Air-Core Series-Connected Reactors
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This standard applies to series-connected dry-type air-core single-phase and three-phase outdoor or indoor reactors of distribution and transmission voltage class that are connected in the power system to control power flow under steady-state conditions and/or limit fault current under short-circuit conditions. Dry-type air-core reactors covered by this standard are self-cooled by natural air convection. With some restrictions, this standard is applicable to filter reactors, shunt capacitor reactors (used with shunt capacitor banks), and discharge current-limiting reactors (used with series capacitor banks). Annex A, Annex B, and Annex C are included to provide guidance. This standard does not apply to devices such as a) Shunt reactors (see IEEE Std C57.21(TM)-2008) b) Arc suppression coils c) Neutral grounding devices (see IEEE Std 32(TM)-1972 [B21]) d) Line resonant reactors e) High-voltage direct current (HVDC) smoothing reactors (IEEE Std 1277(TM)-2010 [B23]) f) Forced cooled reactors g) Line traps and radio interference (RI) filter reactors (ANSI C93.3-1995)
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