IEEE C57.12.24-2009 pdf free.IEEE Standard for Submersible,Three-Phase Transformers, 3750 kVA and Smaller: High Voltage, 34 500 GrdY/19920 Volts and Below; Low Voltage, 600 Volts and Below.
IEEE C57.12.24 covers certain electrical, dimensional, and mechanical characteristics and takes into consideration certain safety features of three-phase. 60 Hz, liquid-immersed, self-cooled, submersible transfonncrs with separable insulated high-voltage connectors. These transformers arc rated 3750 kVA and smaller with high voltages of 34 500 GrdY19 920 V and below and with low voltages of 6(X) V and below. These transformers are generally used for step-down purposes from an underground primary cable supply. These transformers are typically installed in an enclosure below ground level, operated from above and suitable for continuous submerged operation.
1.2 Purpose
[his standard is intended ti.r use as a basis br establishing the pertormance, electrical and mechanical interchangeability, and safety of the equipment covered, and to assist in the proper selection of such equipment.
2. Normative references
The following referenced documents are indispensable for the application of this standard (i.e.. they must be understood and used, so each referenced document is cited in text and its relationship to this standard is explained). For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments or corrigenda) applies.
IEEE Std 386TM20O6, IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Above 600 V.
IEEE Std C57.12.00TM2006. IEEE Standard for Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers.
IEEE Std C57.l2.20TM2005. IEEE Standard For Overhead -Type Distribution Transformers. 500 kVA and Smaller: high Voltage. 34 500 V and Below Low Voltage. 7970/13 800Y V and Below.
IEEE Std (‘57.I2.32TM2002. IEEE Standard for Submersible Equipment—Enclosure Integrity.
IEEE Std C57.l2.7O120O0. IEEE Standard Terminal Markings and Connections for Distribution and Power Transformers.
IEEE Std C57.12.80TM2002, IEEE Standard Terminology for Power and Distribution Transfirmers.
IEEE Std C57.12.90rM2006. IEEE Standard Test Code for Liquid-Immersed Distribution. Power, and Regulating Transformers.
IEEE Std C57.91Tt1995, IEEE Standard Test Code for Dry-Type Distribution and Power Transformers.IEEE C57.12.24 pdf free download.