IEC/IEEE 60076-16-2018 pdf free download
IEC/IEEE 60076-16-2018 pdf free download.Power transformers – Part 16: Transformers for wind turbine applications.
This part of IEC 60076 applies to dry-type and liquid-immersed transformers for wind turbine step-up applications having a winding with highest voltage for equipment up to and including 72.5 kV. This document applies to the transformer used to connect the wind turbine generator to the wind farm power collection system or adjacent distribution network and not the transformer used to connect several wind turbines to a distribution or transmission network.
Transformers covered by this document comply with the relevant requirements prescribed in the IEC 60076 standards or IEEE C57 standards.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies
2.1 IEC references
IEC 60076-1. Power transformers — Part 1: General
IEC 60076-2. Power transformers — Part 2: Temperature rise for liquid-immersed transformers
IEC 60076-3. Power transformers — Part 3: Insulation levels, dielectric tests and external clearances in air
IEC 60076-5. Power transformers — Part 5: Ability to withstand short circuit
IEC 60076-7, Power transformers — Part 7: Loading guide for mineral-oil-immersed power transformers
IEC 60076-11, Power transformers — Part 11: Dry-type transformers
IEC 60076-12, Power transformers — Part 12: Loading guide for dry-type power transformers
IEC 60076-14. Power transformers — Part 14: Liquid-immersed power transformers using high-temperature insulating materials
IEC 61378-1, Converter transformers — Part 1: Transformers for industrial applications
2.2 IEEE references
IEEE Std C57.1 2.00 • IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
2.3 ISO references
ISO 12944 (all parts), Paints and varnishes — Corrosion protection of steel structures by protective paint systems
ISO 12944-4, Paints and varnishes — Corrosion protection of steel structures by protective paint systems — Part 4: Types of surface and surface preparation
2.4 CENELEC references
EN 50588-1 :20 15, Medium power transformers 50 Hz, with highest voltage for equipment not
exceeding 36 kV — Part 1: General requirements
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
4 Use of normative references
This standard can be used with either the IEC or IEEE normative references but the references shall not be mixed. The purchaser shall include in the enquiry and order which normative references are to be used. If the choice of normative references is not specified, then IEC standards shall be used except for wind turbine transformers intended for installation in North America where IEEE standards shall be used.
5 Rating
The transformer rating specified by the purchaser shall take into account the maximum current delivered to the transformer by the associated wind turbine generator system irrespective of the operating voltage and power factor.
6 Service conditions
6.1 Normal service conditions
6.1.1 General
The normal service conditions detailed in IEC 60076-1 or IEEE Std C57.12.00 for liquid-immersed transformers or the normal service conditions in IEC 60076-11 or IEEE Std C57.12.01 for dry-type transformers shall apply unless otherwise stated in this document or specified by the purchaser.
6.1.2 Temperature of external cooling medium
If the transformer is installed external to the tower or nacelle, the normal conditions specified in IEC 60076-1 or IEEE Std C57.12.00 for liquid-immersed transformers and IEC 60076-11 or IEEE Std C57.12.01 for dry-type transformers shall apply, unless otherwise specified. If the transformer is installed within the tower or nacelle then particular conditions apply as shown in 6.2.IEC/IEEE 60076-16 pdf free download.
