Section 8 Transformers - Construction and testing

Clasification Society 2024 - Version 9.40

Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Inland Waterways Ships, July 2022 - Part 6 Control, Electrical and Fire - Chapter 2 Electrical Installations - Section 8 Transformers - Construction and testing

Section 8 Transformers - Construction and testing

8.1 General

8.1.1 Transformers are to be in accordance with an acceptable National or International Standard, due regard being given to the ambient conditions stated in Pt 6, Ch 2, 1.5 Ambient temperatures.

8.2 Construction

8.2.1 Transformers, except those for motor starting, are to be double wound.

8.3 Regulation

8.3.1 The inherent regulation at 0,8 power factor is not to exceed five per cent.

8.3.2 Regulation of the complete system is to comply with Pt 6, Ch 2, 2.20 Current rating 2.20.2.

8.4 Short-circuit

8.4.1 All transformers are to be capable of withstanding, without damage, the thermal and mechanical effects of a short-circuit at the terminals of any winding for two seconds.

8.5 Tests

8.5.1 Transformers for essential services are to be tested by the manufacturers in accordance with the relevant standard and test certificates supplied.

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