CCS Classification Society Transformer
Scope of Application
The single-phase CDD series marine lighting control and power transformers (hereinafter referred to as “transformers”), under normal usage conditions, are installed on ships, offshore platforms, and other places for lighting, power communication, or grid isolation applications. This series of transformers is suitable for voltage levels not exceeding 690V, with frequencies of 50Hz and 60Hz, with single-phase capacities ranging from 0.05-10kVA. The transformer core is of a core-type structure, made of high-quality cold-rolled silicon steel sheet, which can firmly fix the windings and minimize vibration under usage conditions. The coil is wound with high-quality high-insulation enameled wire or silk-covered wire. The insulation class is B, F, H.
The C(P)SCD series marine three-phase transformer (hereinafter referred to as “transformer”) is used for lighting, power, communication, or grid isolation in ship/offshore platform facilities, and other locations under normal conditions. This series of transformers are dry-type self-cooled drop-proof transformers with a voltage rating of 690V/315V or below, a frequency of 50Hz and 60Hz, and a capacity of 1~2000kVA. The transformer core is of the core-type structure. It is made of high-quality cold-rolled silicon steel sheet, which can firmly fix the winding under vibration and oscillation conditions, and the coil is made of high-quality high-insulation enameled wire or silk-covered wire, with insulation classes of B, F, H. Protection type is divided into drop-proof (IP22, IP23, IP44, etc.).
Product Model Description
(Diagrammatic layout based on the image)
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C = Ship use
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D = Single phase (indicated by “D”); S = Three-phase (indicated by “S”)
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P = Non-marine platform use (No prefix for marine platform use)
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C = Epoxy resin casting (indicated by “C”); E = Non-epoxy casting (indicated by “E” or omitted)
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D = Drop-proof type (indicated by “D”); S = Anti-splash type (indicated by “S”)
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Example: Rated Capacity 10kVA, Drop-proof, Anti-splash type, IP23, IP44, etc.
Product Executive Standard
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China Classification Society “Rules for Classification of Sea-Going Steel Ships” (2023) and its Amendment No. 4, Chapter 3.
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CB/T 4388 Marine Transformer and Transformer CCS Product Inspection Guide E-07 (2019).
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IEC 60076, IEC 60068, IEC 60269, IEC 60529 International Electrical Standards.
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GB 1094.1-2013 Power Transformer Part 1: General.
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GB 1094.3-2003 Power Transformer Part 3: Insulation Level and Dielectric Test.
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GB 1094.5-2008 Power Transformer Part 5: Ability to Withstand Short Circuit.
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GB1094.11-2007 Power Transformer Part 11: Dry-type Transformer.
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GB/T 2423.4-2008 Environmental Testing for Electric and Electronic Products Part 2: Test Method Test Db Damp Heat, Cyclic (12h+12h) Cycle.
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GB 2423.17-2008 Environmental Testing for Electric and Electronic Products Part 2: Test Method Test Ka: Salt Spray.
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GB 2900.1 Electrical Terminology Basic Terminology.
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GB 2900.15 Electrical Terminology Transformer, Voltage Transformer, Reactor and Regulator.
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GB 4208-2017 Enclosure Protection Level (IP Code).
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GB/T 13384-2008 General Technical Requirements for Packaging of Electrical Products.
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GB/T 11804-2013 General Technical Requirements for Marine Electric Equipment.
Normal Working Conditions
a. Ambient temperature: -25 ~ +45℃;
b. Relative humidity: not exceeding 95%;
c. Salt spray, oil mist, salt mist, and mold.
d. Vibrations and shocks generated during normal ship operation.
e. Ship inclination and rolling during operation.
f. Tilt: ≤15°
g. Roll: ≤22.5°
h. Heave: ≤7.5°
i. The power supply voltage waveform is approximately sinusoidal.
j. There is no conductive dust that can damage the metal and insulation materials, no corrosive gases, and no explosion hazard.
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