BS 3399:1961
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for transformers for use in ships
Hardcopy , PDF
02-08-2013
English
31-07-1961
Cooperating organizations
Foreword
Section One: General
101. Scope
102. Definitions
103. Additional definitions
Section Two: Type of cooling and classification
201. Types of cooling
Section Three: Rating
301. Rated kVA
302. Rated voltage and current
303. Rated frequency
304. Phase factors
305. Rating of additional windings
306. Preferred kVA ratings
307. Regulation
Section Four: Service conditions
401. General
Section Five: Constructional requirements
501. General
Section Six: Tappings
601. General
602. Principal tapping
603. Output at any tapping
Section Seven: Insulating materials
701. General
702. Solids
703. Liquids
Section Eight: Insulation levels
801. General
Section Nine: Temperature rise limits
901. General
Section Ten: Performance under external short-circuit
conditions
1001. General
1002. Series current-limiting reactors
Section Eleven: Assignment of designating letters to
windings and of numbers to winding ends and tappings
1101. Designating letters
1102. Subscript numbers for winding ends and tappings
Section Twelve: Marking of terminals
1201. Terminal and sub-terminal markings for
transformers
1202. Terminal markings for series current-limiting
reactors
Section Thirteen: Position of terminals
1301. General
Section Fourteen: Vector diagrams and symbols
1401. Vector diagrams and symbols
Section Fifteen: Terminal marking plates and rating
plates
1501. Terminal marking plates
1502. Rating plates for transformers
1503. Rating plates for series current-limiting reators
Section Sixteen: Fittings
1601. Provision of fittings
Section Seventeen: Performance tolerances
1701. Efficiency
1702. Performance and tolerances
Section Eighteen: Tests
1801. Conditions for tests
1802. Tests of transformers
1803 Test certificates
1804. Measurement of winding resistance
1805. Ratio measurement, check of polarity and phase
relationship
1806. Measurement of impedance voltage
1807. Measurement of load loss
1808. Measurement of no-load losses and no-load current
1809. Measurement of insulation resistance
1810. Induced overvoltage withstand test
1811. Separate-source voltage withstand test
1812. Test of temperature rise
1813. Series current-limiting reactors
Appendices
A. Information required with enquiry and order
B. Additional fittings for oil-immersed type
transformers
C. Three-phase vector diagrams
D. Connection diagrams
E. Method of declaring efficiency
F. Calculation of inherent regulation
G. Supplementary high-voltage tests
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