IEEE C57.18.10 : 1998
IEEE C57.18.10 : 1998
PRACTICES AND REQUIREMENTS FOR SEMICONDUCTOR POWER RECTIFIER TRANSFORMERS
Institute of Electrical & Electronics Engineers
PRACTICES AND REQUIREMENTS FOR SEMICONDUCTOR POWER RECTIFIER TRANSFORMERS
Institute of Electrical & Electronics Engineers
1 Overview
1.1 Scope
1.2 Mandatory requirements
2 References
3 Definitions
4 Symbols
5 Service conditions
5.1 Usual service conditions
5.2 Unusual service conditions
6 Rating data
6.1 Taps of rectifier transformers
6.2 Cooling classes of transformers
6.3 Frequency
6.4 Phase
6.5 Rated kVA
6.6 Compensation on rectifier transformers
6.7 Rated current
6.8 Connections
6.9 Polarity, angular displacement, and lead markings
6.10 Impedance
6.11 Losses
6.12 Temperature rise and insulation system capability
6.13 Nameplates
7 Construction
7.1 Mounting and location
7.2 Tanks
7.3 Methods of coolant preservation
7.4 Grounding
7.5 Connections for shipping
7.6 Accessories
8 Testing and calculations
8.1 Routine tests
8.2 Symbols used in tests
8.3 Resistance measurement
8.4 Dielectric tests
8.5 Excitation losses
8.6 Load losses
8.7 Losses in interphase transformers
8.8 Impedance tests
8.9 Ratio tests
8.10 Temperature rise test
8.11 Short-circuit tests
8.12 Polarity and phase relation
9 Tolerances
9.1 Tolerances for ratio
9.2 Tolerances for impedance
9.3 Tolerances for losses
Annex A (informative) Harmonic loss calculation examples
Annex B (informative) Bibliography
Develops a standard for transformers serving semi-conductor power rectifiers employing monocrystal-line semiconductor diodes or thyristors.
Document Type | Standard |
Status | Current |
Publisher | Institute of Electrical & Electronics Engineers |
Supersedes |
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