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IEEE 995 1988

$34.13

IEEE Recommended Practice for Efficiency Determination of Alternating-Current Adjustable Speed Drives: Part I – Load Commutated Inverter Synchronous Motor Drives

Published By Publication Date Number of Pages
IEEE 1988 32
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New IEEE Standard – Inactive – Withdrawn. This recommended practice proposes a method for determining the efficiency of large, adjustable-speed AC motor-drive systems consisting of a load commutated inverter and a synchronous machine, in which a DC-linked converter is connected between the line and the load. This recommended practice is directed primarily to high-capacity systems (exceeding 1000 hp) and drive systems, which normally include equipments such as transformers, reactors, thyristor power converters, and synchronous machines. The method recommends that the existing test standards for the system equipments be used as reference, supplemented by test and calculations include herein to account for operating characteristics of the adjustable-speed drive systems.

PDF Catalog

PDF Pages PDF Title
7 Scope
Reference
Drive System Configuration
8 Definitions
3.1 Basic Terms
9 Converter Circuit Elements
10 3.2 Performance Characteristics
Waveform Definitions
11 3.3 Letter Symbols
System Description
4.1 Line-Side Interface
12 4.2 Power Converter
4.3 DC Link Inductor
4.4 Synchronous Machine
Transformer Circuits
13 4.5 Service Conditions
Typical Power Converter
14 Efficiency Determination
Efficiency Determination
Reference Temperature for Load Losses
15 Methods for Determination of Losses
System Operating Parameters
Determination of Losses
16 Dual Winding Machine Test
20 Converter DC Circuit
21 Tabulation of Losses
22 Recording of Losses
Determination of Efficiency
23 Appendix A Explanation of Practices and Procedures
31 Appendix B Example Efficiency Determination
Table B1 Tabulation of Losses
32 Table B2 Tabulation of Losses
IEEE 995 1988
$34.13