IEEE 428 1981

$21.13

IEEE Standard Definitions and Requirements for Thyristor AC Power Controllers

Published By	Publication Date	Number of Pages
IEEE	1981	28

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Description

New IEEE Standard – Inactive – Withdrawn. These recommendations apply to thyristor ac power controllers that are low voltage, power elctronic, industrial class equipment for the control or switching of ac power. Switching, multicycle control and phase control are included. Cycloconverters are excluded. Examples of application include, but are not limited to, industrial oven controls, static motor starters, static relays, etc.

PDF Catalog

PDF Pages	PDF Title
9	1 Scope 2 References 3 Definitions 3.1 BasicTerms
10	3.2 Controller Characteristics Fig1 Linevoltage
11	Fig 2 Waveform of AC Power Controller Current
12	Operation Modes
13	Fig 3 Typical Examples of Operation Modes
14	3.3 CircuitProperties 3.4 CircuitComponents
15	3.5 Auxiliary
16	3.6 Controller Ratings
17	3.7 Controller Protection 3.8 Semiconductor Characteristics
18	Fig 4 Suppression Characteristic Fig 5 Latching and Holding Current
19	4 ClassificationCode Basic Control Elements 4.2 Controller Connections 4.3 Loadconnections 5 Serviceconditions
20	Normal Service Conditions Fig 6 Limited Values of Each Non-Line Frequency Component of the Line Voltage Fig 7 Periodic Deviations of the Line Voltage
21	Special Service Conditions Fig 8 Maximum Expected Overvoltage Versus Duration of Transient
22	6 Duty Classes 6.1 Classification Basis of Rated Current Values Table 2 Standard Duty Classes
23	6.3 Determination of Requirements for Rated Current Values Table 3 Examples of Load Cycles as Guidance for Choice of Duty Class
24	7 Test 7.1 General 7.2 Test Specifications
25	Table 4 AC Power Controller Test Program Categories
26	Appendix A Examples for Using the Classification Code Bidirectional Control Single Phase Bidirectional Control Three Phase Bidirectional Control Three Phase Two-Line Control Unidirectional Control Reverse Conducting Three Phase
27	Three Phase Polygon Connection Bidirectional Control Three Phase Tie Control
28	Fig A10 Unidirectional Control Reverse Conducting Three Phase