IEEE 390-1987

$94.25

IEEE Standard for Pulse Transformers

Published By	Publication Date	Number of Pages
IEEE	1987

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Description

New IEEE Standard – Inactive-Reserved. Pulse transformers for use in electronic equipment are considered. This standard applies to the following transformer types: power output (drivers), impedance matching, interstage coupling, current sensing, and blocking-oscillator transformers. For these transformers, the peak power transmitted ranges from a few milliwatts to many kilowatts, and the peak voltage transmitted ranges from a few volts to many kilovolts. Symbols, performance tests, equivalent circuits, preferred test methods, marking, and service conditions are covered.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction Participants
5	CONTENTS
7	1. Scope and References 1.1 Scope 1.2 References
8	1.3 Typical Transformer Types to which this Standard Applies 1.4 Related Transformer Standards 2. Definitions
11	3. Symbols 3.1 Pulse Transformer Schematics 3.2 Input Pulse—Source Voltage Pulse Applied Through Associated Impedance or Source Current Pulse
12	3.3 Output Pulse—Transformed Voltage Pulse or Load Current Pulse 3.4 Source and Load Impedance 3.5 Transformer Parameters
13	4. Performance Tests 4.1 Electric Strength
14	4.2 Induced Voltage Electric Strength 4.3 Direct-Current Insulation Resistance
15	4.4 Ratio of Transformatoin (Turns Ratio) 4.5 Polarity 4.6 Direct-Current Resistance of Windings Referred to 25 °C 4.7 Short-Circuit Impedance (Leakage Inductance)
16	4.8 Open-Circuit Parameters (Magnetizing Pulse Inductance and Exciting Current) 4.9 Open-Circuit Admittance (Distributed Capacitance)
17	4.10 Voltage-Time Product Rating 4.11 Direct Capacitance Between Windings 4.12 Balance 4.13 Functional Test
19	4.14 Corona (Partial Discharge) Tests 4.15 Temperature Rise Test 5. Equivalent Circuits 5.1 Complete Equivalent Circuit for a Pulse Transformer
21	5.2 Partial Equivalent Circuits for a Pulse Transformer
26	5.3 Pulse Transformer Tests to Determine Equivalent Circuit Elements
27	5.4 Pulse Response Parameters Under Load 6. Preferred Test Methods 6.1 Ratio of Transformation (Turns Ratio) Test Method
28	6.2 Short-Circuit Impedance (Leakage Inductance) Test Method
29	6.3 Open-Circuit Admittance (Distributed Capacitance) Test Methods 6.4 Open-Circuit (Magnetizing Pulse Inductance and Exciting Current) Test Method. Recommended Method: Rectangular Voltage …
32	6.5 Voltage-Time Product Test Method. Recommended Methods: Rectangular Voltage Pulse Applied from Low-Impedance Source and ..
33	6.6 Three Recommended Balance Test Methods
34	6.7 Temperature Rise Test
36	6.8 Corona (Partial Discharge) Test 7. Marking
37	8. Service Conditions 9. Bibliography
38	Annex A—Alternate Test Methods