IEEE C57.98 1986

$26.54

IEEE Guide for Transformer Impulse Tests

Published By	Publication Date	Number of Pages
IEEE	1986	42

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Description

New IEEE Standard – Inactive – Superseded. Transformer connections, test methods, circuit configurations, and failure analysis of lightning impulse and switching impulse testing of power transformers are addressed. This guide is also generally applicable to distribution and instrument transformers.

PDF Catalog

PDF Pages	PDF Title
11	Impulse Testing Techniques 1.1 General 1.2 References
12	Impulse Wave Shapes Impulse Wave Shapes
13	Impulse Test Circuit Impulse Circuit
14	Impulse Waves from Simple Circuits
15	Measurement of Impulse Voltages
16	Impulse Circuit and Transformer Cathode-Ray Oscillograph Deflection Plates
17	Measurement of Front-of-Full Wave Measurement of Front-of.Wave Test Values Gap Settings and Minimum and Maximum Times to Flashover
18	Grounding Practices
19	A Grounding Method Preferred Grounding Method
20	Grounding with Grounded Generator
21	Failure Detection Grounding with Line Current Method
22	Connection of Nonimpulsed Terminals Impulse Generator Size
23	Nonlinear Devices
24	Interpretation of Impulse Tests 10.1 General Requirements 10.2 Criteria for Satisfactory Traces 10.3 Applied Voltage Traces
26	Ground Current Traces
28	11.1 Dry-Type Transformers Current Waves
29	11.2 Potential and Current Transformers Full Wave Neutral Current in High Inductance Windings Fault Indicated by Inductive Component of the Neutral Current
30	Examples of Impulse Waveforms (a) Resistance Shunt (b) Capacitance Shunt (a) Voltages (b) Currents
31	(a) Voltages (b) Currents (a) Voltages (High Voltage Phase 1) (b) Currents (Neutral) Currents (Resistance)
32	(a) Voltages (b) Currents Currents (a) Voltages (b) Currents
33	(a) Voltages (b) Currents (a) Voltages (b) Currents (a) Voltages (b) Currents
34	Currents Front-of.Wave (a) Voltages (b) Currents
35	(a) Voltages (b) Currents (a) Voltages (b) Currents (a) Voltages (b) Currents
36	Methods of Presenting Test Results (a) Voltages (b) Currents (a) Voltages (b) Currents
37	Transformer Impulse Tests Report
38	Bibliography