Testing Methods and Reliability -- Power

Testing Methods and Reliability 1. The Need for Testing 1.1 The purpose of specifications; 1.2 British Standards; 1.3 Tests to verify performance under specified environments; 1.4 Testing of prototypes; 1.5 Pre-production testing; 1.6 Production testing; 1.7 Quality checks 2. Reliability 2.1 The relationship between reliability and cost; 2.2 Designing for reliability; 2.3 Definitions relating to reliability; 2.4 Periods of failure; 2.5 Assessment of the reliability of equipment; 2.6 The probability of failure; 2.7 Failure due to incorrect operation; 2.8 Maintainability and availability 3. Data Presentation, Distributions and Sampling vii 9 23 3.1 Frequency diagram; 3.2 Calculation of the arithmetic average (mean); 3.3 Measurement of scatter; 3.4 Standard deviation; 3.5 The normal distribution; 3.6 Estimation of experimental error; 3.7 Confidence limits; 3.8 Sampling her help and encouragement at all times. Front Matter....Pages i-vii The Need for Testing....Pages 1-8 Reliability....Pages 9-22 Data Presentation, Distributions and Sampling....Pages 23-35 Logarithmic Units....Pages 36-45 Instruments....Pages 46-77 Component Measurements....Pages 78-93 Front Matter....Pages 95-95 Measurement of Power and Energy....Pages 97-114 Measurement of Speed of Rotation and Temperature Rise....Pages 115-123 Tests on Electrical Machines....Pages 124-140 Cathode-ray Oscilloscope and its Applications....Pages 141-152 Measurements and Fault-finding on Valve and Transistor Amplifiers....Pages 153-163 Tests on Wiring Installations and Fault Location in Cables....Pages 164-172 Back Matter....Pages 173-176