Manual
Table Of Contents
- toc
- General Safety Summary
- Compliance Information
- Preface
- Getting Started
- System Configuration
- Options
- Standard Accessories
- Optional Accessories
- Probe Covers
- Travel Case
- Connecting the Amplifier to an Oscilloscope
- Power on the Amplifier
- Connecting a Current Probe to the Amplifier
- Operating the Current Probe Slide
- Degaussing and Autobalancing the Current Probe
- DC Measurements
- AC Measurements
- Control Summary
- Reference Notes
- Specifications
- Glossary
Application Notes
Figure 18: Setup for measuring charging current
The waveform (a) shows the three-phase ripple frequency. (See Figure 19.)
The average charge current is approximately 27 A with a minimum peak of
approximately 23 A and a maximum peak of approximately 31 A. The waveform
shows a continuous cycle with no dropouts, so the alternator circuit appears to be
funct
ioning properly. A single-phase diode failure normally appears as an extreme
drop in charge current every third cycle, waveform (b). (See Figure 19.)
Fi
gure 19: Cha rge current waveforms
34 TCPA300/400 Amplifiers and TCP300/400 Series Current Probes User Manual