Owner's manual

REV 1 RFD-200 S3 USER’S MANUAL
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TABLE OF CONTENTS
CONVENTIONS USED IN THIS DOCUMENT ..................................................................................... 1
1.0 INTRODUCTION .................................................................................................................. .. 2
1.1 General Description and Features ................................................................................... 2
1.2 RFD-200 S3 Technical Specifications ................................................................................ 4
1.3 Controls and Indicators .................................................................................................... 6
2.0 FUNCTIONAL DESCRIPTION ................................................................................................. 7
2.1 RFD-200 S3 Auxiliary Power Supply ................................................................................. 7
2.2 RFD-200 S3 Current and Voltage Sources ........................................................................ 7
2.3 Control Switches .............................................................................................................. 8
2.3.1. Voltage and Current Source Output Controls .......................................................... 8
2.3.2. LCD Contrast Control ................................................................................................ 8
2.4 Timer Start and Timer Stop Inputs ................................................................................... 9
2.5 RFD-200 S3 Power Resistors ............................................................................................ 9
2.6 RFD-200 S3 External Voltage Input ................................................................................ 10
2.7 RFD-200 S3 External Current Input ................................................................................ 10
3.0 OPERATING PROCEDURES ................................................................................................. 11
3.1 Setting the Voltage or Current Source ........................................................................... 11
3.2 Setting the RFD-200 S3 for a Time Delay Test ............................................................... 12
3.3 Using the RFD-200 S3’s Timer to Test Circuit Breaker Response Time ......................... 15
3.4 Using the RFD-200 S3’s Timer in Single Input Mode ..................................................... 17
3.5 Using the RFD-200 S3 to Plot a Current Transformer Excitation Curve ........................ 19
3.6 Using the RFD-200 S3 to Measure CT Primary and Secondary Currents ....................... 21
LIST OF TABLES
Table 1. RFD-200 S3 Technical Specifications ................................................................................. 4
Table 2. RFD-200 S3 Output Specifications .................................................................................... 5
Table 3. RFD-200 S3 Timing Accuracy ............................................................................................. 5
LIST OF FIGURES
Figure 1. RFD-200 S3 Controls and Indicators ................................................................................ 6
Figure 2. Typical Over Current Relay Connection ......................................................................... 14
Figure 3. Typical Circuit Breaker Timing Connection .................................................................... 16
Figure 4. Typical CT Excitation Test Connection ........................................................................... 20
Figure 5. Typical CT Turns Ratio Test Connection ......................................................................... 23