Operating Procedures
RFD-200 S2™
Table of Content
1.0 INTRODUCTION ...............................................................................................................1
1.1 General Description...........................................................................................................1
1.2 Functional Description ......................................................................................................2
1.3 Furnished Test Accessories ...............................................................................................2
2.0 RFD-200 S2 Specifications ..................................................................................................3
3.0 CONTROLS AND INDICATORS.......................................................................................4
3.1 RFD-200 S2 Auxiliary Power Supply................................................................................6
3.2 RFD-200 S2 Current Source and Voltage Sources.............................................................6
3.3 RFD-200 S2 Control Switches...........................................................................................7
3.4 Timer Start and Timer Stop Inputs ....................................................................................8
3.5 RFD-200 S2 Power Resistors ............................................................................................9
3.6 RFD-200 S2 External Voltage Input..................................................................................9
3.7 RFD-200 S2 External Current Input ..................................................................................9
4.0 RFD-200 S2 Application.................................................................................................... 10
4.1 Setting Voltage or Current source.................................................................................... 10
4.2 Set RFD-200 S2 for a Time Delay Test ........................................................................... 11
4.4 User RFD-200 S2 Timer in the Single Input Mode .......................................................... 13
4.5 Use RFD-200 S2 to Plot a Current Transformer Excitation Curve ................................... 14
4.6 Use RFD-200 S2 to Measure CT primary and Secondary Current ................................... 15
Table of Figures
Figure 1 RFD-200-S2 Front Panel Call Out................................................................................4
Figure 2 RFD-200-S2 Aux Power Supplies ................................................................................6
Figure 3 RFD-200-S2 Current and Voltage Sources ...................................................................6
Figure 4 RFD-200 S2 Control Mode Switches ...........................................................................7
Figure 5 Timer Start and Stop Inputs...........................................................................................8
Figure 6 Power Resistor Array ...................................................................................................9
Figure 7 External Voltage input .................................................................................................9
Figure 8 External Current Input .................................................................................................9
Figure 9 Typical Over Current Relay Connection..................................................................... 11
Figure 10 Typical Circuit Breaker Timing Connection ............................................................. 12
Figure 11 Typical CT Excitation Test Connection.................................................................... 14
Figure 12 Typical CT Turns Ratio Test Connection ................................................................. 15
