GFL3836 User Manual
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1. ABOUT GFL3836 .............................................................................5
1.1 GFL3836 Brief Information? .............................................................5
1.2 GFL3836 Main Functions .................................................................5
1.2.1 Ground Fault Location..............................................................5
1.2.2 Frequency Spectrum Analysis .......................................................5
1.2.3 Oscilloscope ......................................................................5
1.3 Features...............................................................................5
1.4 Typical Application ....................................................................6
1.5 Technical Specification ................................................................6
1.6 Composition of GFL3836 .................................................................6
1.6.1 Packing List.......................................................................6
1.6.2 GFL3836 Main Body ...............................................................7
1.6.3 Signal Receiver....................................................................8
1.7 Basic Concepts .........................................................................9
1.7.1 About Faulty Grounding...........................................................9
1.7.2 Wire Mix-connection .............................................................10
1.7.3 Short circuit.....................................................................11
1.7.4 Current leakage..................................................................11
1.7.5 Tracing of Current Signal.........................................................11
2. MAIN OPERATION OF GFL3836 ..............................................................11
2.1 General Steps for Fault Location ......................................................11
2.2 Operation Preparation .................................................................12
2.3 Wire connection with DC System ........................................................12
2.4 Set Generator Output Signal ...........................................................13
2.4.1 Measurement of Circuit ............................................................13
2.4.2 Output Signal Adjustment ..........................................................14
2.4.3 Output Signal to Circuit for Fault Location ............................................15
2.4.4 Return Circuit for Fault Location.....................................................16
2.5 Signal Tracing with Signal Receiver ...................................................16
2.5.1 Frequency Synchronization ........................................................16
2.5.2 Set Signal Reference..............................................................17
2.5.3 How to Locate Ground Fault?.......................................................20
2.6 Some Tips for Ground Fault Location ...................................................21
2.6.1 Multiple Setting of Signal Reference .................................................21
2.6.2 Gross searching ..................................................................23
2.6.3 Use more than one signal receiver ..................................................23
2.7 Signal Changes in Earth Fault Circuit .................................................23
2.8 Location for Other Ways of Fault ......................................................24
2.8.1 Wire Mix-connection...............................................................24
2.8.2 Short-circuit Fault Location .........................................................25
2.9 About Distributed Capacitance .........................................................25
3. OTHER SETTINGS OF GENERATOR AND RECEIVER...........................................26
3.1 Signal Generator Setting ..............................................................26
