Load Sharing Module - Home Mega Global Solution
Load Sharing Module - Home Mega Global Solution Load Sharing Module - Home Mega Global Solution
Load Sharing Module Manual 26011The procedure for correcting phase wiring requires that the generator set be shutdown and the current transformers disconnected many times. For convenienceduring the phasing check, the temporary method of connecting the currenttransformers shown in Figure 4-1 is recommended. By connecting a burdenresistor (a 0.5 , 20 W resistor), across each current transformer, that currenttransformer can be disconnected from the Load Sharing Module after removing allload. The connections between the terminal strip and the Load Sharing Modulecan be changed with the generator set running; however, remove all load beforeany changes in connections are made. Do not disconnect a wire from a currenttransformer with load on the system. After completion of the procedure removethe terminal strip and the resistors.Figure 4-1. Temporary CT Connections!WARNINGA high voltage across open CTs (current transformers) can causedeath or serious injury. Do not disconnect a CT from the LoadSharing Module while the engine is running. The CTs can developdangerously high voltages and may explode if open circuited whilethe engine is running.For this procedure, the generator set must be running isochronously, notparalleled, and with a power factor greater than 0.8.1. Start with the generator shut down.2. Label each CT wire with the phase and polarity that you think it should be.Even though this identification may prove to be wrong during this procedure,this step is necessary so that the individual wires may be identified during thedescription of the procedure.3. Disconnect the phase “B” CT wires from terminals 6 and 7 and connect thesetwo wires together. Use a small screw and nut and tape the connection.16 Woodward
Manual 26011Load Sharing Module4. Disconnect the phase “C” CT wires from terminals 8 and 9 and connect thesetwo wires together. Use a small screw and nut and tape the connection.5. Connect the two wires from the phase “A” CT to phase “A” input terminals 4and 5.!WARNINGTO PROTECT AGAINST POSSIBLE PERSONAL INJURY, LOSS OFLIFE, and/or PROPERTY DAMAGE EACH TIME you START the engine,turbine, or other type of prime mover, BE PREPARED TO MAKE ANEMERGENCY SHUTDOWN to protect against runaway or overspeedshould the mechanical-hydraulic governor(s), or electric control(s),the actuator(s), fuel control(s), the driving mechanism(s), thelinkage(s), or the control devices fail.6. Start the engine and apply full load.7. Measure the load signal voltage between terminals 22 and 23 and record thisvoltage.8. Shut the generator set down and reverse the phase “A” wires on terminals 4and 5.9. Start the engine and apply full load.10. Measure the load signal voltage between terminals 22 and 23 and record thisvoltage.11. Shut the generator set down.12. Remove the phase “A” CT wires from terminal 4 and 5 and connect the phase“A” CT wires to the phase “B” input terminals 6 and 7.13. Start the engine and apply full load.14. Measure the load signal voltage between terminals 22 and 23 and record thisvoltage.15. Shut the generator set down and reverse the phase “A” CT wires on terminals6 and 7.16. Start the engine and apply full load.17. Measure the load signal voltage between terminals 22 and 23 and record thisvoltage.18. Shut down the generator set.19. Remove the phase “A” CT wires from terminal 6 and 7 and connect the phase“A” CT wires to the phase “C” input terminals 8 and 9.Woodward 17
- Page 1 and 2: 26011LoadSharingModuleAnalog Output
- Page 5 and 6: Manual 26011Chapter 1General Inform
- Page 7 and 8: Manual 26011Load Sharing ModuleFigu
- Page 9 and 10: Manual 26011Load Sharing ModuleChap
- Page 11 and 12: Manual 26011Chapter 3InstallationLo
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- Page 17 and 18: Manual 26011Chapter 4Setup and Cali
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- Page 25 and 26: Manual 26011Load Sharing ModuleFigu
- Page 27 and 28: Manual 26011Chapter 5Theory of Oper
- Page 29 and 30: Manual 26011Chapter 6Troubleshootin
- Page 31 and 32: Manual 26011Chapter 7Service Option
- Page 33 and 34: Manual 26011Packing a ControlLoad S
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- Page 39 and 40: Manual 26011AppendixLSM Control Spe
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<strong>Load</strong> <strong>Sharing</strong> <strong>Module</strong> Manual 26011The procedure for correcting phase wiring requires that the generator set be shutdown and the current transformers disconnected many times. For convenienceduring the phasing check, the temporary method of connecting the currenttransformers shown in Figure 4-1 is recommended. By connecting a burdenresistor (a 0.5 , 20 W resistor), across each current transformer, that currenttransformer can be disconnected from the <strong>Load</strong> <strong>Sharing</strong> <strong>Module</strong> after removing allload. The connections between the terminal strip and the <strong>Load</strong> <strong>Sharing</strong> <strong>Module</strong>can be changed with the generator set running; however, remove all load beforeany changes in connections are made. Do not disconnect a wire from a currenttransformer with load on the system. After completion of the procedure removethe terminal strip and the resistors.Figure 4-1. Temporary CT Connections!WARNINGA high voltage across open CTs (current transformers) can causedeath or serious injury. Do not disconnect a CT from the <strong>Load</strong><strong>Sharing</strong> <strong>Module</strong> while the engine is running. The CTs can developdangerously high voltages and may explode if open circuited whilethe engine is running.For this procedure, the generator set must be running isochronously, notparalleled, and with a power factor greater than 0.8.1. Start with the generator shut down.2. Label each CT wire with the phase and polarity that you think it should be.Even though this identification may prove to be wrong during this procedure,this step is necessary so that the individual wires may be identified during thedescription of the procedure.3. Disconnect the phase “B” CT wires from terminals 6 and 7 and connect thesetwo wires together. Use a small screw and nut and tape the connection.16 Woodward
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