发电机系统PPT_6512 Generator systems.ppt

ET8000 Vestas Wind Systems A/S GB903-003-V90-WTG installation Rotor and stator Standard generator VRCC VCS Vestas generator systems Phase compensation Phase compensation Function Capacitor test Troubleshooting Safety Thyristors Cut-in Troubleshooting Generator systems What is VRCC Generator systems What is VCS Frequency converter function Generator systems Generator Stator Stator Rotor Rotor Rotor Troubleshooting stator Troubleshooting rotor Generator windings Purpose: Drawing of the coils and connections in the motor/ generator Star connection Purpose: Drawing of the connection in the rotor Troubleshooting U1 U2 V1 V2 W1 W2 L1 L3 L2 Delta connection U1 U2 V1 V2 W1 W2 L1 L3 L2 Star connection Troubleshooting Troubleshooting Standard rotor Troubleshooting VRCC / VCS Rotor Sliprings VRCC / VCS U1 U2 V1 V2 W1 W2 Motor tester Megger VRCC / VCS Rotor Slip rings Motor tester Megger Troubleshooting VRCC / VCS Winding with shorted coil Winding grounded at edge of slot Winding shorted phase to phase Troubleshooting The End Purpose: Fill in the purpose of the sub-module. References: Place any references to other documents here. Notes: Place any notes here. Purpose: Fill in the purpose of the subject. Notes: Place any notes here. Purpose: Fill in the purpose of the subject. Notes: Place any notes here. Purpose: Animation of generator cut in with thyristors Notes: 1 Click: Speed up of generator 2 Click:The thyristor starts trigging the sine curve 3 click: Bypass of the thyristors by main contactor. Generator on line. Purpose: Explain the reason and basic function of the thyristor Notes: Purpose: Explain the how current behavour through the components, Resistans, Coil and a capacitor Notes: Place any notes here. Purpose: Focus on the coil. The generator is a coil. Notes: 1 click: Generator appear 2.click: Capacitor appear. Purpose: Cut in of the four capacitor steps 1-4 Notes: 1 click: Generator on 2.Click: Step one on 3.Click: Step two on 4.Click: Step three on 5.Click: