User manual for 74505, Manual synchronisation unit
Contents
1. PHYSICS SSS Te eile BIOLOGY LD DIDACTIC 05 12 W2010 Wei Instruction sheet 745 05 Manual Synchronization Unit Line mains input L1 L2 L3 and N Generator mains input L 1 L 2 L 3 Synchronization lamps Synchronization switch 0 OFF 1 ON Unit s main switch Mains voltage and frequency display U and f Generators voltage and frequency display Us and fo Zero Volt indicator AU Synchronoscope SOM VDBOHNHOoWOHO Indicators for the directions of the rotating fields Use only under dry conditions and with safety leads For measurements use an isolated measurement amplifier 1 Description Manual synchronization unit to synchronize a generated 3 phase voltage to the mains regarding the following conditions 3 Technical data The field s rotation direction U 3x400V max 7 Voltage amplitudes U max 3 X 400 V Frequencies a oe ue max 7 Voltage difference Zero Volt Indication Phase shift conditions 2 Safety Note This device is designed according to protection class and eT el ole Ue el eos a corresponds to the safety directives as set forth in EN 61010 connected together Safety is not ensured if the device is operated improperly or handled without care e This device may only be operated in the upright position in the panel frame provided for its operation cooling e lf you assume that safe operation is no longer possible e g in the case of visible damage the2. n the device must be switched off immediately and secured to prevent it from being accidentally put back into operation e Do not apply any voltage higher than the rated Instruction sheet 4 Sample experiment Set up Page 2 2 Preparation e Connect the synchronization unit s inputs to the mains e g using 726 75 and the generator e g 733 07 to the inputs e Connect the neutral of the mains the generator and the synchronization unit e Apply the DC excitation voltage of 745 021 to the synchronous machine s inputs F1 and F2 e Connect the LEDs for lamp synchronization using the dark circuit as shown above blue red and green coloured leads in the above figure Note Make sure the Synchronization unit s switch is set to 0 OFF Experiment Turn on all devices start the drive 732 689USB by pressing the red push button M 0 Then increase the speed using the black centre control knob up to 1500 rpm 50 Hz or 1800 rpm 60 Hz Now increase the generators excitation voltage Vexo slowly using the black push buttons on the excitation voltage controller 745 021 while observing the U voltage display until the value matches the value of U app Vex 40 V Check the direction of the rotating fields both directions must be cw or ccw both LEDs green or red Observe the LED ring synchronoscope as soon as the upper most green LED lights up synchronize the generator to the main
3. s by switching the switch from 0 to 1 position Finally press the black MODE button of 732 689 twice to select TORQUE CONTROL LD DIDACTIC GMBH Leyboldstrasse 1 D 50354 H rth Phone 02233 604 0 Fax 02233 604 222 e mail info leybold didactic de by LD Didactic GmbH Printed in the Federal Republic of Germany Technical alterations reserved
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