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ADL300 Elevator Drives for Synchronous ... - Sprecher + Schuh

ADL300 Elevator Drives for Synchronous ... - Sprecher + Schuh

ADL300 Elevator Drives for Synchronous ... - Sprecher + Schuh

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2.3 Identification of componentsThe inverter converts the constant frequency and voltage of an existing three-phase network into DC voltage, fromwhich it obtains a new three-phase network with variable voltage and frequency. With this variable three-phase networkthe speed of three-phase asynchronous and synchronous motors can be controlled continuously.123457M3861. Mains supply voltage2. Mains choke (see chapter 5.2)3. Three-phase rectifier bridgeConverts AC voltage into DC voltage via a three-phase full wave bridge.4. Intermediate circuitWith pre-load resistor and levelling capacitors DC voltage (Udc) =√2 x mains voltage (Uln)5. IGBT inverter bridgeConverts DC voltage into three-phase AC voltage with variable amplitude and frequency6. Configurable control sectionCards <strong>for</strong> controlling and regulating the closed and open-loop power section. Commands, references and reactionsare connected to these.7. Output voltageThree-phase AC voltage.8. Speed feedback encoder (see section A.3 of the Appendix)10 <strong>ADL300</strong> • Quick installation guide - Specifications and connection

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