ABB ACS800 multidrive 培训讲义（中）.pptVIP

ACS800 multidriveintroduction Connectivity Maximum I/O configuration with multi block Redundancy Built-in redundancy through parallel connected modules Each module is a complete three-phase inverter Enables running with partial load if one module fails Provides for higher drive availability and greater process uptime Unique in drives - not available in previous generation ABB drives ACS800 R8i parallel connection concept New PPCS Branching Unit APBU-44 Includes parallel connection support for 2…12 inverter modules. Basic board supports 1…4 inverter and with APEB-84C option board up to 12. APBU-44 includes fast data logger. Data can be uploaded via PPCS link to be analysed. This function can be used to find faulty component in the main circuit. ACS800 Parallel connected modules Other new and modified diagnostics messages  (X = inverter number 1…12) (Y = phase: U, V, W)- CUR UNBAL x Current unbalance - OVERCURR x Over current - SC INV x y Short circuit- TEMPD INV x Temperature difference between the inverter modules with alarm / fault- INV DISABLED DC supply for inverter module has been opened- ACS TEMP x y Inverter module over temperature Reduced Run Function If inverter module is broken: 1. Power off! 2. Isolate broken inverter module from the main circuit 3. Power on! 4. Drive diagnostics indicates that configuration is not original by indicating INT CONFIG fault 5. If user wants to continue run with limited current, number of existing inverter modules must be typed to parameter INT CONFIG USER 6. Reset the fault - PPCS link is reconfigured automatically - maximum current is limited in relation of actual  inverter configuration and inverter nominal current 7. Start the drive! Assembly of the R8i module Assembly of the R8i module Assembly of the R8i module Assembly of the R8i module Assembly of the R8i module Assembly of the R8i module List of options for Drive units