ABBACS 6000Medium voltage AC drives for control of 3 – 27 MW motors up to 3.3 kV

Common DC bus The ACS 6000 modularity is based on the common DC bus converter principle, where several motors (synchronous and induction) can be connected to the same DC bus. With five sizes of inverter modules available (3, 5, 7, 9 and 11 MVA), the optimum configuration for a specific application can be reached by combining the modules with minimum engineering effort. By linking the modules in parallel, the power can be increased to 27 MVA. Multidrive topologies with a common DC bus offer a solution with optimum efficiency. Energy regenerated from one section in braking mode can be directly used by another section via the DC bus without power consumption from the supply network. ACS 6000 modules Active Rectifier Unit (ARU) , Inverter Unit (INU) The Active Rectifier Unit (ARU) rectifies the AC line voltage and charges the DC link capacitors whereas the Inverter Unit (INU) inverts the DC voltage to the AC motor voltage. The layout and equipment of the INU and the ARU are identical. They are self-commutated, 6-pulse, 3-level voltage source inverters, incorporating IGCT technology for a reliable, fuseless operation with a minimum number of drive components. The ARU allows four-quadrant operation for regenerative braking, which reduces the overall energy consumption. It controls the power factor to unity in the whole operating range even at very low speeds. Optionally the ARU can be dimensioned to compensate reactive power generated by other loads connected to the same network.

ACS 6000 for induction or synchronous motors ACS 6000 for induction motors Squirrel cage induction motors are the workhorses of the industry due to their versatility, reliability and simplicity. ABB’s broad range of medium voltage AC induction motors includes ribbed cast iron fan cooled motors and modular type welded frame motors. The ACS 6000 is typically used with induction motors for applications such as pumps, fans, compressors, conveyors, hoists, mills, crushers and propulsion systems.

ACS 6000 for synchronous motors Synchronous motors are typically considered for higher power ratings (e.g. above 8 MW to more than 100 MW). In addition to their high power capabilities, synchronous motors offer a wide field weakening range as well as the benefits of high efficiency and high performance. The ACS 6000 synchronous drive is ideal for applications which require dynamic response and high torque, such as rolling mills and mine hoists and for high power applications, such as marine propulsion drives. For special applications (e.g. low speed pumps) the ACS 6000 can be used with permanent magnet motors.

System integration The ACS 6000 can either be installed to control just one motor, or to control several motors with comprehensive control features, minimizing overall installation and operational costs. The drive can be supplied by one or several transformers depending on power and harmonics requirements. Even a transformerless solution is available for certain applications. The ACS 6000 medium voltage drive with its modular concept allows optimum integration into the customer’s industrial environment.

• Low network harmonics • High power factor in the whole operating range • Optional reactive power (VAr) compensation • Small footprint • Fast commissioning • EMC compliant

Smooth integration into existing systems Commissioning The ACS 6000 is easy to commission. In its multidrive configuration, the ACS 6000 is much faster to commission than the equivalent number of single drives.

Control system ABB offers an open communication strategy enabling connection to a PLC (Programmable Logic Controller) or a DCS (Distributed Control System). Fieldbus connectivity with a wide variety of protocols is available. The ACS 6000 product family platform offers the possibility to monitor the transformers as well as the motors with the drive’s control system.

Applicable standards The ACS 6000 meets the IEEE 519-1992 and IEC 61000-2-4 specifications for voltage and current harmonic distortion for virtually all installations. This eliminates the need for expensive harmonic filters and protects other electrical equipment from harmonic disturbances. The ACS 6000 meets EN (IEC), CE, UL* , cUL* and other standards to ensure smooth system integration worldwide. * on request

The ACS 6000 allows smooth and simple system integration into the customer’s industrial environment.

Open control system ABB offers an open communication strategy, enabling connection to higher-level process controllers. The ACS 6000 can be installed with all major fieldbus adapters for smooth integration, monitoring and controlling of different processes, according to customer requirements. IndustrialIT ABB’s IndustrialIT means increased standardization and seamless interaction of different ABB products. The ACS 6000 bears the IndustrialIT Enabled symbol, a special mark indicating that the drive can be easily integrated into the IndustrialIT architecture in a ‘plug & produce’ manner.