Siemens SINAMICS PERFECT HARMONY GH180 GEN3, 6SR3, GEN4, 6SR4, 6SR5
Siemens SINAMICS PERFECT HARMONY GH180 GEN3, 6SR3, GEN4, 6SR4, 6SR5
Siemens SINAMICS PERFECT HARMONY GH180 GEN3, 6SR3, GEN4, 6SR4, 6SR5
Siemens Medium Voltage Drives
Drives for every demand
Discover why no other drive portfolio can match the flexibility and performance of our SINAMICS medium voltage drives. With systems in motor voltage classes from 1.4 kV to 13.8 kV, and power ratings from 150 kW to 85 MW, Siemens drives are built to provide the reliability, longevity and quality that modern applications demand – because in today’s competitive market, downtime is not an option. Due to complex project requirements, it is always recommended that users contact their local Siemens representative for more advanced assistance in selecting the correct drive for the application.
The SINAMICS PERFECT HARMONY GH180
The most proven MV drive on the market today with a cell-based design perfect for meeting high efficiency and availability application requirements. The SINAMICS PERFECT HARMONY GH180 is a series of cells linked together to create the medium voltage power output of the drive system. The design features an integrated transformer and the ability to scale the drive for a wide range of voltage and output power. The drive offers increased availability due to its modular design and ability to bypass any one cell during operation. The quality of the output voltage is so close to perfect sine-wave shape that motors of literally any type – old or new, low-speed or high-speed – can be operated without any additional stress.
The most proven MV drive on the market today with a cell-based design perfect for meeting high efficiency and availability application requirements.
The SINAMICS PERFECT HARMONY GH180 is a series of low voltage cells linked together to create the medium voltage power output of the drive system. The design features an integrated transformer and the ability to scale the drive for a wide range of voltage and output power. The drive offers increased availability due to its modular design and ability to bypass any one cell during operation. The quality of the output voltage is so close to perfect sine-wave shape that motors of literally any type – old or new, low-speed or high-speed – can be operated without any additional stress.
Extremely motor friendly as a result of an almost sinusoidal output wave form
Higher reliability due to the drives’ cell bypass capabilities which keeps the drive and your application running even in the event of a cell failure.
Higher availability due to the drives’ cell redundancy and cell bypass features.
Maintenance and process friendly due to faulted cells being replaceable at your next available maintenance period.
Very small footprint with an integrated air or water cooled transformer.
Able to support long cable applications in excess of several kilometres.
Brief overview
| Output voltage range: | 2.3 to 11 kV |
| Power range: | Power Range: 0.18 to 24.4 MVA (0.2 HP to 28000 HP) |
| Cooling: | Air-cooled drives up to 10 MW Water-cooled drives up to 20 MW |
| Max. output frequency: | 330 Hz standard |
| Open / closed loop control | – sensorless vector control (optionally with sensor) – communication with all current BUS systems – automatic motor identification – automatic start-up |
| Degree of protection: | IP21 or higher, air cooling; IP31 (excluding blower cage) IP43 or IP54 water cooling |
| Rules and standards: | ANSI, NEMA, UL, CSA, CE |
Siemens drops Robicon name from its MV drives
10 JANUARY, 2014
Siemens Drive Technologies is renaming its Robicon range of medium-voltage (MV) drives, which, it claims, are the global market-leader, with more than 10,000 sold since their launch in 2004. In future, the MV drives will be marketed under the Sinamics brand that Siemens already uses for its other drives ranges, and will be known as Sinamics Perfect Harmony.
Siemens acquired the Robicon brand when it rescued the former Robicon Corporation from bankruptcy in 2005. It paid around $197.5m for US-headquartered Robicon’s assets, which included the stock at its subsidiaries in the UK (the former Hill Graham Controls), China, Brazil and Canada. Robicon’s former parent, High Voltage Engineering (HVE), had been suffering from financial problems for several years and filed for bankruptcy in February 2005.
Since acquiring Robicon’s assets, Siemens has invested in the business, including spending $7.2m to expand its production facilities in New Kensington, Pennsylvania, in 2006. It says that the addition of the Perfect Harmony drives to the Sinamics portfolio shows its commitment to the technology.
Siemens calculates that the Robicon products now have an installed base capacity of 2.2GW. The drives are produced in both air-cooled versions (up to 6.7MW) and liquid-cooled models (up to 14.2MW).
Siemens says its is committed to the future of the former Robicon MV drives
The modular drives incorporate more than 50 patented technologies. For enhanced reliability, they use a cell-based design that allows cells to be bypassed during operation, while maintaining the full output voltage. Siemens claims that the drives’ MTBF is 200,000 hours.
The drives incorporate transformers with phase-shifted secondaries that provide 18-pulse or higher harmonic cancellation, with a power factor above 0.95 under all operating conditions. This eliminates the need for input harmonic filters or power factor compensation, while avoiding common-mode voltages being imposed on the motor.
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