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MEDIUM VOLTAGE DRIVES
ROBICON Perfect Harmony
      ROBICON Perfect Harmony
The Perfect Harmony of Performance, Process and Technology
        SINAMICS GM150
In the ROBICON Perfect Harmony, a series of low voltage cells are linked together to build the medium voltage power output of the drive system. With this topology, the drive can be scaled precisely for a very wide range of voltage and output power. Additionally, the ROBICON Perfect Harmony offers increased availability because of its modular design and ability to bypass any one cell during operation while maintaining the full output voltage.
        SINAMICS SM150
        SINAMICS GL150
   
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Furthermore, the integral transformer with phase-shifted secondaries provides 18-pulse or better input harmonic cancellation with a power factor above .95 under any operating conditions. This eliminates the need for input harmonic filters or power factor compensation, while completely avoiding any common-mode voltages from being imposed on the motor.    
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. Issues related to dV/dt, overheating and increased torsion vibrations are a thing of the past.    
     
ROBICON Perfect Harmony - Customer benefits  
          Very small footprint
          No output transformer required – motor voltage 2.3 to 13.8 kV can be provided directly
          No harmonic line filters or power factor compensation required
          Engineered to continue operating through component failures that would completely disable conventional drives. The patented cell-based configuration maximizes availability, letting the customer determine the right time to perform maintenance, while the modular design reduces system repair time to minutes.
          The cell bypass option ensures automatic bypass of a failed power cell in typically 450 milliseconds or less (less than 1/2 of a second) through a redundant bypass control that is completely separated from each power cell
          The optional process-tolerant protection system (ProToPS®) in combination with cell bypass supports the high reliability and availability of the Robicon Perfect Harmony. Instead of tripping the drive and automatically shutting down the system due to a malfunction, ProToPS provides a  hierarchical system of warnings. This control strategy allows time to evaluate the situation and  respond appropriately to avoid a system shutdown.
          No common mode motor insulation stress – the Robicon Perfect Harmony includes an integral isolation transformer
          Compatible with both new and existing 1.0 service factor induction or synchronous motors from any manufacturer without any special design considerations
          No significant drive-induced torque pulsations – even at low speeds
          No need for expensive flexible couplings
          No cable length restrictions
   
ROBICON Perfect Harmony - Technical data overview  
Brief overview  
voltage range: 2.3 – 13,8 kV
power range: 0.2 – 132 MVA
cooling: air cooled up to max. 6.7 MW
water cooled from 2.2 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
IP52 water cooling
Rules and standards: ANSI; NEMA; UL; CSA; CE
   
ROBICON Perfect Harmony - typical applications  
          Retrofit
          Power generation - ROBICON Perfect Harmony can ride through voltage dips or power outages
          Water/Wastewater - ROBICON Perfect Harmony provides high output voltage at low power
          Oil & Gas - Small footprint, high availability
          Pulp/Paper - ROBICON Perfect Harmony provides high output voltage at low power
   
     
     
     
     
   
     
 
 
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