MEDIUM
VOLTAGE DRIVES |
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ROBICON
Perfect Harmony
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ROBICON
Perfect Harmony |
The
Perfect Harmony of Performance, Process
and Technology |
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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. |
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SINAMICS
SM150 |
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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. |
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| 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. |
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| ROBICON
Perfect Harmony - Customer benefits |
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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
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| ROBICON
Perfect Harmony - Technical data overview |
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| Brief
overview |
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| voltage
range: |
2.3
– 13,8 kV |
| power
range: |
0.2
– 132 MVA |
| cooling:
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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 |
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| ROBICON
Perfect Harmony - typical applications |
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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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