Siemens Robicon Perfect Harmony General Description

Overview

General description

Technical data overview

Customer benefits

typical application

General description

In ROBICON Perfect Harmony, a series of low-voltage batteries are linked together to build the medium-voltage power output of the drive system. Through this topological structure, the driver can be precisely adjusted within a wide range of voltage and output power. In addition, ROBICON Perfect Harmony has improved usability due to its modular design and the ability to bypass any battery during operation while maintaining the full output voltage.

In addition, the integrating transformer with phase-shifted secondary can provide 18 pulse or better input harmonic cancellation under any working conditions, and the power factor is higher than 0.95. This eliminates the need for input harmonic filters or power factor compensation, and completely avoids applying any common mode voltage to the motor.

The quality of the output voltage is so close to a perfect sine wave shape that almost any type of motor (old or new, low speed or high speed) can be operated without any additional stress. Problems related to the increase in dU/dt, overheating and torsional vibration are a thing of the past.

Customer benefits

The footprint is very small.

No output transformer is required-the motor voltage of 2.3 to 13.8 kV can be directly provided.

No need for harmonic line filters or power factor compensation.

Designed to continue operation through component failure, thereby completely disabling traditional drives. The patented unit-based configuration maximizes usability and allows customers to determine the right time to perform maintenance, while the modular design reduces system repair time to minutes.

The battery bypass option can be controlled by a redundant bypass that is completely isolated from each battery to ensure that the failed battery is automatically bypassed in the usual 450 milliseconds or less (less than 1/2 second).

The optional process protection system (ProToPS®) combined with battery bypass supports the high reliability and availability of Robicon Perfect Harmony. ProToPS provides a hierarchical warning system instead of tripping the drive and automatically shutting down the system due to a fault. This control strategy allows time to evaluate the situation and respond appropriately to avoid system shutdown.

No common-mode motor insulation stress-Robicon Perfect Harmony includes an integrated isolation transformer.

Without any special design considerations, it can be compatible with new and existing 1.0 service factor induction motors or synchronous motors provided by any manufacturer.

Even at low speeds, there is no significant drive torque torque pulsation.

No need for expensive flexible couplings.

No cable length limitation.

typical application

Refurbish

Power generation-ROBICON Perfect Harmony can overcome voltage drops or power outages

Water/Wastewater-ROBICON Perfect Harmony provides high output voltage with low power

Oil and gas-small footprint and high availability

Pulp/Paper-ROBICON Perfect Harmony provides high output voltage with low power

Technical data overview

voltage range:

2.3-13.8 kV

Power range:

0.2-132 MVA

cool down:

Air cooling to a maximum of 6.7 MW

Water cooling from 2.2 MW

Maximum output frequency:

330 Hz standard

Open/closed loop control:

-Sensorless vector control (optional with sensor)

-Communicate with all current BUS systems

-Automatic motor recognition

-Auto start

Protection level:

IP21 or higher

IP52 water cooling

Rules and standards:

ANSI; NEMA; UL; CSA; CE certification

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