Product Introduction

Siemens Robincon A5E42740268 power unit plays a vital role in high-voltage variable frequency speed regulation systems. Its high efficiency, low harmonics and high power factor make it an indispensable component in the field of industrial automation.

High efficiency performance
The power unit adopts a high-high solution of power unit series connection and uses a multi-winding high-voltage phase-shifting transformer, so that the current flowing through the secondary winding forms a current waveform very close to a sine wave when it is superimposed on the primary side of the transformer. This design makes the grid-side current harmonics only 2% and the motor-side output voltage harmonics 1.5% when the system is running at 50Hz (even at 40Hz, it remains at 2%). The efficiency of the complete set is as high as 97%, and the power factor reaches 0.96, which fully meets the requirements of IEEE519-1992 for voltage and current harmonic content.

Low harmonic output
By adopting the self-developed dedicated PWM (pulse width modulation) control method, the Siemens Robincon A5E42740268 power unit can further reduce the output voltage harmonics by 1-2%, thereby reducing interference with the power grid and other equipment.

Modular design
The power unit adopts a modular design, which is easy to maintain and replace, and also makes the expansion and upgrade of the system more flexible.

No pollution
The Siemens Robincon A5E42740268 power unit is pollution-free during operation, which meets the environmental protection requirements of modern industry.

High power factor: Due to its efficient design, the power unit has a high power factor, which helps to improve the overall efficiency and stability of the system.

Low output voltage harmonics: By adopting the self-developed dedicated PWM control method, the output voltage harmonics can be further reduced by 1-2% compared with similar products.

Fast bypass technology: With automatic bypass function, the bypass time can be completed within 250ms, and the faulty power unit is completely bypassed physically to ensure continuous and stable operation of the system.

Power conversion and regulation
This power unit plays a role in power conversion and regulation in the high-voltage variable frequency speed regulation system. It achieves precise control of the motor speed by converting the input high-voltage electric energy into electric energy suitable for driving the motor.

Reduce harmonics and improve efficiency
The Siemens Robincon A5E42740268 power unit adopts advanced multi-winding high-voltage phase-shifting transformer technology, which reduces the grid-side current harmonics to 2% and the motor-side output voltage harmonics to only 1.5%. This not only reduces the electromagnetic interference of the system, but also improves the overall efficiency of the system to 97%, with a power factor of 0.96, which fully meets the requirements of the international standard IEEE519-1992 for voltage and current harmonic content.

Provide stable and reliable power supply
This power unit can provide a stable and reliable power supply to ensure that the motor can run smoothly under various working conditions. Its modular design facilitates maintenance and replacement, improving the reliability and availability of the system.

Support multiple control modes
Siemens Robicon A5E42740268 power unit supports multiple control modes, such as vector control, torque control, etc., which can meet the needs of different applications and provide precise motor control.

Application scenarios
Industrial automation: Suitable for various industrial automation systems that require efficient motor control.
Energy management: Helps optimize energy efficiency and reduce energy waste.
Environmental protection: Reduce the impact on the environment by reducing harmonic pollution.

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