Product Introduction

Siemens Robincon LDZ14501001.070 power unit is suitable for a variety of occasions requiring high-voltage variable frequency speed regulation with its high efficiency, energy saving and powerful functions. These occasions include but are not limited to:
Industrial automation: In various automation equipment on the production line, such as conveyor belts, processing machine tools, etc., this power unit can accurately control the operation of the motor, thereby improving production efficiency and product quality, reducing energy consumption and maintenance costs.

New energy power generation: In the wind power generation system, this power unit can convert the AC power generated by the wind turbine into DC power, and convert it into AC power that meets the requirements of the power grid through the inverter and send it into the power grid. In the solar power generation system, it can boost and invert the DC power generated by the panel to meet the access requirements of the power grid.

Structure
Each power unit is completely consistent in structure and can be interchanged. It is a basic AC-DC-AC single-phase inverter circuit. The rectifier side is six branches to achieve three-phase full-wave rectification. The output side structure is composed of the U and V output terminals of each unit connected in series to form a star connection to power the motor. By reorganizing the PWM waveform of each unit, a step PWM waveform can be obtained. This waveform has good sinusoidality and small dv/dt, which can reduce insulation damage to cables and motors. No output filter is required, the output cable length can reach 1000 meters, and the motor does not need to be derated. It can be directly used for the transformation of old equipment.

Controller
The controller and each unit control board adopt 32-bit DSP, large-scale integrated circuits and surface welding technology, and the system has high performance. Multi-channel optical fiber communication technology is used between the controller and the power unit. The low-voltage part and the high-voltage part are completely and reliably isolated. The system has high safety and good anti-electromagnetic interference performance.

Fault handling
During the operation of the high-voltage inverter, when one of the units fails, it can be temporarily bypassed and derated due to the unit bypass function.

Application scenario
Industrial automation
In various automation equipment on the production line, such as robots, conveyor belts, processing machine tools, etc., the Robincon power unit can control the operation of the motor, improve production efficiency and product quality, and reduce energy consumption and maintenance costs.

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