Product Introduction

Siemens Robincon Unit Control Board A1A0100275 is a control board for high voltage variable frequency speed regulation systems.
Here are some of the key features of the dashboard:
Automatic switching of dual power supplies: The control power supply can realize automatic switching of external 220V power supply and high-voltage power supply. At the same time, UPS is configured. Even if both power supplies fail, the control system can still work long enough to control the entire system. Safely shut down, issue an alarm, and record all status parameters at the time of the fault.

Safety isolation: The high-voltage main circuit and the low-voltage control circuit are transmitted using optical fiber, which is safely isolated and makes the system highly anti-interference.

Temperature monitoring: The phase-shifting transformer has a complete temperature monitoring function.

Automatic bypass technology: When the number of unit failures exceeds the set value, the system can automatically switch to power frequency operation (automatic bypass cabinet), the bypass time is within 250ms, and the faulty power unit is completely bypassed physically, allowing each phase There are different numbers of power units, three-phase line voltage balance (center point drift technology), which can give full play to the maximum output capacity of the power unit and significantly improve its output voltage capability compared with the traditional bypass terminal.

Overvoltage protection: If the output voltage of a unit is low, the converter output current is unbalanced and the unit will report overvoltage; if the DC bus overvoltage is generated when the no-load motor starts, the reference voltage can be adjusted appropriately; if overvoltage occurs during deceleration Voltage, the setting value of the inverter deceleration time can be appropriately increased.

Adapt to grid fluctuations: The system has strong resistance to grid voltage fluctuations. When the grid voltage fluctuates within the range of -15% to +15%, the system can work normally. For the power unit, when the voltage changes within the range of -25% to +20%, All work fine.

Output capacity: The operating frequency of the inverter is controlled by the working voltage output by the power module. The higher the voltage output by the power module, the greater the operating frequency and output power of the inverter. On the contrary, the inverter operating frequency and output power are lower.

Overall performance
Good adjustability: Siemens Robincon harmonic-free medium-voltage inverter (A1A0100275 related equipment) has very good adjustability. Its low-voltage units are connected in series to form a medium-voltage inverter, thus adapting to a wide range of voltage and power rating requirements. The power range is between 150kW and 120MW.

High reliability: The unit bypass function is adopted, which can short-circuit the faulty unit through the bypass function in less than a quarter of a second. At the same time, the ProToPS® protection system with processing fault tolerance function is adopted, making the drive extremely reliable.

High voltage quality: It can meet even the most stringent harmonic content requirements and performs excellently in this regard.

Wide application: It can play a versatile role in various applications such as power generation, oil and gas, water, shipbuilding and papermaking, improve productivity, enhance energy utilization and reduce operating costs. It is a high reliability, high precision and long service life frequency conversion applications.

Advantages in different application scenarios
Power generation scenario: In power generation applications (A1A0100275 related equipment Robincon harmonic-free inverter) voltage drops or power outages can be avoided1.
Water/wastewater treatment scenarios: High output can be achieved at low power in water/wastewater treatment scenarios.

Oil and gas scenarios: Small footprint and high availability in oil and gas scenarios.

Pulp/Papermaking Scenario: High output can be achieved at low power in the pulp/papermaking scenario.

Compatibility
Motor System Compatibility: Compatible with existing motor systems regardless of age, brand or voltage/frequency, even capable of driving synchronous motors.

Power supply system compatibility: Meets the most stringent IEEE519-1992 current harmonic distortion requirements and is compatible with the power supply system.

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