CACR-SR01AA2AH-Y3 YASKAWA

CACR-SR01AA2AH-Y3 YASKAWA Power Board

Product  Description：

Yaskawa Power Boards are critical hardware components primarily found within AC drives (inverters), servo amplifiers, and robotic controllers. These boards function as the high-voltage power stage of the equipment, responsible for rectifying incoming AC power into DC and then inverting it back into a variable frequency AC output to control motor speed and torque. They integrate heavy-duty power semiconductors, such as IGBTs (Insulated Gate Bipolar Transistors), with sophisticated sensing circuits to manage high-current energy flow with precision.

Product Parameters

The technical specifications of Yaskawa Power Boards are designed to meet rigorous industrial power standards:

• Input Voltage Ratings: Support for 200V-240V AC (single/three-phase) and 380V-480V AC (three-phase) industrial grids.

• Output Current Capacity: Ranges from a few amperes for small servo drives to hundreds of amperes for high-capacity industrial inverters.

• Switching Frequency: High-frequency PWM (Pulse Width Modulation) control, typically operating between 2kHz and 15kHz to minimize motor noise and heat.

• Dielectric Withstand Voltage: Built to resist high voltage surges, often rated to withstand 2kV AC or higher for one minute between power circuits and the chassis.

• DC Bus Voltage: Internal DC bus management typically reaching 300V DC for 200V class and 600V-800V DC for 400V class units.

• Thermal Monitoring: Integrated NTC thermistors for real-time temperature tracking of the power modules.

Product Advantages

Yaskawa Power Boards are engineered for maximum efficiency and long-term durability in heavy-duty environments:

• High Energy Efficiency: Advanced IGBT technology reduces switching and conduction losses, resulting in lower energy consumption and reduced cooling requirements.

• Rugged Power Stage: Designed with heavy copper layers to handle high thermal stress and current surges, ensuring stable operation during motor acceleration and braking.

• Integrated Protection Logic: Features hardware-level protection for overcurrent, overvoltage, and ground faults, which reacts faster than software-level controls to prevent catastrophic damage.

• Compact Integration: By combining the rectifier, DC bus capacitors, and inverter bridge on a single high-density board or module, Yaskawa minimizes the overall size of the drive.

• Low Electromagnetic Interference: Optimized board layouts and integrated filtering components help reduce electrical noise, ensuring compliance with global EMC standards.

Product Applications

These boards are the energy-driving heart of various motion-controlled systems:

• Servo Drive Systems: Providing the precise power delivery required for Yaskawa Sigma series motors in high-speed pick-and-place robots.

• General Purpose Inverters: Used in GA700 or A1000 series drives to control pumps, fans, and conveyor belts in industrial plants.

• Industrial Robots: Acting as the internal power distribution units for MOTOMAN robot controllers, driving multiple axes simultaneously.

• Elevator and Lift Control: Managing the smooth acceleration and regenerative braking of high-capacity vertical transportation systems.

• Renewable Energy Systems: Utilized in power conditioners for solar and wind energy conversion where high-efficiency power inversion is mandatory.

Important Precautions

Due to the high voltages and currents involved, strict adherence to safety protocols is required:

• Residual Voltage Hazard: Even after disconnecting the main power, the DC bus capacitors can hold a lethal charge. Always wait at least 5 to 10 minutes and verify the voltage with a meter before touching the board.

• Static Discharge Protection: Power boards contain sensitive gate-drive electronics. Always use a grounded wrist strap when handling the board to avoid damaging the semiconductors via electrostatic discharge.

• Proper Ventilation: Ensure that the heatsinks attached to the power board are clean and that the cooling fans are operational. Overheating is the leading cause of power semiconductor failure.

• Terminal Torque: When connecting power cables to the board, use a torque wrench to meet the manufacturer's specific settings. Loose connections cause localized heating, which can lead to fire or board carbonization.

• Phase Correctness: Ensure the input phases (L1, L2, L3) and output phases (U, V, W) are wired correctly. Swapping output phases will reverse the motor direction, which can be dangerous for many mechanical systems.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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