8D725Z20PN251

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8D725Z20PN251 application field and working principle

8D725Z20PN251 is an efficient, compact, cost-efficient, and reliable low voltage variable frequency drive (VFD) for motor performance optimization and energy efficiency. It can be applied to general requirement when constant torque, variable speed, voltage, and current limitation are needed over a wide range, such as pumps, fans, compressors, mixers, conveyors, or other general duties. It is compact and space-saving, and offers motors with added flexibility.

Application Field

The 8D725ZP20PN251 provides a wide range of applications from 0.37KW to 2.2KW. It is ideal for applications that require constant torque up to 0.75KW, as well as variable speed motor control at low voltage. Its uses range from general motors to pumps, fans, compressors, mixers, and conveyors, allowing for a much wider range of motor applications.

This VFD is designed for the automation and control of manufacturing systems, integrating the best practices in power electronics. It is excellent for the protection of machines by preventing overload operations and overvoltages. It also increases motor efficiency, saving energy and cut costs in the process. Additionally, it provides LCD operation menus in multiple languages. This makes it easier and more convenient to set up and use.

Working Principle

The 8D725ZP20PN251 is an AC drive, and its working principle is quite straightforward. The frequency and voltage output of the drive can be adjusted via the input signal. The relevant output frequency and voltage are determined by the scaling factor and ramp-up time of the input signal. When connecting input signals, the output frequency and voltage are determined by the input signal voltage.

The 8D725ZP20PN251 utilizes a continuous three-phase power-stage for maximum motor performance. The internal motor field-oriented control (FOC) compensates for irregularities in the torque caused by the load dynamic changes. The three-phase power is also utilized to achieve superior motor efficiency. This adjustable voltage motor control actuates the VFD’s output frequency to adjust motor speed according to the input signal. It also adjusts the motor speed and torque for various load requirements.

The 8D725ZP20PN251 utilizes its adaptive control technology to improve the system performance and robustness. It has outstanding motor output torque and overload capabilities. When a fault is detected, the VFD can automatically switch the motor to a safe state and shut down voltage, disconnecting the motor from the power supply.

Conclusion

The 8D725ZP20PN251 is a powerful and reliable low-voltage variable frequency drive. Its wide range of applications, from pumps to conveyors, makes it ideal for industrial automation and motor controlling systems. This drive provides enhanced motor performance, superior motor efficiency, and adjustable voltage motor control. Additionally, it offers overload protection and adaptive control technology for maximum system performance and robustness. It is an excellent choice for motor control applications in the manufacturing and industrial realms.

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