FSDR608Y

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FSDR608Y is a voltage-variable three-phase rectifier for power supply applications. It converts incoming AC power into DC power with superior output transient response and low input current harmonic distortion. The device is a fully-controlled rectifier which includes power factor correction, soft start, and input synchronisation features. With the use of the comprehensive digital control, it can provide a fast and accurate dynamic response. This enables the rectifier to be used for various power supply applications.

The primary application field of the FSDR608Y are for industrial, commercial, and residential applications with its principally designed voltage-variable rectifier. It can also provide a range of DC voltages that can be used in high power systems, such as for charging electric vehicles, radio communication, and power electronic motor drives.

Regarding the details of its working principle, the FSDR608Y is composed of six-pulse rectifier bridge which consists of six independent device(diode/thyristor or MOSFET) to control the input current flow. The active AC voltage source is connected with the bridge by trigonometry. When a half wave cycle is applied, the remaining semiconductors become conducting and the current starts to flow.

The FSDR608Y then utilizes pulse width modulation (PWM) to control the rectifying current. All six devices in the rectifier are provided each with a different DC voltage waveform in a specific order to achieve total current control. It also incorporates a built-in digital controller which can be adjusted by the user to set accurately the desired output voltage.

Furthermore, the device can also be equipped with a synchronisation module to keep the device’s internal clock in synchronisation with the AC input voltage. This allows for improved power factor and greatly reduced input current harmonic distortion. The FSDR608Y also provides soft start feature which is useful in protecting the entire system from overvoltage due to over-current on startup.

In conclusion, FSDR608Y is an advanced voltage-variable, three-phase rectifier designed to be used for power supply applications in a range of industrial, commercial, and residential fields. The device includes power factor correction, soft start, and input synchronisation features and it is highly efficient in providing fast and accurate response with reduced input current harmonic distortion, making it an ideal for various power supply applications.

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