QPDF-200-5

Power (Watts):	200W
Approvals:	CE
Minimum Load Required:	--
Size / Dimension:	7.83" L x 3.90" W x 1.97" H (199.0mm x 99.0mm x 50.0mm)
Mounting Type:	Chassis Mount
Features:	Adjustable Output, DC Input Capable, PFC, Universal Input
Operating Temperature:	-10°C ~ 60°C
Efficiency:	83%
Voltage - Isolation:	3kV
Applications:	ITE (Commercial)
Series:	QPDF-200
Current - Output (Max):	40A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input:	85 ~ 264 VAC
Number of Outputs:	1
Type:	Enclosed
Part Status:	Active

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<p>AC DC converters are widely used in various applications including power supplies and control systems. The QPDF-200-5 is an AC DC converter designed to provide a DC output voltage from a AC input. The device is composed of two major sections: an AC stage and DC stage.</p><p>The AC stage consists of an input contactor, rectifier, line filter, DC bus capacitor, input reactor, transformer, etc. An input contactor is used to turn on and off the AC input, which is fed to the rectifier. The rectifier is a bridge network of four diodes that allows only the positive or negative pulses to pass through depending on the AC cycle. The AC pulses then pass through the line filter to reduce any residual harmonics from the AC, providing a DC voltage for the subsequent stages. The DC voltage is stored in a DC bus capacitor. An input reactance is used to reduce the input current by regulating the AC voltage. Finally, a transformer steps down the voltage to the appropriate voltage levels required for the remaining stages.</p><p>The DC stage of the QPDF-200-5 is composed of a DC bus, DC link capacitor and an inverter. The DC voltage supplied from the AC stage is stored in the DC bus capacitor and it be used or applied to the inverter in the form of a pulse width modulation (PWM) signal, which can be applied to the DC motor for controlling its speed. The DC link capacitor provides the necessary voltage to the DC bus to maintain a constant voltage. This ensures that the voltage is consistent throughout the DC stage and prevents any power drops which may cause damage to the motor.</p><p>In summary, the QPDF-200-5 is an AC DC converter designed to provide a DC output voltage from an AC input. It is composed of two major stages, the AC stage and the DC stage. The AC stage consists of an input contactor, rectifier, line filter, DC bus capacitor, input reactor, and transformer. The DC stage consists of a DC bus, DC link capacitor and an inverter. Together, these two stages allow the device to convert AC voltage into a DC voltage and provide a PWM signal to the DC motor.</p>

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