20A Sine Wave Filter, 3 Phase

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$413.23

Ex Tax: $413.23

Stock: In Stock
Model: RDDLZ-SWF-20
Weight: 1.00
SKU: RDDLZ-SWF-20

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Three phase sine wave filter with rated current 20A, adapted power 7.5kW, withstand voltage 3000VAC 60/s, F insulation class. The sine filters filter out the switching frequency from the pulse width modulation (PWM) from the output of an inverter, then provide a sinusoidal motor current.

Specification

Model	RDDLZ-SCAR-0020
Rated current	20A
Adapted power	7.5kW
Withstand voltage	3000 VAC 60/s
Fundamental frequency	50Hz
Carrier frequency	4kHz
Insulation class	F
Altitude	＜2000m
Working temperature	-40-85℃
Voltage drop	8%-12%
Weight	14.5kg

Dimension

Model	L	W	H	L1	W1	A	B
RDDLZ-SCAR-0020	230mm	220mm	245mm	210mm	78mm	8mm	14mm

Application

Tips: What is the function of a sine wave filter?

The function of the sine wave filter is to convert the PWM wave output by the variable frequency into a sine wave. When the motor voltage is 50Hz, the distortion coefficient of the sine wave filter is about 5%.

Its main functions include two aspects:

Adjust the waveform output by the inverter. The waveform output by the inverter is a PWM wave, which is a waveform between a square wave and a sine wave. After adding a sine wave filter, the PWM wave will be transformed into a waveform that is more like a sine wave.
Realize the long-distance transmission of the frequency converter. In general, if the distance between the inverter and the load exceeds 50 meters, a reactor must be added. If there is a requirement for the output waveform of the inverter, a sine wave filter must be added. This distance refers to the length of the connection.

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