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Metallized film DC filter capacitor.jpg

High-Voltage Metallized Film DC Filter Capacitors - China Factory Suppliers for 220μF to 8000μF Capacities

Introducing our high-voltage, high-capacity Metallized Film DC Filter Capacitor, designed for superior performance in various applications. This premium capacitor is available in a capacitance range of 220μF to 8000μF, ensuring versatility to meet your specific needs. With a capacitance tolerance of ±10%, you can rely on its accuracy and stability.

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Operating within a voltage range of 800V to 2000V, this capacitor is engineered to handle demanding electrical environments. It supports a maximum current of 360Arms, making it ideal for high-performance systems. Additionally, the stray inductance (Ls) is optimized between 28nH and 40nH, enhancing its efficiency.

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For reliability and safety, our capacitors undergo rigorous testing, including a test voltage of 1.5Un DC for 10 seconds between terminals and a 4kVac test at 50Hz for 1 minute between terminals and the case.

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As a leading manufacturer in China, we take pride in being a trusted supplier of high-quality capacitors. Our factory is dedicated to providing innovative and reliable solutions for your capacitor needs. Choose our Metallized Film DC Filter Capacitor for unmatched performance and quality in your electrical applications.

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    Product Detail

    Technical Specifications

    Capacitance Range 220μF ~ 8000μF
    Capacitance Tolerance ±10%
    Voltage Range 800 ~ 2000 V
    Maximum Current 360Arms
    Stray Inductance (Ls) 28nH ~ 40nH
    Test Voltage (Terminals) 1.5Un dc 10s
    Test Voltage (Terminals to Case) 4kVac 50Hz 1min.

    Description

    DC filter capacitor used to be a energy storage component in Voltage source converter for flexible DC transmission system which provides smooth DC voltage for converter, meanwhile alleviate the voltage waving of DC side when the system fault happens. So that ease off the voltage ripple of DC side. Furthermore, preventing the IGBT from overvoltage and overshoot.

    Reference Datasheet

    DC filter film capacitor (Metal Rectangle housing)
    No CN
    (μF)    		 Is max
    (nH)    		 Irms
    (A)    		 ESR
    (mΩ)    		 Rth
    (k/W)
    Un 800VDC
    1 1200 36 86 0.5 0.47
    2 2000 45 140 0.44 0.34
    3 2500 55 175 0.42 0.30
    4 3000 62 210 0.41 0.20
    5 4700 28 200 0.37 1.36
    6 5600 33 230 0.36 1.06
    7 6800 35 280 0.35 0.98
    8 7500 37 300 0.35 0.90
    9 8000 40 330 0.34 0.90
    Un 1000VDC
    10 1000 36 80 0.49 0.47
    11 1500 45 120 0.45 0.34
    12 2000 55 160 0.43 0.30
    13 2500 62 200 0.41 0.20
    14 4000 28 200 0.37 1.36
    15 4700 33 220 0.36 1.06
    16 5600 35 280 0.35 0.98
    17 6800 37 330 0.34 0.90
    18 7500 40 360 0.34 0.90
    Un 1200VDC
    19 680 36 65 0.55 0.47
    20 1000 45 95 0.48 0.34
    21 1500 55 140 0.44 0.30
    22 1600 62 150 0.43 0.20
    23 3000 28 150 0.39 1.36
    24 3300 33 200 0.37 1.06
    25 4000 35 240 0.36 0.98
    26 4500 37 260 0.35 0.90
    27 5000 40 280 0.35 0.90
    Un 1400VDC
    28 470 36 56 0.58 0.47
    29 700 45 83 0.5 0.34
    30 1000 55 115 0.46 0.30
    31 1200 62 140 0.44 0.20
    32 3000 28 150 0.39 1.36
    33 3300 33 200 0.37 1.06
    34 4000 35 240 0.36 0.98
    35 4500 37 260 0.35 0.90
    36 5000 40 280 0.35 0.90
    Un 1600VDC
    37 350 36 50 0.62 0.47
    38 560 45 75 0.52 0.34
    39 700 55 95 0.48 0.30
    40 900 62 120 0.45 0.20
    Un 1800VDC
    41 280 36 42 0.65 0.47
    42 420 45 63 0.55 0.34
    43 560 55 85 0.5 0.32
    44 700 62 105 0.47 0.20
    Un 2000VDC
    45 220 36 38 0.69 0.47
    46 330 45 56 0.58 0.34
    47 470 55 80 0.51 0.32
    48 560 62 95 0.48 0.20

    Frequently Asked Questions

    What is the capacitance range of these DC filter capacitors?
    The capacitance range is from 220μF to 8000μF with a standard capacitance tolerance of ±10%.
    What voltage range do these DC filter capacitors support?
    These capacitors support a voltage range from 800VDC up to 2000VDC.
    What is the primary function of a DC filter capacitor in flexible DC transmission systems?
    It serves as an energy storage component in the Voltage Source Converter (VSC). It provides smooth DC voltage for the converter and alleviates voltage waving on the DC side during system faults.
    How do these capacitors protect the IGBT components?
    By easing off the voltage ripple on the DC side, the capacitors effectively prevent the IGBT from experiencing overvoltage and overshoot issues.
    What are the test voltage specifications for safety and reliability?
    The capacitors undergo terminal-to-terminal testing at 1.5Un DC for 10 seconds, and terminal-to-case testing at 4kVac (50Hz) for 1 minute.
    What is the stray inductance (Ls) range of the capacitors?
    The stray inductance (Ls) ranges from 28nH to 40nH depending on the specific model and configurations listed in the datasheet.

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