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    3kVA 3-Phase 380v 50Hz/480v 60Hz Frequency Converter

    3 kVA pure sine wave AC power frequency converter, 220V/240V/380V/480V input, three phase 0-520V output, converting 50Hz power to 60Hz 400Hz for export product testing or operation of equipment at international frequency and voltage.
    SKU: HZ-50-3303
    Delivery date: 6-12 days

    3 kVA three phase solid state (static) frequency converter, converting 50 Hz to 60 Hz, 400 Hz adjustable, compatible with 3 phase 220V - 240V, 380V, 400V - 480V power system, 3-phase or 1-phase output.


    Model HZ-50-3303
    Capacity 3 kVA
    Dimension 680*500*970mm
    Weight 120 kg
    Input Voltage 3 Phase 4 Wire: Wye Type 190/110, 200/115, 208/120, 220/128, 230/132, 240/139V ±10% (option *)
    3 Phase 4 Wire: Wye Type 380/220, 400/230, 415/240, 440/254, 460/265, 480/277V ± 10% (option *)
    3 Phase 4 Wire: Della Type 220, 230, 240, 380, 400, 415, 440V ± 10% (option *)
    Frequency 50 Hz, 60 Hz or 400 Hz ± 5%
    Output Voltage, current 110V Setting (Low grade): 0-150V (phase voltage), 0-260V (line voltage) 8.4A
    220V Setting (High grade): 0-300V (phase voltage), 0-520V (line voltage) 4.2A
    Load stabilization Rate ≤±1%
    Frequency 50Hz, 60Hz up to 400Hz adjustable
    Frequency Stability ≤±0.01%
    Harmonic Distortion Pure Sine Wave ≤2%
    Frequency meter 4 digit, digital frequency meter, resolution 0.1Hz/Step
    Voltmeter 4 digit, digital voltage meter, resolution 0.1V
    Ammeter 4 digit, digital ammeter, resolution 0.1A
    Watt meter 4 digit, digital Watt meter, resolution 0.1W
    Protection With overload, short circuit, over temperature
    Instantaneous power failure protection and alarm device
    Working Environment Temperature 0 - 40 deg.℃
    Humidity 0 - 90% (Non condensation)
    Warranty 18 months

    Tips: Influence of 50Hz 60Hz exchange to resistive components

    Most people usually believe that these components are simply one resistance. Connecting with both AC and DC currents can satisfy its lightening and heating functions. Its power can be satisfied through satisfying the voltage grade requirement. In fact, that is not the case. The lamp and heater are assimilated to regulated conductor(take roundness as an example). The theoretical current is evenly distributed in the conductor. When we supply AC current into it, because of the electromagnetic induction, the electromotive force impending current will be perceived in the conductor center. At this moment, the current tends to the outer ring and outer surface of the conductor. The distribution starts to become uneven. This is a “skin effect” phenomenon. Therefore, it is not hard to infer that, when the voltage is fixed, the frequency exchanges from 50 Hertz to 60 Hertz application, the induced electromotive force increases, the area of the conductor center ring enlarges, the active area of conductor current circulation decreases, the corresponding conductor resistance increases, the current reduces, and the power decreases.
    Strictly speaking, it still affects the resistive element. It is sometimes that it does not took into account because the low voltage level does not affect its performance.

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