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    75kVA 3-Phase 400v 50Hz/240v 60Hz Frequency Converter

    5 out of 5 based on 5 reviews | Write a review
    $19,164.91
    75 kVA pure sine wave AC power frequency converter, 3 phase 220V, 380V, 400V, 480V input, adjustable 0 Volt to 520 Volt output, convert 50Hz power supply to 60Hz for industrial appliance, 400 Hertz for military equipment.
    SKU: HZ-50-3375
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    Delivery date: 6-12 days

    Reasonable price 75kVA solid state frequency converter, step up three phase 208V/220V to 380V/415V, step down 480V to 400V, convert fixed frequency to variable-frequency and variable-voltage.

    Specification:

    Model HZ-50-3375
    Capacity 75 kVA
    Dimension 1200*750*1260 mm
    Weight 575 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) 208.4A
    220V Setting (High grade): 0-300V (phase voltage), 0-520V (line voltage) 104.2A
    Load stabilization Rate ≤±1%
    Frequency 50Hz, 60Hz up to 400Hz adjustable
    Note:
    -When the output is 400Hz, the load capacity can only reach 50% of the rated capacity.
    -When the output is ≤120Hz, the load capacity can reach 100% of the rated value.
    -You can just adjust converter output frequency in the range (40-400Hz) for 400Hz option.
    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

     

    Existing reviews of 75kVA 3-Phase 400v 50Hz/240v 60Hz Frequency Converter
    High quality 3 phase 75 kVA frequency converter
    For your 75 kVA 3 phase frequency converter, the 104.2A is that inrush current or nominal current? The in-rush current duration for my application is less than 0.5 seconds and the nominal is ~ 11 amps. Would I still require a 75kVA unit?
    From: Wade | Date: 26/07/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The 104.2A is the max inrush current the frequency converter can handle, so, even the in-rush current duration for your application is less than 0.5 seconds, recommended converter would be 75kVA as listed below.
    Frequency converter voltage
    I have some questions about your voltage and frequency converters. I currently have an application that requires conversion from 3 phase 480v @ 60Hz to 3 phase 400v @ 50Hz able to support 60 KVA. Do you have such specs?
    From: Aaustad | Date: 29/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes. Ok, based on your specs, recommended frequency converter model: HZ-50-3375, 75kVA power capacity, input: 3ph, Wye (L1,L2,L3 + N,G), 480V (+/- 10%), 50/60Hz and output: 3ph, Wye/Delta (L1,L2,L3 + N,G), adjustable (0-520V), adjustable (40-120Hz), 104.2A.
    High quality frequency converter
    The name plate of the transformer under test for the solution 15 KVA Converter is:
    Power 2-5 MVA
    Ratio 400/6000 or 400/20000 V
    Connection Yn/D
    Zcc 6-10%
    No load loss at 50 Hz Nominal voltage range 3000 – 6000 W
    For the 30 kW converter, the nominal power could be about 15-25 MVA
    Ratio 15000/130 000 V
    Connection Yn/Y
    No load loss <17 kW at Vn 50 Hz
    About your answers attached:
    OK. The external filter is an option.
    Do you confirm that your converte can work in a single phase modifying the firing angle and modifying manually the transformer connections? The scope is to get 15 KVA 3 phase and 15 kVA single phase.
    O.K. we can use an ELMA srl instrument to measure frequency over 100 Hz. About SW remote control, do you deliver a simple SW tool for Windows pc or only protocol profile like Modbus?
    From: Marc | Date: 21/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Thanks for your kind information on transformer load capacity for our reference.
    1. For power 2-5 MVA, it is alright to choose a 15KVA converter, but for a nominal power that may be around 15-25 MVA, you need to choose a 75 KVA converter in fact. Because our converter needs to amplify at least 3 times the capacity for transformer load. Choose 15 KVA & 75 KVA converters is the only choice.
    2. Q&A on the other questions:
    A. Yes, the external filter is an option.
    B. If you just need our converter to work as a single-phase output occasionally, you can do it without a selector and without any changes. Because our three-phase converter can be directly connected to an output Hot Line, add zero Line N, then it becomes a single-phase output, it can be used like this.>>>the nominal output power will be 1/3 of nominal power (5-7kVA).
    C. About remote control voltage output/frequency, what er can do is output from the converter lead, connected to an external control box with a display panel to achieve remote control. Thus our remote control is wired, it is not software.
    Which frequency converter do you recommend for me?
    I am looking for a three phase to single phase frequency converter. I need to feed a robot that was brought from China. The voltage is 220 vac and the frequency is 50 Hz.
    The manufacturer says that the total rush power of the robot is 37.2 kva. And our supply voltage is 3-phase, 480V. What do you recommend?
    From: Ranch | Date: 28/09/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Ok, based on 37.2kVA load, recommended frequency converter model: HZ-50-3145, 45kVA power capacity, input: 3ph, Wye (L1, L2, L3 + N, G), 480V (+/- 10%), 50 /60Hz and output: 1ph, (L + N, G), adjustable (0-300V), adjustable (40-120Hz), 188A.
    For my request, which frequency converter would you recommend to me?
    I want to use my UK 230-240V 50Hz to run US 110-120 60Hz Electronics, MAX 16 Amps. What do you recommend?
    From: Alvin | Date: 12/10/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    For 16A electronics load, recommended frequency converter model: HZ-50-1105, 5kVA power capacity, input: 1ph, 230V (+/- 10%), 50/60Hz and output: 1ph (L, N, G), adjustable ( 0-150V), adjustable (40-120Hz), 41.6A.
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