Frequency Converters

Frequency Converters

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20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V

20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
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20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
20 KVA Static Frequency Converter, 3 Phase 220V/380V/480V
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$7,791.92
$8,879.00
Ex Tax: $7,791.92
  • Stock: In Stock
  • Model: HZTOHZ-G25
  • Weight: 1.00
  • SKU: HZTOHZ-G25

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20 kVA three phase 220V/380V/480V static (solid state) frequency converter, adjustable output voltage and frequency, easy converting 60Hz to 50Hz and 3 phase to 1 phase (vice versa).

Specification

ModelHZ-50-3320
Capacity20 kVA
Dimension770*580*1140mm
Weight220 kg
InputVoltage3 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 *)
Frequency50 Hz, 60 Hz or 400 Hz ± 5%
OutputVoltage, current110V Setting (Low grade): 0-150V (phase voltage), 0-260V (line voltage) 55.6A
220V Setting (High grade): 0-300V (phase voltage), 0-520V (line voltage) 27.8A
Load stabilization Rate≤±1%
Frequency50Hz, 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 DistortionPure Sine Wave ≤2%
Frequency meter4 digit, digital frequency meter, resolution 0.1Hz/Step
Voltmeter4 digit, digital voltage meter, resolution 0.1V
Ammeter4 digit, digital ammeter, resolution 0.1A
Watt meter4 digit, digital Watt meter, resolution 0.1W
ProtectionWith overload, short circuit, over temperature
Instantaneous power failure protection and alarm device
Working EnvironmentTemperature0 - 40 deg.℃
Humidity0 - 90% (Non condensation)
Warranty18 months

* The input voltage is factory selected.

Tips: If I run a 3-phase motor rated 460V 60Hz on a 380V 60Hz power supply what will happen?
For motors not driven by a variable frequency source the volts/hertz ratio should stay constant to keep the magnetic fields compliant with the motor design. If you ran a 480V / 60 Hz motor at 380V / 50 Hz the volts/hertz ratio would be maintained but with it being 380V / 60 Hz you have not maintained the volts/hertz ratio. Also, the motor should be protected with a thermal overload device, not just an upstream circuit breaker. You can check the condition of the motor by performing a megger, Hipot, and surge comparison test to determine if it has been damaged. The frequency of the source and the number of the motor poles sets the basic speed of the induction motor so motors can operate at 50 or 60 Hz line frequencies but obviously the speed will change and the voltage needs to be provided accordingly to keep the Volts/Hz ratio constant, when not using a VFD. Also, the load would have to be adjusted accordingly to not exceed the motor nameplate current rating.

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