120v 60Hz to 240v 50Hz Frequency Converter, Three Phase, 15kVA/20kVA

SKU: PH-TFC-15000

$7,287.99

● 15kVA/20kVA three-phase power with wide Wye/Delta input voltage options. ● Variable output voltage (up to 520V) and adjustable frequency 50Hz–400Hz for flexible power simulation. ● Pure sine wave output with high accuracy, low distortion (≤2%), and stable regulation. ● Built-in digital monitoring and full protection, ensuring safe and reliable operation.

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Overview
Specs
Application
FAQ
Reviews

Overview

The three phase converter delivers reliable, high-capacity three-phase power with adjustable voltage and frequency up to 400Hz. Featuring pure sine wave output, precise regulation, and real-time digital monitoring, it ensures stable operation for demanding industrial and test applications. Comprehensive protection and user-friendly controls make it a safe and flexible solution for global power conversion needs.

Feature

15kVA/20kVA three phase converter supports three-phase input (Wye / Delta) with wide voltage options and 50Hz / 60Hz / 400Hz compatibility.
Provides adjustable three-phase output up to 520VAC with frequency adjustable from 40Hz to 400Hz.
Delivers pure sine wave output with low harmonic distortion (≤2%), load regulation ≤±1%, and frequency stability ≤±0.01%.
Handles high current output with full rated capacity available at ≤120Hz and reduced load operation at 400Hz.
Features 4-digit digital meters for voltage, current, power, and frequency with high-resolution display.
Includes comprehensive protection against overload, short circuit, over-temperature, and power failure with alarm.

Details

Simultaneous LED display presents voltage, frequency, current, and power at a glance, without mode switching.
AC frequency converter features clear, high-resolution digits that provide accurate and easy-to-read monitoring.
Flexible output adjustment allows fast setup for various operating requirements.
User-friendly controls ensure straightforward and efficient operation.
Integrated fault protection with error code indication enables quick diagnosis and recovery.

Dimension

Function Key Description

Function key description

Output Frequency Display: Shows the current output frequency (Hz) for real-time monitoring.
Output Voltage Display: Indicates the current output voltage (V) to ensure it remains within the set range.
Output Current Display: Displays the output current (A) to monitor load conditions.
Output Power Display: Shows the output power (W) for quick evaluation of operating status.
Start Button: Press to start the unit and enable power output.
Stop / Reset Button: Press to stop the output immediately; after a fault or overload, press to reset once the issue is cleared.
Frequency Adjustment Button: Used to adjust the output frequency, typically within the 40Hz–400Hz range.
High / Low Voltage Range Switch: Press to switch voltage ranges; high range 150V–300V, low range 0–150V.
Voltage Adjustment Knob: Turn clockwise to increase output voltage and counterclockwise to decrease it.
Power Factor Selection: Used to switch or display the power factor mode for different load characteristics.

Automatic Start Delay Circuit Diagram

Automatic start delay circuit diagram

Specs

Capacity	15kVA/20kVA
Dimension	770 (D)580 (W)1140 (H) mm
Weight	190kg(15kVA)/220kg(20kVA)
Input Voltage	3 Phase 4 Wire, Wye Type: 190/110, 200/115, 208/120, 220/128, 230/132, 240/139 V ±10% (Option)
	3 Phase 4 Wire, Wye Type: 380/220, 400/230, 415/240, 440/254, 460/265, 480/277 V ±10% (Option)
	3 Phase 4 Wire, Delta Type: 220, 230, 240, 380, 400, 415, 440 V ±10% (Option)
Input Frequency	50 Hz / 60 Hz / 400 Hz ±5%
Output Voltage & Current	110V Setting (Low Grade): 0-150V (phase voltage), 0-260V (line voltage), 41.6A (15kVA) / 55.6A (20kVA)
Output Voltage & Current	220V Setting (High Grade): 0-300V (phase voltage), 0-520V (line voltage), 20.8A(15kVA) / 27.8A (20kVA)
Load Regulation	≤ ±1%
Output Frequency	50Hz/60Hz adjustable up to 400Hz
Frequency Notes	At 400Hz output, load capacity is limited to 50% of rated capacity
	At ≤120Hz output, full rated capacity is available
	Frequency adjustable within 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
Voltmeter	4-digit digital voltage meter, resolution 0.1V
Ammeter	4-digit digital ammeter, resolution 0.1A
Wattmeter	4-digit digital watt meter, resolution 0.1W
Protection	Overload, short circuit, over-temperature protection
Alarm Function	Instantaneous power failure protection with alarm
Operating Temperature	0-40 °C
Operating Humidity	0-90% RH (non-condensing)
Warranty	18 months

Application

Aerospace & Aviation Systems

Manufacturing & Production Lines

Electronic & Electrical Product Testing

Equipment Repair Center

FAQ

Q1: How should capacity be selected for continuous operation?

For long-term continuous duty, size the load at 70-80% of rated kVA.
This margin improves thermal stability and extends component life.

Q2: What happens to capacity at higher output frequencies?

≤120Hz: Full rated capacity available
>120Hz: Output power derates proportionally
400Hz: Typically limited to ~50% of rated kVA

This is due to magnetic and thermal constraints at high frequency.

Q3: What load types are supported electrically?

Resistive (heaters, lamps)
Capacitive (power supplies)
Inductive (transformers, motors)
Non-linear electronic loads

Total kVA and inrush must remain within limits.

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