Three Phase Static Frequency Converters SFC

Name: Three Phase Static Frequency Converters SFC
Brand: PX Electronics

PX Electronics three-phase static frequency converters are designed for high-power frequency conversion, where stable output and continuous operation are critical. They convert 50Hz and 60Hz power supplies for industrial equipment, marine systems, export testing and manufacturing environments.

Technical Highlights:

Three-phase power conversion
Designed to convert 50Hz and 60Hz three-phase supply frequencies for machinery, motors, pumps, compressors and specialist equipment.

Built for higher load applications
Suitable for larger inductive and resistive loads that require stable power delivery.

IGBT PWM conversion technology
Solid-state AC-to-DC-to-AC conversion delivers precise frequency control and consistent output performance.

Integrated transformer isolation
Helps protect connected equipment while improving output stability in demanding environments.

Continuous duty operation
Designed for production facilities, test environments and operational systems requiring long run times.

Control and monitoring options
Front panel controls, remote operation capability and communication options available depending on configuration.

Typical Applications:

Marine shore power
Export equipment testing
Industrial machinery
Manufacturing facilities
Pumps and compressors
HVAC systems
Motor testing
Oil and gas applications
Utility frequency conversion projects

Features:

Three-phase static frequency conversion from 50Hz to 60Hz, 60Hz to 50Hz, and 50/60Hz to 400Hz
Available from 1kVA to 200kVA output power
Precision solid-state IGBT PWM conversion technology
Clean low-distortion sine-wave output suitable for sensitive loads
Stable output voltage and frequency regulation under varying load conditions
Integrated output isolation transformer for electrical separation and noise reduction
Configurable input and output voltage combinations
Front-panel monitoring of voltage, current, frequency, and system status
Comprehensive protection including overload, short-circuit, over-temperature, and phase loss protection
Suitable for laboratory, aerospace, marine, industrial, and production test environments
Optional remote monitoring and communications interfaces including RS-232, RS-485, and Ethernet
Available as rack-mounted, floor-standing, or mobile enclosure systems

Applications of PXe Three Phase Static Frequency Converters include:

Performance testing of appliances: Allows for accurate testing of appliances under different frequency conditions
Compliance testing of dropout and regulation: Ensures equipment meets regulatory requirements
Aviation and avionics LRUs: Supports the operation and testing of avionics equipment used in aircraft
Aircraft systems: Provides the necessary power conversion for aircraft systems relying on different frequencies
Industrial electrical equipment: Enables the operation of equipment requiring specific frequencies in industrial settings
Marine power solutions: Supports power conversion needs for marine vessels
Shoreside power solutions: Provides frequency conversion capabilities for power supply at ports and harbours
Laboratory and test instruments: Facilitates accurate frequency testing for laboratory equipment
Motors, fans, and pumps: Allows operation of these devices at different frequencies as required

Our Static Frequency Converters are designed specifically with your requirements in mind. For a quote specific to your needs please provide us with the following:

Input: No. of Phases | Voltage | Frequency
Output: No. of Phases | Voltage | Frequency
Capacity: kVA or output current
Enclosure: IP22 (Standard), IP32 or IP54 (Optional)
Control: Manual or interface

If you have space and weight restrictions, please let us know; we can provide bespoke cases to fit most environments.

Available options

IP54-rated cases for rugged outdoor use, Marine and Avionic environments. Vital protection against Humid environments, Condensation, Salt Spray, Water ingress and dust.
Additional conformal coating of internal PCB boards and electronic parts to provide added protection in harsh environments
19″ Rack Mount options for smaller models
12 & 18 Pulse Rectifiers available for increased harmonic performance
Remote control watchdog for larger models: For models typically over 50kVA, we can provide a watchdog system that provides real-time information on faults via an SMS service, stores data history, enables remote operation and provides automatic restart availability.
Cables and terminations for various aircraft types
Trolleys and rubber wheels with swivel tow bar for ease of movement. A fully mobile GPU unit suitable for MRO sites, Airfields, Hangers and Military Bases where mobility is a key requirement

Popular configurations

We have a variety of models available. Please see below for some popular configurations. Please note: customers may request alternative voltages and frequencies as required; below are examples only.

Model	Capacity	Current Rating	Input	Output	Dimensions	Weight
PXe-330003 3ph In/3ph Out	3kVA	12A per phase @ 83V	380V (L-L) ±10% \| 50Hz \| 3 Phase	0-300V Variable \| 60Hz \| 3 Phase	430x550x430mm	62kg
PXe-330006 3ph In/3ph Out	6kVA	17.3A per phase @ 115V	415V (L-L) ±10% \| 50Hz \| 3 Phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 Phase	430x650x600mm	92kg
PXe-330009 3ph In/3ph Out	9kVA	23A per phase @ 130V \| 11.5A per phase @ 260V	400V (L-L) ±10% \| 50Hz \| 3 Phase	0-260V (L-L)/0-520V (L-L) \| 50Hz/60Hz \| 3 Phase	430x650x600mm	121kg
PXe-330015 3ph In/3ph Out	15kVA	21.7A per phase @ 230V	400V (L-L) ±10% \| 50Hz \| 3 Phase	230V (L-N)/ 400V (L-L) \| 60Hz \| 3 Phase	550x700x800mm	220kg
PXe-330030 3ph In/3ph Out	30kVA	86.9A per phase @ 115V	415V (L-L) ±15% \| 50Hz \| 3 Phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 Phase	550x900x1000mm	290kg
PXe-330045 3ph In/3ph Out	45kVA	130.4A per phase @ 115V	400V (L-L) ±10% \| 50Hz \| 3 Phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 Phase	580x1100x1500mm	440kg

Technical Specification

Capacity
Single Phase Output	kVA Ratings: 0.5kVA, 1kVA, 3kVA, 5kVA, 10kVA, 15kVA, 20kVA, 30kVA, 50kVA, 60kVA, 75kVA, 100kVA, 150kVA, 200kVA
Three Phase Output Versions	kVA Ratings: 1kVA, 3kVA, 6kVA, 9kVA, 15kVA, 20kVA, 30kVA, 45kVA, 60kVA, 100kVA, 150kVA, 200kVA, 300kVA (Select One kVA)
Input
Single Phase (Select One Individual Voltage)	110Vac ±10%, 115Vac ±10%, 120Vac ±10% 127Vac ±10%, 220Vac ±10%, 230Vac ±10%
Three Phase (Select One Individual Voltage)	115-127 (L-N) / 200-220V (L-L) ±10%, 220-240 (L-N) / 380-415V (L-L) ±10%, 3 Phase 4 Wire 440V (L-L) ±10%, 480V (L-L) ±5%, 3 Phase 3 Wire
Frequency	50Hz/60Hz ±5%, 400Hz (Optional)
Power Factor	≥ 0.8 (standard type) ≥ 0.9 (optional type, 12 pulse)
Output
Single Phase (Select One Individual Voltage)	Fixed: 110V, 115V, 120V, 127V, 220V, 230V, 240V Adjustable: 0~150Vac / 0~300Vac
Three Phase (Select One Individual Voltage)	Fixed: 115/200V (L-N/L-L), 120/208V (L-N/L-L), 127/220V (L-N/L-L), 220/380V (L-N/L-L), 230/400V (L-N/L-L), 240/415V (L-N/L-L), 254/440V (L-N/L-L), 277/480V (L-N/L-L), 3 Phase 4 Wire Adjustable: 0~260V (L-N) / 0~520V (L-L), 3 Phase 4 Wire
Frequency	Fixed: 50Hz, 60Hz, 100Hz, 200Hz, 45-200Hz (adjustable) Optional: 400Hz/40Hz~500Hz (adjustable), 16.67Hz, 25Hz, 50Hz, 60Hz, 400-1000Hz
Voltage Accuracy	≤ ±1% FS (Full Scale)
Frequency Accuracy	≤ ±0.1% FS (Full Scale)
Total Harmonic Distortion	THD ≤ 3% @ linear load, pure sine wave output
Crest Factor (Pk/rms)	3:1
Overload	100% for continuous, 101-200% shut down in 200mS
Interface	None for standard units, RS232C/RS485/GPIB (Optional)
Protection	Over-current, over-load, over-voltage, over-temp, short circuit, alarm and indicators
Enclosure IP Rating	IP22 (Standard), IP32, IP54 (Optional). Special enclosure options available
LED/LCD Display	Digital frequency meter Digital voltage meter Digital current meter Digital power/PF meter
Connectors	Hard-wire terminals, EN60309, MIL-STD, Or client choice
Operating conditions
Temperature	Operation: -10℃~55℃ Ambient: -10℃~45℃
Noise	≤ 65dB at 1 meter EN 55022, IEC1000-4
Humidity	10~90% non-condensing
Cooling	Variable speed fan, filtered air intake in base, exhaust at rear
Altitude	≤ 1800m
Castors or Feet	0.5-3kVA have rubber feet and lifting handles, 4kVA+ have castors with front brakes. A/Vs or feet optional
CE	CE Marked
Reliability and Efficiency
Mean Time Between Failure (MTBF)	50,000Hrs
Mean Time To Restore (MTTR)	< 30 min
Overall Efficiency	≥ 85%
Standards
GB50054-95, GB 50150-1991, GB 50150-2006, GB 50171-1992, GB/T 16935.5-2008, GB/T16935.4-2011
EN IEC61000-3-2, EN 61000-3-3, EN55032, EN55035, MIL-STD-1399, MIL-STD 461, MIL-STD704, STANAG 1008
For more information and support, please feel free to contact us