PXe Series – AC Power Supply

Name: PXe Series – AC Power Supply
Brand: PX Electronics

The PXe Series AC Power Supply is a high-performance unit that enables seamless frequency conversion—whether 50Hz ↔ 60Hz, or even up to 400Hz, with user-definable frequencies like 6.67Hz, 25Hz, and 100Hz. Available in both single-phase (0.5kVA–200kVA) and three-phase (1kVA–2000kVA) models, it features a rectifier-inverter architecture using PWM and IGBT technology, and includes an isolation transformer to eliminate ground loops.

PXe Series AC Power Supply Key Highlights:

Clean, utility-quality output: Pure sine-wave with low total harmonic distortion (≤ 3% THD).
User-friendly interface: LED display and tactile buttons for easy control.
Robust protections: Safeguards against over-temperature, over-voltage, excessive current, short circuit, and more.
Flexible configurations: Choose between fixed and adjustable output voltages and frequencies, single- or three-phase setups, and optional interface modules (RS-232C/RS-485/GPIB).

Ideal for:

R&D, product compliance testing, performance validation, and ensuring equipment functions correctly under various frequency conditions.
Aerospace & avionics testing (particularly 400Hz systems), marine and shoreside power applications, industrial machinery, and laboratory equipment.

Available in various model sizes from compact 1kVA single-phase units to large-scale 2000kVA three-phase systems. This converter is your versatile solution for reliable, safe, and precise AC power conditioning across diverse applications

Features:

Solid-state, double-conversion design for stable and repeatable AC output under varying load conditions
Low distortion sine wave output (THD ≤ 3%) for sensitive equipment and test applications
Wide frequency capability, including 50Hz/60Hz conversion and higher frequency outputs where required
IGBT-based PWM control for accurate regulation of voltage and frequency
Integrated galvanic isolation transformer for improved safety and noise reduction
Fast electronic protection against over-voltage, over-current, overload, short circuit and thermal faults
Suitable for continuous duty in laboratory, aerospace, marine and industrial environments
Available in single-phase and three-phase configurations with scalable power ratings

Applications of PXe series 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

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
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 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

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 Phase/ 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 are able to provide bespoke cases to fit most environments.

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-110005	5kVA	43.4A @ 115V	230V (L-L) ±10% \| 50Hz \| Single Phase	115V (L-N)/ 200V (L-L) \| 60Hz \| Single Phase	430x550x430mm	55kg
PXe-130010	10kVA	28.9A per phase @ 115V	230V (L-L) ±10% \| 50Hz \| Single Phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 phase	430x550x630mm	107kg
PXe-310015	15kVA	65.3A @ 230V	400V (L-L) ±10% \| 50Hz \| 3 phase	230V (L-L) \| 60Hz \| Single Phase	550x700x800mm	220kg
PXe-330020	20kVA	57.9A per phase @ 115V	400V (L-L) ±10% \| 50Hz \| 3 phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 phase	550x900x1000mm	240kg
PXe-330050	50kVA	86.9A per phase @ 115V	400V (L-L) ±10% \| 50Hz \| 3 phase	115V (L-N)/ 200V (L-L) \| 60Hz \| 3 phase	550x900x1000mm	290kg
PXe-330100	100kVA	130.4A per phase @ 115V	480V (L-L) ±10% \| 60Hz \| 3 phase	115V (L-N)/ 200V (L-L) \| 50Hz \| 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, 400kVA, 500kVA~2000kVA (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, 120/208V, 127/220V, 220/380V, 230/400V, 240/415V, 254/440V, 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 / 40–500Hz (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