PXe-FVS Series DC to AC Pure Sine Wave Inverter

DC to AC Power Conversion

The PXe-FVS Series converts a DC battery or DC supply into a regulated 110V or 220V AC pure sine-wave output.

The range is intended for smaller systems where mains-style AC power is required from a battery bank, a renewable-energy storage system, a vehicle supply, or another suitable DC source.

Available continuous output ratings are:

• 300W
• 600W
• 1000W
• 1500W
• 2000W

DC Input Voltage

The inverter is available for nominal:

• 12V DC
• 24V DC
• 48V DC
• 60V DC
• 72V DC

The correct model must be selected to match the nominal DC source voltage.

Published operating ranges are:

• 12V system: 10 to 15V DC
• 24V system: 20 to 30V DC
• 48V system: 40 to 60V DC
• 60V system: 50 to 75V DC
• 72V system: 60 to 90V DC

The DC source, cabling and protection must be capable of supplying the inverter input current at full load.

AC Output

Output configurations are available for:

• 110V AC ±10%
• 220V AC ±10%
• 50Hz ±1Hz
• 60Hz ±1Hz

The required AC voltage and frequency should be specified when ordering.

Pure Sine-Wave Output

The PXe-FVS Series generates a pure sine-wave AC output with published waveform distortion of ≤3% THD.

This makes the inverter suitable for many electronic, control, monitoring and conventional electrical loads where a lower-quality modified sine-wave inverter may cause noise, overheating or unreliable operation.

Load Compatibility

The FVS Series can be used with resistive, inductive, capacitive and mixed loads provided the inverter is correctly sized.

Typical loads include:

• Electronic equipment
• Monitoring systems
• Communications equipment
• Small control systems
• Lighting
• Small appliances
• Instrumentation
• Selected motor-driven equipment

Motor-driven, inductive, and capacitive loads can draw substantially more current at start-up than during normal operation.

Inverter selection should therefore consider both starting demand and continuous running power.

Battery & Renewable-Energy Systems

The FVS inverter can operate from a suitable battery system charged by solar, wind or another DC energy source.

The inverter itself does not replace the broader battery system components. A complete installation should include suitable:

• Battery charging
• Battery protection
• DC isolation
• Fusing or circuit protection
• Correctly sized DC cabling
• Earthing arrangements where applicable

Cooling & Protection

The inverter uses fan cooling and incorporates protection against:

• DC input under-voltage
• DC input over-voltage
• Output overload
• Over-temperature
• Output short circuit

The published over-temperature protection point is 80°C ±5°C.

Adequate airflow should be maintained around the inverter during operation.

Selecting a PXe-FVS Pure Sine Wave Inverter

The correct inverter should be selected around both the DC source and the connected AC load.

PX will normally need the following information:

• Nominal DC input voltage
• Battery or DC supply type
• Required AC output voltage
• Required output frequency
• Continuous load power
• Maximum start-up or surge demand
• Type of connected equipment
• Expected operating duration
• Fixed or portable installation
• Ambient operating conditions

Select the DC Input Voltage

The inverter voltage must match the connected DC system.

Available nominal input voltages are:

12V, 24V, 48V, 60V and 72V DC

Using the correct voltage family is particularly important because each model has defined undervoltage and overvoltage operating limits.

Select the Output Power

Available continuous ratings are:

300W, 600W, 1000W, 1500W and 2000W

The inverter should not be selected solely from the normal running wattage of the load.

Equipment such as motors, pumps, compressors, transformers and capacitive electronic loads can have significantly higher start-up demand.

Where this applies, additional inverter capacity should be allowed.

Select the AC Output

Specify the required AC output:

Voltage

• 110V AC
• 220V AC

Frequency

• 50Hz
• 60Hz

The correct output configuration should be confirmed before ordering.

DC Cabling & Protection

Low-voltage DC systems can draw substantial current, particularly at the higher inverter power ratings.

Cable size, fuse or breaker rating, connection length and battery capability should therefore be considered as part of the installation.

This is especially important with 12V and 24V systems, where input current can be considerably higher than on an equivalent 48V or 72V installation.

Battery Capacity

Battery capacity should be selected from:

• Connected AC load
• Required operating time
• Inverter efficiency
• DC-system voltage
• Permitted battery depth of discharge
• Battery technology and condition

For backup-power applications, the required runtime should be established before the battery bank is selected.

Installation

The inverter should be installed with adequate ventilation and should not be enclosed in a space where cooling airflow is restricted.

Connections should be kept secure and appropriately sized for the expected DC and AC currents.

Where the application involves a vehicle, renewable-energy system or battery bank, suitable DC isolation and protection should be provided as part of the wider installation.

PXe-FVS Series Technical Specification

Specification note: Final DC input voltage, AC output voltage, frequency and power rating should be confirmed for the intended battery system and connected load.