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+34 943 376 400

jema@jemaenergy.com

Off-grid Systems & Hybrids

Off-grid-SystemsWe offer Off-grid systems for your photovoltaic installation. The technology used in isolated systems acts as a voltage source capable of generating an effective voltage and an adequate frequency without external synchronization.

Our photovoltaic inverters can be used with or without batteries. These systems are highly appreciated for the stand-alone PV plants and for those which have to guarantee a constant production every day. Suitable for independent power supply in areas remote from the grid. Our systems offer high efficiency in power generation and battery management.

  • Battery-operated stand-alone inverters
  • Custom made systems
  • Grid quality solutions
  • System management

Hybrid Systems

The photovoltaic hybrid systems designed by Jema are an excellent solution which combines two technologies. The first one, the inverter act as a voltage source capable of generating an effective voltage and an adequate frequency without external synchronization. The second one, the inverter is basically a current source that generates a sine wave to the grid which is synchronized with it. Now, we offer a new model of inverter which combines the features of both, so that if the system is disconnected from the grid, the inverter will act in isolation and will generate emergency power, while otherwise it transforms electricity to the grid.

The benefits of these systems are:

  • Direct current sinusoidal voltage and frequency stable.
  • Good performance even at partial loads
  • High overload capacity.
  • Tolerance against fluctuations in the battery
  • Standby economical with automatic load detection
  • Short-circuit protection
  • Excellent EMC
  • Low harmonic content
  • Voltage Protection
  • Bidirectional operations (converter)

 

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