The ACE 300 inverter family is designed to work reliably in very demanding environmental conditions and to provide a future proof component for solar PV plant and energy storage operators.

In the text below our experienced design team explains the philosophy behind the development and technology of the ACE 300. Please take a look at what they say about the design principles:

Ampner ACETM 300 PV

Over the last 20 years, the generation of renewable energy generation has been beyond the wildest dreams of year 2000. The main driver has naturally been the demand of clean energy but the growth has been possible purely thanks to the rapid development of technology.

The development of the PV modules from low-power 600-VDC modules up-to current 700-W and 1500-VDC modules together with the development of the battery energy storages reaching nowadays 1500-VDC voltage levels have been the main drivers. However, the only reason why the world has been able to utilize that development is that the power electronics converter technology has advanced as well.

Over the years, the increased understanding of the effects of the renewable energy generation on the power grid in distribution and transmission level have also been crucial to fully utilize the potential. In practice, this means comprehensive grid codes specifying the proper operation of a power plant and the detailed actions of a single converter under varying circumstances.

The two main trends are the foundation for the development of Ampner ACETM 300. They and the state-of-the-art technology were detected and analysed before the product development decisions were made. With that information it has been possible to predict the perfect match for the needs and technology status exactly on the moment when of the product release for sales and production. As a result, Ampner ACETM 300 combines the cutting-the-edge features required in the full utilization of the renewable energy generation:

  • Its robust technology covers the voltage range up to 1500 VDC.
  • Its build-in-features and AC-power performance comply with the tightest grid codes globally both as an automatic operator and as a plant-controller-controlled actuator. 
  • Its power-size makes it possible to split the higher-power systems in smaller blocks which are easier to maintain than conventional centralized solutions but the number of separate units is still kept in convenient level.

The known and forecasted needs of the future have been kept in mind during the development

The known and forecasted needs of the future have been kept in mind during the development. Already, the first release product variants provide wide integrated variability for the current and the near future needs. In addition, the product works as a platform for wider extension of applications and cases.

As an example, the rapid increase of PV module power led to higher string current values is something which Ampner ACETM 300 PV can handle by default and there is still plenty of margin for further increase of string currents. Our competitors seem to be forced to develop new products not yet available, though the higher string currents are here now. Ampner ACETM 300 PV is here now and adapts from conventional low string current cases to the latest high string current cases.

Reliability and quality are reasons for the selected approach

A principle in the design has been to make to basic power converter design in a manner that it can be used over as wide range of applications and ambient conditions as possible. This approach makes the design work a bit more challenging than considering only single application but in a wider scope, it reduces the total effort needed to cover the total product range. Other reasons for the selected approach are reliability and quality. This is materialized e.g. in circuit board production, higher production volumes provides higher quality, and in field reliability where all the findings are automatically taken into account in all variants.

The robust design has been made by the innovative team relying on the strong Finnish electrical engineering being world-class since 1889.