New mobile generator launched by Himoinsa

By Ian Cameron23 June 2021

One megawatt set can run on natural and liquid petroleum gas

Himoinsa has developed, in collaboration with rental companies, a 1MW gas powered mobile generator – the HGS-1030 NG/LPG which can work with natural and liquid petroleum gas without loss of power.

The company said that the generator, in a 40-foot container, significantly reduces carbon emissions giving rental companies a tool that helps them to reduce their carbon footprint without sacrificing power or availability.

Himoinsa has developed a 1MW gas powered mobile generator – the HGS-1030 NG/LPG

The HGS-1030 NG/LPG has a built-in 56 L, low compression V-16-cylinder Siemens engine with a double bearing Stamford alternator with flexible coupling. It also features a DEIF control unit and two touch screens programmed in special configuration by means of modules that allow it to run in isolation, in parallel with other generators and/or the power grid.

As the generator set is designed for island operation, it is equipped with an oversized battery system that allows heat to be evacuated from the engine room by powering the emergency fans in the event of a sudden shutdown.

“We have designed a power solution with the ability to adapt to various gas qualities, as well as to emergency, prime or continuous applications. It has been designed to adapt to all types of climatic conditions, such as tropical environments, desert areas or high altitudes, for example, which means it can run in a vast number of locations.

“It is an extremely versatile unit with very low operating costs that does not require assembly, just a gas supply and a power output”, said Manuel Aguilera, Himoinsa’s Global Gas Unit Head, who stressed the need for rental companies to have units in their fleet that can operate with gas and in a multitude of scenarios and projects.

According to Himoinsa, which is based in Murcia, Spain and owned by Yanmar, another aspect that helps to reduce operating costs is the lower cost of fuel (natural or liquid petroleum), which, it said, are more competitive than diesel.

The user can select the type of gas available in the application via the touch panel and obtain maximum net power output due to the unit’s carburation and regardless of which gas is used.

Due to these adjustments and the engine design, the generator set delivers the same power level for both natural and liquid petroleum gas, which Himoinsa claimed, is rarely seen in the gas powered generation industry at this power level.

“This represents a clear advantage for the rental company, as it means it does not reduce its income, since it continues to deliver 1MW to its customer regardless of the fuel used”, Aguilera added.

The set also incorporates a hydraulic kit designed to cool the two HT-LT engine circuits (high and low temperature) as well as temperature and pressure sensors throughout the circuit and expansion vessels to stabilise the pressure and three-way valves to control the flow of cooling water. The hydraulic system features a dual-circuit horizontal electro radiator integrated into the container.

The container consists of two independent and insulated rooms that ensure the area in which the mono block is located is tightly sealed. In the ventilation room, a dual-circuit tropicalised horizontal radiator has been installed with six fans powered by an electronic engine and with variable speed allowing the speed of the fans to be adjusted in line with the cooling requirements, thereby reducing noise and maximising electrical efficiency.

The engine room features an air renewal system that uses ATEX fans, also powered by an electronic engine, and controlled by a temperature sensor as well as by gas and smoke sensors that switch it on, if necessary, even when the unit is not running. Finally, an additional oil tank ensures the correct oil level in the crankcase during the 1,500-hour maintenance interval.

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