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The new Stage V generator sets will be the most technologically advanced and competitive products in the European rental market.

Clean Diesel Generators for the Next Generation

STAGE V - DIESEL GENERATORS

Diesel Engines

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel, which is injected into the combustion chamber, is caused by the elevated temperature of the air in the cylinder due to the mechanical compression (adiabatic compression). Diesel engines work by compressing only the air. This increases the air temperature inside the cylinder to such a high degree that atomised diesel fuel injected into the combustion chamber ignites spontaneously.

This contrasts with spark-ignition engines such as a petrol engine (gasoline engine) or gas engine (using a gaseous fuel as opposed to petrol), which use a spark plug to ignite an air-fuel mixture. In diesel engines, glow plugs (combustion chamber pre-warmers) may be used to aid starting in cold weather, or when the engine uses a lower compression-ratio, or both. The original diesel engine operates on the “constant pressure” cycle of gradual combustion and produces no audible knock.

The diesel engine has the highest thermal efficiency (engine efficiency) of any practical internal or external combustion engine due to its very high expansion ratio and inherent lean burn which enables heat dissipation by the excess air. A small efficiency loss is also avoided compared to two-stroke non-direct-injection gasoline engines since unburned fuel is not present at valve overlap and therefore no fuel goes directly from the intake/injection to the exhaust.

Low-speed diesel engines (as used in ships and other applications where overall engine weight is relatively unimportant) can have a thermal efficiency that exceeds 50%; it can reach up to as high as 55%.

European Emissions – ‘Stage V’

In the European Union emissions of nitrogen oxides (NOx), total hydrocarbon (THC), non-methane hydrocarbons (NMHC), carbon monoxide (CO) and particulate matter (PM) are regulated for most vehicle types, including cars, trucks (lorries), locomotives, tractors and similar machinery, barges, but excluding seagoing ships and aeroplanes. For each vehicle type, different standards apply. Compliance is determined by running the engine at a standardised test cycle. Non-compliant vehicles cannot be sold in the EU, but new standards do not apply to vehicles already on the roads. No use of specific technologies is mandated to meet the standards, though available technology is considered when setting the standards. New models introduced must meet current or planned standards, but minor lifecycle model revisions may continue to be offered with pre-compliant engines.

Along with Emissions standards the European Union has also mandated a number of computer on-board diagnostics for the purposes of increasing safety for drivers. These standards are used in relation to the emissions standards.

As you are aware, in order to gradually reduce air pollution, Directive 97/68/EC, which established requirements relating to emission limits (stages I, II, IIIA, IIIB and IV) and type-approval procedures for engines for non-road mobile machinery, was adopted in 1997.

In January 2017, Directive 97/68/EC was repealed and superseded by Regulation (EU) No 2016/1628, which establishes emission limits for gaseous and particulate pollutants (known as Stage V) for engines of non-road mobile machinery, as well as administrative and technical requirements relating to type approval. This regulation will affect products marketed from 1 January 2019. However, it provides for a ‘transition’ period, in which equipment with engines manufactured in 2018, so not Stage V-approved, may be sold.

Midas provides a truly value added service for many industries, including indoor & outdoor events, agriculture, commercial standby power, public sector, marine & offshore & more…

We offer an array of diesel generators in a very wide range of power output capacities – all well maintained & available at short notice

Himoinsa Stage V Transition Programme

HIMOINSA is working on the design of a new range of generator sets with STAGE V engines, based on EU Regulation 2016/1628 for off-road mobile machinery (NRMM).

The new Stage V generator sets will incorporate all manner of design and innovation features that will make it one of the most technologically advanced and competitive products in the European rental market.

HIMOINSA will continue to offer generator sets with Stage IIIA engines for a period of up to 24 months after the new regulation goes into effect.

The transition period for generator sets with powers of less than 56KW and more than 130KW will last until December 2020. However, models with powers between56 and 130KW, with Stage IIIA engines, will continue to be marketed until December 2021.

Himoinsa Stage V - Transition Programme
Himoinsa Stage V - Transition Programme

The new generator sets range comprises models with Yanmar, FPT and Scania engines, and incorporates a new canopy design to accommodate the machine’s new post-treatment system as well as the electrical installations. One of the greatest innovations in the S5 generator sets will be their control panels, meticulously designed to ensure a reliable and efficient coordination with the control panels of the new Stage V engines.

In 2019-20, the new stage V engine EU standards come into play. It’s a great target to have but it’s a massive jump at the same time. As much as anything else, those machines will be 30/40 per cent bigger, (mainly due to cooling considerations), and 30/40 per cent more expensive, on top of which, it’s doubtful any transition won’t be monitored properly.

Midas strongly recommend that at this time, rather than stagnating and worrying about Stage V, it’s important to concentrate on getting Stage IIIA engines out there. Users of diesel generators, should be talking to their suppliers and finding out what engines they’re supplying.

Incredibly, there are still a whole lot of machines in the hire loop that are in breach of current standards, pumping out pollutants far in excess of where we should be by now. So let’s begin the transition to Stage V by removing these older machines from the market first!

What can Midas do for you?

  • Huge range of generator units available
  • Timed delivery slots to work with your schedule
  • Thoroughly maintained units for maximum resilience
  • On-site training for new customers
  • Power output from 20kVA to 3000+ kVA

  • 24/7 Remote Monitoring

  • Low-Emissions & Fuel Efficient Generators

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