GENSETS
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Genset - Generators and Machinery - Generators and Minimotos - Electric Generators
When we think of generators and generators do not usually think of the performance of number generators, specialized equipment capable of working miracles.
Able to represent different sizes, capable of generating electricity. The generators are not at all a simple tool to generate energy from nothing, can even be a tool that can make several changes, some through some physical laws, usually.
The analysis described above shows that the gas-based DG will actually be beneficial to air quality in most applications in most places. Based on this evaluation, it is inappropriate and futile attempt to keep the conventional technologies of the Directorate General of the standard of a good project control gas combined cycle. The first result of this approach is that DG projects that reduce emissions will be prevented from being installed and the environment suffer. In light of these results, a better regulatory approach should be developed that protects the environment through the promotion of beneficial technologies DG.
There are several regulatory concerns that have contributed to this approach counterproductive. One is the concern that small generators are not sufficiently regulated. Although many facilities of the Directorate General are too small to be affected by the Federal new source permitting requirements, which are subject to review by lesser state of origin. Thus, there is a regulatory structure with easy access instead of applying the appropriate requirements.
A second concern is clearly the greater use of existing or new diesel generators with high emissions of NOx. The emission characteristics of these engines are well known and have already been addressed in permit requirements. Engines with execution times per hour must stay within their limits or go through a process repermitting potential new control requirements. The new engine installations have not run the time limits should apply the appropriate control equipment, like any other source. However, this concern should not reflect on the technology of gas emission rates are much lower.
The more difficult question is how to set appropriate limits for new projects of the Directorate General. As noted above, comparing the DG technologies to large combined cycle plants, gas on the results of a standard that can not be met and has little practical value or the environment. Moreover, this approach is totally out of step with U.S. practice environmental regulation. In this system, the emission limits for new installations are based on one or both of two approaches:
- Source-specific, technology-based control requirements - the new home of the Performance Standards.
- Case by case determinations control requirements based on available technology, environmental benefits and cost-effectiveness (BACT / LAER).
There is no basis in practice, U.S. regulatory to establish control requirements based on the performance of a completely different technology in a range of very different sizes. Establish requirements for the DG on the basis of large plants with combined cycle gas is comparable to the establishment of emission standards for large diesel trucks based on performance over the last two places for hybrid cars. The result would be normative or the environment slightly.
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The correct choice of our generator set is critical to achieving maximum utilization of our investment, minimizing problems and optimizing spending. There are many criteria that can determine the choice of a generator.
They are:
Mechanical characteristics:
- Assistance service (less than 500 hours per year) and use temporary use with a group equipped with gasoline or diesel engine governed at 3000 rpm
- Intensive continuous service or severe operating conditions with a group equipped with a diesel engine set at 1500 rpm
Todos los grupos electrogenos de 1 a 6 Kva., con un motor a gasolina (3000 r.p.m.), están destinados para un servicio de auxilio o a una utilización momentánea (menos de 500 horas al año).
Electrical characteristics:
- Voltage of the devives to supply
- Power
- Frequency
- Number of phases
Before calculating the power required, check that the voltage of the devices that need power corresponds to the voltage generator.
220 Voltios – 50 Hz in single-phase
380 Voltios – 50 Hz in three-phase
Should I use gas, diesel or petrol?
- NATURAL GAS NETWORK: It is suitable for very intensive use, self-generation for many hours a day, or in cases where we do not want to fuel the team, as connected with the network we are liberated from the task. The natural gas devices tailored to diminish their power and life, though this is well offset by the cost of fuel we have, while in some cases is even more convenient to consume energy from the mains.
- GASOIL: Although the current price of gas oil is high, and teams are more expensive, are still undoubtedly the most robust, reliable and durable, the best choice for intensive uses, rural, major powers, ect. The investment cost of a diesel is always amply rewarded for the service that will surely bring.
- PETROL: It's convenient when it will not work more than 3 hours or when it is for emergency use, provided that such powers of up to 15 Kva. This is because, while these teams have shorter life span and consume fuel more expensive, for a use as mentioned above, largely offset by the relatively low cost at the time of purchase..
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However, there must be a basis for regulating emissions from DG technologies. Although the BACT / LAER process has many problems, could be a useful starting point and the methodology for that structure. You could start with an analysis of BacT control options for DG technologies to identify appropriate control levels for specific technologies. At a minimum, therefore, prevent the construction of emitting very high and keep DG units operate in the range where it will create environmental benefits. It is also fairer to submit all sources to the same regulatory approach.
That said, it is likely that successful implementation of BacT allow many of the new gas technologies DG be allowed in current reference levels. In part this is because they are relatively clean. However, it also reflects the low profitability of add-on control technology in these size ranges. This factor limits the ability of the process to produce new source "technology forcing" that is one of the main effects.
Most developers and equipment manufacturers of DG have made a clear commitment to developing environmentally superior team. Beyond the commercial offer at present, the program Advanced Turbine Systems has demonstrated significant progress in increasing efficiency and reducing emissions from small turbines. The advanced piston engine system (ARES) program is preparing to begin a similar process for the engines. With this commitment to improving technology, there may be a better approach than BACT / LAER or a size-fits-all rules to promote the development of better technology.
One that has been suggested by various parties, and more recently by the U.S. EPA in discussions of alternatives to the NSR, is the development of the technology in stages, forcing the rules of specific technologies. This approach starts from the current performance levels and establish standards of future performance achievable by the technology industry could work towards ensuring that it would be acceptable for a period of time. This would provide good performance levels, technology and simplified forcing the necessary authorization and environmentally beneficial electricity generation technologies.
Conclusions on Gensets
Environmental regulations, thereby promoting the rationalization of gas and a good control of the projects of the Directorate General of diesel at current levels of performance will be environmentally beneficial and should be pursued. It is also appropriate to provide drivers of regulation to improve the technology of the DG over time, but drivers should not be strictly regulated as to eliminate the option of the DG. In the long term, a broader regulatory structure, the flexible drive technology must be developed. Meanwhile, regulations for DG need to recognize the value of the DG to reduce emissions in the short term and technology, specifically the ability to continue to improve over time.