Diesel generator

A diesel generator is the combination of a diesel engine with an electrical generator (often called alternator) to generate electricity.

The diesel generators are used in places that have no connection to the grid or as emergency power source in case of power failure. PORTATILES small diesel generators range from 1 kVA to 10 kVA, while the industrial diesel generators larger may vary between 8kVA - 30kVA for homes, small shops or offices, and go up to 2000kVA when used for complex offices, factories or power plants. These diesel generators are widely used not only for electricity in an emergency, but also to assist the public grid.

The cargo also often use electric generators not only to provide energy to electrical systems, but also to propel themselves. The use of diesel generators for propulsion is actually becoming more common because the diesel generators do not need to be near the propeller. It can therefore be placed in a better place, freeing up space in the ship for loading. This combination diesel-electric is also used in some large ground vehicles.

The diesel generator are selected based on the energy charge that they must provide and according to the "critical load" needed (eg redundancy in a hospital must be 100%).

Diesel power plants

The diesel generators can work together (in parallel). The use of generators operating in parallel offers advantages: greater capacity, efficiency and redundancy. A power plant drove by diesel generators has generally three to six machines.

Diesel generators can be connected together through a synchronization process. Synchronization involves comparing the voltage, frequency and phase before connecting the diesel generator to a busbar line. The lack of synchronization before the connection could cause a high current short circuit and damage the diesel generator and / or its switchgear. The synchronization process can be done automatically using a module of self-synchronization. The self-synchronizer will read the voltage, frequency and phase parameters of the diesel generator and busbar voltages, while the speed setting will be done by the ECU (Engine Control Module).

The load can be distributed among the diesel generators operating in parallel with the interchange of charge. As synchronization, load balancing can be automated using a load distribution module. The load balancing module measures the amount and frequency of the electrical generator while constantly adjusting the motor speed to move the load to and from the remaining sources of energy. As a main engine diesel generator at constant speed, it loads more quickly when increasing fuel supply of the combustion system, while the load is released if that supply is reduced.

Support to main power grids

The reserve diesel power generators in case of emergency, such as those used in hospitals, power plants, etc ... are widely used in the U.S. and the UK to assist the national grid at peak times. In the United Kingdom, for example, about 2 GW of diesel engines are typically used to assist the national grid, the maximum load is 60 GW. We talk about an association in order of size from 200 kW to 2 MW. Control of the national grid (United Kingdom). This is very good for both parties, diesel engines have already been acquired for other reasons, it is necessary that they are totally reliable at the load test. A parallel network is a convenient way to do this.

In this way, the national network in the UK may take about 2 GW to the plant that operates in parallel, sometimes two minutes before. This is much faster than base load plants that may need to be warned 12 hours in advance. Even though diesel generators are very expensive in terms of fuel, we use them only a few hundred hours per year, and their availability can avoid having to run a continuous base load station running inefficiently with a partial load. The diesel fuel that is used would have been used anyway for controls.

Diesel engines can sometimes be damaged when used in combination to generate electricity due to the interior glass and carbon accumulation due to prolonged periods of operation at low speed or small load. This happens when the engine is in "standby", ready to generate electricity when needed, when the supplying engine is too powerful for the load on the alternator, or when the maximum power of the electric generator is higher than normal loads encountered, bringing the diesel unit under load. This is a common problem with generators. For example, a diesel generator able to supply the lighting circuit of a building is designed to be able to handle the load of each light in the building that would be lit. However, this scarcely happens. Thus, for most of the lifespan of the diesel engine in combination, it will not be very loaded (perhaps something like 10% of the maximum load). Ideally, diesel engines must run at less than 60-70% of its maximum permissible load, and around 75% of its maximum speed (even if the conditions of phase-engine generators can make these speeds hard to reach).

It is possible to wire a transfer switch for electrical system to avoid supplying the outside line. For such projects, are also available natural gas or propane generators. Choosing a diesel generator is the most expensive option, but also the most effective. Portable diesel units can be transported in workplaces and camping areas. While these units provide less energy than fixed installations, they can provide power to several major appliances at a time. The unit will not only have to handle the operating power of the part, but also its power output. Never overload a diesel generator because it could easily cause little damages. Finally, we must let the diesel generators warming up when starting and cool down before adding fuel. To let the diesel generator warm up provides easier operation and allows it to handle delicate equipment effectively.Let the diesel generator cool down before refueling to dissipate heat and reduce the risk of fire. Diesel generators with diesel engines are efficient and effective. Handled and maintained properly, they will work for many years.

Why diesel generators are still the number one choice in power generation system of emergency in the world?

You have a lot of devices and electrical systems in your home or workplace for your health, comfort or safety. Most of them are dependent of the public grid. It is not meaningless to assist your system with a security electric diesel generator for your family to be comfortable and secure in your home in case of power failure. Our diesel generators are strong, serious and reliable, with excellent electrical and mechanical devices.
Diesel generator - A careful preparation is essential before choosing, buying an electric generator and install a system backup. Do not take it at the last minute. You should take the time to learn how to use the system beforehand. During a power failure, you may not be able to find devices, fuel or installations adapted at a reasonable price. You must keep the system simple, so that your family can use it and do the maintenance. Your emergency system must work reliably in times of need.
Diesel generator - a system of energy reserve must allow you to use your appliances more efficiently. We have a wide range of products ideal for the house, construction and energy reserve in case of emergency. Easy to use with its wireless remote start and its warranty that helps protect the future. We remain an industrial leader and are proud to be members of the Better Business Bureau.
Diesel generator - Choosing a diesel generator suitable for you depends on your energy needs. Diesel generators are popular because of they are easy to use. The diesel generator will often be kept under a shelter or in a garage or outdoors. You can carry them from one place to another. The operation and maintenance of fixed electric generators are cheaper but they are larger. Fixed: they require a license and a professional installation. Some jurisdictions require that the fuel tank be installed away with special connections. The work that it often requires is not worth the associated costs. You can buy two smaller diesel generators, reducing the total price, and have the same amount of energy.