Generators suitable for Indonesia

Indonesia, the 4^th most populous country in the world has been a large market for Diesel Generators, Engines, and its relevant spare parts for the past decades as the country’s economy undergoes a massive development drive. Kubota equipment and spare parts played a vital role in providing the necessary electric energy in the most inaccessible location for development work to take place.

The right generators and engines can make all the difference in powering your equipment with the advancements in technology. But choosing the best generators for your needs can be a bit challenging with all the options out there, in all different specifications.

So we’ve taken a closer look at what you should look for when searching out the best generators and/or engines and also provide you with what our top choices are, so you can have a better idea when you’re sourcing for your equipment.

If you’re ready, let’s get started.

A generator is made up of 9 main components, each with a different function.

1) Engine– Is the source of the input mechanical energy to the generator. The size of the engine is directly proportional to the maximum power output the generator can supply. There are several factors that you need to keep in mind while assessing the engine of your generator. The manufacturer of the engine operation specifications and maintenance schedules.

2) Alternator– is known as the “Genhead”, making up a part of the generator that produces the electrical output from the mechanical input supplied by the engine. It contains an assembly of stationary and moving parts encased in a housing. The components work together to cause relative movement between the magnetic and electric fields, which in turn generates electricity.

3) Fuel System – Fuel tank usually has sufficient capacity to keep the generator operational for 6 – 8 hours on an average. In the case of small generator units, the fuel tank is a part of the generator’s skid base. For commercial applications, it may be necessary to erect and install an external fuel tank.

4) Voltage Regulator – Regulates the output voltage of the generator. The mechanism is described as each component regulates the output voltage of the generator. The mechanism is described below against each component that plays a part in the cyclical process of voltage regulation.

Voltage regulator: converts AC voltage to DC current.
Exciter windings: converts DC current to AC current.
Rotating rectifiers: converts AC current to DC current.
Rotor / Armature: converts DC current to AC voltage.

5) Cooling and Exhaust Systems – continuous usage of the generator causes its various components to get heated up. It is essential to have a cooling and ventilation system to withdraw heat produced.

Freshwater is sometimes used as a coolant for generators, but these are mostly limited to specific situations like small generators in city applications. Hydrogen can be used as a coolant for the stator windings of large generator units since it is more efficient at absorbing heat than other coolants. For common applications, both residential and industrial, a standard radiator and fan are mounted on the generator and works as the primary cooling system.

6) Lubrication System – Since the generator comprises moving parts in its engine, it requires lubrication to ensure durability and smooth operations for a long period of time. The generator’s engine is lubricated by oil stored in a pump. You should check the level of lubricating oil every 8 hours of generator operation. You should also check for any leakages of lubricant and change the lubricating oil every 500 hours of generator operation.

7) Battery Charger – The start function of a generator is battery-operated. The battery charger keeps the generator battery charged by supplying it with a precise ‘float’ voltage. If the float voltage is very low, the battery will remain undercharged. If the float voltage is very high, it will shorten the life of the battery. Battery chargers are usually made of stainless steel to prevent corrosion. They are also fully automatic and do not require any adjustments to be made or any settings to be changed. The DC output voltage of the battery charger is set at 2.33 volts per cell, which is the precise float voltage for lead-acid batteries.

8) Control Panel – This is the user interface of the generator and contains provisions for electrical outlets and controls.

9) Main Assembly / Frame – All generators, portable or stationary have customized housings that provide structural base support. The frame also allows the generator to be earthed for safety.

Here is a summary of the best Diesel Generators for use in Indonesia.

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