When looking for the right generator for a construction site, you should consider which model will work best. Is an inverter generator or an AVR a better solution? What are the differences between the variants and what factors should be considered when choosing the right one? And what power generator will be necessary?
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What is the difference between a generator and a generator with an AVR regulator?
Both variants, both the inverter generator and the AVR are efficient and effective devices. The decision regarding a specific model should be made taking into account individual needs. Inverter generators use advanced technology. The device generates current with a very stable frequency and voltage. This effect is achieved thanks to double energy conversion. The mechanism consists in converting the AC voltage to DC current, and then it is converted to AC current, the parameters of which are stable.
Voltage stability is one of the most frequently mentioned advantages of this generator. That is why it is used to power sensitive equipment that could be damaged if large voltage surges occur. Other advantages include:
- quiet operation (compared to traditional units);
- smaller size — inverter models are more compact, making them easier to carry and transport;
- operating efficiency - modern models enable intelligent control, allowing you to adjust the engine operation to current needs, which in turn allows you to save fuel necessary for the operation of the device.
Despite a number of advantages, the inverter generator is a lower-power solution, so it will only work in selected situations.
An alternative is the AVR generator, or models with automatic voltage regulation. In these devices, the system stabilizes the input current voltage, but it does not work as precisely as the inverter model.
Is an AVR voltage regulator needed for a generator?
A voltage regulator, despite its many advantages, is not needed in every situation. The main criterion for choosing a model with or without a regulator is the type of tools and equipment that will be powered. In the case of power tools and measuring devices, voltage stability is key. Some of them can be very sensitive to even small changes, which would lead to their damage. Therefore, if the generator is used to power selected power tools, then a regulator is necessary.
When considering whether an AVR regulator is necessary, it is also important to consider the stability of the voltage produced by the device. In modern devices without a regulator, especially when the loads are not too large and the equipment being powered is not very sensitive, any fluctuations may not cause problems.
The presence of an AVR voltage regulator should also be considered in the context of the efficient operation of the generator itself. Voltage stabilization in many situations has a beneficial effect on the correct operation of the device and extends its life.
When choosing a generator, it is worth remembering that in models equipped with AVR, the risk of damage to both the generator and the equipment connected to it is lower. AVR will prove useful when the device will be working for a long time and its regular inspection is not possible (e.g. due to the specific nature of the activities carried out).
In situations where the generator is used for a short period of time and is responsible for powering less sensitive equipment, then an AVR may not be necessary.
Where is an AVR generator better and where is an inverter generator better?
Inverter models are a more expensive solution than classic generators. They are most often chosen when it is necessary to power electronic and measuring equipment that requires stable voltage and lower power to work. These are portable generators , ideal in places where the power of the generator is less important than the mobility of the device.
AVR generators are suitable for construction sites where it is necessary to power devices that require more power to operate properly. The AVR generator is chosen where devices that require high power are used. It is ideal for equipment such as concrete mixers, grinders, or pneumatic hammers.
The voltage stability provided by the AVR generator is sufficient for most construction equipment, especially for solutions resistant to potential current fluctuations. Compared to inverter models, they are slightly cheaper. During work where the power of the generator is of great importance, solutions such as a 5 kW or more generator will work well.
Depending on your needs, it is worth considering whether a single-phase generator, generating a voltage of around 230 V, or a three-phase model will be a better solution. The first one will work well, for example, as a generator for a home, providing electricity for less demanding equipment. On a construction site, it will not always fulfill its role. Many of the devices used need a higher voltage to function properly, provided by three-phase models, i.e. 400 V. They allow for effective power supply of most equipment used on a construction site. They are versatile and operate very efficiently.