Master the Power: Generator Training Video

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Master the Power: Generator Training Video

Table of Contents

  1. Introduction
  2. How Does a Generator Work?
  3. Types of Generators
    1. Standby Generators
    2. Prime Generators
  4. Factors to Consider When Choosing a Generator
    1. Price and Reliability for Standby Generators
    2. Fuel Efficiency for Prime Generators
  5. Sizing the Generator Accurately
  6. Applications of Generators
  7. On-Site as a Generator Provider
  8. Cost Savings with Efficient Generator Solutions
  9. Case Studies: Cost Savings and Fuel Consumption
  10. Common Questions and Answers
    1. What are the main uses of a generator?
    2. How do I connect a portable building to a generator?
    3. What types of connections can be used?
    4. How are generators of different sizes connected?
    5. What are the outlet configurations on generators?
    6. How far can the outlets be from the generator?
    7. What should I do if I have any uncertainties about my inquiry?
    8. When should I involve a power specialist?
  11. Conclusion

How to Choose the Right Generator for Your Application

Generators are an essential source of power in various industries and locations, ranging from construction sites to mining operations. If you're in the market for a generator but unsure about the factors to consider and the right choice for your specific needs, this article will guide you through the selection process.


Generators play a crucial role in providing electricity when the main power supply is unavailable or unreliable. Understanding how generators work and the different types available is essential in choosing the most suitable generator for your application. Additionally, factors such as price, fuel efficiency, and accurate sizing play a significant role in optimizing the performance and cost-effectiveness of your generator.

How Does a Generator Work?

Contrary to popular belief, a generator is a simple machine that consists of an alternator, which is a series of copper windings housed in a casing. When the generator's engine rotates, it generates electric current. The engine, radiator, and alternator are mounted on a base frame, with an integral fuel tank for convenient operation. Generators can operate at a constant speed of either 3,000 RPM (for smaller generators under 10 kVA) or 1,500 RPM (for larger units over 10 kVA).

Types of Generators

Generators can be categorized into two basic types: standby generators and prime generators. Standby generators are used when mains power exists and the generator is only intended for emergency use. In such cases, the main considerations should be price and reliability. On the other hand, prime generators serve as the main source of power and run for extended periods, meaning fuel efficiency becomes the primary concern.

Factors to Consider When Choosing a Generator

Selecting the right generator involves considering various factors based on your specific requirements. For standby generators, price and reliability are crucial considerations. However, for prime generators, fuel efficiency plays a significant role in determining the overall cost savings. Even incremental improvements in fuel efficiency can result in substantial cost reductions, making it essential to choose an engine that aligns with your fuel-saving goals.

Sizing the Generator Accurately

Accurately sizing the generator is essential to ensure optimal performance and fuel efficiency. Oversized generators can lead to excessive fuel consumption and unnecessary expenses, while undersized generators may fail to meet your power demands. To determine the correct size, factors such as the power requirements of your equipment, the length of operation, and any potential future expansions or additions should be taken into account.

Applications of Generators

Generators find applications in various industries, including mining, oil and gas, retail, and events. They are used to provide a reliable source of power in remote areas, during power outages, or when the main power supply cannot meet the demand. The versatility of generators makes them an essential component in ensuring uninterrupted operations across different sectors.

On-Site as a Generator Provider

On-Site is a leading generator company in Australia, offering a wide range of generators for diverse applications. With thousands of generators operating nationwide, On-Site has built a reputation for providing cost-effective and reliable generator solutions. Their experienced technical and application personnel ensure that customers receive expert advice and tailored solutions to meet their specific power requirements.

Cost Savings with Efficient Generator Solutions

Efficiency is a key factor in achieving cost savings when it comes to generators. By accurately sizing the generator, selecting fuel-efficient engines, and utilizing smart controller technology, significant reductions in fuel consumption can be achieved. On-Site has successfully delivered cost savings to various projects, resulting in quantifiable benefits for their customers.

Case Studies: Cost Savings and Fuel Consumption

Two case studies highlight the cost savings and fuel consumption achieved by using efficient generator solutions. The first example involves a single generator powering a guardhouse or small portable building on a construction site. By accurately sizing the generator and using the most fuel-efficient engine on the market, fuel consumption can be reduced by up to 3 liters per hour, resulting in significant cost savings.

In another case study, On-Site installed a 9,000 kVA generator in Western Australia, which has been running 24 hours a day since 2009. Through precise sizing, smart controller technology, and the use of a fuel-efficient engine, On-Site saved over 680,000 liters of fuel per year for the mining project, demonstrating the substantial impact of efficient generator solutions.

Common Questions and Answers

Q: What are the main uses of a generator?

Generators are used in various industries and locations where a reliable source of electricity is required. Common applications include construction sites, mining operations, retail stores, events, and backup power during outages.

Q: How do I connect a portable building to a generator?

Connecting a portable building to a generator can be done through either a hardwired connection or a plug-in connection. A hardwired connection involves connecting the load of the building directly to the generator's bus bar. Plug-in connections utilize plugs and outlets for quick and convenient connection without the need for an electrician.

Q: How are generators of different sizes connected?

Generators of different sizes have varying outlet configurations. Smaller generators typically have - 15 amp single-phase plugs and a 32 amp three-phase plug. Larger generators may have - 15 amp single-phase plugs, a 32 amp three-phase plug, and a 63 amp distribution board outlet. The configuration depends on the power requirements and the number of outlets needed.

Q: How far can the outlets be from the generator?

It is generally recommended not to exceed 100 meters from the generator when connecting outlets. Longer distances can lead to power losses and reduced efficiency.

Q: What should I do if I have any uncertainties about my inquiry?

If you have any uncertainties or technical questions regarding your generator inquiry, feel free to reach out to On-Site's power specialists. They are trained to assist and provide expert advice to ensure you get the right generator solution for your project.

Q: When should I involve a power specialist?

It is advisable to involve a power specialist for inquiries that involve a rental term over three months, a generator over 100 kVA, a total rental value exceeding $20,000, or any aspect of the inquiry that you are unsure about. The power specialists are equipped to handle technical queries and guide you through the selection process.


Choosing the right generator for your application requires considering various factors such as type, fuel efficiency, and accurate sizing. By understanding your specific power requirements and seeking expert advice from providers like On-Site, you can optimize performance, achieve significant cost savings, and ensure uninterrupted power supply for your operations. Contact On-Site today for assistance with your generator needs.

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