6.15 Natural Gas

Natural gas is in a vapor state as supplied from the utility. This fuel system, therefore, consists of the same basic components and is used in the same general sequence as LP gas systems. When the heating content of the fuel falls below 1000 BTU, as it does with manufactured sewage and some natural gas fuels, the set will not produce rated power.

The primary regulator may or may not be furnished by the supplier. It is the responsibility of the supplier to insure that sufficient pressure is present at all times to operate the primary regulator. Installation, repair, and alteration to gas piping should be undertaken only by the supplier or with supplier’s permission. Piping should never be used to ground any electrical apparatus. The piping should be rigidly mounted but protected against damage from vibration. Where flexible connections are needed use only fuel line approved for gas fuels. See Figure 6-10.

6.16 Combination Gas-Gasoline

Most engines, especially the smaller models, will operate successfully on gas or gasoline without extensive modification or complicated mechanical changeover. With a combination gas-gasoline fuel system, changeover involves only a few simple steps.

These systems normally utilize a gaseous fuel as the primary fuel with gasoline for emergency operation. In some areas natural gas is available at reduced cost on an “interrupted service” basis. In some cases a by-product gas is the primary fuel, but it may at times be unavailable. Continued operation is assured under these conditions by switching over to gasoline. The changeover is done manually at the generator set.

Either a combination gas-gasoline carburetor or a gasoline carburetor with a gas adapter is used. Natural or LP gas can be used with these carburetor combinations.

With the exception of the carburetor and addition of a gas adapter, the combination gas-gasoline systems utilize the same basic components as those in the natural and LP gas systems. See Figure 6-11.

34 Section 6 Fuel Systems

TP-5700 7/93

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Kohler 20--2800 kW manual Natural Gas, Combination Gas-Gasoline
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20--2800 kW specifications

The Kohler 20-2800 kW generator series is renowned for its exceptional performance and reliability, making it a prime choice for various industrial and commercial applications. Designed for continuous and backup power generation, these generators are capable of providing robust energy solutions for facilities that demand high capacity and efficiency.

One of the standout features of the Kohler 20-2800 kW series is its advanced technology integration. Kohler utilizes the latest in digital control systems, ensuring precise monitoring and management of generator functions. The generator's control panel provides real-time data on power output, fuel consumption, and operating conditions, allowing operators to make informed decisions quickly.

In terms of fuel efficiency, the Kohler generators are engineered to minimize operational costs while maximizing performance. The series includes options for both diesel and natural gas, offering flexibility depending on user requirements and availability. The efficient fuel consumption not only supports cost savings but also aligns with environmental standards, reducing emissions during operation.

Durability and reliability are key characteristics of this generator series. Kohler buildings are constructed using high-quality materials and components that withstand harsh environmental conditions. System redundancy features and robust cooling systems ensure that the generators can operate continuously without failure, making them ideal for critical power needs.

The Kohler 20-2800 kW series also includes noise-reducing technology, making them suitable for installations in noise-sensitive environments. With options for acoustic enclosures, these generators comply with local noise regulations while delivering powerful performance.

Safety features are integrated into the generator design, including automatic shutdown systems for over-speed, low oil pressure, and high water temperature, ensuring that the equipment operates safely during emergencies.

The modular design of the Kohler 20-2800 kW allows for easy installation and maintenance. Access points for service and diagnostics are strategically placed for convenience, reducing downtime and improving efficiency in upkeep.

Overall, the Kohler 20-2800 kW generator series stands out as a dependable powerhouse, combining advanced technology, fuel efficiency, durability, and safety features to meet the demands of various industries. Whether for data centers, manufacturing facilities, or large commercial buildings, Kohler's commitment to quality and innovation makes these generators an exemplary choice for reliable power generation.
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