Basic Structural Parameters for Selecting Diesel Generator Sets 1

Today, we visited the factory's diesel generator sets, which gave us laypeople in the generator industry a preliminary understanding of these large and complex generator sets. The basic structure of a diesel generator consists of four major parts: the diesel engine, the generator, the control system, and the accessories. According to the company's professional technicians, the key factor affecting the price of a diesel generator set is closely related to its power. The power of a generator can be divided into standby power, regular power, and rated power. As laypeople, we know very little about generator sets, let alone power - related issues, which can be quite frustrating. Today, the editor of Dingbo Power will help you solve these problems.

Before choosing a diesel generator set, you should first clarify the relationships among the five types of power in the parameters of a diesel generator set, namely apparent power, active power, rated power, maximum power, and economic power. Many people often confuse their definitions. Here, we'll sort them out for you to facilitate understanding.

1.Apparent power: Its unit is KVA. In China, it is commonly used to express the capacity of transformers and UPSs.

2.Active power: It is 0.8 times the apparent power, with the unit of KW. In China, it is commonly used for power - generation equipment.

3.Rated power of a diesel generator set: It refers to the power at which the generator set can run continuously for 12 hours.

4.Maximum power: It is 1.1 times the rated power, but it can only be used for 1 hour within 12 hours.

5.Economic power: It is 0.75 times the rated power and is the output power at which the diesel generator set can run for an unlimited time. When operating at this power, fuel consumption is the lowest and the failure rate is the lowest.

When choosing a diesel generator set, you can first calculate the size of the load you need, and then select the generator set according to the load.

1.Differentiate between apparent power and active power: The relationship between them is 1KVA = 0.8KW. Imported generator sets usually use KVA as the power unit, while domestic electrical equipment generally uses KW. So, when calculating power, you should convert KVA to KW by taking 80% of the KVA value.

2.Determine the rated power and maximum power: You need to figure out the rated power and maximum power of the diesel generator set you want to choose.

3.Consider the starting mode of electrical appliances: Determining the power of the generator set is not simply adding up the powers of all electrical appliances. You also need to consider the starting mode of the electrical appliances. Generally, 0.8 times the output power of the diesel generator set is the actual output power. This can ensure that the generator set does not run over - loaded and also prevent it from running at a low - load for a long time, thus extending the service life of the diesel generator set. In addition, a diesel generator set is a continuous - operation power - generation device. If it runs continuously for more than 12 hours, its output power will be about 90% of the rated power. If the user needs to use it continuously for a long time, a regular - use generator set should be configured, taking into account the power reduction of the unit during long - term operation.

Dingbo Power was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to [email protected] we will pay highly attention on your question.