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Relationship between frequency and speed of diesel generator
Browse: Release Date: 2019-11-21
Relationship between frequency and speed of diesel generator
Everyone knows that frequency and speed are closely related, but what is the specific relationship? Diesel generator rental answers are as follows:
1. At present, there are two types of standard definitions of frequency in the world: 50HZ and 60HZ, which represent the change of + and-polarity of AC power per second.
Relationship between frequency and speed of diesel generator
2. Let's look at the formula for calculating the frequency: F = Number of magnetic pole pairs * speed / 60, 2 pairs of magnetic poles, and engine speed is 1500 rpm, so the frequency F = 2 * 1500/60 = 50 Hz; take For our domestic steam turbine generators, the number of magnetic pole pairs is 1 pair, and the speed of the generator set is 3000 rpm, so the frequency is F = 1 * 3000/60 = 50HZ diesel generator rental.
3. Having said that, we might as well extend it. If the customer needs a diesel generator set of 60HZ, how can we achieve it? The number of pairs of magnetic poles of a diesel generator set is the same. If you want to reach 60HZ, you can only change the speed, N = F * 60/2 = 60 * 60/2 = 1800 revolutions per minute. That is to say, if the customer needs to customize a 60HZ diesel generator set, we must make the generator set speed reach 1800 rpm.
4. After the number of magnetic pole pairs of a diesel generator set is determined, to ensure the frequency stability, it is necessary to ensure that the generator set runs the diesel generator rental at a constant speed.
Generator rental -Sichuan Chengtianyi Electromechanical Equipment Co., Ltd. is a company specializing in leasing and selling diesel generators and leasing and selling electromechanical equipment. The company has a wide range of generators and comprehensive services. .