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With years of experience in designing and assembling complete sets of generator sets

What are the reasons for the tripping phenomenon of Cummins generator sets?

Time:2022-08-12

Cummins generator sets are widely used in various fields, but some customers always encounter tripping problems during the use of Cummins generator sets. What do you think are the reasons for the tripping of Cummins diesel generator sets? Below, Saiwei Energy will introduce in detail:

1. Check if there are obvious fault symbols on the generator indicator device. Sometimes, the excitation should be immediately cut off. If there are no abnormal symbols, the on duty personnel should adjust the generator voltage and frequency within the normal range when the machine and furnace are in good condition. Check if the high-voltage power supply of the unit is tripped, if the starting transformers are connected to each other, and if the power supply is normal.

2. Based on the accident phenomenon and relay protection action, determine the nature and scope of the fault, conduct a detailed external inspection of the generator transformer group and related equipment, and determine whether there are external fault characteristics.

3. If the busbar differential causes generator overcurrent protection, or if the substation fault causes generator overcurrent protection, check that the external of the generator is normal. After fault isolation, contact the network to adjust and connect to the power grid.

Before tripping, if there is strong excitation and current surge, it reflects the main protection (differential, heavy gas, etc.) of internal faults in the generator transformer group, and the power grid operates normally, it should be dealt with at this time.

5. If there is no strong excitation effect, there is no surge current before tripping, the power grid operates normally, the engine and furnace are normal, and the water, hydrogen, and oil systems of the generator and main transformer are normal, such as checking the generator and its circuits; Check the action protection, if all normal generators can start with zero voltage. If everything is normal during the boosting process, the generator can be connected to the power grid and then continue to identify the cause.

Guangzhou Saiwei Energy Technology Co., Ltd. is a comprehensive enterprise specializing in the design, production, and installation of generators. Guangzhou Saiwei has many years of experience in engineering design and installation services. For many years, Guangzhou Saiwei has been committed to providing every customer with comprehensive products and energy solutions, including technical consulting, whole machine and generator supply, operation training, etc., with leading technology and first-class quality. The product range covers land diesel generator sets, marine generator sets, high-voltage generator sets, etc., and is widely used in industries such as power, communication, iron towers, healthcare, financial systems, data centers, etc. Welcome to inquire: 13302262088


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