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Diesel Generator sets
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Why do diesel generator sets need dummy load? what is the function?
May 17, 2022
As an emergency backup power supply after a power outage, the diesel generator set is in a standby state most of the time. Once the power outage or mains failure occurs, the standby diesel generator set plays a vital role. However, we often find out that there is a problem with the performance of the diesel generator set after the power failure occurs, which shows that many users do not pay enough attention to the knowledge of the AC dummy load for the detection and maintenance of the diesel generator set.
1. Why do we need AC dummy load for diesel generator set inspection and maintenance?
1. Detection of diesel generator sets
By detecting the AC dummy load for maintenance of the diesel generator set, the unbalanced load capacity of the diesel generator set can be detected to ensure the steady-state voltage regulation rate, steady-state frequency regulation rate, transient voltage regulation frequency, voltage recovery time, and transient frequency. Adjustment rate, frequency recovery time, continuous operation detection of diesel generator sets.
2. Detect UPS
Output voltage unbalance, output voltage regulation accuracy, overload capacity, dynamic voltage transient range, mains battery switching time, backup time, bypass inverter switching time.
2. Main functions of AC dummy load for inspection and maintenance of diesel generator set
1. Query function
Query diesel generator sets to retrieve abnormal records, and query diesel generator set detection data.
2. Online communication
The detector can be connected with the host computer through the RS232/RS485 interface.
3. Intelligent control and data processing functions
(1) Data dump: After the detection, the collected data can be dumped to the U disk;
(2) Online monitoring of the electrical parameters of the equipment under test;
(3) Function of data processing software: The data processing software is used together with the detector. The detection parameters can be set to analyze and process the electrical parameters, operating status and abnormal records detected by the detector; intelligent query, display and print charts.
(4) Automatic detection can be realized by setting parameters of the detection equipment.
4. Parallel function
Products of the same model can be connected in parallel. The device is equipped with an RS485 digital parallel interface, which is uniformly controlled by the host and records the detection process.
5. Shutdown protection function
The AC dummy load for diesel generator set inspection and maintenance is based on the general AC dummy load and load box, and an intelligent control system is added, which can perform protection settings such as phase loss, overvoltage and undervoltage, etc. Once the parameters detected by the equipment exceed the set parameters, the device will sound an alarm and automatically shut down for protection.
To sum up, in order to effectively avoid accidents, users should strengthen the daily inspection and maintenance of diesel generator sets, establish complete inspection and maintenance procedures for diesel generator sets, and regularly and regularly maintain diesel generator sets.
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