The stator cooling water system, as a core component of the generator thermal management system, directly affects the operational safety and economy of the generator. As an important component in the system, the performance of the stator cooling water filter WFF-150-1 is directly related to the cleanliness of the cooling water, which in turn affects the heat exchange efficiency and equipment life of the generator. Yoyik will provide a detailed introduction today on how to scientifically evaluate the improvement effect of WFF-150-1 filter element on the performance of generator systems.

The WFF-150-1 filter element is designed specifically for the stator cooling water system of large steam turbine generators. It adopts a high-strength stainless steel porous support structure, paired with high-performance polypropylene fiber material, aiming to efficiently remove impurities in the cooling water, including small particles, suspended solids, and some microorganisms. Its design features high flow rate, low resistance, long service life, and excellent chemical stability, which can maintain stable filtration performance under extreme working conditions.

In order to accurately evaluate the performance improvement effect of WFF-150-1 filter element, a series of key performance indicators need to be set, including but not limited to:

• Cooling efficiency: By monitoring the temperature changes of the generator stator winding, the temperature rise difference before and after the use of the filter element is evaluated, indirectly reflecting the improvement of the cooling water system efficiency.
• Filtering efficiency: By analyzing the water sample, compare the changes in particle content in the water before and after the installation of the filter element, and verify its filtering effect.
• System pressure drop: Measure the pressure difference before and after the cooling water passes through the filter, evaluate the impact of the filter on the system flow resistance, and ideally maintain a lower pressure drop to reduce energy consumption.
• Maintenance cycle and cost: Record the frequency of filter replacement and maintenance costs, and analyze their impact on overall operating costs.
• Reliability and Safety: By analyzing the impact of filter usage on system stability through fault records, ensure that there are no downtime events caused by filter issues.

The comparative test data before and after using the filter element is also quite important:

Before installing the WFF-150-1 filter element, conduct a comprehensive system performance test and record the raw data of all evaluation indicators mentioned above. During the initial operation, closely monitor the system status to ensure a smooth transition. Repeat performance testing at different stages of filter operation (such as 1 month, 3 months, and 6 months after installation), compare baseline data, and evaluate the continuity and stability of filter performance. During this period, pay attention to recording any abnormal situations, such as sudden increase in pressure drop, abnormal temperature rise, etc., and analyze whether it is related to the filter element.

Afterwards, based on the collected data, statistical methods were used to analyze the improvement of system performance before and after filter replacement, and to clarify the specific benefits brought by the filter. Based on the evaluation results, determine whether improvements are needed, such as adjusting maintenance strategies, optimizing system design, etc., to further enhance overall performance.
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