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16 mva large electrical substation transformer Maintenance Considerations:

1.Prevent Overloading the 16 mva large electrical substation transformer: Prolonged overloading can lead to coil heating, gradually causing insulation aging. During operation, transformers experience copper and iron losses in their coils and core, which convert to heat, raising the temperature of the transformer's core and coils. If the temperature exceeds the allowed value for an extended period, the insulation may lose mechanical elasticity and age.

2.Check the Breather: Regularly refill oil if it is running low in the breather. Monitoring the upper oil temperature during 16 mva large electrical substation transformer operation alone does not guarantee safe operation. It is also essential to monitor the temperature difference between the upper oil and the cooling air, known as the temperature rise. The temperature difference between the transformer and the surrounding air is referred to as the transformer's temperature rise.

3.During normal operation, the electrical load on the 16 mva large electrical substation transformer should be maintained at around 75-90% of the 16 mva large electrical substation transformer's rated capacity.

4.Overloading can be classified into normal overloading and accidental overloading. Normal overloading occurs when users' electricity demand increases under normal power supply conditions. It raises the 16 mva large electrical substation transformer's temperature, accelerates insulation aging, and reduces its lifespan, so overloading is generally not allowed. In specific cases, 16 mva large electrical substation transformers can run in overload conditions for short periods, but in winter, it should not exceed 30% of the rated load, and in summer, it should not exceed 15% of the rated load. Furthermore, the 16 mva large electrical substation transformer's overload capacity should be determined based on the 16 mva large electrical substation transformer's temperature rise and manufacturer specifications. In the event of a power system or user substation accident, 16 mva large electrical substation transformers are allowed to run in overload conditions for short periods to ensure continuous power supply to critical equipment, which is referred to as accidental overloading. Accidental overloading can cause coil temperatures to exceed the allowed values, leading to quicker insulation aging than under normal conditions. However, the chances of accidental overloading are rare, and 16 mva large electrical substation transformers typically operate under-loaded. Therefore, short-term overloading can potentially damage the transformer's insulation. The duration and magnitude of accidental overloading should be determined according to manufacturer specifications.

16 mva large electrical substation transformer Technical Parameter:

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